CN105977044A - Polyacrylonitrile enhanced composite electrode material with small self-discharge voltage attenuation and preparation method thereof - Google Patents
Polyacrylonitrile enhanced composite electrode material with small self-discharge voltage attenuation and preparation method thereof Download PDFInfo
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- CN105977044A CN105977044A CN201610213887.1A CN201610213887A CN105977044A CN 105977044 A CN105977044 A CN 105977044A CN 201610213887 A CN201610213887 A CN 201610213887A CN 105977044 A CN105977044 A CN 105977044A
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- polyacrylonitrile
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- 229920002239 polyacrylonitrile Polymers 0.000 title claims abstract description 23
- 239000007772 electrode material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000002131 composite material Substances 0.000 title abstract 2
- 239000012153 distilled water Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims abstract description 16
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 14
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011592 zinc chloride Substances 0.000 claims abstract description 8
- 235000005074 zinc chloride Nutrition 0.000 claims abstract description 8
- 229920002907 Guar gum Polymers 0.000 claims abstract description 7
- 239000004202 carbamide Substances 0.000 claims abstract description 7
- AXZAYXJCENRGIM-UHFFFAOYSA-J dipotassium;tetrabromoplatinum(2-) Chemical compound [K+].[K+].[Br-].[Br-].[Br-].[Br-].[Pt+2] AXZAYXJCENRGIM-UHFFFAOYSA-J 0.000 claims abstract description 7
- 239000000839 emulsion Substances 0.000 claims abstract description 7
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 7
- 239000010439 graphite Substances 0.000 claims abstract description 7
- 229960002154 guar gum Drugs 0.000 claims abstract description 7
- 235000010417 guar gum Nutrition 0.000 claims abstract description 7
- 239000000665 guar gum Substances 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 229910001487 potassium perchlorate Inorganic materials 0.000 claims abstract description 7
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 241000196324 Embryophyta Species 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 210000000582 semen Anatomy 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 9
- 239000003575 carbonaceous material Substances 0.000 claims description 7
- 238000003763 carbonization Methods 0.000 claims description 7
- 235000013877 carbamide Nutrition 0.000 claims description 6
- 239000011812 mixed powder Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000012065 filter cake Substances 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 125000000524 functional group Chemical group 0.000 abstract description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract description 2
- 244000280244 Luffa acutangula Species 0.000 abstract 1
- 235000009814 Luffa aegyptiaca Nutrition 0.000 abstract 1
- 241001571446 Scaphium scaphigerum Species 0.000 abstract 1
- -1 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 230000007704 transition Effects 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
- H01G11/22—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
- H01G11/84—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
-
- 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)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a polyacrylonitrile enhanced composite electrode material with small self-discharge voltage attenuation, which is prepared from the following raw materials in parts by weight: 60-63 parts of loofah, 37-40 parts of scaphium scaphigerum, an appropriate amount of distilled water, 39.5-40 parts of zinc chloride, 8-8.5 parts of lithium chloride, 15-17 parts of conductive graphite, 3-4 parts of urea, 6-7 parts of potassium perchlorate, 8-9 parts of polyacrylonitrile powder, 2-3 parts of guar gum, 8-9 parts of polytetrafluoroethylene emulsion and 0.4-0.5 part of hexadecyl trimethyl ammonium bromide. The polyacrylonitrile powder is prepared into carbonized powder through a series of processes and added into preparation of the electrode material, so that the specific surface area and the mesoporous rate are increased. Meanwhile, the surface wettability of the electrode material is improved by nitrogen-containing functional groups at the surface, so that the diffusion impedance is extremely small, leakage current and the self-discharge voltage attenuation rate are very small, and manufactured products have extremely high use values.
Description
Technical field
The present invention relates to electrode material technical field, particularly relate to little polyacrylonitrile enhancement mode combination electrode material of a kind of self discharge voltage attenuation and preparation method thereof.
