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US 9,806,343 B2Granted
Lead-acid battery formulations containing discrete carbon nanotubes
AssigneeMolecular Rebar Design, LLC
InventorsClive P. Bosnyak, Kurt W. Swogger
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Abstract
Compositions of discrete carbon nanotubes for improved performance lead acid batteries. Further disclosed is a method to form a lead-acid battery with discrete carbon nanotubes.
Claims22
A composition for lead-acid battery construction comprising:
- a plurality of discrete carbon nanotubes, not entangled as a mass, the nanotubes having an aspect ratio of about 10 to about 500;
- wherein the discrete carbon nanotubes are open ended;
- and
- wherein the discrete carbon nanotubes have an oxidation level of from about 1 weight percent to about 15 weight percent.
1 more element
A composition for lead-acid battery construction comprising:
- a plurality of discrete carbon nanotubes, not entangled as a mass, the nanotubes having an aspect ratio of about 10 to about 500;
- wherein the discrete carbon nanotubes are open ended;
- wherein the discrete carbon nanotubes have an oxidation level of from about 1 weight percent to about 15 weight percent;
- and
- wherein the discrete carbon nanotubes are coated with a conductive polymer.
2 more elements
A composition for lead-acid battery construction comprising:
- (a) a plurality of discrete carbon nanotubes, not entangled as a mass, the nanotubes having an aspect ratio of about 10 to about 500;
- wherein the discrete carbon nanotubes are open ended;
- wherein the discrete carbon nanotubes have an oxidation level of from about 1 weight percent to about 15 weight percent;
- and
- wherein the discrete carbon nanotubes are coated with a conductive polymer;
- (b) an inorganic salt is selected from the group consisting of barium sulfate, lead sulfate, calcium sulfate and tin oxide;
- and
- (c) a non-fiber carbon moiety is selected from the group consisting of carbon black, graphite and graphene.
5 more elements
Dependencies are inferred from the claim text.