As battery makers seek to push beyond the limitations of conventional lithium-ion (Li-ion) designs (see the September 26, 2012 LREVJ), they encounter new problems: In the case of lithium-air (Li-air) batteries, which promise over an order of magnitude higher energy densities, a key issue is the safe...
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News Commentary | March 23, 2021
A team of researchers led by MIT has reported developing semisolid alkali metal electrode architectures that can improve the electromechanical stability of solid‑state metal batteries (SSBs). The team demonstrated using an alloy that shows high critical current densities and a wetting interfacial ... Not part of subscription
Case Study | August 02, 2021
U.K‑based Oxis Energy has mainly focused on the development of solid‑state Li‑sulfur batteries. In 2020, when we interviewed the company, it claimed that it was able to achieve 400 Wh/kg in cells that provided 60 cycles and 220 Wh/kg in cells that could achieve 1,400 cycles. However, things have not... Not part of subscription
News Commentary | February 23, 2022
Li‑S (lithium‑sulfur) batteries are a promising next‑generation battery technology because they use more earth‑abundant materials, but the technology has faced steep barriers to commercialization due to poor cycle life. Dr. Vibha Kalra's group at Drexel University solves the capacity‑fade issue by ... Not part of subscription