Background technology
The transition of fossil energy is relied on and consumes and causes serious environmental problem and energy crisis by the mankind, and for realizing the development and utilization of the energy of sustainable development, new forms of energy and the research of novel energy device cause extensive concern.Ultracapacitor is class novel energy-storing device between traditional capacitor and battery, and compared with tradition energy storage device, it has higher energy density and power density, longer service life cycle, advantages of environment protection simultaneously.Along with the development of science and technology in recent years, ultracapacitor is gradually increased in the application trend of the aspects such as crane, fork truck, new-energy automobile, common electronic facility and factory's stand-by power supply.But, the electric conductivity of super capacitor material is poor, be related to ultracapacitor key property as the uneven problem common with electrolyte contacts face unstable properties etc. of Topical Dispersion.Electrode is to determine ultracapacitor performance most critical factor, therefore the research of electrode material always this field academia and the focus of industrial quarters.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that polyacrylonitrile enhancement mode combination electrode material that a kind of self discharge voltage attenuation is little and preparation method thereof.
The present invention is achieved by the following technical solutions:
The polyacrylonitrile enhancement mode combination electrode material that a kind of self discharge voltage attenuation is little, is prepared by the raw materials in: Retinervus Luffae Fructus 60-63, Semen Sterculiae Lychnophorae 37-40, distilled water are appropriate, zinc chloride 39.5-40, lithium chloride 8-8.5, electrically conductive graphite 15-17, carbamide 3-4, potassium perchlorate 6-7, polyacrylonitrile powder 8-9, guar gum 2-3, ptfe emulsion 8-9, cetyl trimethylammonium bromide 0.4-0.5.
According to ultracapacitor novel plant Quito pore carbon electrode material a kind of described in claims 1, following concrete grammar it is prepared from:
(1) by Retinervus Luffae Fructus under being passed through nitrogen protection, being warming up to 800 DEG C with the heating rate of 5 DEG C/min, insulation carbonization naturally cooled to room temperature after 1 hour, pulverized, and crossed 200 mesh sieves stand-by；Remove shell after Semen Sterculiae Lychnophorae is soaked in the distilled water of 5 times amount expansion and obtain Semen Sterculiae Lychnophorae suspension with crust, above-mentioned 200 mesh powder are added thereto, after stirring, add zinc chloride, lithium chloride, be spray-dried after ultrasonic 2 hours, obtain mixed-powder；
(2) mixed-powder is put in horizontal pipe furnace; under the protection being passed through nitrogen; it is incubated 2 hours at a temperature of 1000 DEG C; after being cooled to room temperature, product is put in the distilled water of 2 times amount and filter after ultrasonic 1.5 hours; the filter cake obtained is put in vacuum drying oven and dry, obtain plant base porous carbon material；
(3) polyacrylonitrile powder is put in air dry oven, after being warming up to 300 DEG C of oxidations 4 hours with the heating rate of 2 DEG C/min, then be warming up to 800 DEG C with the heating rate of 5 DEG C/min, carbonization 30 minutes, obtain polyacrylonitrile carbon powder stand-by；Potassium perchlorate is dissolved in same amount of distilled water, add carbamide, stir and mix with the guar gum being dissolved in 2 times amount distilled water after being completely dissolved, above-mentioned polyacrylonitrile carbon powder, electrically conductive graphite is added after stirring 30 minutes with the speed of 300 revs/min, put in mortar, grind 60 minutes, obtain mixed material；
(4) ptfe emulsion will add the distilled water of 5 times amount, stir and add, after being completely dispersed uniformly, the plant base porous carbon material that step (2) obtains, mixed material that step (3) obtains and remaining residual components, after stirring 1.5 hours with the speed of 1000 revs/min, material is transferred in rubber mill, the slurry obtaining 400 mesh is ground with the speed of 200 revs/min, then slurry is coated with on a current collector uniformly, it is vacuum dried 6 hours under conditions of temperature 110-120 DEG C, on desktop electric tablet machine, under the pressure of 10MPa, tabletting is carried out after taking-up, dry to constant weight at a temperature of 80 DEG C and get final product in being placed again into vacuum drying oven after cutting.
The invention have the advantage that the present invention uses the plant component such as Retinervus Luffae Fructus, Semen Sterculiae Lychnophorae as carbon source, resource natural reproducible, reduce the dependence to fossil energy, and utilize zinc chloride and lithium chloride salt-mixture as activator, not only solve and utilize the shortcoming of perishable reaction vessel in activation of potassium hydroxide technique, and the plant base porous carbon material prepared has the distribution of optimized pore structure and hole dimension, has good chemical property, technique is simple simultaneously, and feasibility is high.
