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US 2026/0155545 A1Published application
Secondary battery module
AssigneeToyota Jidosha Kabushiki Kaisha
InventorShingo Komura
Life of this patent
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Abstract
The present disclosure relates to a secondary battery, and more particularly, to a structure of a secondary battery module in which multiple cells are stacked. In the secondary battery module, at least two voltage detection terminals are provided for each of the current collector foils. As a result, even when one of the voltage detection terminals is damaged, a state in which detection of the voltage and the inflow and outflow of current for each cell such as discharge inactivation are enabled is maintained, and the balancing processing time can be shortened.
Claims5
A secondary battery module wherein:
- multiple cells are connected, the cells each having a stacked structure in which a positive electrode active material layer coated on a current collector foil of a positive electrode and a negative electrode active material layer coated on a current collector foil of a negative electrode face each other with a separator interposed between the positive electrode active material layer and the negative electrode active material layer, and an electrolyte is injected between the current collector foils;
- and
- at least two voltage detection terminals are provided on each of the current collector foils.
Dependencies are inferred from the claim text.