CN115117437A - Solid electrolyte and preparation method thereof - Google Patents
Solid electrolyte and preparation method thereof Download PDFInfo
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- CN115117437A CN115117437A CN202110291903.XA CN202110291903A CN115117437A CN 115117437 A CN115117437 A CN 115117437A CN 202110291903 A CN202110291903 A CN 202110291903A CN 115117437 A CN115117437 A CN 115117437A
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- 239000007784 solid electrolyte Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 230000027756 respiratory electron transport chain Effects 0.000 claims abstract description 34
- 150000002500 ions Chemical class 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 10
- 239000003792 electrolyte Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 150000001450 anions Chemical class 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 6
- -1 quinone compound Chemical group 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 125000006575 electron-withdrawing group Chemical group 0.000 claims description 2
- 125000005842 heteroatom Chemical group 0.000 claims description 2
- 125000000623 heterocyclic group Chemical group 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 claims description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical group C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- 102000004310 Ion Channels Human genes 0.000 abstract 1
- 239000000370 acceptor Substances 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- HZNVUJQVZSTENZ-UHFFFAOYSA-N 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O HZNVUJQVZSTENZ-UHFFFAOYSA-N 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 239000000178 monomer Substances 0.000 description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 4
- 229920012287 polyphenylene sulfone Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- NLDYACGHTUPAQU-UHFFFAOYSA-N tetracyanoethylene Chemical group N#CC(C#N)=C(C#N)C#N NLDYACGHTUPAQU-UHFFFAOYSA-N 0.000 description 4
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 2
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 2
- QSZMZKBZAYQGRS-UHFFFAOYSA-N lithium;bis(trifluoromethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F QSZMZKBZAYQGRS-UHFFFAOYSA-N 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 2
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002203 sulfidic glass Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0088—Composites
- H01M2300/0091—Composites in the form of mixtures
Abstract
The invention discloses a solid electrolyte material and a preparation method thereof. The polymer containing the electron transfer complex is composed of one or more electron donor polymers and one or more electron acceptors, and the polymer containing the electron transfer complex interacts with an ion source to dissociate ions and form an ion channel. The solid electrolyte material has extremely high ionic conductivity and room temperature of 1 x 10 ‑4 S/cm or more, and can be used for conducting various ionic systems.
Description
Technical Field
The invention relates to the field of electrochemical energy storage, in particular to a solid electrolyte, a preparation method thereof and application containing the solid electrolyte.
Background
In recent years, lithium ion batteries have been developed rapidly, and due to good cycle performance and high energy density, the lithium ion batteries can be charged and discharged rapidly, and the commercialization of the lithium ion batteries in the consumer electronics industry has been achieved with great success. With the expansion of the application of the lithium ion battery in the aspects of energy storage and power, the requirements of the energy density and the cycle life of the lithium ion battery are continuously improved, and the potential safety hazard of the lithium ion battery is more obvious. The use of a non-flowing, non-flammable solid electrolyte instead of a liquid electrolyte as the ionically conductive medium in a battery is considered an important route to the solution of the safety problem for lithium batteries.
Solid state electrolyte materials that can be used commercially need to have the following advantages:
1) good ionic conductivity at room temperature;
2) a high electrochemical window;
3) low interfacial resistance with active materials;
4) the processing and forming are easy;
5) good thermal and chemical stability;
6) the production and use cost is low.
The existing solid electrolyte is classified into sulfide, oxide, polymer and the like, a sulfide solid electrolyte system has high room-temperature conductivity, but the material is unstable, the requirements on production conditions and use conditions are very strict, and the overall cost is high; the oxide solid electrolyte has available ionic conductivity, but the material has high hardness and is brittle, and the interface contact resistance is too large to be used; the polymer solid electrolyte is easy to process and form and has lower interface impedance, but the conductivity of the polymer solid electrolyte at room temperature is generally lower, and the use requirement cannot be met at room temperature. Therefore, it is very important to develop a solid electrolyte material having high conductivity and low interface resistance with an active material, which satisfies the requirements in battery applications.
