Chemistry: electrical current producing apparatus – product – and – Deferred action type – Responsive to movement of electrode on contained electrolyte
Patent
1987-11-17
1989-01-24
Skapars, Anthony
Chemistry: electrical current producing apparatus, product, and
Deferred action type
Responsive to movement of electrode on contained electrolyte
H01M 630
Patent
active
048001414
ABSTRACT:
A reserve activated electrochemical cell uses a frangible glass ampule for storing an electrolyte. The ampule is located within a first cylindrical cup-shaped metal housing containing a pair of cell electrodes. One of the electrodes is formed by an electrically conductive ring electrically isolated from the wall of the housing while the other electrode is constituted by an electrically active coating on an inner surface of the wall of the housing. The first cylindrical housing is arranged to form a contiguous extension of a second cylindrical metal housing and is attached by an electrically conductive weld bead located along a peripheral edge of an open end of the cup to the second housing to form a fluid-tight seal therewith while facilitating an electrical connection to the first one of the electrodes. An electrical connection to the other one of the electrodes is provided by a wire extending through a fluid-tight seal in a wall of the second housing and connected to the other electrode. The second cylindrical housing is used to form a container for an electronic apparatus to be powered by the electrochemical cell.
REFERENCES:
patent: 4048396 (1977-09-01), Hollander, Jr.
patent: 4612264 (1986-09-01), Fairwood et al.
patent: 4699854 (1987-10-01), Snyder
Eppley William J.
Hawkins Warren E.
Halista Mitchell J.
Honeywell Inc.
Medved Albin
Mersereau Charles G.
Skapars Anthony
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