CN114976213A - Solid electrolyte and preparation method and application thereof - Google Patents
Solid electrolyte and preparation method and application thereof Download PDFInfo
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- CN114976213A CN114976213A CN202110216165.2A CN202110216165A CN114976213A CN 114976213 A CN114976213 A CN 114976213A CN 202110216165 A CN202110216165 A CN 202110216165A CN 114976213 A CN114976213 A CN 114976213A
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- 239000007784 solid electrolyte Substances 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims description 5
- 230000027756 respiratory electron transport chain Effects 0.000 claims abstract description 33
- 150000002500 ions Chemical class 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000003792 electrolyte Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 150000001450 anions Chemical class 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 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
- 150000003839 salts Chemical class 0.000 claims description 3
- 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
- 125000005842 heteroatom Chemical group 0.000 claims description 2
- 125000000623 heterocyclic group Chemical group 0.000 claims description 2
- -1 hexafluorophosphate Chemical compound 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
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 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
- 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
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 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
- 239000000370 acceptor Substances 0.000 abstract 2
- 102000004310 Ion Channels Human genes 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 17
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 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
- FHCPAXDKURNIOZ-UHFFFAOYSA-N tetrathiafulvalene Chemical compound S1C=CSC1=C1SC=CS1 FHCPAXDKURNIOZ-UHFFFAOYSA-N 0.000 description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 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
- 229910003473 lithium bis(trifluoromethanesulfonyl)imide Inorganic materials 0.000 description 3
- 229920000642 polymer Polymers 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
- 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
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 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
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 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 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002203 sulfidic glass Substances 0.000 description 1
- 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 1
- 238000012876 topography Methods 0.000 description 1
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- 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
-
- 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
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a solid electrolyte material, which is composed of an electron transfer complex and an ion source. The electron transfer complex is composed of one or more electron donors and one or more electron acceptors, and the electron donors and the electron acceptors of the electron transfer complex interact with the 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 successful greatly. 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-state electrolyte comprising at least one electron transfer complex and at least one ion source. The solid electrolyte has isotropic conductivity, and the ion conductivity of the solid electrolyte at room temperature is 1 × 10 or more -4 S/cm, preferably (1X 10) -4 -1×10 -2 )S/cm。
The electron transfer complex accounts for more than 40% of the volume of each component.
The electron transfer complex is formed from at least one electron donor and at least one electron acceptor.
The electron transfer complex is solid at room temperature and has a melting point higher than 120 ℃.
The electron transfer complex has an electron conductivity of less than 1 x 10 at room temperature -8 S/cm。
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 affinity of the electron acceptor in the electron transfer complex is greater than 1.3 eV.
The electron transfer complex has a binding energy of less than 1.0eV of the electron acceptor and electron donor complex, i.e., the difference between the total energy of the electron transfer complex and the total energy of the electron acceptor molecule and electron donor molecule alone is less than 1.0 eV.
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 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 0.9:1 to 1.1: 1.
The solid electrolyte contains at least 0.5mol of ion source 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): mixing all the components, and then heating, pressurizing and molding;
method b): mixing the electron transfer complex with an ion source solution, volatilizing a solvent, and performing pressure molding;
in the invention, the solid electrolyte has extremely high ionic conductivity, and room temperature can reach 1 x 10 -4 S/cm or more, and can conduct various ionic systems.
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 impedance diagram of a TTF-TCNE-NaOH solid electrolyte sheet prepared in example 1-1 of the present invention;
FIG. 3 is an electrochemical impedance plot of HQ-CL-LiTFSI solid state electrolyte sheets prepared in examples 1-2 of the present invention;
FIG. 4 is a graph showing the trend of the conductivity of TTF-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 production of the solid electrolyte material of the present invention.