The invention content is as follows:
in view of the above problems with the existing solid electrolytes, the present invention provides a solid electrolyte that can meet the needs of batteries and other electrochemical devices.
According to one of its objects, the present invention provides a solid electrolyte comprising at least one electron transfer complex and at least one ion source, said solid electrolyte having an isotropic conductivity and an ionic conductivity of 1 x 10 or more at room temperature -4 S/cm, preferably (1X 10) -4 -1×10 -2 )S/cm；
The at least one electron transfer complex is formed from at least one electron donor molecule and at least one electron acceptor molecule, wherein the electron donor molecule of the at least one electron transfer complex is a polymer having a repeating unit.
The electron transfer complex accounts for more than 40% of the volume of each component.
The electron transfer complex is a solid at room temperature.
At least one electron donor in the electron transfer complex has a conjugated structure and has pi electrons that can be delocalized.
At least one electron donor in the electron transfer complex has a benzene ring or a heterocyclic ring structure. Wherein the heteroatom can be nitrogen, sulfur, oxygen, boron.
The molecular weight of the electron donor in the electron transfer complex is greater than 100 g/mol.
The electron donor polymer has a crystallinity of less than 30% or is in an amorphous state.
The electron affinity of the electron acceptor in the electron transfer complex is greater than 1.3 eV. Preferably, the electron acceptor is a quinone compound or a vinyl compound substituted with an electron withdrawing group.
Each electron donor in the electron transfer complex forms an electron transfer complex with at least one electron acceptor.
The ion source used in the solid electrolyte may be selected from electrolyte salts having anions and cations.
The ion source of the solid electrolyte contains at least one mobile cation; preferably, the cation is lithium, sodium, potassium, magnesium or aluminum.
The ion source of the solid electrolyte contains at least one mobile anion; preferably, the anion is chloride, fluoride, carbonate, hexafluorophosphate, perchlorate, hydroxide.
The molar ratio of the electron acceptor to the electron donor of the electron transfer complex in the solid electrolyte is 0.2:1 to 1.2: 1. Preferably, the molar ratio of electron acceptor to electron donor is from 0.9:1 to 1.1: 1.
The molar ratio of the ion source to the electron transfer complex acceptor in the solid electrolyte is 0.1: 1-3:1. Preferably, the molar ratio of the ion source to the electron transfer complex acceptor is from 0.9:1 to 1.1: 1.
The solid electrolyte contains at least 0.5mol of ion sources per liter of volume.
As another object of the present invention, the present invention provides a method for producing the above solid electrolyte, which is produced by any one of the following methods:
method a): fully mixing the electron transfer complex component with an ion source, and heating for full reaction to obtain a solid electrolyte material;
method b): and uniformly mixing the electron transfer complex component with an ion source solution, heating for reaction, and removing the solvent to obtain the solid electrolyte material.
In the invention, the solid electrolyte has extremely high ionic conductivity, and room temperature can reach 1X 10 -4 The material has the advantages of S/cm or above, can conduct various ionic systems, and can be widely applied to the preparation of electrochemical devices.
Description of the drawings:
FIG. 1 is an external topography of a solid electrolyte sheet prepared in example 1-1 of the present invention;
FIG. 2 is an electrochemical resistance diagram of a PS-TCNE-NaOH solid electrolyte sheet prepared in example 1-1 of the present invention;
FIG. 3 is an electrochemical impedance plot of a PPSU-CL-LiTFSI solid state electrolyte sheet prepared in examples 1-2 of the present invention;
FIG. 4 is a graph showing the trend of the conductivity of PC-TCNE-NaOH solid electrolytes prepared in examples 1 to 6 of the present invention with respect to the content of an ion source.
The specific implementation mode is as follows:
the following are examples of the preparation of the solid electrolyte material of the present invention.
Examples 1 to 1
Polystyrene (PS), Tetracyanoethylene (TCNE) and sodium hydroxide (NaOH) were mixed in a monomer molar ratio of 1: 0.8: 0.5 heating and pressurizing at 230 ℃ to prepare the electron transfer complex PS-TCNE-NaOH solid electrolyte material thick sheet, as shown in figure 1. Electrochemical resistance tests were performed on the solid electrolyte sheet, and the results are shown in fig. 2. The conductivity of the solid electrolyte was calculated to be 0.8 mS/cm.
