Battery module, battery pack, vehicle, and stationary power supply
Abstract:
According to one embodiment, a battery module includes a battery unit. The battery unit includes a nonaqueous lithium ion battery including a nonaqueous electrolyte, and an aqueous lithium ion battery including an electrolytic solution in which an electrolyte is dissolved in an aqueous solvent. In the battery unit, the aqueous lithium ion battery is connected in parallel to the nonaqueous lithium ion battery.
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