CN104701024A - Hybrid type super capacitor - Google Patents

Hybrid type super capacitor Download PDF

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Publication number
CN104701024A
CN104701024A CN201410841836.4A CN201410841836A CN104701024A CN 104701024 A CN104701024 A CN 104701024A CN 201410841836 A CN201410841836 A CN 201410841836A CN 104701024 A CN104701024 A CN 104701024A
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China
Prior art keywords
super capacitor
pole piece
hybrid super
capacitor according
anode
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Pending
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CN201410841836.4A
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Chinese (zh)
Inventor
阮殿波
杨斌
傅冠生
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NINGBO NANCHE NEW ENERGY TECHNOLOGY Co Ltd
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NINGBO NANCHE NEW ENERGY TECHNOLOGY Co Ltd
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Priority to CN201410841836.4A priority Critical patent/CN104701024A/en
Publication of CN104701024A publication Critical patent/CN104701024A/en
Priority to DE202015104572.7U priority patent/DE202015104572U1/en
Priority to PCT/CN2015/091541 priority patent/WO2016107239A1/en
Priority to DE102015122890.4A priority patent/DE102015122890A1/en
Pending legal-status Critical Current

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    • 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
    • H01G11/38—Carbon pastes or blends; Binders or additives therein
    • 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
    • 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
    • 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
    • H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
    • 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
    • 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
    • H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • 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
    • H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
    • H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for 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
    • H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
    • 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
    • H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

The invention discloses a hybrid type super capacitor. The hybrid type super capacitor comprises an anode aluminum foil sheet, a cathode aluminum foil sheet, an electrolyte solution and a separating film; anode materials are coated on the front surface and the rear surface of the anode aluminum foil sheet; cathode materials are coated on the front surface and the rear surface of the cathode aluminum foil sheet; the anode material is prepared by mixing the following components in percentage by mass: 85 to 92% of activated carbon, 4 to 10% of conductive agent, 1 to 2% of dispersing agent, and 3 to 10% of adhesive; the cathode material is prepared by mixing the following components in percentage by mass: 80 to 92% of lithium titanate/ graphene composite material, 4 to 10% of conductive agent, and 4 to 10% of adhesive. The hybrid type super capacitor has the characteristics of being quick to charge and discharge, high in specific energy, high in capacity, and high in circulating stability.

