Lithium-ion technology has long been the gold standard for a rechargeable energy storage system, but the lithium supply chain is not up to snuff here in the US and elsewhere around the world. That leaves room for alternative systems to edge into the market. The latest development on that score comes from the Canadian company Salient Energy, which is offering a new zinc-ion battery that relies on abundant materials in the US
https://cleantechnica.com/2022/10/19/new-zinc-energy-storage-system-beats-supply-chain-blues/