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US5223353A Expired / Lapsed US ⏱️ 0.0 years remaining

Solid electrolyte, electrochemical device including the same and method of fabricating the solid electrolyte

Assignee: Ricoh Co Ltd
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Filing: 1991-03-16
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Granted: 1993-06-29
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Expires: 2011-03-16
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Abstract

Abstract A solid electrolyte with excellent ionic conductivity, which is composed of a viscoelastic material having a structure of a polymerized material and a non-aqueous electrolytic solution contained in the polymerized material, a chemical element containing the solid electrolyte, and a method of fabricating the solid electrolyte are described. This solid electrolyte contains the non-aqueous electrolytic solution in an amount of 200 wt. % or more of the polymer and has a modulus of elasticity of 10 2 to 10 5 dyne/cm 2 , and an elongation of 20% or more.

Inventors

  • 👤 Toshiyuki Ohsawa
  • 👤 Toshiyuki Kabata
  • 👤 Okitoshi Kimura
  • 👤 Sachiko Kimura
  • 👤 Tetsuya Samura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 09:55
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/052; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/122; H01M10/056; H01M10/0564; H01M10/0565; H01M6/00; H01M6/22; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 19
Claim 1
Independent Claim 45 words
A solid electrolyte comprising a viscoelastic material, wherein said viscoelastic material comprises a polymerized material and a non-aqueous electrolytic solution which is contained in said polymerized material, said electrolytic solution being present in an amount of 200 wt. % or more of said polymerized material.
Claim 2
Dependent Claim 45 words
A solid electrolyte comprising a viscoelastic material, wherein said viscoelastic material comprises a polymerized material and a non-aqueous electrolytic solution which is contained in said polymerized material, said electrolytic solution being present in an amount of 200 wt. % or more of said polymerized material.
Claim 3
Dependent Claim 68 words
A solid electrolyte comprises a viscoelastic material, wherein said viscoelastic material comprises a polymerized material and a non-aqueous electrolytic solution which is contained in said polymerized material, the content of said non-aqueous electrolytic solution being 200 wt. % or more of said polymerized material, said viscoelastic material having a modulus of elasticity of 10 2 to 10 5 dyne/cm 2 , and an elongation of 20% or more.
Claim 4
Dependent Claim 68 words
A solid electrolyte comprises a viscoelastic material, wherein said viscoelastic material comprises a polymerized material and a non-aqueous electrolytic solution which is contained in said polymerized material, the content of said non-aqueous electrolytic solution being 200 wt. % or more of said polymerized material, said viscoelastic material having a modulus of elasticity of 10 2 to 10 5 dyne/cm 2 , and an elongation of 20% or more.
Claim 5
Dependent Claim 34 words
The solid electrolyte as claimed in claim 1 or claim 2, wherein said polymerized material is a polymer of an unsaturated carboxylic acid ester, a polymer of a mixture of polyene/polythiol, or a polyurethane.
Claim 6
Dependent Claim 140 words
A solid electrolyte comprising a viscoelastic material, wherein said viscoelastic material comprises a polymerized material of an acrylate having a molecular weight of 500 or less represented by formula (I), or a polymerized material of an unsaturated carboxylic acid ester comprising, as the main component, said acrylate of formula (I), and a non-aqueous electrolytic solution comprising an electrolytic salt and a non-aqueous solvent which is contained in said polymerized material, the content of said non-aqueous electrolytic solution being 200 wt. % or more of said polymerized material, and said electrolytic salt being present in a ratio of 1.0 mole/l or more in said non-aqueous electrolytic solution: ##STR6## wherein R 1 represents a hydrogen atom, or a methyl group, R 2 represents a hydrocarbon group or a group containing a heterocyclic ring, and n is an integer of 1 or more.
Claim 7
Dependent Claim 140 words
A solid electrolyte comprising a viscoelastic material, wherein said viscoelastic material comprises a polymerized material of an acrylate having a molecular weight of 500 or less represented by formula (I), or a polymerized material of an unsaturated carboxylic acid ester comprising, as the main component, said acrylate of formula (I), and a non-aqueous electrolytic solution comprising an electrolytic salt and a non-aqueous solvent which is contained in said polymerized material, the content of said non-aqueous electrolytic solution being 200 wt. % or more of said polymerized material, and said electrolytic salt being present in a ratio of 1.0 mole/l or more in said non-aqueous electrolytic solution: ##STR6## wherein R 1 represents a hydrogen atom, or a methyl group, R 2 represents a hydrocarbon group or a group containing a heterocyclic ring, and n is an integer of 1 or more.
Claim 8
Dependent Claim 119 words
