Sealed electrochemical cell

Details Sealed electrochemical cell Sealed electrochemical cell

1989-05-05

1990-07-24

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, 429 57, H01M 1034

Patent

active

049435000

ABSTRACT:
An electrochemical cell comprising a negative electrode whose electrochemically active material includes an intermetallic compound which can form a hydride with hydrogen, the cell comprising an electrolyte of a solution of at least one alkali hydroxide in water, the negative electrode being provided with a discharge buffer by introducing a quantity of an alkali metal, alkaline earth metal or aluminum into the cell before the cell is sealed, the quantity corresponding to the desired quantity of hydrogen in the negative electrode in the uncharged condition of the cell.

REFERENCES:
patent: 4214043 (1980-07-01), Van Deutekom
patent: 4275127 (1981-06-01), Ritterman et al.
patent: 4487817 (1984-12-01), Willems et al.
patent: 4696873 (1987-09-01), Yagasaki et al.
patent: 4699856 (1987-10-01), Heuts et al.
patent: 4702978 (1987-10-01), Heuts et al.

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