Chemistry: electrical current producing apparatus – product – and – Having diverse cells or diverse removable cells in a support...
Patent
1991-06-10
1993-02-02
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Having diverse cells or diverse removable cells in a support...
429 97, 429 99, 429100, 429178, H01M 1200, H01M 210
Patent
active
051837129
ABSTRACT:
A sealed battery is provided having three or more terminals, with at least one positive terminal on one end of the battery and at least one negative terminal on the other end of the battery. The extra terminal is coupled to a reserve portion of the cathode or anode, with the main and reserve portions of the cathode or anode being separated by insulation. The extra terminal may be located on the top, bottom, or side of the battery according to the various embodiments provided. Battery holders for accomodating the three terminal batteries are also provided. With three terminals, different types of switching may be utilized to bring the reserve into play automatically, or by manual or remote activation, and either in a parallel manner with the main cell, or independently thereof. The sealed batteries having three terminals are designed to be backward compatible so that they may be used in standard battery holders.
REFERENCES:
patent: 1024577 (1912-04-01), Hite
patent: 2988588 (1961-06-01), Hartwig
patent: 3242009 (1966-03-01), Schilke
patent: 4213078 (1980-07-01), Ferrell et al.
patent: 4514477 (1985-04-01), Kobayashi
patent: 4818928 (1989-04-01), Schosser
Beldock Donald T.
Craig Paul P.
Beldock Donald T.
Gordon David P.
Kalafut Stephen
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