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METHODS FOR TESTING LITHIUM ION BATTERY AND EVALUATING SAFETY OF LITHIUM ION BATTERY
METHODS FOR TESTING LITHIUM ION BATTERY AND EVALUATING SAFETY OF LITHIUM ION BATTERY
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机译:锂离子电池的测试方法和评估锂离子电池的安全性
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摘要
A method for testing a lithium ion battery is disclosed. An under-test lithium ion battery including a cathode active material is provided. A reference voltage value is set according to the cathode active material. The under-test lithium ion battery is over charged, while an actual voltage change of the under-test lithium ion battery is tested during the over charging. A maximum voltage value is recorded before a first decrease in the actual voltage change of the under-test lithium ion battery during the over charging. The maximum voltage value is compared with the reference voltage value. A method for evaluating a safety of a lithium ion battery is also disclosed.
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