High-density, high-voltage, stable and cost-effective rechargeable batteries pair hydrogen gas with lithium metal as the anode

https://www.eurekalert.org/news-releases/1073607

"platinum-coated gas diffusion layer hydrogen cathode... 2825 Wh/kg energy density, 3V, 99.7% round-trip efficiency... also developed anode-free Li-H battery eliminating need for pre-installed lithium metal, instead depositing lithium from lithium salts in electrolyte during charging, retaining advantages of standard Li-H while enabling efficient lithium plating/ stripping with 98.5% Coulombic efficiency... lower-pressure H₂ storage... renewable energy grids, EVs, aerospace... cost-effective and scalable hydrogen-based batteries"

Related: Conjugated phthalocyanine framework-based artificial SEI for high-voltage lithium metal battery
https://www.eurekalert.org/news-releases/1075172