CN105390295A - Lithium-ion capacitor, and negative material and negative electrode plate thereof - Google Patents
Lithium-ion capacitor, and negative material and negative electrode plate thereof Download PDFInfo
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- CN105390295A CN105390295A CN201510960255.7A CN201510960255A CN105390295A CN 105390295 A CN105390295 A CN 105390295A CN 201510960255 A CN201510960255 A CN 201510960255A CN 105390295 A CN105390295 A CN 105390295A
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- Prior art keywords
- lithium
- ion capacitor
- negative
- negative material
- black phosphorus
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- 239000003990 capacitor Substances 0.000 title claims abstract description 35
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 title claims abstract description 35
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 24
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 10
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 10
- 239000003792 electrolyte Substances 0.000 claims description 15
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 12
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000003610 charcoal Substances 0.000 claims description 7
- 239000011889 copper foil Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000005030 aluminium foil Substances 0.000 claims description 5
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 claims description 2
- 241000234282 Allium Species 0.000 claims description 2
- 235000002732 Allium cepa var. cepa Nutrition 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 2
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000004743 Polypropylene Substances 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
- 239000007788 liquid Substances 0.000 claims description 2
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 229910002804 graphite Inorganic materials 0.000 abstract description 6
- 239000010439 graphite Substances 0.000 abstract description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009831 deintercalation Methods 0.000 abstract description 2
- 230000002687 intercalation Effects 0.000 abstract description 2
- 238000009830 intercalation Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 229910021385 hard carbon Inorganic materials 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 239000003575 carbonaceous material Substances 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000005486 organic electrolyte Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- PPPKZBCCLMQHSN-UHFFFAOYSA-N [Co++].[Ni++].[O-][Mn]([O-])(=O)=O.[O-][Mn]([O-])(=O)=O Chemical compound [Co++].[Ni++].[O-][Mn]([O-])(=O)=O.[O-][Mn]([O-])(=O)=O PPPKZBCCLMQHSN-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/04—Hybrid capacitors
- H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/50—Electrodes characterised by their material specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
-
- 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
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention relates to a lithium-ion capacitor, and a negative material and a negative electrode plate thereof. The negative material comprises the following components in percentage by weight: 80wt.% to 90wt.% of black phosphorus, graphene and the balance of an assistant, wherein the weight of the graphene is 1/10 to 1/20; and the negative electrode plate is prepared by coating the surface of a current collector with the negative material and then drying the negative material. The prepared negative electrode plate can be used as a negative electrode of the lithium-ion capacitor. The characteristics that the black phosphorus is high in specific capacity and high in lithium ion intercalation/deintercalation speed are fully utilized; and meanwhile, the advantages that the graphene is good in conductivity and the rate capability can be greatly improved are also utilized, so that a black phosphorus lithium-ion super capacitor is prepared. Compared with an existing product employing graphite, hard carbon or lithium titanate as the negative electrode, the super capacitor fabricated by the method is high in specific capacity, good in rate capability and low in internal resistance; and the method is an effective method for preparing a high-performance super capacitor.
Description
[technical field]
The present invention relates to a kind of capacitor and negative material, be specifically related to a kind of lithium-ion capacitor and negative material, cathode pole piece.
[background technology]
After the industrial revolution, grow with each passing day to the consumption of fossil energy, its environmental problem brought is increasingly severe, more and more deep the recognizing of people, and energy savings and protection of the environment have become the distinctest contemporary two principal themes.Chemical power source is high with its energy utilization rate, environmental pollution is little and be subject to extensive concern.Wherein, lithium ion battery has the advantages such as high output voltage, height ratio capacity, long circulation life, wide Applicable temperature, memory-less effect with it becomes the chemical power source obtaining in recent years and at utmost develop.But due to the restriction of li-ion electrode materials body phase reaction, there is the defect that slow, the large multiplying power discharging property difference of charge-discharge velocity etc. is difficult to avoid in conventional lithium ion battery.And ultracapacitor just has the deficiency that the plurality of advantages such as high magnification, long-life, high security make up lithium battery.Especially, lithium-ion capacitor combines the characteristic of lithium battery and electric double layer capacitance, having larger energy density concurrently when ensureing high-power output, being development fixed line public transport, rail hands over and the first-selection of the pure electronic or hybrid-electric car of the vista car, Caddy etc. of short range.
The development of device be unable to do without the support of material.Conventional positive electrode mainly contains the nickel cobalt manganate of lithium, absorbent charcoal based Carbon Materials, and negative pole is generally the stratified material that graphite, hard charcoal etc. have the electronegative potential relatively such as the Carbon Materials of low intercalation potential and lithium titanate.But these materials mostly exist the problems such as capacity is low, room for promotion is little at present, seek and develop new positive pole and negative material is significant for the performance of boost device.
