Battery recycling and cathode production startup Redwood expands its Series E to $425M, sources say at a $6B valuation, adds Google as a new strategic investor TechCrunch 2026-01-28 Kirsten Korosec Google, Redwood Related Coverage Google Backs Tesla Co-Founder's Redwood at $6 Billion Valuation Bloomberg · Edward Ludlow Redwood Materials nabs $425 million for battery recycling and energy storage. The Verge · Andrew J. Hawkins Google joins Redwood's boosted Series E Axios · Katie Fehrenbacher Redwood Materials lands Google as a new investor Business Insider · Alistair Barr Google invests in Redwood Materials amid shift to storage developer Latitude Media · Maeve Allsup Google is backing a Tesla founder's push to power AI data centers Dow Jones Newswires · William Gavin