IEEJ Transactions on Power and Energy
Online ISSN : 1348-8147
Print ISSN : 0385-4213
ISSN-L : 0385-4213
Letter
Each Load of Parallel-Connected Cells with Different Capacities and Internal Resistances
Ryuichi MiyanoTakuya Tsuchiya
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2025 Volume 145 Issue 6 Pages 443-444

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Abstract

Taking reuse batteries into consideration, we revealed each load of 2 parallel-connected cells with different performances. As simulation models, 2 types of imaginary cells with either degradation of capacity or internal resistance were prepared in addition to a new cell in order to verify their influences separately. The result indicates that contrary to previous views, the load of the cell with degraded performance is not always smaller in terms of following evaluation items: (1) current expressed as hour rate based on actual capacity and (2) state of charge.

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© 2025 by the Institute of Electrical Engineers of Japan
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