US Patent Issued to POSI ENERGY-SILICON POWER on May 13 for "Lithium-ion battery with thin crystalline anode and methods of making same" (New York Inventor)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,300,811, issued on May 13, was assigned to POSI ENERGY-SILICON POWER LLC (Pleasantville, N.Y.).

"Lithium-ion battery with thin crystalline anode and methods of making same" was invented by Devendra K. Sadana (Pleasantville, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods for minimizing or eliminating cracks in the crystalline porous-Si structure that can occur during the layer release process and/or during subsequent processing in a lithium-ion battery during charge and discharge cycles. The methods include: modifying the anodic etching process so that a freestanding film of Si with the anode structure is detached from a p-doped substrate; d...