Silicon wafer batteries promise lower cost, better stability

XNRGI  Powercell silicon wafer battery design (from company video)In an effort to make longer-lasting, safer, and more affordable batteries, Washington-based XNRGI aims to build lithium batteries on plentiful, off-the shelf silicon wafers. Last week, the company announced plans to bring new batteries based on its patented technology to market in 2020, in a new stationary storage battery. Most such batteries...