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US09281520B2 Lead-acid batteries and pastes therefor 有权
铅酸蓄电池及其制品

Lead-acid batteries and pastes therefor
Abstract:
A paste suitable for a negative plate of a lead-acid battery comprises at least (a) a lead-based active material and an expander mixture comprising (b) carbon, (c) barium sulfate and (d) a lignosulfonate, wherein at least part of at least two of said components (a) to (d) are present in the paste as composite particles.
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