Solid ion conducting material, obtained from a polymer and an al

Details Solid ion conducting material, obtained from a polymer and an al Solid ion conducting material, obtained from a polymer and an al

1994-02-15

1996-03-26

Dees, Jose/ G.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

252622, H01M 618

Patent

active

055019196

ABSTRACT:
A solid ion conductor material is made from branched polyethylene imine and a lithium cation salt in such a manner that the ratio of the number of nitrogen atoms contained in the polymer to the number of lithium cations originating from the salt is optimized. The branched polyethylene imine can be plasticized within a certain proportionate range of plasticizer. This type of material is used as electrolyte, notably in electrochromic systems.

REFERENCES:
patent: 4576882 (1986-03-01), Davis et al.
patent: 4730239 (1988-03-01), Currie et al.
patent: 5011751 (1991-04-01), Yoneyama et al.
Macromolecules, vol. 20, 1987, Easton US, pp. 1778-1781, Harris et al, "Ionic Conductivity in Branched Polyethylenimine-Sodium Trifluoromethanesulfonate Complexes. Comparisons to Analogous Complexes made with Linear Polyethylenimine".

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