ADVANCED GRAPHITE ADDITIVE FOR ENHANCED CYCLE-LIFE OF LEAD-ACID BATTERIES
ABSTRACT A lead-acid battery includes an electrode comprising lead, an electrode comprising lead dioxide, a separator between the two electrodes, an aqueous solution electrolyte containing sulfuric acid, and a carbon-based additive. The carbon-based additive has a specific surface area of 250 to 550...
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Main Authors | , |
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Format | Patent |
Language | English French |
Published |
15.06.2021
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Subjects | |
Online Access | Get full text |
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Summary: | ABSTRACT A lead-acid battery includes an electrode comprising lead, an electrode comprising lead dioxide, a separator between the two electrodes, an aqueous solution electrolyte containing sulfuric acid, and a carbon-based additive. The carbon-based additive has a specific surface area of 250 to 550 m2/g. The carbon-based additive has: (i) between 20 and 40 percent microporous carbon particles of the total amount of carbon-based additive by weight; (ii) between 60 and 70 percent mesoporous carbon particles of the total amount of carbon-based additive by weight; and (iii) between 0 and 10 percent macroporous carbon particles of the total amount of carbon-based additive by weight. CA 3030921 2019-10-29
ABRÉGÉ Une batterie daccumulateurs au plomb comprend une électrode comprenant du plomb, une électrode comprenant du dioxyde de plomb, un séparateur entre les deux électrodes, un électrolyte en solution aqueuse contenant de lacide sulfurique et un additif à base de carbone. Ladditif à base de carbone a une surface spécifique de 250 à 550 m2/g. Ladditif à base de carbone a : (i) entre 20 et 40 pour cent de particules de carbone microporeuses de la quantité totale dadditif à base de carbone, en poids; (ii) entre 60 et 70 pour cent de particules de carbone microporeuses de la quantité totale dadditif à base de carbone, en poids; et (iii) entre 0 et 10 pour cent de particules de carbone microporeuses de la quantité totale dadditif à base de carbone, en poids. CA 3030921 2019-10-29 |
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Bibliography: | Application Number: CA20113030921 |