The discovery of black phosphorus storage lithium is the another large practical application of the periodic law of elements.Phosphorus, as the diagonal element of carbon, has four kinds of allotropes, wherein, the most stable under black phosphorus normal temperature, and its chemical constitution is similar to graphite and has larger interlamellar spacing, can conduct electricity, and has and lithium performance embedding like graphite-phase.But black phosphorus is embedding three lithiums of phosphorus, form Li
3p-structure, with the LiC of graphite
6embedding lithium structure has obvious difference, and therefore black phosphorus has the theoretical capacity (2596mAh/g) higher than graphite.In addition, the lithium ion that exists for of special fold layer structure provides a two-dimentional deintercalation passage, makes the migration of lithium ion in black phosphorus easier.These properties of black phosphorus are especially applicable to high-power high-capacity electrochemical device, can think the desirable negative material of power lithium-ion battery and ultracapacitor.
[summary of the invention]
The object of the present invention is to provide a kind of black phosphorus as the negative material of the lithium-ion capacitor of main active substances, and the lithium-ion capacitor containing this negative material.
To achieve these goals, invent a kind of negative material of lithium-ion capacitor, comprise the Graphene that the black phosphorus, the quality that account for gross mass 80-90wt.% are black phosphorus 1/10 ~ 1/20, all the other are auxiliary agent.
This negative material also has following prioritization scheme:
Described auxiliary agent is adhesive and solvent.
Described black phosphorus is the pure material of orthorhombic phase.
The ratio of described black phosphorus shared by negative material is 85-88wt.%.
The present invention also comprises a kind of cathode pole piece of lithium-ion capacitor, by dry obtained after the above-mentioned arbitrary described negative material of collection liquid surface coating.
The present invention have also been devised a kind of lithium-ion capacitor, and its negative pole is prepared by above-mentioned negative material.
Further, the positive pole use material of this lithium-ion capacitor comprises one or more in active carbon, porous charcoal, onion charcoal, Graphene, carbon nano-tube, carbon fiber.Be preferably active carbon, specific surface is 1600-2200m
2/ g.
Electrolyte in the electrolyte of this lithium-ion capacitor is lithium hexafluoro phosphate LiPF
6, LiBF4 LiBF
4middle one or mixture, the solvent in electrolyte is the mixture of ethylene carbonate EC and dimethyl carbonate DMC, and DMC proportion is 50-80vol.%.
The barrier film of this lithium-ion capacitor is the one in the diaphragm material of paper barrier film, polypropylene diaphragm, coating on both sides aluminium oxide.
The collector of the positive pole of this lithium-ion capacitor is aluminium foil, the collector of negative pole is Copper Foil.Be preferably utter misery aluminium foil and porous copper foil with double rough surface.
It is large that the present invention takes full advantage of black phosphorus specific capacity, embeds and deviate from the fast feature of lithium ion speed, utilizing again graphene conductive advantage that is good, that greatly can promote high rate performance to prepare black phosphorus lithium ion super capacitor simultaneously.The ultracapacitor made by method described above with existing negative pole be graphite, the product of hard charcoal, lithium titanate etc. compares, device specific capacity is large, good rate capability, internal resistance are low, is a kind of effective ways preparing high-performance super capacitor.
[embodiment]
Below, be described further for the present invention, embodiment is only not intended to limit the scope of the invention for explaining explanation in conjunction with the embodiments.
Embodiment 1
The preparation method of cathode pole piece is: the black phosphorus of 30g orthorhombic phase and 1.5g Graphene are placed in grinding in ball grinder, are filled with nitrogen protection in process of lapping in ball mill.Ball mill jointing temp sensing device, prevents the temperature of system in process of lapping higher than 120 DEG C; Solid phase powder after grinding, adhesive PVDF carry out proportioning with the mass ratio of 94/6, add appropriate solvent NMP and carry out fully mixing making coating solution with certain stir speed (S.S.); Coating solution is coated on porous copper foil collector and makes pole piece, and at 100 DEG C of forced air drying 24h, finally cut again and be prepared into required super capacitor anode pole piece.
Choose active carbon as positive electrode active materials, conductive agent is conductive black SP.The preparation technology of the current place company of preparation method's application reference people of anode pole piece.
Employing electrolyte is organic electrolyte, and electrolyte is LiPF
6, solvent is the mixture of EC and DMC, and the ratio of DMC shared by electrolyte solvent is 60%.
The barrier film adopted is the diaphragm material of coating on both sides aluminium oxide.
The plus plate current-collecting body adopted is utter misery aluminium foil, negative current collector is porous copper foil.
Each assembling parts such as above-mentioned positive plate, negative plate, barrier film are become super capacitor electric core, and injection electrolyte carries out encapsulation and prepares ultracapacitor monomer.
