Displaying 101 - 150 of 1003

Status: ACTIVE
State: PA
Project Term: -
Program: DIFFERENTIATE

Carnegie Mellon University (CMU)

High-fidelity Accelerated Design of High-performance Electrochemical Systems

Carnegie Mellon University (CMU) and team will develop an integrated machine learning-accelerated design and optimization workflow that will reduce the time and cost required to develop functional energy materials in devices. The core innovation pairs machine learning based filtering of candidate materials with accelerated high-fidelity modeling to efficiently search a large design space for high-performance materials under realistic operating conditions. The team will create detailed designs for (1) catalyst systems for electrochemical reactions that convert electrical energy into carbon-…


Status: ACTIVE
State: PA
Project Term: -
Program: DIFFERENTIATE

Carnegie Mellon University (CMU)

Predicting Catalyst Surface Stability Under Reaction Conditions Using Deep Reinforcement Learning and Machine Learning Potentials

Carnegie Mellon University will use deep reinforcement learning and atomistic machine learning potentials to predict catalyst surface stability under reaction conditions. Current methods for determining the metastability of bifunctional and complex surfaces undergoing reaction are difficult and expensive. Carnegie Mellon’s technology will enable stability analysis in both traditional catalysts and new classes of materials, including those used in tribology (friction), corrosion-resistant alloys, additive manufacturing, and battery materials.


Status: ACTIVE
State: PA
Project Term: -
Program: HITEMMP

Carnegie Mellon University (CMU)

High Energy Density Modular Heat Exchangers through Design, Materials Processing, and Manufacturing Innovations

The Carnegie Mellon team will develop a modular radial heat exchanger that includes flow through pin arrays and counter-flow headers. The team will fabricate the heat exchanger via laser powder bed fusion additive manufacturing, with superalloys selected for high temperature and high pressure capability. Multiple approaches will be used to smooth the heat exchanger components’ internal passages to minimize pressure drop. Developing 3D metals printing technology for high temperature heat exchangers would radically remove constraints on heat exchanger design, making it a potentially disruptive…


Status: ACTIVE
State: PA
Project Term: -
Program: OPEN 2018

Carnegie Mellon University (CMU)

Additive Manufacturing of Spacer Grids for Nuclear Reactors

Carnegie Mellon will combine its expertise in additive manufacturing (AM) with Westinghouse’s knowhow in nuclear reactor component fabrication to develop an innovative process for AM of nuclear components. The team chose to redesign nuclear reactor spacer grids as a test case because they are a particularly difficult component to manufacture. The role of spacer grids is to provide mechanical support to nuclear fuel rods within a reactor and reduce vibration as well as cause mixing of the cooling fluid. The team will alter the traditional AM process, including using nonstandard powders to…


Status: ALUMNI
State: PA
Project Term: -
Program: Solar ADEPT

Carnegie Mellon University (CMU)

Magnet Technology for Power Converters

Carnegie Mellon University (CMU) is developing a new nanoscale magnetic material that will reduce the size, weight, and cost of utility-scale PV solar power conversion systems that connect directly to the grid. Power converters are required to turn the energy that solar power systems create into useable energy for the grid. The power conversion systems made with CMU's nanoscale magnetic material have the potential to be 150 times lighter and significantly smaller than conventional power conversion systems that produce similar amounts of power.


Status: ACTIVE
State: PA
Project Term: -
Program: Special Projects

Carnegie Mellon University (CMU)

Integrated Design of Chemical Admixture Systems For Ultradurable, Low Co2 Alternative Binder Chemistries Via Machine Learning

Develop a machine learning algorithm to guide the design of molecular additives that streamline the path for alternative binder chemistries concrete use in existing construction methods and equipment. The central goals are to increase the durability of US infrastructure by at least twofold and reduce the energy expended in producing this concrete by at least half.


