Electrolytic solution for use as gel electrolyte and process for

Details Electrolytic solution for use as gel electrolyte and process for Electrolytic solution for use as gel electrolyte and process for

1998-04-22

2000-06-27

Gorgos, Kathryn

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415763, 522 1, 429300, 429303, 429309, 252190, 252192, C07F 300, C07B 500, C08B 246, C09K 300

Patent

active

060802820

ABSTRACT:
The present invention is directed to both an electrolyte solution for use as a gel electrolyte in an electrolytic cell, and a process for making both the electrolyte gel and the electrolytic cell. The electrolyte solution comprises a polymerizable electrolyte material and a reinforcement polymer. The reinforcement polymer preferably consists of at least poly(methyl methacrylate), while the polymerizable electrolyte material comprises at least a solvent, a monomer, a polymerization initiator, and an ionic conductor. The use of a reinforcement polymer increases the homogeneity and thus the coatability of the electrolytic solution, while also improving the mechanical properties of the cured electrolyte gel.

REFERENCES:
patent: 4986633 (1991-01-01), Ohta
patent: 5237031 (1993-08-01), Kubota et al.
Rezrazi et al., "Conducting and Viscosity Studies of Lithium Ion Conductive Electrolytes Gelled with Poly(Methylmethacrylate)", Advanced Materials Research, vols. 1-2, pp. 495-500, 1994. no month available.
Article "Fast Ion Transport in New Lithium Electrolytes Gelled with PMMA, 1. Influence of Polymer Concentration" Solid StatIonics 66, (1993) pp. 97-104 by O. Bohnke, et al. no month available.
Article "Fast Ion Transport in New Lithium Electrolytes Gelled with PMMA, 2. Influence of Lithium Salt Concentration" Solid State Ionics 66, (1993) pp. 105-106 By O. Bohnke, et al. no month available.
Article "Ionic Conductivity and Compatibility Studies of Blends of Poly (methyl Methacrylate) and Poly (propylene Glycol) Complexed with LICF.sub.3 SO.sub.3 " Journal of Polymer Science: Part A: 1992 no month available.

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