Description

A kind of hybrid super capacitor
Technical field
The present invention relates to a kind of capacitor, particularly a kind of hybrid super capacitor.
Background technology
As a kind of novel energy storage device, ultracapacitor is because of its outstanding behaviours in power density, high current charge-discharge and long-term service life cycle etc., become one of the cutting edge technology of national great scientific and technical innovation, new energy field, more be formulated into " national medium-term and long-term scientific development and technical development plan outline " (2002-2020), there is very important strategic importance and realistic meaning.Current business-like ultracapacitor is mainly based on the charcoal-charcoal double electric layer capacitor of " electric double layer energy storage mechnism ", although this series capacitors has outstanding performance in power density and service life cycle, the shortcoming that energy density is on the low side but limits its extensive use.For this reason, a large amount of researchers start to inquire in conjunction with lithium ion battery electrode material thus under the prerequisite of guaranteed output density the energy density of remarkable improving product, as lithium-ion capacitor.In numerous negative material, spinel type lithium titanate because there is " zero strain ", specific capacity is large, efficiency for charge-discharge is high, anti-over-charging performance is good, fail safe advantages of higher, make it become a kind of novel battery capacitance material of excellent performance, be with a wide range of applications at power-type lithium ion battery and ultracapacitor field.But, be limited by the On The Choice of suitable positive and negative electrode material, the research and apply of this novel hybrid super capacitor received and limits significantly.
Summary of the invention
The object of the present invention is to provide a kind of hybrid super capacitor, have energy fast charging and discharging, the feature of high-energy-density, its capacity is higher, cyclical stability is longer.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of hybrid super capacitor, comprise positive pole aluminium foil sheet, negative pole aluminium foil, electrolyte and barrier film, described positive pole aluminium foil sheet tow sides are all coated with positive electrode, described negative pole aluminium foil tow sides are all coated with negative material, and described positive electrode is mixed by the component of following mass percent: the active carbon of 85-92%, the conductive agent of 4-10%, the dispersant of 1-2% and the binding agent of 3-10%; Described negative material is mixed by the component of following mass percent: the lithium titanate/graphene composite material of 80-92%, the conductive agent of 4-10% and the binding agent of 4-10%.
As preferably, the specific area of described active carbon is greater than 1500m 2/ g, surface functional group content is at below 0.5meq/g, and average grain diameter is at 8-10 μm.The object controlling these parameters of active carbon is ensureing capacitor anode capacity while, reduce the electrode density of the leakage current of capacitor, raising absorbent charcoal material.As preferably, the active carbon that described active carbon is is presoma with coconut husk or needle coke.
As preferably, in described lithium titanate/graphene composite material, Graphene addition is the 5-25% of lithium titanate.Such conductivity that can ensure raising composite material while capacity in negative material, excessive Graphene is unfavorable for the preparation of lithium titanate electrode material.
As preferably, described conductive agent is one or more in conductive black, carbon nano-tube, Graphene.As preferably, described binding agent is one or more in Kynoar, butadiene-styrene rubber, polytetrafluoroethylene.
As preferably, described dispersant is sodium cellulose glycolate or sodium alginate.
As preferably, the viscosity of described sodium cellulose glycolate is less than 300cps.So easy realization is to the dispersion of carbon black, active material, and when viscosity is too high, the easy heat production of whipping process finally destroys the structure of binding agent.Preparation method's step of the present invention is:
(1) active carbon, conductive agent, dispersant and binding agent are added in deionized water, anode sizing agent is formed after vacuum high-speed stirred, anode sizing agent is uniformly coated on the tow sides of positive pole aluminium foil sheet, drying, roll, die-cut rear acquisition anode pole piece;
(2) lithium titanate/graphene composite material, conductive agent and binding agent are added in 1-METHYLPYRROLIDONE, cathode size is formed after vacuum high-speed stirred, cathode size is uniformly coated on the tow sides of negative pole aluminium foil, drying, roll, die-cut rear acquisition cathode pole piece;
(3) obtain battery core after anode pole piece, barrier film and cathode pole piece combination lamination, battery core is placed in shell, injects electrolyte, after encapsulation, obtain hybrid super capacitor.
As preferably, anode pole piece thickness is 120-250 μm, and cathode pole piece thickness is 50-90 μm.
As preferably, in described core strueture, the active substance charcoal of anode pole piece: the mass ratio of the active material lithium titanate/graphene composite material of cathode pole piece is that 2-8:1 (can not give full play to the theoretical capacity of negative material when positive active material content is too low, then easily cause pole piece blocked up during positive active material too high levels, finally affect the cyclical stability of product).The active substance charcoal of preferred anode pole piece: the mass ratio of the active material lithium titanate/graphene composite material of cathode pole piece is 3-5:1.
The invention has the beneficial effects as follows: by optimizing choosing of different positive and negative electrode material, thus the novel hybrid super capacitor that the capacity of acquisition is higher, cyclical stability is longer.
Accompanying drawing explanation
Fig. 1 is the Ragone figure of power density of the present invention and energy density.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
In the present invention, if not refer in particular to, the raw material adopted and equipment etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the conventional method of this area.
