PROBLEM TO BE SOLVED: To provide a lead storage battery which can suppress excessive voltage drop in a dark current discharge state, and has excellent charging performance even when SOC (State Of Charge) has lowered due to dark current discharge.SOLUTION: The present invention provides a lead storage battery comprising a positive electrode, a negative electrode, an electrolytic solution, and a separator, where the positive electrode has positive electrode material containing positive electrode active material, the negative electrode has negative electrode material containing negative electrode active material, and the electrolytic solution contains at least one kind selected from a group consisting of a potassium ion, an aluminum ion, a cesium ion, and a phosphate ion.SELECTED DRAWING: None
【課題】暗電流放電状態における過剰な電圧降下を抑制できると共に、暗電流放電によりSOCが低下した場合であっても優れた充電性能を有する鉛蓄電池を提供すること。【解決手段】正極と負極と電解液とセパレータとを備え、正極が、正極活物質を含む正極材を有し、負極が、負極活物質を含む負極材を有し、電解液が、カリウムイオン、アルミニウムイオン、セシウムイオン及びリン酸イオンからなる群より選ばれる少なくとも一種を含む、鉛蓄電池。【選択図】なし
LEAD STORAGE CELL AND AUTOMOBILE PROVIDED WITH THE SAME
鉛蓄電池及びそれを備える自動車
09.08.2018
Patent
Elektronische Ressource
Japanisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 |
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