Negative electrode for alkaline secondary battery, outer case for alkaline secondary battery and alkaline secondary battery
AssigneeGS Yuasa International Ltd.
InventorsTadashi Kakeya, Manabu Kanemoto, Mitsuhiro Kodama
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Abstract
A negative electrode for an alkaline secondary battery includes a current collecting substrate having a substrate containing iron. The current collecting substrate does not have a conductive protecting layer, or has a conductive protecting layer having a thickness of 3 μm or less or having defects, on the substrate. The negative electrode contains magnesium or a magnesium compound and a hydrogen storing alloy.
Claims22
A negative electrode for an alkaline secondary battery comprising a current collecting substrate having a substrate containing iron,
- wherein the current collecting substrate has a conductive protecting layer having a thickness of 3 μm or less or having defects, on the substrate, and
- wherein the negative electrode contains magnesium or a magnesium compound and a hydrogen storage alloy.
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An alkaline secondary battery comprising a negative electrode for an alkaline secondary battery comprising a current collecting substrate having a substrate containing iron, and a separator,
- wherein a magnesium compound layer is formed on a separator surface opposed to the negative electrode.
A negative electrode for an alkaline secondary battery comprising a current collecting substrate having a substrate containing iron,
- wherein the current collecting substrate does not have a conductive protecting layer on the substrate, and
- wherein the negative electrode contains magnesium or a magnesium compound and a hydrogen storage alloy.
Dependencies are inferred from the claim text.