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Non-aqueous electrolyte secondary battery and method of evaluating gas generation amount in battery using the battery.
Non-aqueous electrolyte secondary battery and method of evaluating gas generation amount in battery using the battery.
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机译:非水电解质二次电池以及使用该电池的电池中的气体产生量的评价方法。
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摘要
PROBLEM TO BE SOLVED: To provide: a nonaqueous electrolyte secondary battery arranged so that a gas generation amount in the battery can be evaluated efficiently with high accuracy even with a small amount of positive electrode active material; and a method for evaluation of an in-battery gas generation amount with such a battery.SOLUTION: A nonaqueous electrolyte secondary battery comprises: a positive electrode 3 and a negative electrode 6 which are opposed to each other through a separator 4; a nonaqueous electrolyte; a battery container which contains the positive electrode 3, the negative electrode 6 and the nonaqueous electrolyte; and a pressure sensor 11 serving as means capable of sensing a change in pressure in the battery container. A method for evaluation of an in-battery gas generation amount is arranged to use the battery.SELECTED DRAWING: Figure 1
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