Status: ALUMNI
State: OH
Project Term: -
Program: ADEPT

Case Western Reserve University

Titanium-Alloy Power Capacitor

There is a constant demand for better performing, more compact, lighter-weight, and lower-cost electronic devices. Unfortunately, the materials traditionally used to make components for electronic devices have reached their limits. Case Western Reserve University is developing capacitors made of new materials that could be used to produce the next generation of compact and efficient high-powered consumer electronics and electronic vehicles. A capacitor is an important component of an electronic device. It stores an electric charge and then discharges it into an electrical circuit in the…


Status: ALUMNI
State: OH
Project Term: -
Program: METALS

Case Western Reserve University

Segmented Cell for Electrowinning Titanium

Case Western Reserve University is developing a specialized electrochemical cell that produces titanium from titanium salts using a series of layered membranes. Conventional titanium production is expensive and inefficient due to the high temperatures and multiple process steps required. The Case Western concept is to reduce the energy required for titanium metal production using an electrochemical reactor with multiple, thin membranes. The multi-membrane concept would limit side reactions and use one third of the energy required by today’s production methods.


Status: ALUMNI
State: OH
Project Term: -
Program: OPEN 2012

Case Western Reserve University

All-Iron Flow Battery

Case Western Reserve University is developing a water-based, all-iron flow battery for grid-scale energy storage at low cost. Flow batteries store chemical energy in external tanks instead of within the battery container. Using iron provides a low-cost, safe solution for energy storage because iron is both abundant and non-toxic. This design could drastically improve the energy storage capacity of stationary batteries at 10-20% of today’s cost. Ultimately, this technology could help reduce the cost of stationary energy storage enough to facilitate the adoption and deployment of renewable…


Status: ALUMNI
State: OH
Project Term: -
Program: OPEN 2015

Case Western Reserve University

Virtual Building Energy Audits

Case Western Reserve University will develop a data analytics approach to building-efficiency diagnosis and prognostics. Their tool, called EDIFES (Energy Diagnostics Investigator for Efficiency Savings), will not require complex or expensive computational simulation, physical audits, or building automation systems. Instead, the tool will map a building's energy signature through a rigorous analysis of multiple datastreams. Combining knowledge of specific climatic, weather, solar insolation, and utility meter data through data assembly, the team will analyze these time-series datastreams…


Status: ALUMNI
State: OH
Project Term: -
Program: REACT

Case Western Reserve University

Iron-Nitride Alloy Magnets

Case Western Reserve University is developing a highly magnetic iron-nitride alloy to use in the magnets that power electric motors found in EVs and renewable power generators. This would reduce the overall price of the motor by eliminating the expensive imported rare earth minerals typically found in today's best commercial magnets. The iron-nitride powder is sourced from abundant and inexpensive materials found in the U.S. The ultimate goal of this project is to demonstrate this new magnet system, which contains no rare earths, in a prototype electric motor. This could significantly…


Status: ACTIVE
State: MA
Project Term: -
Program: PERFORM

Castalune

Predicting Events to Enable Robust Renewable Grids

Castalune will develop a software system that identifies and monitors complex leading indicators of key grid events associated with individual assets and regional grids, such as price volatility events, curtailment, and reliability failure. The team will produce new risk metrics and evaluation methodologies that inform generator dispatch within electric grids subject to increasingly dynamic underlying drivers of demand (e.g., electric vehicles, on-site generation, or storage) and supply (e.g., weather-driven renewable generation, storage). The project will garner early-stage engagement from…


Status: ALUMNI
State: CA
Project Term: -
Program: MARINER

Catalina Sea Ranch

Design of Large Scale Macroalgae Systems

The Catalina Sea Ranch team will lead a MARINER Category 1 project to design an advanced giant kelp cultivation system for deployment on open ocean sites to assess their ability to produce economical and sustainable biomass for a future biofuels industry. The team plans to develop solutions to the main challenges facing macroalgae cultivation: scalability of seeding, cultivation, and harvest; survivability of the offshore installations; energy use and ecosystem impact; predictability of yield and quality of harvested biomass; and cost effectiveness. The effort will begin by…


Status: ACTIVE
State: TX
Project Term: -
Program: Special Projects

Celadyne Technologies

Nanoionics Enabled Proton Conducting Ionomers

Celadyne Technologies will develop an innovative elevated temperature proton conducting ionomer material. The team improves upon existing technology relying on acid-base chemistry in favor of an approach driven by defect chemistry and interfacial nanoionic interactions. The technology could improve efficiency in fuel cells and electrolyzers and reduce CO2 emissions.


