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Articles & Publications

Addison K.
Stark
Increasing the conversion efficiency of incident solar energy to electricity is a key goal in the solar R&D community. In this issue of Joule, a conceptual hybrid photovoltaic/thermal (PV/T) receiver design is reported by the research groups of Evelyn Wang and Gang Chen. High exergetic efficiency is achieved by absorbing below-bandgap and excessively high-energy photons as thermal energy, while allowing photons at the PV’s bandgap to pass through to the underlying cell.
 
ARPA-E Staff

ARPA-E’s impact assessment initiative documents the scientific and commercial successes achieved by a selection of ARPA-E-funded projects. The third installment of this series, “ARPA-E Impacts: A Sampling of Project Outcomes, Volume III” provides a glimpse into the diverse and sophisticated research portfolio of advanced energy technologies that will enable the United States to tackle our most pressing energy challenges.

Isik C.
Kizilyalli
,
Eric P.
Carlson
,
Daniel W.
Cunningham
,
Joseph S.
Manser
,
Yanzhi “Ann”
Xu
,
Alan Y.
Liu

Recent advances in wide band-gap (WBG) semiconductor materials, such as silicon carbide (SiC) and gallium nitride (GaN) are enabling a new generation of power semiconductor devices that far exceed the performance of silicon-based devices. Past ARPA-E programs (ADEPT, Solar ADEPT, and SWITCHES) have enabled innovations throughout the power electronics value chain, especially in the area of WBG semiconductors.

Addison K.
Stark

Additive manufacturing enables new approaches to chemical reactor design due to the ability to build complex geometries and topologies inaccessible to traditional manufacturing technologies.

Paul
Albertus
,
Susan
Babinec
,
Scott
Litzelman
,
Aron
Newman

In this Perspective, we focus on three tasks to guide and further advance the reversible lithium metal electrode. First, we summarize the state of research and commercial efforts in terms of four key performance parameters, and identify additional performance parameters of interest. 

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