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US 10,763,486 B2Granted
Battery with safety mechanism
AssigneeDuracell U.S. Operations, Inc.
InventorIn Tae Bae
Life of this patent
Estimating the term…
Abstract
Batteries with a safety mechanism adapted to protect against tissue damage and/or electrolysis when the battery is exposed to an aqueous solution or a wet tissue.
Claims21
A battery with a safety mechanism adapted to protect against tissue damage and/or electrolysis comprising:
- a housing comprising first and second poles, at least one electronic conductor in electronic contact with one of the first and second poles, and a spacer comprising an electronically insulating material, wherein the spacer is provided between the electronic conductor and the other of the first and second poles such that electronic contact between the electronic conductor and the other of the first and second poles is prevented, the spacer being capable of undergoing a physical change in the presence of an aqueous solution such that the spacer can dissolve, soften, or swell and electronic coupling between the electronic conductor and the other of the first and second poles can occur wherein:
- subsequent to the physical change, electronic coupling occurs based on (i) direct physical contact between the electronic conductor and the other of the first or second poles or (ii) indirect physical contact between the electronic conductor and the other of the first and second poles via one or more additional intervening electronically conducting materials disposed between the electronic conductor and the other of the first or second poles.
A battery with a safety mechanism adapted to protect against tissue damage and/or electrolysis comprising:
- a housing comprising first and second poles, an electronic conductor, and first and second spacers comprising an electronically insulating material, wherein the first spacer is disposed between a first pole of the battery and the electronic conductor, the second spacer is disposed between a second pole of the battery and the electronic conductor, the electronic conductor is disposed between the first and second spacers, the spacers being capable of undergoing a physical change in the presence of an aqueous solution such that the spacers can dissolve, soften, or swell, and the electronic conductor being adapted to establish electronic contact with both the first and second poles in the presence of the aqueous solution wherein:
- subsequent to the physical change, electronic contact occurs based on (i) direct physical contact between the electronic conductor and one or more of the first and second poles or (ii) indirect physical contact between the electronic conductor and one or more of the first and second poles via one or more additional intervening electronically conducting materials disposed between the electronic conductor and the one or more of the first and second poles.
Dependencies are inferred from the claim text.