GAS ANALYSIS SYSTEMS FOR BATTERY CELLS
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
Jun 14, 2023
filing date -
Jun 14, 2023
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Abstract
A battery cell gas analysis system including a degas chamber, a vacuum pump in fluid communication with the degas chamber to remove air from the degas chamber, a venting port configured to selectively vent the degas chamber, a battery cell enclosed in the degas chamber, and a gas detector in fluid communication with the degas chamber. The gas detector is configured to detect, with gas species separation, at least one parameter of a gas released from the battery cell into the degas chamber, and the at least one parameter of the gas of the battery cell is indicative of a manufacturing quality of the battery cell. The system includes at least one valve coupled between the degas chamber and the gas detector to selectively control a flow of the gas of the battery cell to the gas detector.
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