Sughrue Mion, PLLC
Power storage device manufacturing method, manufacturing device, liquid injection device, and liquid injection method
A power storage device manufacturing method that seals a case housing an electrode assembly of a power storage device and injects an electrolyte into the case after sealing, the method includes a step accompanied by a pressure operation of increasing or reducing a pressure inside the case after sealing the case, and a process performed in a state of turning the inside of the case to the pressure higher or lower than an atmospheric pressure, and an internal space capacity of the case is measured based on a change with time of the pressure inside the case caused by the pressure operation inside the case.
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
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inventional additional inventional additional inventional inventional inventional
Hidaka Kyoichi Yohei Yusuke
Yamada Kinoshita Hamaguchi Yamaguchi