This standard specifies the test method for the discharge platform capacity ratio and cycle life of lithium cobalt oxide, the anode material of lithium ion batteries. The standard is applicable to evaluate the performance of lithium cobalt oxide in practical applications, including its power retention ability and long-term use Stability during charging and discharging. Through these tests, the electrochemical performance of lithium cobalt oxide can be systematically understood, providing data support for the improvement and application of battery materials. The standard also quotes relevant normative documents to ensure the accuracy and conformity of the testing process.