Polyacrylonitrile powder is made carbonization powder by a series of technique by the present invention, add in the preparation of electrode material of the present invention, enhance specific surface area and mesoporous, simultaneously and owing to surface nitrogen-containing functional group improves the surface wettability of electrode material, diffusion impedance is the least, leakage current, self discharge voltage degradation rate are the least, and the product made has high use value.
Detailed description of the invention
The polyacrylonitrile enhancement mode combination electrode material that a kind of self discharge voltage attenuation is little, is made up of the raw material of following weight portion (kilogram): Retinervus Luffae Fructus 60, Semen Sterculiae Lychnophorae 37, distilled water are appropriate, zinc chloride 39.5, lithium chloride 8, electrically conductive graphite 15, carbamide 3, potassium perchlorate 6, polyacrylonitrile powder 8, guar gum 2, ptfe emulsion 8, cetyl trimethylammonium bromide 0.4.
According to ultracapacitor novel plant Quito pore carbon electrode material a kind of described in claims 1, following concrete grammar it is prepared from:
(1) by Retinervus Luffae Fructus under being passed through nitrogen protection, being warming up to 800 DEG C with the heating rate of 5 DEG C/min, insulation carbonization naturally cooled to room temperature after 1 hour, pulverized, and crossed 200 mesh sieves stand-by；Remove shell after Semen Sterculiae Lychnophorae is soaked in the distilled water of 5 times amount expansion and obtain Semen Sterculiae Lychnophorae suspension with crust, above-mentioned 200 mesh powder are added thereto, after stirring, add zinc chloride, lithium chloride, be spray-dried after ultrasonic 2 hours, obtain mixed-powder；
(2) mixed-powder is put in horizontal pipe furnace; under the protection being passed through nitrogen; it is incubated 2 hours at a temperature of 1000 DEG C; after being cooled to room temperature, product is put in the distilled water of 2 times amount and filter after ultrasonic 1.5 hours; the filter cake obtained is put in vacuum drying oven and dry, obtain plant base porous carbon material；
(3) polyacrylonitrile powder is put in air dry oven, after being warming up to 300 DEG C of oxidations 4 hours with the heating rate of 2 DEG C/min, then be warming up to 800 DEG C with the heating rate of 5 DEG C/min, carbonization 30 minutes, obtain polyacrylonitrile carbon powder stand-by；Potassium perchlorate is dissolved in same amount of distilled water, add carbamide, stir and mix with the guar gum being dissolved in 2 times amount distilled water after being completely dissolved, above-mentioned polyacrylonitrile carbon powder, electrically conductive graphite is added after stirring 30 minutes with the speed of 300 revs/min, put in mortar, grind 60 minutes, obtain mixed material；
(4) ptfe emulsion will add the distilled water of 5 times amount, stir and add, after being completely dispersed uniformly, the plant base porous carbon material that step (2) obtains, mixed material that step (3) obtains and remaining residual components, after stirring 1.5 hours with the speed of 1000 revs/min, material is transferred in rubber mill, the slurry obtaining 400 mesh is ground with the speed of 200 revs/min, then slurry is coated with on a current collector uniformly, it is vacuum dried 6 hours under conditions of temperature 110 DEG C, on desktop electric tablet machine, under the pressure of 10MPa, tabletting is carried out after taking-up, dry to constant weight at a temperature of 80 DEG C and get final product in being placed again into vacuum drying oven after cutting.
In described embodiment, the electrode of preparation is as working electrode, metallic nickel is colelctor electrode, politef is barrier film, with 2mol/L potassium hydroxide as electrolyte, in the range of 1.2-2.5V, under constant current (5mA), it is circulated test, at room temperature determines that its capacity is 1.73F by charging and discharging curve, internal resistance is 1.62m Ω, and circulation volume conservation rate is 97.8%.
Claims (2)
1. the polyacrylonitrile enhancement mode combination electrode material that a self discharge voltage attenuation is little, it is characterized in that, be prepared by the raw materials in: Retinervus Luffae Fructus 60-63, Semen Sterculiae Lychnophorae 37-40, distilled water are appropriate, zinc chloride 39.5-40, lithium chloride 8-8.5, electrically conductive graphite 15-17, carbamide 3-4, potassium perchlorate 6-7, polyacrylonitrile powder 8-9, guar gum 2-3, ptfe emulsion 8-9, cetyl trimethylammonium bromide 0.4-0.5.
