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US 11,962,008 B2Granted
Lead-based alloy and related processes and products
AssigneeRSR Technologies, Inc.
InventorsR. David Prengaman, Timothy W. Ellis, Matthew T. Raiford
Life of this patent
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Abstract
A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.
Claims9
A paste used to produce lead-acid battery electrodes, the paste comprising:
- aqueous sulfuric acid;
- a doped leady oxide powder comprising an oxidation product of a lead-based alloy wherein the lead-based alloy comprises, in percent by total alloy weight:
- 0.0090% to 0.0150% antimony;
- 0.0010% to 0.0300% arsenic;
- 0.0010% to 0.0090% tin;
- and
- balance lead and incidental impurities;
- polyester fibers;
- red lead;
- tetrabasic lead sulfate or tribasic lead sulfate;
- carbon, barium sulfate, or lignosulfonate;
- and
- ammonium sulfate or magnesium sulfate.
10 more elements
A paste used to produce lead-acid battery electrodes, the paste comprising:
- aqueous sulfuric acid;
- a doped leady oxide powder comprising an oxidation product of a lead-based alloy wherein the lead-based alloy comprises, in percent by total alloy weight:
- 0.0010% to 0.0300% antimony;
- 0.0010% to 0.0300% arsenic;
- 0.0010% to 0.0100% tin;
- and
- balance lead and incidental impurities;
- and
- at least one of a plurality of additives.
6 more elements
Dependencies are inferred from the claim text.