Solid ionically conducting polymer material
A solid, ionically conductive, polymer material with a crystallinity greater than 30%; a glassy state; and both at least one cationic and anionic diffusing ion, wherein each diffusing ion is mobile in the glassy state.
1. An electrolyte material comprising:
a solid ionically conductive polymer having a semi-crystalline or crystalline structure;
wherein the solid ionically conductive polymer is formed from a base polymer, an ionic compound and an electron acceptor;
wherein the solid, ionically conductive polymer has an ionic conductivity greater than 1×10 −4 S/cm at room temperature;
wherein the base polymer is a polyether ether ketone, polyphenylene sulfide, a liquid crystal polymer, or a semi-crystalline polymer with a crystallinity index greater than 30%;
wherein the ionic compound is an oxide, a hydroxide or a salt; and
wherein the electron acceptor is 2,3-dichloro-5,6-dicyano-1,4-benzoquinone, tetracyano-ethylene or chloranil.
2. The material of claim 1 , wherein the base polymer has a melting temperature which is greater than 250° C.
3. The material of claim 1 ,
wherein the material comprises a diffusing cation; and
wherein the diffusing cation is monovalent.
4. The material of claim 1 ,
wherein the material comprises a cationic diffusing ion; and
wherein the cationic diffusing ion comprises lithium.
5. The material of claim 1 ,
wherein the material comprises a diffusing anion; and
wherein diffusing anion is monovalent.
6. The material of claim 1 ,
wherein the material comprises a diffusing anion; and
wherein the diffusing anion is a hydroxyl ion.
7. The material of claim 1 ,
wherein the material comprises a diffusing anion and a diffusing cation; and
wherein each of the diffusing anion and the diffusing cation are monovalent.
8. The material of claim 1 , wherein the ionic crystalline or semi-crystalline polymer comprises a plurality of monomer residues; and
wherein a molecular weight of each monomer residue of the plurality of monomer residues is greater than 100 grams/mole.
9. The material of claim 1 , wherein the ionic conductivity is greater than 1×10 −3 S/cm at room temperature.
10. The material of claim 1 , wherein the material exhibits a UL 94 V-0 flame retardancy.
11. The material of claim 1 , wherein the material is in the shape of a film.
12. The material of claim 1 , wherein the material is formed by a method including a step of doping with the electron acceptor.