Solid electrolytes containing tetrabutyl ammonium thiocyanate an

Details Solid electrolytes containing tetrabutyl ammonium thiocyanate an Solid electrolytes containing tetrabutyl ammonium thiocyanate an

1994-06-27

1996-07-02

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429198, H01M 618

Patent

active

055320821

ABSTRACT:
Solid electrolytes containing a source of lithium cations and a source of thiocyanate anions and methods for preparing electrolytic cells from such solid electrolytes are provided. Preferably the solid electrolyte includes LiPF.sub.6 and [CH.sub.3 (CH.sub.2).sub.3 ].sub.4 NSCN. The tetrabutyl ammonium cation also acts as a surfactant which improves the coatability of the electrolyte mixture prior to being cured. The thiocyanate anion improves the lithium plating process by adsorbing onto and modifying the lithium anode surface.

REFERENCES:
patent: 3852113 (1974-12-01), Yokota et al.
patent: 4160070 (1979-07-01), Margalit et al.
patent: 4948490 (1990-08-01), Venkatasetty
patent: 5057565 (1991-10-01), Noding et al.
patent: 5204196 (1993-04-01), Yokomichi et al.
patent: 5262253 (1993-11-01), Golovin

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