US Patent Issued to CPS Technology Holdings on July 15 for "Reversal device for Li-ion cell overcharge protection" (Wisconsin Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,444, issued on July 15, was assigned to CPS Technology Holdings LLC (New York).

"Reversal device for Li-ion cell overcharge protection" was invented by Xugang Zhang (Shorewood, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lithium-ion battery cell includes a casing, a first terminal pad having a first polarity and positioned proximate the casing, a second terminal pad having a second polarity opposite to the first polarity and positioned proximate the casing, and a reversal device formed into the casing and responsive to an increase in internal pressure within the casing so as to cause a short circuit between the first terminal pad and the s...