Ternary solvent nonaqueous organic electrolyte for alkali metal

Details Ternary solvent nonaqueous organic electrolyte for alkali metal Ternary solvent nonaqueous organic electrolyte for alkali metal

1996-09-16

1998-07-07

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, H01M 1040

Patent

active

057766355

ABSTRACT:
A nonaqueous electrolyte comprising a ternary solvent system preferably including a linear ether mixed with a high permittivity solvent and a low viscosity solvent, is described. This electrolyte is useful for activating an alkali metal/solid cathode electrochemical cell of the kind that typically powers implantable medical devices. The new electrolyte provides improved cell capacity under high current pulse discharge applications while decreasing cell swelling by about 20% in comparison to conventional nonaqueous organic electrolytes consisting of propylene carbonate and dimethoxyethane as the solvents.

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