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BIPOLAR SECONDARY BATTERY, AS WELL AS BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS COMPRISING THE SAME
BIPOLAR SECONDARY BATTERY, AS WELL AS BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS COMPRISING THE SAME
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机译:双极二次电池,以及电池组,电动车,电力存储系统,电动工具和包括该电动设备的电子设备
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摘要
A secondary battery includes: a cathode including a cathode current collector and a first cathode active material layer provided on the cathode current collector; an anode including an anode current collector and a first anode active material layer provided on the anode current collector to face the first cathode active material layer and including a titanium-containing compound; an intermediate electrode provided between the cathode and the anode and including an intermediate current collector, a second anode active material layer provided on the intermediate current collector to face the first cathode active material layer and including the titanium-containing compound, and a second cathode active material layer provided on the intermediate current collector to face the first anode active material layer; and an electrolytic solution including a solvent and an electrolyte salt and having number of molecules of the electrolyte salt equal to or larger than number of molecules of the solvent.
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