A solid electrolyte comprising a viscoelastic material, wherein said viscoelastic material comprises a polymerized material of a compound of formula (II), or a polymerized material of an unsaturated carboxylic acid ester comprising, as the main component, said compound of formula (II), and a non-aqueous electrolytic solution comprising an electrolytic salt and a non-aqueous solvent which is contained in said polymerized material, the content of said non-aqueous electrolytic solution being 200 wt. % or more of said polymerized material, and said electrolytic salt being present in a ratio of 1.0 mole/l or more in said non-aqueous electrolytic solution: ##STR7## wherein R 3 represents a hydrogen atom, or a methyl group, and R 4 represents a group containing a heterocyclic ring.
Claim 9
Dependent Claim 119 words
A solid electrolyte comprising a viscoelastic material, wherein said viscoelastic material comprises a polymerized material of a compound of formula (II), or a polymerized material of an unsaturated carboxylic acid ester comprising, as the main component, said compound of formula (II), and a non-aqueous electrolytic solution comprising an electrolytic salt and a non-aqueous solvent which is contained in said polymerized material, the content of said non-aqueous electrolytic solution being 200 wt. % or more of said polymerized material, and said electrolytic salt being present in a ratio of 1.0 mole/l or more in said non-aqueous electrolytic solution: ##STR7## wherein R 3 represents a hydrogen atom, or a methyl group, and R 4 represents a group containing a heterocyclic ring.
Claim 10
Dependent Claim 28 words
The solid electrolyte as claimed in any of claims 1, 2, 4 or 5, wherein the content of said non-aqueous electrolytic solution is 400 to 900 wt. %.
Claim 11
Dependent Claim 26 words
The solid electrolyte as claimed in any of claims 1, 2, 4, or 5, wherein the concentration of said electrolytic salt is 2 to 5 moles/l.
Claim 12
Dependent Claim 30 words
The solid electrolyte as claimed in claim 4 or claim 5, wherein said unsaturated carboxylic acid ester comprises a polyfunctional unsaturated carboxylic acid ester having two or more (meth)acryloyl groups.
Claim 13
Dependent Claim 31 words
The solid electrolyte as claimed in claim 8, wherein said polyfunctional unsaturated carboxylic acid ester is present with a ratio of 0.05 to 2 wt. % of said non-aqueous electrolytic solution.
Claim 14
Dependent Claim 26 words
An electrochemical device comprising a solid electrolyte, wherein said solid electrolyte is any of said solid electrolytes as claimed in claims 1, 2, 4 or 5.
Claim 15
Dependent Claim 27 words
The electrochemical device as claimed in claim 10, wherein at least one part of the constituent elements of said electrochemical device and said solid electrolyte are composed.
Claim 16
Dependent Claim 17 words
A battery comprising any of said solid electrolytes as claimed in claim 1, 2, 4 or 5.
Claim 17
Dependent Claim 40 words
A battery comprising electrodes, a separator and a solid electrolyte, wherein said solid electrolyte is any of said solid electrolytes as claimed in claim 1, 2, 4 or 5, wherein said electrode, said separator and said electrolyte are integrally composed.
Claim 18
Independent Claim 138 words
A method of fabricating a solid electrolyte comprising the step of dissolving 100 parts of a compound of formula (I) or formula (II), or an unsaturated carboxylic acid ester comprising said compound of formula (I) or formula (II) as the main component, in 200 or more parts of a non-aqueous electrolytic solution having a concentration of electrolytic salt therein of 1.0 mole/l or more, in the presence of a polymerization initiator, and conducting a polymerization reaction to produce a viscoelastic polymer: ##STR8## wherein R 1 represents a hydrogen atom, or a methyl group, R 2 represents a hydrocarbon group or a group containing a heterocyclic ring, and n is an integer of 1 or more; and ##STR9## wherein R 3 represents a hydrogen atom, or a methyl group, and R 4 represents a group containing a heterocyclic ring.
Claim 19
Independent Claim 138 words
A method of fabricating a solid electrolyte comprising the step of dissolving 100 parts of a compound of formula (I) or formula (II), or an unsaturated carboxylic acid ester comprising said compound of formula (I) or formula (II) as the main component, in 200 or more parts of a non-aqueous electrolytic solution having a concentration of electrolytic salt therein of 1.0 mole/l or more, in the presence of a polymerization initiator, and conducting a polymerization reaction to produce a viscoelastic polymer: ##STR8## wherein R 1 represents a hydrogen atom, or a methyl group, R 2 represents a hydrocarbon group or a group containing a heterocyclic ring, and n is an integer of 1 or more; and ##STR9## wherein R 3 represents a hydrogen atom, or a methyl group, and R 4 represents a group containing a heterocyclic ring.

References Cited (Backward Citations)

JPS593809A Cited
EP0098416A2 Cited
US4537826A Cited
CA1211547A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-06-28 1996-12-28 1997-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-06-28 2000-12-28 2001-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-06-28 2004-12-28 2005-06-29 $7700.00 Window Closed / Lapsed

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