Status: ALUMNI
State: VA
Project Term: -
Program: ADEPT

Center for Power Electronics Systems (CPES) at Virginia Tech

Integrating High-Density Capacitors to Create Efficient Power Converter

The Center for Power Electronics Systems (CPES) at Virginia Tech is developing an extremely efficient power converter that could be used in power adapters for small, light-weight laptops and other types of mobile electronic devices. Power adapters convert electrical energy into usable power for an electronic device, and they currently waste a lot of energy when they are plugged into an outlet to power up. CPES is integrating high-density capacitors, new magnetic materials, high-frequency integrated circuits, and a constant-flux transformer to create its efficient power converter. The high-…


Status: ALUMNI
State: VA
Project Term: -
Program: ADEPT

Center for Power Electronics Systems (CPES) at Virginia Tech

Voltage Regulator Chip

The Center for Power Electronics Systems (CPES) at Virginia Tech is finding ways to save real estate on a computer's motherboard that could be used for other critical functions. Every computer processor today contains a voltage regulator that automatically maintains a constant level of electricity entering the device. These regulators contain bulky components and take up about 30% of a computer's motherboard. CPES is developing a voltage regulator that uses semiconductors made of gallium nitride on silicon (GaN-on-Si) and high-frequency soft magnetic material. These materials are…


Status: ALUMNI
State: UT
Project Term: -
Program: OPEN 2012

Ceramatec

Mid-Temperature Fuel Cells for Vehicles

Ceramatec is developing a solid-state fuel cell that operates in an ‘intermediate’ temperature range that could overcome persistent challenges faced by both high temperature and low temperature fuel cells. The advantages compared to higher temperature fuel cells are less expensive seals and interconnects, as well as longer lifetime. The advantages compared to low temperature fuel cells are reduced platinum requirements and the ability to run on fuels other than hydrogen, such as natural gas or methanol. Ceramatec’s design would use a new electrolyte material to transport protons within the…


Status: ALUMNI
State: UT
Project Term: -
Program: OPEN 2012

Ceramatec

A One-Step, Gas-to-Liquid Chemical Converter

Ceramatec is developing a small-scale reactor to convert natural gas into benzene—a feedstock for industrial chemicals or liquid fuels. Natural gas as a byproduct is highly abundant, readily available, and inexpensive. Ceramatec’s reactor will use a one-step chemical conversion process to convert natural gas into benzene. This one-step process is highly efficient and prevents the build-up of solid residue that can occur when gas is processed. The benzene that is produced can be used as a starting material for nylons, polycarbonates, polystyrene, epoxy resins, and as a component of gasoline.


Status: ALUMNI
State: UT
Project Term: -
Program: RANGE

Ceramatec

Advanced Lithium-Sulfur Batteries

Ceramatec is developing new batteries that make use of a non-porous, high ion conductivity ceramic membrane employing a lithium-sulfur (Li-S) battery chemistry. Porous separators found in today’s batteries contain liquids that negatively impact cycle life. To address this, Ceramatec’s battery includes a ceramic membrane to help to hold charge while not in use. This new design would also provide load bearing capability, improved mechanical integrity, and extend battery life. Ceramatec will build and demonstrate its innovative, low-cost, non-porous membrane in a prototype Li-S battery with a…


