Solid electrolyte, method for producing solid electrolyte, membrane and electrode assembly, and fuel cell
First Claim
1. A solid electrolyte comprising a domain including an acid moiety and a matrix domain, wherein the domain and the matrix domain form 3-dimensional crosslinking structure comprising a carbon-carbon bond of a polymer main chain and polyether crosslink, and the solid electrolyte has ion conductivity of 0.010 S/cm or more, methanol diffusion coefficient of 4×
- 10−
7 cm2/s of less, tensile strength of 40 MPa or more, and pressure strength of 500 kgf/cm2 or more.
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Abstract
A solid electrolyte comprising a domain including an acid moiety and a matrix domain, wherein the domain and the matrix domain form 3-dimensional crosslinking structure comprising a carbon-carbon bond of a polymer main chain and polyether crosslink, and the solid electrolyte has ion conductivity of 0.010 S/cm or more, methanol diffusion coefficient of 4×10−7 cm2/s of less, tensile strength of 40 MPa or more, and pressure strength of 500 kgf/cm2 or more.
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Citations
20 Claims
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1. A solid electrolyte comprising a domain including an acid moiety and a matrix domain, wherein the domain and the matrix domain form 3-dimensional crosslinking structure comprising a carbon-carbon bond of a polymer main chain and polyether crosslink, and the solid electrolyte has ion conductivity of 0.010 S/cm or more, methanol diffusion coefficient of 4×
- 10−
7 cm2/s of less, tensile strength of 40 MPa or more, and pressure strength of 500 kgf/cm2 or more. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 19, 20)
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11. A method for producing a solid electrolyte comprising a domain including an acid moiety and a matrix domain, wherein the domain and the matrix domain form 3-dimensional crosslinking structure comprising a carbon-carbon bond of a polymer main chain and crosslinked polyether, the solid electrolyte has ion conductivity of 0.010 S/cm or more, methanol diffusion coefficient of 4×
- 10−
7 cm2/s of less, tensile strength of 40 MPa or more, and pressure strength of 500 kgf/cm2 or more, and the method comprises forming a polyether by crosslinking reaction. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification