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US 12,719,049 B2Granted
Phosphate based surfactants for alkaline battery anode
AssigneeDuracell U.S. Operations, Inc.
InventorDavid Lloyd Anglin
Life of this patent
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Abstract
An anode composition, an alkali battery, a method of making a battery anode, and a method of making a battery, wherein the anode comprises a zinc or zinc alloy and a surfactant of formula (I): wherein R1 is selected from aryl and C1-C12 alkyl; x is an integer from 2 to 30; n is an integer from 2 to 6; and y is 1 or 2.
Claims19
An anode composition comprising:
- zinc or a zinc alloy;
- and
- a surfactant of formula (I):
- wherein R1 comprises one or more aryl groups chosen from naphthyl, fluorenyl, anthracenyl, phenanthryl, tetracenyl, benz[a]anthracenyl, pyrenyl, and perylenyl;
- y is 1 or 2;
- x is an integer from 2 to 30;
- and
- n is an integer from 2 to 6.
5 more elements
A method of making a battery, comprising:
- incorporating into a battery an anode including a zinc or a zinc alloy and a surfactant of formula (I):
- wherein R1 is selected from one or more aryl groups chosen from naphthyl, fluorenyl, anthracenyl, phenanthryl, tetracenyl, benz[a]anthracenyl, pyrenyl, and perylenyl;
- y is 1 or 2;
- x is an integer from 2 to 30;
- and
- n is an integer from 2 to 6.
3 more elements
An anode composition comprising:
- zinc or a zinc alloy;
- and
- a surfactant of formula (II):
- wherein R is methyl or hydrogen;
- x is an integer from 2 to 30;
- and
- the rings 1 and 2 represent a coupled ring system comprising at least 10 ring carbons.
4 more elements
Dependencies are inferred from the claim text.