Status: ALUMNI
State: CA
Project Term: -
Program: OPEN 2009

Ceres

Improving Biomass Yields

Ceres is developing bigger and better grasses for use in biofuels. The bigger the grass yield, the more biomass, and more biomass means more biofuel per acre. Using biotechnology, Ceres is developing grasses that will grow bigger with less fertilizer than current grass varieties. Hardier, higher-yielding grass also requires less land to grow and can be planted in areas where other crops can't grow instead of in prime agricultural land. Ceres is conducting multi-year trials in Arizona, Texas, Tennessee, and Georgia which have already resulted in grass yields with as much as 50% more biomass…


Status: ACTIVE
State: MA
Project Term: -
Program: BETHE

CFS

Pulsed High Temperature Superconducting Central Solenoid For Revolutionizing Tokamaks

The tokamak is the most scientifically mature fusion energy concept, which confines hot plasma in the shape of a torus (similar to a donut). This plasma is controlled in part by a central solenoid electromagnet. Using high-temperature superconductors (HTS) and an innovative design, Commonwealth Fusion Systems (CFS) and its partners aim to build a central solenoid capable of quickly changing (“fast ramping”) its current and magnetic field, while also being robust enough to survive many thousands of cycles. This new HTS magnet will enable a new mode of tokamak operation, in which power output…


Status: ACTIVE
State: UT
Project Term: -
Program: REFUEL

Chemtronergy

Cost-effective, Intermediate-temperature Fuel Cell for Carbon-free Power Generation

Chemtronergy will develop an advanced solid oxide fuel cell (SOFC) system to electrochemically convert ammonia into electricity. Conventional SOFC systems are manufactured using ceramic fabrication techniques that are time-consuming, energy-intensive, and have high material costs. SOFCs also typically operate at 700-900°C to chemically activate the fuel feedstock and ensure that it is sufficiently cracked or reformed for electrochemical use. This high temperature, however, imposes harsh operating conditions and stresses on the materials, which further increases costs. To address these…


Status: ALUMNI
State: UT
Project Term: -
Program: REFUEL

Chemtronergy

Solid Oxide Fuel Cell System

Chemtronergy will develop an advanced solid oxide fuel cell (SOFC) system to electrochemically convert ammonia into electricity. Conventional SOFC systems are manufactured using ceramic fabrication techniques that are time-consuming, energy-intensive, and have high material costs. SOFCs also typically operate at 700-900°C to chemically activate the fuel feedstock and ensure that it is sufficiently cracked or reformed for electrochemical use. This high temperature, however, imposes harsh operating conditions and stresses on the materials, which further increases costs. To address these…


Status: CANCELLED
State: IL
Project Term: -
Program: PETRO

Chromatin

Biofuels from Sorghum

Chromatin will engineer sweet sorghum—a plant that naturally produces large quantities of sugar and requires little water—to accumulate the fuel precursor farnesene, a molecule that can be blended into diesel fuel. Chromatin's proprietary technology enables the introduction of a completely novel biosynthetic process into the plant to produce farnesene, enabling sorghum to accumulate up to 20% of its weight as fuel. Chromatin will also introduce a trait to improve biomass yields in sorghum. The farnesene will accumulate in the sorghum plants—similar to the way in which it currently stores…


Status: ALUMNI
State: CA
Project Term: -
Program: IDEAS

Citrine Informatics

Machine Learning for Solid Ion Conductors

The Citrine Informatics team is demonstrating a proof-of-concept for a system that would use experimental work to intelligently guide the investigation of new solid ionic conductor materials. If successful, the project will create a new approach to material discovery generally and new direction for developing promising ionic conductors specifically. The project will aggregate data (both quantitative and meta-data related to experimental conditions) relevant to ionic conductors from the published literature and build advanced, machine learning models for prediction based upon the resulting…


