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System and method for leak testing a battery cell

Grant US12586822B2 Kind: B2 Mar 24, 2026

Assignee

Marposs

Inventors

Elie Cohen, Giuseppe Vollaro

Abstract

Leak testing system (100) and method for leak testing a finished battery cell, comprising a vacuum chamber (4), a vacuum pump (6), a detecting and measuring system (1) to detect gases and/or vapors escaping from the cell, the gases and/or vapors deriving from parts and/or substances inside in the cell, and a capillary element (2) which connects the detecting and measuring system to the vacuum chamber and through which the gases and/or vapors leaking from the cell flow. The system further comprises heating devices adapted to heat at least one of the components of system, thereby making the system substantially memory-free.

CPC Classifications

H01M 10/4228 H01M 10/00-667 H01M 6/00-52 G01N 1/00-44 G01N 2001/00-4094 G01M 3/00-40

Filing Date

2021-07-13

Application No.

18015566

Claims

20