Embodiment 2
The preparation method of cathode pole piece is: the black phosphorus of 30g orthorhombic phase and 3g Graphene are placed in grinding in ball grinder, are filled with nitrogen protection in process of lapping in ball mill.Ball mill jointing temp sensing device, prevents the temperature of system in process of lapping higher than 120 DEG C; Solid phase powder after grinding, adhesive PVDF carry out proportioning with the mass ratio of 94/6, add appropriate solvent NMP and carry out fully mixing making coating solution with certain stir speed (S.S.); Coating solution is coated on porous copper foil collector and makes pole piece, and at 100 DEG C of forced air drying 24h, finally cut again and be prepared into required super capacitor anode pole piece.
Choose active carbon as positive electrode active materials, conductive agent is conductive black SP.The preparation technology of the current place company of preparation method's application reference people of anode pole piece.
Employing electrolyte is organic electrolyte, and electrolyte is LiPF
6, solvent is the mixture of EC and DMC, and the ratio of DMC shared by electrolyte solvent is 60%.
The barrier film adopted is the diaphragm material of coating on both sides aluminium oxide.
The plus plate current-collecting body adopted is utter misery aluminium foil, negative current collector is porous copper foil.
Each assembling parts such as above-mentioned positive plate, negative plate, barrier film are become super capacitor electric core, and injection electrolyte carries out encapsulation and prepares ultracapacitor monomer.
Claims (10)
1. a negative material for lithium-ion capacitor, it is characterized in that its composition comprises the Graphene that the black phosphorus, the quality that account for gross mass 80-90wt.% are black phosphorus 1/10 ~ 1/20, all the other are auxiliary agent.
2. the negative material of lithium-ion capacitor as claimed in claim 1, is characterized in that described auxiliary agent is adhesive and solvent.
3. the negative material of lithium-ion capacitor as claimed in claim 1, is characterized in that described black phosphorus is the pure material of orthorhombic phase.
4. the negative material of lithium-ion capacitor as claimed in claim 1, is characterized in that the ratio shared by described black phosphorus is in negative material is 85-88wt.%.
5. a cathode pole piece for lithium-ion capacitor, is characterized in that by dry obtained after the arbitrary described negative material of collection liquid surface coating Claims 1 to 4.
6. a lithium-ion capacitor, comprises negative pole, it is characterized in that described negative pole is prepared by the arbitrary described negative material of Claims 1 to 4.
7. lithium-ion capacitor as claimed in claim 6, characterized by further comprising positive pole, positive pole use material to comprise in active carbon, porous charcoal, onion charcoal, Graphene, carbon nano-tube, carbon fiber one or more.
8. lithium-ion capacitor as claimed in claim 6, characterized by further comprising electrolyte, the electrolyte in electrolyte is lithium hexafluoro phosphate LiPF
6, LiBF4 LiBF
4middle one or mixture, the solvent in electrolyte is the mixture of ethylene carbonate EC and dimethyl carbonate DMC, and DMC proportion is 50-80vol.%.
9. lithium-ion capacitor as claimed in claim 6, characterized by further comprising barrier film, barrier film is the one in the diaphragm material of paper barrier film, polypropylene diaphragm, coating on both sides aluminium oxide.
10. lithium-ion capacitor as claimed in claim 6, characterized by further comprising collector, the collector of positive pole is utter misery aluminium foil, the collector of negative pole is porous copper foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960255.7A CN105390295A (en) | 2015-12-18 | 2015-12-18 | Lithium-ion capacitor, and negative material and negative electrode plate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510960255.7A CN105390295A (en) | 2015-12-18 | 2015-12-18 | Lithium-ion capacitor, and negative material and negative electrode plate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105390295A true CN105390295A (en) | 2016-03-09 |
Family
ID=55422469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510960255.7A Pending CN105390295A (en) | 2015-12-18 | 2015-12-18 | Lithium-ion capacitor, and negative material and negative electrode plate thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105390295A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098399A (en) * | 2016-05-26 | 2016-11-09 | 北京石油化工学院 | Combination electrode, ultracapacitor and preparation method thereof |
| CN106784649A (en) * | 2016-11-10 | 2017-05-31 | 苏州铅笔芯碳材料有限公司 | A kind of composite negative electrode material of lithium ion battery and preparation method thereof |
| CN108493005A (en) * | 2018-01-22 | 2018-09-04 | 江苏集盛星泰新能源科技有限公司 | A kind of preparation method of lithium-ion capacitor |
| CN113725425A (en) * | 2021-08-27 | 2021-11-30 | 昆明理工大学 | High-safety and high-performance battery negative electrode material |
| CN114804093A (en) * | 2022-05-30 | 2022-07-29 | 乌海宝杰新能源材料有限公司 | Novel black phosphorus graphite composite negative electrode material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106098399A (en) * | 2016-05-26 | 2016-11-09 | 北京石油化工学院 | Combination electrode, ultracapacitor and preparation method thereof |
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| CN114804093A (en) * | 2022-05-30 | 2022-07-29 | 乌海宝杰新能源材料有限公司 | Novel black phosphorus graphite composite negative electrode material and preparation method thereof |
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