Status: ALUMNI
State: NY
Project Term: -
Program: ADEPT

City University of New York (CUNY) Energy Institute

Metacapacitors for LED Lighting

City University of New York (CUNY) Energy Institute is developing less expensive, more efficient, smaller, and longer-lasting power converters for energy-efficient LED lights. LEDs produce light more efficiently than incandescent lights and last significantly longer than compact fluorescent bulbs, but they require more sophisticated power converter technology, which increases their cost. LEDs need more sophisticated converters because they require a different type of power (low-voltage direct current, or DC) than what’s generally supplied by power outlets. CUNY Energy Institute is developing…


Status: ALUMNI
State: NY
Project Term: -
Program: GRIDS

City University of New York (CUNY) Energy Institute

Flow-Assisted Alkaline Battery

City University of New York (CUNY) Energy Institute is working to tame dendrite formation and to enhance the lifetime of Manganese in order to create a long-lasting, fully rechargeable battery for grid-scale energy storage. Traditional consumer-grade disposable batteries are made of Zinc and Manganese, two inexpensive, abundant, and non-toxic metals, but these disposable batteries can only be used once. If they are recharged, the Zinc in the battery develops filaments called dendrites that grow haphazardly and disrupt battery performance, while the Manganese quickly loses its ability to store…


Status: ALUMNI
State: SC
Project Term: -
Program: TERRA

Clemson University

Breeding High Yielding Bioenergy Sorghum

Clemson University is partnering with Carnegie Mellon University (CMU), the Donald Danforth Plant Science Center, and Near Earth Autonomy to develop and operate an advanced plant phenotyping system, incorporating modeling and rapid prediction of plant performance to drive improved yield and compositional gains for energy sorghum. The team will plant and phenotype one of the largest sets of plant types in the TERRA program. Researchers will design and build two phenotyping platforms – an aerial sensor platform and a ground-based platform. The aerial platform, developed by Near Earth Autonomy…


Status: ALUMNI
State: CA
Project Term: -
Program: IMPACCT

Codexis

Better Enzymes for Carbon Capture

Codexis is developing new and efficient forms of enzymes known as carbonic anhydrases to absorb CO2 more rapidly and under challenging conditions found in the gas exhaust of coal-fired power plants. Carbonic anhydrases are common and are among the fastest enzymes, but they are not robust enough to withstand the harsh environment found in the power plant exhaust steams. In this project, Codexis will be using proprietary technology to improve the enzymes' ability to withstand high temperatures and large swings in chemical composition. The project aims to develop a carbon-capture process that…


Status: ALUMNI
State: CA
Project Term: -
Program: FOCUS

Cogenra Solar

Hybrid Solar Converter with Light-Filtering Mirror

Cogenra Solar is developing a hybrid solar converter with a specialized light-filtering mirror that splits sunlight by wavelength, allowing part of the sunlight spectrum to be converted directly to electricity with photovoltaics (PV), while the rest is captured and stored as heat. By integrating a light-filtering mirror that passes the visible part of the spectrum to a PV cell, the system captures and converts as much as possible of the photons into high-value electricity and concentrates the remaining light onto a thermal fluid, which can be stored and be used as needed. Cogenra’s hybrid…


Status: ALUMNI
State: CO
Project Term: -
Program: IDEAS

Colorado School of Mines

Thermoelectric Materials Discovery

The Colorado School of Mines will develop a new method for the high-throughput discovery and screening of thermoelectric materials. The objective is to develop a new class of thermoelectric materials that can enable heat-to-electricity efficiencies greater than 20%. Aerosol spray deposition will be used to collect particles on the solid surfaces, allowing high throughput synthesis with finely tuned composition control. To achieve the thermoelectric performance desired, a tight feedback loop between synthesis, characterization, and theory will be employed to actively guide the design of…