Examples 1 to 1
Mixing tetrathiafulvalene (TTF) with Tetracyanoethylene (TCNE) and sodium hydroxide (NaOH) according to a molar ratio of 1: 0.5 heating and pressurizing at 150 ℃ to prepare the electron transfer complex TTF-TCNE-NaOH solid electrolyte material slab, as shown in figure 1. Electrochemical resistance tests were performed on the solid electrolyte sheet, and the results are shown in fig. 2. The calculated conductivity of the solid electrolyte is 5.0 gamma 10 -4 S/cm。
Examples 1 to 2
Hydroquinone (HQ) and tetrachlorobenzoquinone (CL)) And lithium bistrifluoromethanesulfonimide (LiTFSI) in a molar ratio of 1: 0.92: 0.92 heating and pressurizing at 180 ℃ to prepare the HQ-CL-LiTFSI solid electrolyte material thick sheet of the electron transfer complex. Electrochemical resistance tests were performed on the solid electrolyte sheet, and the results are shown in fig. 3. The calculated conductivity of the solid electrolyte is 1.3 gamma 10 -3 S/cm。
Examples 1 to 3
Hydroquinone (HQ), dichlorodicyanobenzoquinone (DDQ) and magnesium chloride (MgCl) 2 ) According to a molar ratio of 1: 0.9: 1.3 preparation of electron transfer complex HQ-DDQ-MgCl by heating and pressurizing at 180 DEG C 2 A thick sheet of solid electrolyte material. Performing electrochemical impedance test on the solid electrolyte sheet, wherein the conductivity of the solid electrolyte is tested to be 8 x 10 -4 S/cm。
Examples 1 to 4
Mixing tetrathiafulvalene (TTF), dichlorodicyanobenzoquinone (DDQ) and 1mol/L lithium perchlorate (LiClO) 4 ) In a molar ratio of 1: 0.92: 0.9 mixing, heating at 150 deg.C to prepare TTF-DDQ-LiClO as electron transfer complex 4 . The obtained solid powder was pressurized to prepare a solid electrolyte slab. Measuring the conductivity of the solid electrolyte at 4 gamma 10 - 4 S/cm。
Examples 1 to 5
Hydroquinone (HQ) and a solution of tetracyano-p-xylylenequinone (TCNQ) and 1mol/L lithium bistrifluoromethylsulfonylimide (LiTFSI) in ethyl methyl carbonate in a molar ratio of 1: 0.92: 0.9 heating at 150 deg.C to prepare the electron transfer complex HQ-TCNQ-LiTFSI. The obtained solid powder is pressurized to prepare a solid electrolyte thick sheet, and a solid electrolyte is prepared. Measuring the conductivity of the solid electrolyte at 4 gamma 10 -4 S/cm。
Examples 1 to 6
Mixing tetrathiafulvalene (TTF) and Tetracyanoethylene (TCNE) according to a molar ratio of 1:1, mixing the mixture with sodium hydroxide in different proportions, and heating at 150 ℃ to prepare TTF-TCNE-NaOH serving as an electron transfer complex in 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: examples and comparative examples solid electrolyte Membrane parameters
| Serial number | Thickness (μm) | Resistance (omega) | Electrical conductivity (10) -3 S/cm) |
| Examples 1 to 1 | 382 | 77 | 0.5 |
| Examples 1 to 2 | 251 | 18.9 | 1.3 |
| Examples 1 to 3 | 245 | 31 | 0.8 |
| Examples 1 to 4 | 525 | 134 | 0.4 |
| Examples 1 to 5 | 204 | 214 | 0.1 |
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。
2. The solid state electrolyte of claim 1, wherein the electron transfer complex comprises greater than 40% by volume.
3. Solid-state electrolyte according to claim 2, characterized in that the electron transfer complex is formed by at least one electron donor molecule and at least one electron acceptor molecule, has a melting point of more than 120 ℃ and an electron conductivity at room temperature of less than 1 x 10 -8 S/cm。
4. Solid-state electrolyte according to claim 3, characterized in that the molecules of the electron donor of at least one electron transfer complex have a conjugated structure and have pi electrons that can be delocalized, preferably a structure with a benzene ring or a heterocycle, the heteroatom can be nitrogen, sulfur, oxygen or boron, the molecular weight of the electron donor being higher than 100 g/mol.
5. The solid-state electrolyte of claim 3, wherein the electron affinity of the electron acceptor molecule is greater than 1.3 eV.
6. The solid electrolyte of claim 3, wherein the electron acceptor molecules and the electron donor molecules have a binding energy of less than 1.0 eV.
7. The solid-state electrolyte of claim 3, wherein each electron donor molecule forms an electron transfer complex with at least one electron acceptor molecule.
8. 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.
9. The solid-state electrolyte of claim 1, wherein the molar ratio of ion source to electron transfer complex acceptor in the solid-state electrolyte is 0.1: 1-3: 1; preferably, the ratio is 0.9: 1-1.1: 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 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 the solid-state electrolyte of claims 1-9 for the preparation of an electrochemical device.
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| CN202110216165.2A CN114976213A (en) | 2021-02-26 | 2021-02-26 | Solid electrolyte and preparation method and application thereof |
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| CN202110216165.2A CN114976213A (en) | 2021-02-26 | 2021-02-26 | Solid electrolyte and preparation method and application thereof |
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| CN202110216165.2A Withdrawn CN114976213A (en) | 2021-02-26 | 2021-02-26 | Solid electrolyte and preparation method and application thereof |
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- 2021-02-26 CN CN202110216165.2A patent/CN114976213A/en not_active Withdrawn
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