Lead-acid battery
AssigneeGS Yuasa International Ltd.
InventorsYasuyuki Hamano, Hiroki Kagohashi
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Abstract
A lead-acid battery includes a positive electrode plate, a negative electrode plate, and an electrolyte solution, in which the positive electrode plate includes a positive current collector and a positive electrode material, the negative electrode plate includes a negative current collector and a negative electrode material, the positive current collector contains Sn in an amount of 0.95% by mass or more, the negative electrode material contains a polymer compound, and the polymer compound has a peak in a range of 3.2 ppm or more and 3.8 ppm or less in a chemical shift of 1H-NMR spectrum, or the polymer compound contains a repeating structure of oxy C2-4 alkylene units.
Claims10
A lead-acid battery comprising a positive electrode plate, a negative electrode plate, an electrolyte solution, and a polymer compound,
- wherein the positive electrode plate comprises a positive current collector and a positive electrode material,
- the negative electrode plate comprises a negative current collector and a negative electrode material, wherein at least the negative electrode material contains the polymer compound,
- the positive current collector contains Sn in an amount of 0.95% by mass or more, and
- the polymer compound has a peak in a range of 3.2 ppm or more and 3.8 ppm or less in a chemical shift of 1H-NMR spectrum and the polymer compound contains a repeating structure of oxy C2-4 alkylene units.
A lead-acid battery comprising a positive electrode plate, a negative electrode plate, an electrolyte solution, and a polymer compound,
- wherein the positive electrode plate comprises a positive current collector and a positive electrode material,
- the negative electrode plate comprises a negative current collector and a negative electrode material, wherein at least the negative electrode material contains the polymer compound,
- the positive current collector contains Sn in an amount of 0.95% by mass or more, and
- the polymer compound contains a repeating structure of oxy C2-4 alkylene units.
Dependencies are inferred from the claim text.