Examples 1 to 2
Polyphenylene Sulfone (PPSU) with tetrachlorobenzoquinone (CL) and lithium bistrifluoromethanesulfonimide (LiTFSI) in a monomer molar ratio of 1: 1.1: 0.92 heating and pressurizing at 250 ℃ to prepare the electron transfer complex PPSU-CL-LiTFSI solid electrolyte material thick sheet. Electrochemical resistance tests were performed on the solid electrolyte sheet, and the results are shown in fig. 3. The conductivity of the solid electrolyte was calculated to be 0.1 mS/cm.
Examples 1 to 3
Polyphenylene Sulfone (PPSU) with dichlorodicyanobenzoquinone (DDQ) and magnesium chloride (MgCl) 2 ) According to the monomer molar ratio of 1: 1.1: 1.3 preparation of electron transfer complex PPSU-DDQ-MgCl by heating and pressurizing at 250 deg.C 2 A thick sheet of solid electrolyte material. The solid electrolyte sheet was subjected to electrochemical impedance testing to determine a conductivity of the solid electrolyte of 1.1 mS/cm.
Examples 1 to 4
2,2' -bis (4-hydroxyphenyl) propane Polycarbonate (PC), dichlorodicyanobenzoquinone (DDQ) and 1mol/L lithium perchlorate (LiClO) 4 ) The molar ratio of the ethyl methyl carbonate solution to the ethyl methyl carbonate solution is 1: 0.9 mixing, heating at 260 ℃ to prepare the electron transfer complex PC-DDQ-LiClO 4 . The obtained solid powder was pressurized to prepare a solid electrolyte slab. The conductivity of the solid electrolyte was tested to be 0.7 mS/cm.
Examples 1 to 5
Polystyrene (PS) was mixed with a solution of tetracyano-p-xylylenequinone (TCNQ) and 1mol/L lithium bistrifluoromethylsulfonylimide (LiTFSI) in ethyl methyl carbonate in a molar ratio of monomers 1: 0.8: 0.9 heating at 230 ℃ to prepare the electron transfer complex PS-TCNQ-LiTFSI. The obtained solid powder is pressurized to prepare a solid electrolyte thick sheet, and a solid electrolyte is prepared. The conductivity of the test solid electrolyte was 2.1 mS/cm.
Examples 1 to 6
2,2' -bis (4-hydroxyphenyl) propane Polycarbonate (PC) and Tetracyanoethylene (TCNE) are mixed according to a monomer molar ratio of 1:1, and then the mixture is mixed with lithium bistrifluoromethanesulfonimide (LiTFSI) salts in different proportions, and the mixture is heated at 260 ℃ to prepare an electron transfer complex PC-TCNE-LiTFSI with different proportions. The solid electrolyte materials containing different amounts of ion sources were pressed into thick sheets, and the results of measuring the electrical conductivity are shown in fig. 4.
Table 1: solid electrolyte parameters of examples and comparative examples
| Serial number | Thickness (μm) | Resistance (omega) | Electrical conductivity (10) -3 S/cm) |
| Examples 1 to 1 | 840 | 220 | 0.8 |
| Examples 1 to 2 | 920 | 2351 | 0.1 |
| Examples 1 to 3 | 790 | 145 | 1.1 |
| Examples 1 to 4 | 650 | 195 | 0.7 |
| Examples 1 to 5 | 600 | 58 | 2.1 |
Claims (11)
1. A solid electrolyte comprising at least one electron transfer complex and at least one ion source, wherein the solid electrolyte has an isotropic conductivity and an ionic conductivity of 1 x 10 or more at room temperature -4 S/cm, preferably (1X 10) -4 -1×10 -2 )S/cm；
The at least one electron transfer complex is formed from at least one electron donor molecule and at least one electron acceptor molecule, wherein the electron donor molecule of the at least one electron transfer complex is a polymer having a repeating unit.
