贝特瑞：硫化物固体电解质目前正在跟客户紧密合作开发中

Core Insights - BetterRay has been strategically investing in solid-state battery core materials for the past decade, focusing on both semi-solid and all-solid technologies [2] Group 1: Company Developments - BetterRay has developed a comprehensive material system for solid-state batteries, including high-nickel cathodes, silicon anodes, lithium metal anodes, and solid electrolytes [2] - The company is exploring three directions for solid electrolytes: oxides, polymers, and sulfides, with oxide and polymer solid electrolytes already in small-scale application in semi-solid batteries [2] - BetterRay is currently collaborating closely with customers to develop sulfide solid electrolytes, with research and development progress reported to be smooth and key technical indicators meeting customer requirements [2]