T/CIAPS 0041-2024 Li-ion battery delithiation testing method

Scope

Scope: This document specifies the three-electrode preparation method used in the lithium ion battery lithium dissolution test, the corresponding temperature and current for the lithium dissolution test, and the calculation method of the lithium dissolution SOC. This document is applicable to all types of lithium ion batteries. Other types of batteries, such as all-solid-state batteries and sodium ion batteries, can be used for reference. Main technical content: The preparation explanation of the "Lithium Ion Battery Lithium Dissolution Test Method" standard includes: scope, normative reference documents, terms and definitions, test methods, data recording and processing. The main content of each chapter is as follows: 2.2.1 Scope: This standard specifies the lithium ion battery lithium dissolution test method. This standard is applicable to lithium ion batteries. 2.2.2 Normative Reference Documents: It stipulates that this standard needs to refer to 3 current relevant national standards and 2 international standards in related technical elements. 2.2.3 Terms and Definitions: It stipulates relevant terms. 2.2.6 Test Methods: It stipulates the test methods required for lithium ion battery lithium dissolution, including test conditions, preparation of three-electrode battery cells, appearance inspection, polarity inspection, size and mass inspection, lithium plating, stability confirmation, test pretreatment, lithium dissolution SOC and lithium dissolution potential test, test procedures and experimental report requirements. 2.2.7 Data Recording and Processing: It stipulates the requirements for judging the lithium dissolution potential and calculating the lithium dissolution SOC. 2.2.8 Test Procedures: It stipulates the detection sequence of lithium dissolution test. 2.2.9 Test Reports: It stipulates the detection sequence of lithium dissolution test.

Development Information

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