2. The solid state electrolyte of claim 1, wherein the electron transfer complex comprises greater than 40% by volume.
3. The solid-state electrolyte according to claim 2, wherein the molecule of the electron donor of at least one electron transfer complex has a conjugated structure and has a delocalized pi-electron, preferably a benzene or heterocyclic ring structure, the heteroatom may be nitrogen, sulfur, oxygen or boron, and the molecular weight of the electron donor is higher than 100 g/mol.
4. The solid state electrolyte of claim 1, wherein the polymer has a crystallinity of less than 30% or is in an amorphous state.
5. The solid-state electrolyte of any one of claims 1-2, wherein the electron affinity of the electron acceptor molecule is greater than 1.3 eV; preferably, the electron acceptor molecule is a quinone compound, or a vinyl compound substituted with an electron withdrawing group.
6. Solid-state electrolyte according to any of claims 1-2, characterized in that each electron donor molecule forms an electron transfer complex with at least one electron acceptor molecule.
7. The solid-state electrolyte according to claim 1, wherein the ion source is selected from the group consisting of salts, preferably the salts comprise an anion and a cation, more preferably at least one mobile cation and/or anion, more preferably the cation is lithium, sodium, potassium, magnesium or aluminum, and the anion is chloride, fluoride, carbonate, hexafluorophosphate, perchlorate or hydroxide.
8. The solid-state electrolyte of claim 1, wherein the molar ratio of electron acceptor to electron donor of the electron transfer complex in the solid-state electrolyte is from 0.2:1 to 1.2: 1.
9. The solid-state electrolyte of claim 1, wherein the molar ratio of ion source to electron acceptor in the electron transfer complex in the solid-state electrolyte is 0.1: 1-3: 1; preferably, from 0.9:1 to 1.1: 1; more preferably, at least 0.5mol of ion source per liter of volume is present.
10. A method for producing a solid electrolyte according to any one of claims 1 to 9, wherein the solid electrolyte is produced by any one of the following methods:
method a): fully mixing the electron transfer complex component with an ion source, and heating for full reaction to obtain a solid electrolyte material;
method b): and uniformly mixing the electron transfer complex component with an ion source solution, heating for reaction, and removing the solvent to obtain the solid electrolyte material.
11. Use of a solid-state electrolyte as claimed in any one of claims 1 to 9 for the preparation of an electrochemical device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291903.XA CN115117437A (en) | 2021-03-18 | 2021-03-18 | Solid electrolyte and preparation method thereof |
| PCT/CN2021/113210 WO2022193543A1 (en) | 2021-03-18 | 2021-08-18 | Solid electrolyte and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291903.XA CN115117437A (en) | 2021-03-18 | 2021-03-18 | Solid electrolyte and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115117437A true CN115117437A (en) | 2022-09-27 |
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| CN202110291903.XA Withdrawn CN115117437A (en) | 2021-03-18 | 2021-03-18 | Solid electrolyte and preparation method thereof |
Country Status (2)
| Country | Link |
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| CN (1) | CN115117437A (en) |
| WO (1) | WO2022193543A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197098A1 (en) * | 2015-06-04 | 2016-12-08 | Ionic Materials, Inc. | Solid state bipolar battery |
| SG10201811815VA (en) * | 2015-05-08 | 2019-02-27 | Ionic Materials Inc | Solid ionically conducting polymer material |
| SG11201809828PA (en) * | 2016-05-06 | 2018-12-28 | Ionic Materials Inc | Solid ionically conducting polymer material |
| CN109921024B (en) * | 2019-03-12 | 2020-12-29 | 北京科技大学 | Flexible solid lithium ion conductor applied to battery and preparation method thereof |
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2021
- 2021-03-18 CN CN202110291903.XA patent/CN115117437A/en not_active Withdrawn
- 2021-08-18 WO PCT/CN2021/113210 patent/WO2022193543A1/en active Application Filing
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| Publication number | Publication date |
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| WO2022193543A1 (en) | 2022-09-22 |
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Application publication date: 20220927 |