Lead acid battery
AssigneeJapan Storage Battery Co., Ltd.
InventorKen Sawai
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Abstract
A lead acid battery has a positive plate containing antimony, a negative plate; and a separator containing an organic compound capable of capturing metal ions. The organic compound is preferably lignin.
Claims14
A retainer-type valve-regulated lead acid battery comprising a positive plate containing antimony, a negative plate and a glass mat separator containing lignin and fine glass fiber, wherein an active material of the positive plate contains antimony in an amount of from 50 to 8,000 ppm and/or wherein the positive plate comprises a positive grid lead alloy containing antimony in an amount of from 0.5 to 1.7 weight %.
A valve-regulated lead acid battery comprising a positive plate containing antimony, a negative plate, and a separator containing granular silica containing lignin, wherein an active material of the positive plate contains antimony in an amount of from 50 to 8,000 ppm and/or wherein the positive plate comprises a positive grid lead alloy containing antimony in an amount of from 0.5 to 1.7 weight %.
Dependencies are inferred from the claim text.