Solidion files multiple patent applications on a new process to produce graphene ball-hosted silicon anode materials DALLAS, Feb. 11, 2025 /PRNewswire/ -- Solidion Technology, Inc. (NASDAQ: STI), an advanced battery technology solutions provider, today announced that its technical team has filed several US patent applications on an innovative process for cost-effective production of graphene-hosted silicon as a high-capacity anode material. Industry-leading EV OEMs have concluded that silicon anode is requi ...