Status: ALUMNI
State: CO
Project Term: -
Program: IDEAS

Colorado School of Mines

Ammonia Synthesis Membrane Reactor

The Colorado School of Mines will develop a membrane reactor concept to synthesize ammonia at ambient pressure. In traditional ammonia production processes, nitrogen (N2) and hydrogen (H2) compete for identical catalyst sites, and the presence of each inhibits the other, with the overall rate reflecting a compromise. The team proposes decoupling and independently controlling the N2 and H2 dissociation by dedicating one side of the composite membrane to each. In this way, the catalysts may be individually optimized. Highly effective catalysts have been previously demonstrated for H2…


Status: ACTIVE
State: CO
Project Term: -
Program: INTEGRATE

Colorado School of Mines

High Efficiency, Low Cost & Robust Hybrid SOFC/IC Engine Power Generator

The Colorado School of Mines will develop a hybrid power generation system that leverages a pressurized, intermediate-temperature solid oxide fuel cell (SOFC) stack and an advanced low-energy-content fuel internal combustion (IC) engine. The custom-designed, turbocharged IC engine will use the exhaust from the anode side of the SOFC as fuel and directly drive a specialized compressor-expander that supplies pressurized air to the fuel cell. High capital costs and poor durability have presented significant barriers to the widespread commercial adoption of SOFC technology. In part, these…


Status: CANCELLED
State: CO
Project Term: -
Program: IONICS

Colorado School of Mines

Hybrid Polyoxometalate Membranes

The Colorado School of Mines will develop a new membrane for redox flow battery systems based on novel, low-cost materials. The membrane is a hybrid polymer that includes heteropoly acid molecules and a special purpose fluorocarbon-based synthetic rubber called a fluoroelastomer. The team will enhance the membrane's selectivity by refining the polymer structure, employing crosslinking techniques, and also through doping the polymer with cesium. The fluoroelastmer is commercially available, thereby contributing to a superior performance-to-cost ratio for the membrane. Flow battery experts…


Status: ACTIVE
State: CO
Project Term: -
Program: OPEN 2018

Colorado School of Mines

Efficient Hydrogen and Ammonia Production via Process Intensification and Integration

The Colorado School of Mines will develop a more efficient method for both the conversion of hydrogen and nitrogen to ammonia and the generation of high purity hydrogen from ammonia for fuel cell fueling stations. Composed of 17.6% hydrogen by mass, ammonia also has potential as a hydrogen carrier and carbon-free fuel. The team will develop a new technology to generate fuel cell-quality hydrogen from ammonia using a membrane based reactor. In addition, similar catalytic membrane reactor technology will be developed for synthesis of ammonia from nitrogen and hydrogen at reduced pressure and…


Status: ACTIVE
State: CO
Project Term: -
Program: REBELS

Colorado School of Mines

Fuel-Flexible Protonic Ceramic Fuel Cell Stack

The Colorado School of Mines is developing a mixed proton and oxygen ion conducting electrolyte that will allow a fuel cell to operate at temperatures less than 500°C. By using a proton and oxygen ion electrolyte, the fuel cell stack is able to reduce coking – which clogs anodes with carbon deposits – and enhance the process of turning hydrocarbon fuels into hydrogen. Today’s ceramic fuel cells are based on oxygen-ion conducting electrolytes and operate at high temperatures. Mines’ advanced mixed proton and oxygen-ion conducting fuel cells will operate on lower temperatures, and have the…


Status: ALUMNI
State: CO
Project Term: -
Program: ARID

Colorado State University (CSU)

Ultra-Efficient Turbo-Compression Cooling

Colorado State University (CSU) and its partners, Modine and Barber-Nichols, will develop a thermally powered supplemental cooling system for thermoelectric power plants that will enable dry cooling. The technology features a transformational turbo-compressor and low-cost, high-performance heat exchangers that are currently mass produced for the HVAC industry. To operate, low-grade waste heat from the power plant combustion exhaust gases, or flue gas, is captured and used to power a highly efficient turbo-compressor system. The compressor pressurizes vapor in a refrigeration cycle to remove…


Status: ALUMNI
State: CO
Project Term: -
Program: MONITOR

Colorado State University (CSU)