Positive electrode active materials (active carbon used in the present invention, commercially available) specifications and models are: AC-1, AC-2, AC-3, AC-4, and negative active core-shell material (lithium titanate/graphene composite material, preparation method is see content disclosed in CN102569769B patent of invention) specifications and models are: LTO-1, LTO-2, LTO-3, LTO-4, the performance parameter index of concrete material as shown in Table 1 and Table 2.
Table 1: anode activated charcoal Specifeca tion speeification
Table 2: negative pole lithium titanate/graphene composite material Specifeca tion speeification
Embodiment 1
Preparation process of the present invention is as follows:
(1) active carbon (AC-1) 89kg, conductive agent (Super P) 5kg, binding agent (SBR) 5kg and dispersant (CMC) 1kg is taken, take deionized water as solvent, successively dispersant, conductive agent, active carbon and binding agent are added in the vacuum high speed grout mixer of 10L, with the speed of 3500rpm, mixture is carried out vacuum high-speed stirred 4-6h, regulate the viscosity of slurry during this period by adding deionized water, and the solid content controlling slurry obtains anode sizing agent between 20-40%.The mode of continuous coating machine is adopted by anode sizing agent to be coated on the tow sides of positive pole aluminium foil sheet (etched foil) uniformly, coating process pole piece THICKNESS CONTROL is 260 μm, baking temperature is 110 DEG C, application rate is 5m/min, continuous roller is adopted by dried electrode to roll under the compaction speed condition of the pressure of 40t, 5m/min, roll rear electrode THICKNESS CONTROL at 240 μm, and above-mentioned electrode is die-cut into the anode pole piece of (50-60) mm* (70-80) mm.
(2) lithium titanate/graphene composite material (LTO-1) 90kg is taken, conductive agent (Super P) 5kg, binding agent (PVDF) 5kg, be sequentially added in 1-METHYLPYRROLIDONE solution successively, the viscosity of slurry and solid content is made to maintain 5000cps and 60% respectively by the addition controlling solvent, under the condition of vacuum, 3500rpm, stir 4-6h by vacuum homogenizer, obtain cathode size.Adopted by cathode size the mode of two-sided continuous coating to be coated on negative pole aluminium foil (etched foil), coating thickness, application rate and baking temperature maintain 90 μm, 5m/min and 130 DEG C respectively.By above-mentioned electrode through rolling, die-cut after can obtain cathode pole piece, wherein roll and prepare identical with die-cut condition and positive pole, cathode pole piece THICKNESS CONTROL is at about 65 μm.
(3) " arcuate " lamination process is adopted to build up the battery core of 75*55*6.2mm above-mentioned positive and negative electrode pole piece, PP/PE/PP type laminated diaphragm (Celgard company of U.S. product), wherein the lug of 10 positive plates pools together aluminium pole ears in ultra-sonic welded, the lug of 10 cathode pole pieces pools together aluminium pole ears in ultra-sonic welded, lug spacing is 15mm, meets the active substance charcoal of anode pole piece: the mass ratio of the active material lithium titanate/graphene composite material of cathode pole piece is 2-8:1 after core strueture assembling.
By battery core at 65 DEG C, vacuumize 24h under the condition of-0.1MPa, being cooled to after room temperature until battery core puts it in aluminum plastic film outer packaging bag, hot-seal is carried out by comprising lug three limits on one side, and then from remaining while carry out the injection of electrolyte (LiPF6 solution, the EC of solvent to be volume ratio be 1:1:1, the mixture of DEC and DMC), the injection rate of electrolyte is 40g, finally inlet is carried out a heat-seal.
By capacitor, on Land charge-discharge test instrument, (Wuhan China in morning produces, model is BT2013C) carry out 2.7V/50mA (CC/CC) change into test, namely obtain whole ultracapacitor after then this capacitor being carried out secondary encapsulation, cutting edge Shape correction.Follow-up high rate performance measuring current density is respectively 100,200,500,1000,2000,5000mA/g.This capacitor has the energy density of 41.65Wh/kg under 100mA/g condition.The Ragone figure of product power density of the present invention and energy density is shown in Fig. 1.
Embodiment 2
The present embodiment difference from Example 1 is:
Positive electrode is filled a prescription: active carbon (AC-2) 85kg, conductive agent (Super P) 4kg, binding agent (PVDF+PTFE according to the quality of 1:1 than mixture) 10kg and dispersant (CMC, viscosity is less than 300cps) 1kg.
Negative material is filled a prescription: lithium titanate/graphene composite material (LTO-2) 80kg, conductive agent (Super P) 10kg, binding agent (PVDF+PTFE according to the quality of 1:1 than mixture) 10kg.
The other the same as in Example 1.
This capacitor has the energy density of 38.65Wh/kg under 100mA/g condition.
Embodiment 3
The present embodiment difference from Example 1 is:
Positive electrode is filled a prescription: active carbon (AC-3) 92kg, conductive agent (Super P) 4kg, binding agent (SBR) 3kg and dispersant (CMC) 1kg.
Negative material is filled a prescription: lithium titanate/graphene composite material (LTO-3) 92kg, conductive agent (Super P) 4kg, binding agent (PVDF) 4kg.
The other the same as in Example 1.
This capacitor has the energy density of 43.33Wh/kg under 100mA/g condition.
Embodiment 4
The present embodiment difference from Example 1 is:
Positive electrode is filled a prescription: active carbon (AC-4) 85kg, conductive agent (Super P+ carbon nano-tube according to the quality of 1:1 than mixture) 10kg, binding agent (SBR) 3kg and dispersant (CMC) 2kg.
Negative material is filled a prescription: lithium titanate/graphene composite material (LTO-4) 85kg, conductive agent (Super P) 7kg, binding agent (PVDF) 8kg.
The other the same as in Example 1.
This capacitor has the energy density of 40.65Wh/kg under 100mA/g condition.
One aspect of the present invention, by the active carbon of comparative analysis different model, selects the optimum activity Carbon Materials of applicable hybrid capacitors high-energy-density and high power density.On the other hand, by contrast different structure lithium titanate material, the lithium titanate material with high-specific-power performance is obtained.By adopting novel positive and negative electrode material, the energy density of capacitor and power density is made to reach 20Wh/kg and more than 2kW/kg respectively, far away higher than the 5-10Wh/kg of existing double electric layer capacitor.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.

