CN115172671A - Composite positive pole piece for sodium ion secondary battery and sodium ion battery - Google Patents
Composite positive pole piece for sodium ion secondary battery and sodium ion battery Download PDFInfo
- Publication number
- CN115172671A CN115172671A CN202210731443.2A CN202210731443A CN115172671A CN 115172671 A CN115172671 A CN 115172671A CN 202210731443 A CN202210731443 A CN 202210731443A CN 115172671 A CN115172671 A CN 115172671A
- Authority
- CN
- China
- Prior art keywords
- sodium
- positive electrode
- secondary battery
- ion secondary
- pole piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001415 sodium ion Inorganic materials 0.000 title claims abstract description 72
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000000463 material Substances 0.000 claims abstract description 43
- 150000001875 compounds Chemical class 0.000 claims abstract description 29
- 229910052742 iron Inorganic materials 0.000 claims abstract description 28
- 239000007774 positive electrode material Substances 0.000 claims abstract description 26
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 229920000447 polyanionic polymer Polymers 0.000 claims abstract description 23
- 229910000314 transition metal oxide Inorganic materials 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 239000010405 anode material Substances 0.000 claims abstract description 8
- 239000002356 single layer Substances 0.000 claims abstract description 3
- 239000011734 sodium Substances 0.000 claims description 33
- 229960003351 prussian blue Drugs 0.000 claims description 18
- 239000013225 prussian blue Substances 0.000 claims description 18
- -1 prussian blue compound Chemical class 0.000 claims description 17
- 229910052708 sodium Inorganic materials 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 6
- 239000002482 conductive additive Substances 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 4
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 claims description 4
- 229940063834 carboxymethylcellulose sodium Drugs 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 239000006258 conductive agent Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000006230 acetylene black Substances 0.000 claims description 2
- 238000007605 air drying Methods 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 239000003575 carbonaceous material Substances 0.000 claims description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 229910021389 graphene Inorganic materials 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000007650 screen-printing Methods 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical class [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 abstract description 7
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 239000010406 cathode material Substances 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 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 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- 238000007086 side reaction Methods 0.000 description 5
- 235000011180 diphosphates Nutrition 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 235000021317 phosphate Nutrition 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 2
- 229940032958 ferric phosphate Drugs 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- XWQGIDJIEPIQBD-UHFFFAOYSA-J sodium;iron(3+);phosphonato phosphate Chemical compound [Na+].[Fe+3].[O-]P([O-])(=O)OP([O-])([O-])=O XWQGIDJIEPIQBD-UHFFFAOYSA-J 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Numbering | Capacity retention (%) |
S1 | 88.9 |
S2 | 90.0 |
S3 | 85.7 |
S4 | 89.3 |
S5 | 89.5 |
S6 | 87.1 |
S7 | 88.9 |
D1 | 72.1 |
D2 | 86.2 |
D3 | 78.2 |
D4 | 73.2 |
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210731443.2A CN115172671A (en) | 2022-06-24 | 2022-06-24 | Composite positive pole piece for sodium ion secondary battery and sodium ion battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210731443.2A CN115172671A (en) | 2022-06-24 | 2022-06-24 | Composite positive pole piece for sodium ion secondary battery and sodium ion battery |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115172671A true CN115172671A (en) | 2022-10-11 |
Family
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Family Applications (1)
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CN202210731443.2A Pending CN115172671A (en) | 2022-06-24 | 2022-06-24 | Composite positive pole piece for sodium ion secondary battery and sodium ion battery |
Country Status (1)
Country | Link |
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CN (1) | CN115172671A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116344772A (en) * | 2023-04-18 | 2023-06-27 | 广东广钠新材科技有限公司 | Spherical ferric sodium pyrophosphate positive electrode material and preparation method thereof |
CN116845236A (en) * | 2023-09-01 | 2023-10-03 | 北京禾电科技有限责任公司 | Polyanionic sodium ion battery positive electrode material, preparation method and application |
CN116885197A (en) * | 2023-09-07 | 2023-10-13 | 四川易纳能新能源科技有限公司 | Positive electrode plate, preparation method thereof and sodium ion battery |
CN117293302A (en) * | 2023-11-24 | 2023-12-26 | 山东海化集团有限公司 | Composite positive electrode material of sodium ion battery and preparation method thereof |
WO2024113407A1 (en) * | 2022-11-29 | 2024-06-06 | 江苏中兴派能电池有限公司 | Positive electrode sheet, preparation method therefor, and sodium-ion battery |
WO2024152630A1 (en) * | 2023-01-16 | 2024-07-25 | 宁德时代新能源科技股份有限公司 | Positive electrode active material and preparation method therefor, secondary battery, battery module, battery pack and electric device |
WO2024152637A1 (en) * | 2023-01-16 | 2024-07-25 | 宁德时代新能源科技股份有限公司 | Positive electrode active material and preparation method therefor, secondary battery, battery module, battery pack and electric device |
-
2022
- 2022-06-24 CN CN202210731443.2A patent/CN115172671A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024113407A1 (en) * | 2022-11-29 | 2024-06-06 | 江苏中兴派能电池有限公司 | Positive electrode sheet, preparation method therefor, and sodium-ion battery |
WO2024152630A1 (en) * | 2023-01-16 | 2024-07-25 | 宁德时代新能源科技股份有限公司 | Positive electrode active material and preparation method therefor, secondary battery, battery module, battery pack and electric device |
WO2024152637A1 (en) * | 2023-01-16 | 2024-07-25 | 宁德时代新能源科技股份有限公司 | Positive electrode active material and preparation method therefor, secondary battery, battery module, battery pack and electric device |
CN116344772A (en) * | 2023-04-18 | 2023-06-27 | 广东广钠新材科技有限公司 | Spherical ferric sodium pyrophosphate positive electrode material and preparation method thereof |
CN116344772B (en) * | 2023-04-18 | 2024-05-17 | 广东广钠新材科技有限公司 | Spherical ferric sodium pyrophosphate positive electrode material and preparation method thereof |
CN116845236A (en) * | 2023-09-01 | 2023-10-03 | 北京禾电科技有限责任公司 | Polyanionic sodium ion battery positive electrode material, preparation method and application |
CN116845236B (en) * | 2023-09-01 | 2024-01-26 | 北京禾电科技有限责任公司 | Polyanionic sodium ion battery positive electrode material, preparation method and application |
CN116885197A (en) * | 2023-09-07 | 2023-10-13 | 四川易纳能新能源科技有限公司 | Positive electrode plate, preparation method thereof and sodium ion battery |
CN117293302A (en) * | 2023-11-24 | 2023-12-26 | 山东海化集团有限公司 | Composite positive electrode material of sodium ion battery and preparation method thereof |
CN117293302B (en) * | 2023-11-24 | 2024-06-07 | 山东海化集团有限公司 | Composite positive electrode material of sodium ion battery and preparation method thereof |
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