Preparation of ion conductive solid electrolyte
AssigneeUbe Industries, Ltd.
InventorsToru Takahashi, Ryuichi Shimizu, Tsuomu Suehiro, Hidetomo Ashitaka
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Abstract
An improved ion conductive solid electrolyte favorably emplolyable for an solid electrolyte cell comprises a cured product of an acryloyl-denatured polyalkylene oxide having a molecular weight of 200-3,000 and an inorganic ion salt. Another improved ion conductive solid electrolyte comprises a cured product of an acryloyl-denatured polyalkylene oxide having a molecular weight of 200-3,000, an inorganic ion salt and a polyalkylene glycol.
Claims16
A process for the preparation of an ion conductive solid electrolyte, which comprises curing a composition comprising an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula:
- ##STR5## wherein R.sup.1 is hydrogen or a lower alkyl group having 1-6 carbon atoms;
- and
- R.sup.2 is hydrogen or an aromatic group;
- and a polyalkylene oxide chain having the formula:
- (CH.sub.2 CHRO).sub.n
- wherein
- n is an integer of from 1 to 30;
- and
- R is hydrogen or a lower alkyl group having 1-6 carbon atoms,
- and an inorganic ion salt by irradiating the composition with active rays.
A solid electrolyte cell using a solid electrolyte film and a negative pole comprising lithium metal or lithium alloy, wherein said electrolyte film is a cured product prepared by irradiating a composition comprising an acryloyl-denatured polyalkylene oxide and an inorganic ion salt with active rays, said acryloyl-denatured polyalklene oxide having a molecular weight of 200 to 3,000 and comprising an acryloyl group having the formula:
- ##STR6## wherein R.sup.1 is hydrogen or a lower alkyl group having 1-6 carbon atoms;
- and
- R.sup.2 is hydrogen or an aromatic group;
- and a polyalkylene oxide chain having the formula:
- (CH.sub.2 CHRO).sub.n
- wherein
- n is an integer of from 1 to 30;
- and R is hydrogen or a lower alkyl group having 1-6 carbon atoms.
An ion conductive solid electrolyte, which comprises a cured product of a composition comprising:
- an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula:
- ##STR7## wherein R.sup.1 is hydrogen or a lower alkyl group having 1-6 carbon atoms,
- and a polyalkylene oxide chain having the formula:
- (CH.sub.2 CHRO).sub.n
- wherein
- n is an integer of from 1 to 30;
- and
- R is hydrogen or a lower alkyl group having 1-6 carbon atoms;
- an inorganic ion salt;
- and
- a polyalkylene glycol having the formula:
- (R.sup.3 O(CH.sub.2 CHR.sup.4 O).sub.n R.sup.5
- wherein
- n is an integer of from 2 to 30;
- and
- each of R.sup.3, R.sup.4 and R.sup.5 independently is hydrogen or a lower alkyl group having 1-6 carbon atoms.
A solid electrolyte cell using a negative pole comprising lithium metal or lithium alloy and a positive pole, wherein said positive pole is a cured product of a composition comprising:
- an active material of positive pole;
- an acryloyl-denatured polyalkylene oxide having a molecular weight of 200 to 3,000 which comprises an acryloyl group having the formula:
- ##STR8## wherein R.sup.1 is hydrogen or a lower alkyl group having 1-6 carbon atoms,
- and a polyalkylene oxide chain having the formula:
- (CH.sub.2 CHRO).sub.n
- wherein
- n is an integer of from 1 to 30;
- and
- R is hydrogen or a lower alkyl group having 1-6 carbon atoms;
- an inorganic ion salt;
- and
- a polyalkylene glycol having the formula:
- R.sup.3 O(CH.sub.2 CHR.sup.4 O).sub.n R.sup.5
- wherein
- n is an integer of from 3 to 30;
- and
- each of R.sup.3, R.sup.4 and R.sup.5 independently is hydrogen or a lower alkyl group having 1-6 carbon atoms.
Dependencies are inferred from the claim text.