Study on shrink fit application for rivet of prismatic battery lid
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Huge demands of prismatic batteries are lied on its safety characteristics which do not allow any substances leakage including electrolyte coming out from inside of the battery cell. Most of the battery leaks are caused by welding defect and weak riveting connection at the terminal area of the battery lid. The purpose of this study is to investigate the shrinkage tendency of aluminum which are most common metals applied to battery lid according to temperature, and to compare the riveting strength and leakage during the caulking process after heat treatment of rivet component with the rivet without heat treatment.
Abstract
Huge demands of prismatic batteries are lied on its safety characteristics which do not allow any substances leakage including electrolyte coming out from inside of the battery cell. Most of the battery leaks are caused by welding defect and weak riveting connection at the terminal area of the battery lid. The purpose of this study is to investigate the shrinkage tendency of aluminum which are most common metals applied to battery lid according to temperature, and to compare the riveting strength and leakage during the caulking process after heat treatment of rivet component with the rivet without heat treatment.