Safety cathode for non-aqueous electrochemical cell

Details Safety cathode for non-aqueous electrochemical cell Safety cathode for non-aqueous electrochemical cell

1988-04-22

1989-04-18

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Process of cell operation

429101, 429194, 429218, H01M 1036, H01M 1044

Patent

active

048227005

ABSTRACT:
Exothermic reactions at elevated temperatures in high rate non-aqueous active metal electrochemical cells which include an alkali metal anode, an electrolyte system including an electrolyte salt dissolved in a non-aqueous solvent depolarizer, by the provision of a reaction limiting positive electrode material which includes an amount of carbon black, an amount of binder and an amount of ceramic material, said ceramic material being substantially unreactive with other cell species below a predetermined temperature but capable of reacting to form substantially inactive products with the metal of the anode material at or above the predetermined temperature.

REFERENCES:
patent: 3468708 (1969-09-01), Davis et al.
patent: 3551205 (1970-12-01), Fraioli et al.
patent: 3703413 (1972-11-01), Arrance
patent: 3773878 (1973-11-01), Jahnke
patent: 4051305 (1977-09-01), Benczur-Urmossy et al.
patent: 4071665 (1978-01-01), Garth
patent: 4407910 (1983-10-01), Catanzarite
patent: 4598029 (1986-07-01), Doddapaneni et al.

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