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US 2016/0240852 A1Published application
Lead-acid battery
AssigneeGS Yuasa International Ltd.
InventorsKenji YAMAUCHI, Masaaki KYO, Satoshi INAGAKI
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Abstract
A lead-acid battery includes a negative electrode material containing graphite and barium sulfate. A ratio S/W of an average plate interval S between a negative electrode plate and a positive electrode plate, to a mass W of the negative electrode material per one negative electrode plate is 0.01 mm/g or more.
Claims16
A lead-acid battery comprising a negative electrode plate, a positive electrode plate, an electrolyte solution, and a separator, wherein
- the negative electrode plate includes a negative electrode material containing either graphite or carbon fiber, and barium sulfate, and
- an average plate interval S between the negative electrode plate and the positive electrode plate, and a mass W of the negative electrode material per one negative electrode plate are in a ratio S/W of 0.01 mm/g or more.
A lead-acid battery comprising a negative electrode plate, a positive electrode plate, an electrolyte solution, and a separator, wherein
- the negative electrode plate includes a negative electrode material containing either graphite or carbon fiber, and elemental barium, and
- an average plate interval S between the negative electrode plate and the positive electrode plate, and a mass W of the negative electrode material per one negative electrode plate are in a ratio S/W of 0.01 mm/g or more.
Dependencies are inferred from the claim text.