Active material for high power and high energy lead acid batteries and method of manufacture
AssigneeDelphi Technologies, Inc.
InventorsRongrong Chen, Wellington Y. Kwok
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Abstract
A grid plate for high power lead acid battery having a plate (14) covered with a conductive polymeric matrix (10) of preferably polyaniline and its derivatives, which is then coated with nanoscale particles of active material (14) such as lead sulfate and basic lead sulfate complexes.
Claims20
A liquid electrolyte battery electrode, comprising:
- (a) a battery grid plate (12) having at least one surface;
- (b) a conductive polymeric matrix (10) formed over said surface of said battery grid plate;
- and
- (c) a plurality of superfine particles of active material (14) coupled with said conductive polymeric matrix (10).
A method for producing a battery plate for a lead acid battery, comprising:
- (a) providing a formed battery grid (12) having at least one surface;
- (b) forming a conductive polymeric matrix (10) over said surface of said battery grid;
- and
- (c) coating said conductive polymeric matrix (10) with a plurality of nanoscale particles of active material (14) on said surface of said battery grid.
A method for producing a battery plate as recited in claim 111, wherein said polymeric matrix (10) is polymerized from polyaniline.
A method for producing a battery plate recited in claim 19, wherein said polyaniline forming said polymeric matrix (10) is sulfonated.
Dependencies are inferred from the claim text.