Battery with self-programming fuse
AssigneeInternational Business Machines Corporation
InventorsHariklia Deligianni, Harold J. Hovel, Fei Liu
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Abstract
A useful lifetime of an energy storage device can be extended by providing a series connection of a battery cell and an self-programming fuse. A plurality of series connections of a battery cell and an self-programming fuse can then be connected in a parallel connection to expand the energy storage capacity of the energy storage device. Each self-programming fuse can be a strip of a metal semiconductor alloy material, which electromigrates when a battery cell is electrically shorted and causes increases in the amount of electrical current therethrough. Thus, each self-programming fuse is a self-programming circuit that opens once the battery cell within the same series connection is shorted.
Claims13
An energy storage device comprising at least one series connection of a battery cell structure and a self-programming fuse, wherein said self-programming fuse comprises a metal semiconductor alloy portion, wherein said metal semiconductor alloy portion is in lateral contact with a semiconductor material layer.
An energy storage device comprising at least one series connection of a battery cell structure and a self-programming fuse, wherein said self-programming fuse comprises a metal semiconductor alloy portion, wherein said at least one series connection is a plurality of series connections, and said plurality of series connections are connected in a parallel connection between a first contact electrode and a second contact electrode, and all anodes within said plurality of series connections are electrically shorted to one of said first contact electrode and said second contact electrode, and all cathodes within said plurality of series connections are electrically shorted to another of said first contact electrode and said second contact electrode.
An energy storage device comprising at least one series connection of a battery cell structure and a self-programming fuse, wherein said self-programming fuse comprises a metal semiconductor alloy portion, wherein said series connection is configured to form an electrical open within said self-programming fuse by electromigration when said battery cell structure is electrically shorted by flowing electrical current through said battery cell structure and said self-programming fuse.
Dependencies are inferred from the claim text.