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Create DateJanuary 15, 2020
Last UpdatedMarch 31, 2022
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Battery fire: reducing risk by detecting shorts in the dry cell stage

On rare occasions, an electrical short can develop inside the cell after passing production tests due to burrs or particles on the positive electrode reaching the negative electrode after inflation occurs. If these cells that are susceptible to failure pass through to the end user, battery fire or explosion could be a catastrophic result. This paper describes how to mitigate these occurrences in the dry cell stage.

This paper is a must read for cell manufacturers who are concerned about the quality of their battery cells and reducing the risk of battery fire before the cell reaches the end user.

Lithium ion battery technology has played a big role in the advancement and user experience of electric vehicles and other consumer electronic products. As market competition increases, manufacturers are striving to reach higher power densities and throughput in production. While lithium ion technology has matured, risk of failure, fire and even explosion while in use is an ongoing concern for battery makers. In order to decrease the risk of failure in the field – and these failures can be catastrophic - the root cause must be identified and any defective cells must be filtered out before they reach the end user. So how do you identify the root cause which makes a cell susceptible to a greater risk of failure?