Claims (10)

1. a hybrid super capacitor, comprise positive pole aluminium foil sheet, negative pole aluminium foil, electrolyte and barrier film, it is characterized in that: described positive pole aluminium foil sheet tow sides are all coated with positive electrode, described negative pole aluminium foil tow sides are all coated with negative material, and described positive electrode is mixed by the component of following mass percent: the active carbon of 85-92%, the conductive agent of 4-10%, the dispersant of 1-2% and the binding agent of 3-10%; Described negative material is mixed by the component of following mass percent: the lithium titanate/graphene composite material of 80-92%, the conductive agent of 4-10% and the binding agent of 4-10%.
2. a kind of hybrid super capacitor according to claim 1, is characterized in that: the specific area of described active carbon is greater than 1500m 2/ g, surface functional group content is at below 0.5meq/g, and average grain diameter is at 8-10 μm.
3. a kind of hybrid super capacitor according to claim 1, is characterized in that: in described lithium titanate/graphene composite material, Graphene addition is the 5-25% of lithium titanate.
4. a kind of hybrid super capacitor according to claim 1 or 2 or 3, is characterized in that: described conductive agent is one or more in conductive black, carbon nano-tube, Graphene.
5. a kind of hybrid super capacitor according to claim 1 or 2 or 3, is characterized in that: described binding agent is one or more in Kynoar, butadiene-styrene rubber, polytetrafluoroethylene.
6. a kind of hybrid super capacitor according to claim 1 or 2 or 3, is characterized in that: described dispersant is sodium cellulose glycolate or sodium alginate.
7. a kind of hybrid super capacitor according to claim 6, is characterized in that: the viscosity of described sodium cellulose glycolate is less than 300cps.
8. a kind of hybrid super capacitor according to claim 1 or 2 or 3, is characterized in that: its preparation methods steps is:
(1) active carbon, conductive agent, dispersant and binding agent are added in deionized water, anode sizing agent is formed after vacuum high-speed stirred, anode sizing agent is uniformly coated on the tow sides of positive pole aluminium foil sheet, drying, roll, die-cut rear acquisition anode pole piece;
(2) lithium titanate/graphene composite material, conductive agent and binding agent are added in 1-METHYLPYRROLIDONE, cathode size is formed after vacuum high-speed stirred, cathode size is uniformly coated on the tow sides of negative pole aluminium foil, drying, roll, die-cut rear acquisition cathode pole piece;
(3) obtain battery core after anode pole piece, barrier film and cathode pole piece combination lamination, battery core is placed in shell, injects electrolyte, after encapsulation, obtain hybrid super capacitor.
9. a kind of hybrid super capacitor according to claim 8, is characterized in that: anode pole piece thickness is 120-250 μm, and cathode pole piece thickness is 50-90 μm.
10. a kind of hybrid super capacitor according to claim 8, is characterized in that: in described core strueture, the active substance charcoal of anode pole piece: the mass ratio of the active material lithium titanate/graphene composite material of cathode pole piece is 2-8:1.
CN201410841836.4A 2014-12-29 2014-12-29 Hybrid type super capacitor Pending CN104701024A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201410841836.4A CN104701024A (en) 2014-12-29 2014-12-29 Hybrid type super capacitor
DE202015104572.7U DE202015104572U1 (en) 2014-12-29 2015-08-28 A hybrid supercapacitor
PCT/CN2015/091541 WO2016107239A1 (en) 2014-12-29 2015-10-09 Hybrid supercapacitor
DE102015122890.4A DE102015122890A1 (en) 2014-12-29 2015-12-29 Hybrid supercapacitor

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WO2016107239A1 (en) * 2014-12-29 2016-07-07 宁波南车新能源科技有限公司 Hybrid supercapacitor
CN106252097A (en) * 2016-07-28 2016-12-21 宁波中车新能源科技有限公司 A kind of (Li4ti5o12aC)/AC hybrid super capacitor
RU175936U1 (en) * 2017-05-31 2017-12-25 Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет" SUPERCAPACITOR
RU182720U1 (en) * 2018-01-24 2018-08-29 Федеральное государственное бюджетное учреждение науки Байкальский институт природопользования Сибирского отделения Российской академии наук (БИП СО РАН) HYBRID SUPERCAPACITOR
CN108963198A (en) * 2017-05-22 2018-12-07 动力专家有限公司 Anode, cathode, preparation method and the lithium ion battery including it
CN114203460A (en) * 2022-02-18 2022-03-18 天津普兰能源科技有限公司 Manufacturing method of capacitor electrode and manufacturing method of capacitor

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CN113270276B (en) * 2021-05-19 2022-09-20 河北科技大学 Preparation process of supercapacitor electrode
CN113257583B (en) * 2021-05-25 2023-02-14 江西理工大学 Li 3 V 2 O 5 -carbon nanotube composite material, preparation method thereof and application thereof in lithium ion hybrid capacitor
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