Application of JMP reliability analysis in lithium battery research and development_Guifu Wang

Speaker: Wang Guifu , Chief Reliability Engineer, Dongguan New Energy Technology Co., Ltd.

the speech topic: Application of reliability data analysis in lithium battery product development

Summary:

This report will elaborate on the application of data analysis in the research and development of lithium battery products, including its application in product design, development, production and use and maintenance. As a typical example of reliability data analysis, the quantitative reliability analysis of lithium battery products will be introduced: a product reliability assessment method based on failure physics. In practical applications, the failure state of a product can be encountered in the following situations. How to quantify and analyze it to guide the design: 1) The degree of product performance degradation; 2) Physical interpretation of performance degradation or failure; 2) Due to the limitations of fault diagnosis capabilities, Actual fault symptoms cannot be fully reproduced through analysis. JMP software will be used to illustrate the data collection, fault classification, fractional failure determination, life distribution parameter estimation, reliability quantification and product field risk prediction at each stage of the product, and demonstrate how to use JMP's reliability and The survival module fits, models, and predicts the performance degradation caused by the main failure modes of the lithium battery market. For example, we conducted reliability modeling and predicted failure rates for problems such as insufficient battery life caused by easy attenuation and bulging caused by battery cell inflation.