MONITOR Field Test Site

The team, led by Colorado State University (CSU), will develop a test site facility near Fort Collins, CO where ARPA-E can evaluate the methane sensing technologies of the MONITOR project teams, as required by the MONITOR FOA. The CSU team will design, construct, and operate a natural gas testing facility that can determine whether MONITOR technologies have met or exceeded the technical performance targets set forth by the MONITOR program. The test facility will be designed to realistically mimic the layout of a broad range of natural gas facilities and equipment. The test facility will…


Status: ALUMNI
State: CO
Project Term: -
Program: OPEN 2012

Colorado State University (CSU)

More Options for Bioenergy Crops

Colorado State University (CSU) is developing technology to rapidly introduce novel traits into crops that currently cannot be readily engineered. Presently, a limited number of crops can be engineered, and the processes are not standardized – restricting the agricultural sources for engineered biofuel production. More—and more diverse—biofuel crops could substantially improve the efficiency, time scale, and geographic range of biofuel production. CSU’s approach would enable simple and efficient engineering of a broad range of bioenergy crops using synthetic biology tools to standardize their…


Status: ACTIVE
State: CO
Project Term: -
Program: OPEN 2015

Colorado State University (CSU)

Paintable Heat-Reflective Coatings for Low-Cost Energy Efficient Windows

Colorado State University (CSU) will work with BASF and Cypris Materials to accelerate the technology first developed under a 2015 ARPA‐E OPEN award. They will transition the developed coating into an industrially scalable, sprayable process to retrofit energy inefficient windows with a heat-reflective, visibly transparent film. Under the original award, nanostructured coatings were shown to greatly improve the efficiency of single‐pane windows by lowering solar heat gain. The current team aims to further improve the coating technology and decrease installation costs to 1/10 of current high‐…


Status: ALUMNI
State: CO
Project Term: -
Program: OPEN 2015

Colorado State University (CSU)

Heat-Reflective Window Coating

Colorado State University (CSU) and its partners are developing an inexpensive, polymer-based, energy-saving material that can be applied to windows as a retrofit. The team will develop a coating consisting of polymers that can rapidly self-assemble into orderly layers that will reflect infrared wavelengths but pass visible light. As such, the coating will help reduce building cooling requirements and energy use without darkening the room. The polymers can be applied as a paint, meaning that deployment could be faster, less expensive, and more widespread because homeowners can apply the…


Status: ACTIVE
State: CO
Project Term: -
Program: ROOTS

Colorado State University (CSU)

Root Genetics for Drought and Carbon Adaptation

Colorado State University (CSU) will develop a high-throughput ground-based robotic platform that will characterize a plant’s root system and the surrounding soil chemistry to better understand how plants cycle carbon and nitrogen in soil. CSU’s robotic platform will use a suite of sensor technologies to investigate crop genetic-environment interaction and generate data to improve models of chemical cycling of soil carbon and nitrogen in agricultural environments. The platform will collect information on root structure and depth, and deploy a novel spectroscopic technology to quantify levels…


Status: ALUMNI
State: NY
Project Term: -
Program: Electrofuels

Columbia University

Biofuels from Bacteria, Electricity, and CO2

Columbia University is using carbon dioxide (CO2) from ambient air, ammonia—an abundant and affordable chemical—and a bacteria called N. europaea to produce liquid fuel. The Columbia University team is feeding the ammonia and CO2 into an engineered tank where the bacteria live. The bacteria capture the energy from ammonia and then use that energy to convert CO2 into a liquid fuel. When the bacteria use up all the ammonia, renewable electricity can regenerate it and pump it back into the system—creating a continuous fuel-creation cycle. In addition, Columbia University is also working with the…


