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MANUFACTURING SYSTEM AND MANUFACTURING METHOD OF LITHIUM ION SECONDARY BATTERY, AND QUALITY MANAGEMENT SYSTEM AND QUALITY MANAGEMENT METHOD OF ELECTROLYTE OF LITHIUM ION SECONDARY BATTERY IN MANUFACTURING METHOD
MANUFACTURING SYSTEM AND MANUFACTURING METHOD OF LITHIUM ION SECONDARY BATTERY, AND QUALITY MANAGEMENT SYSTEM AND QUALITY MANAGEMENT METHOD OF ELECTROLYTE OF LITHIUM ION SECONDARY BATTERY IN MANUFACTURING METHOD
PROBLEM TO BE SOLVED: To provide a system capable of measuring the amount of moisture sequentially, in a method of manufacturing a lithium ion secondary battery.SOLUTION: A manufacturing system including a storage tank storing an electrolyte for manufacturing a lithium ion secondary battery provided with a nonaqueous electrolyte, liquid injection piping for feeding the electrolyte from the outlet of the storage tank, and a valve provided between a semi-finished product of a lithium ion secondary battery to which the electrolyte is injected and a liquid injection port, i.e., the outlet of the liquid injection piping, is further provided with a measurement system capable of measuring the amount of moisture in the electrolyte.
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