THIN METAL-AIR BATTERIES
First Claim
Patent Images
1. A battery, comprising:
- an anode comprising zinc, aluminum, or magnesium;
a cathode comprising at least one oxygen reduction catalyst on an electrically conducting porous substrate; and
a dry separator disposed between the anode and the cathode, comprising a hydrophilic membrane;
wherein the anode, cathode, and separator are joined together to form a layered battery, and the anode, cathode, and separator are not further enclosed within the layered battery.
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Abstract
Thin metal-air batteries are described. The batteries do not have an enclosure.
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Citations
36 Claims
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1. A battery, comprising:
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an anode comprising zinc, aluminum, or magnesium; a cathode comprising at least one oxygen reduction catalyst on an electrically conducting porous substrate; and a dry separator disposed between the anode and the cathode, comprising a hydrophilic membrane; wherein the anode, cathode, and separator are joined together to form a layered battery, and the anode, cathode, and separator are not further enclosed within the layered battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of making a battery, comprising:
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joining an anode comprising zinc, aluminum, or magnesium;
a separator comprising a hydrophilic material and a salt; and
a cathode comprising at least one oxygen reduction catalyst on a porous substrate, to provide a layered battery,wherein the anode, cathode, and separator are not further enclosed within the layered battery. - View Dependent Claims (23, 24, 25, 26, 27)
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28. A method of using a battery, comprising:
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contacting a battery including an anode comprising zinc, aluminum, or magnesium;
a cathode comprising at least one oxygen reduction catalyst on a porous substrate; and
a separator disposed between the anode and the cathode comprising a hydrophilic membrane and at least one salt, with a sample,wherein the anode, cathode, and separator are joined together to form a layered battery, and the anode, cathode, and separator are not further enclosed within the layered battery. - View Dependent Claims (29, 30, 31)
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32. A consumer product including a water detector, the water detector comprising:
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a battery including an anode comprising zinc, aluminum, or magnesium;
a cathode comprising at least one oxygen reduction catalyst on an electrically conducting porous substrate; and
a dry separator disposed between the anode and the cathode, comprising a hydrophilic membrane and a salt;wherein the anode, cathode, and separator are joined together to form a layered battery, and the anode, cathode, and separator are not further enclosed within the layered battery. - View Dependent Claims (33, 34, 35, 36)
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Specification