Status: ACTIVE
State: NY
Project Term: -
Program: ENLITENED

Columbia University

Integrated Photonic Networks

Columbia University will develop a new datacenter architecture co-designed with state-of-the-art silicon photonic technologies to reduce system-wide energy consumption. The team’s approach will improve data movement between processor/memory and will optimize resource allocation throughout the network to minimize idle times and wasted energy. Data transfer in datacenters occurs over a series of interconnects that link different server racks of the datacenter together. Networks in modern mega-scale datacenters are becoming increasingly complicated. One by-product of this complexity is that on…


Status: ALUMNI
State: NY
Project Term: -
Program: IDEAS

Columbia University

Integrated Power Adapter

The Columbia University team is developing a proof-of-concept solid-state solution to generate electricity from high-temperature waste heat (~900 K) using thermal radiation between a hot object placed in extreme proximity (<100 nm) to a cooler photovoltaic (PV) cell. In this geometry, thermal radiation can be engineered such that its spectrum is quasi-monochromatic and aligned with the PV cell’s bandgap frequency. In this case, it is estimated that electricity can be generated with a conversion efficiency beyond 25% and with a power density that could greatly outperform currently available…


Status: ALUMNI
State: NY
Project Term: -
Program: IDEAS

Columbia University

Computing Through Silicon Photonics

Columbia University will develop a new platform for generating multiple simultaneous optical channels (wavelengths) with low power dissipation, thereby enabling optical interconnects for low power computing. Optical interconnect links communicate using optical fibers that carry light. Wavelength-division multiplexing (WDM) is a technology that combines a number of optical carrier signals on a single optical fiber by using different wavelengths. This technique enables bidirectional communications over strands of fiber, dramatically increasing capacity. Low-power lasers generate the wavelengths…


Status: ALUMNI
State: NY
Project Term: -
Program: IDEAS

Columbia University

Co-Generation of Fuels During Copper Bioleaching

The innovation lies in the exploitation of novel natural energy source: reduced metal deposits. The energy released during oxidation of these metals could be used to reduce CO2 into fuels and chemicals reducing petroleum usage.This proposed project fits within the Chemical-Chemical Area of Interest, as it involves the coupling of the oxidation of reduced minerals in the Earth’s crust to the production of reduced carbon chemicals for fuel utilization. This addresses both of Mission Areas of ARPA-E as the co-generation of fuels during copper bioleaching will potentially reduce the import of…


Status: ALUMNI
State: NY
Project Term: -
Program: IMPACCT

Columbia University

Chemically Accelerated Carbon Mineralization

Columbia University is developing a process to pull CO2 out of the exhaust gas of coal-fired power plants and turn it into a solid that can be easily and safely transported, stored above ground, or integrated into value-added products (e.g. paper filler, plastic filler, construction materials, etc.). In nature, the reaction of CO2 with various minerals over long periods of time will yield a solid carbonate—this process is known as carbon mineralization. The use of carbon mineralization as a CO2 capture and storage method is limited by the speeds at which these minerals can be dissolved and…


Status: ALUMNI
State: NY
Project Term: -
Program: SWITCHES

Columbia University

Spalling GaN Transistors

Columbia University will create high-performance, low-cost, vertical gallium nitride (GaN) devices using a technique called spalling, which involves exfoliating a working circuit and transferring it to another material. Columbia and its project partners will spall and bond entire transistors from high-performance GaN wafers to lower cost silicon substrates. Substrates are thin wafers of semiconducting material needed to power devices like transistors and integrated circuits. GaN substrates operate much more efficiently than silicon substrates, particularly at high voltages, but the high cost…


Status: ACTIVE
State: NY
Project Term: -
Program: PERFORM

Columbia University

Risk-Aware Power System Control, Dispatch and Market Incentives

The power industry sees risk as statistically independent of today's operational practices and regulations. The challenge is convincing the industry to proactively and explicitly study, quantify, price, and incorporate risk into dispatch and response algorithms. Columbia University will develop a risk dashboard to address this challenge that will enable independent system operators (ISOs) of the electrical grid to compute and analyze engineering and financial risks occurring on operational time scales ranging from several minutes to days. This dashboard will facilitate efficient and…