According to one embodiment, there is provided a secondary battery including a positive electrode, a negative electrode, and an aqueous electrolyte. The positive electrode includes a positive electrode active material. The negative electrode includes a negative electrode active material and an additive resin containing a hydroxyl group unit and a first unit. The first unit consists of at least one of a butyral unit and an acetal unit. A content ratio of a content of the first unit contained in the additive resin to a content of the hydroxyl group unit contained in the additive resin is in a range of 1.2 to 18.
SECONDARY BATTERY, BATTERY PACK, VEHICLE, AND STATIONARY POWER SUPPLY
2020-05-28
Patent
Electronic Resource
English
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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