2. according to ultracapacitor novel plant Quito pore carbon electrode material a kind of described in claims 1, it is characterised in that be prepared from by following concrete grammar:
(1) by Retinervus Luffae Fructus under being passed through nitrogen protection, being warming up to 800 DEG C with the heating rate of 5 DEG C/min, insulation carbonization naturally cooled to room temperature after 1 hour, pulverized, and crossed 200 mesh sieves stand-by；Remove shell after Semen Sterculiae Lychnophorae is soaked in the distilled water of 5 times amount expansion and obtain Semen Sterculiae Lychnophorae suspension with crust, above-mentioned 200 mesh powder are added thereto, after stirring, add zinc chloride, lithium chloride, be spray-dried after ultrasonic 2 hours, obtain mixed-powder；
(2) mixed-powder is put in horizontal pipe furnace; under the protection being passed through nitrogen; it is incubated 2 hours at a temperature of 1000 DEG C; after being cooled to room temperature, product is put in the distilled water of 2 times amount and filter after ultrasonic 1.5 hours; the filter cake obtained is put in vacuum drying oven and dry, obtain plant base porous carbon material；
(3) polyacrylonitrile powder is put in air dry oven, after being warming up to 300 DEG C of oxidations 4 hours with the heating rate of 2 DEG C/min, then be warming up to 800 DEG C with the heating rate of 5 DEG C/min, carbonization 30 minutes, obtain polyacrylonitrile carbon powder stand-by；Potassium perchlorate is dissolved in same amount of distilled water, add carbamide, stir and mix with the guar gum being dissolved in 2 times amount distilled water after being completely dissolved, above-mentioned polyacrylonitrile carbon powder, electrically conductive graphite is added after stirring 30 minutes with the speed of 300 revs/min, put in mortar, grind 60 minutes, obtain mixed material；
(4) ptfe emulsion will add the distilled water of 5 times amount, stir and add, after being completely dispersed uniformly, the plant base porous carbon material that step (2) obtains, mixed material that step (3) obtains and remaining residual components, after stirring 1.5 hours with the speed of 1000 revs/min, material is transferred in rubber mill, the slurry obtaining 400 mesh is ground with the speed of 200 revs/min, then slurry is coated with on a current collector uniformly, it is vacuum dried 6 hours under conditions of temperature 110-120 DEG C, on desktop electric tablet machine, under the pressure of 10MPa, tabletting is carried out after taking-up, dry to constant weight at a temperature of 80 DEG C and get final product in being placed again into vacuum drying oven after cutting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610213887.1A CN105977044A (en) | 2016-04-07 | 2016-04-07 | Polyacrylonitrile enhanced composite electrode material with small self-discharge voltage attenuation and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610213887.1A CN105977044A (en) | 2016-04-07 | 2016-04-07 | Polyacrylonitrile enhanced composite electrode material with small self-discharge voltage attenuation and preparation method thereof |
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| CN201610213887.1A Pending CN105977044A (en) | 2016-04-07 | 2016-04-07 | Polyacrylonitrile enhanced composite electrode material with small self-discharge voltage attenuation and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102804303A (en) * | 2010-01-09 | 2012-11-28 | 戴斯分析公司 | Energy storage devices including a solid multilayer electrolyte |
| CN104098083A (en) * | 2014-07-15 | 2014-10-15 | 黑龙江大学 | Method for preparing porous nano carbon materials with biomass serving as carbon source |
| CN104247111A (en) * | 2012-04-09 | 2014-12-24 | 昭和电工株式会社 | Method for producing collector for electrochemical elements, method for producing electrode for electrochemical elements, collector for electrochemical elements, electrochemical element, and coating liquid for forming collector for electrochemical elements |
| CN104821234A (en) * | 2015-04-03 | 2015-08-05 | 安徽江威精密制造有限公司 | High-aluminum powder/modified straw composite electrode material and preparation method thereof |
-
2016
- 2016-04-07 CN CN201610213887.1A patent/CN105977044A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102804303A (en) * | 2010-01-09 | 2012-11-28 | 戴斯分析公司 | Energy storage devices including a solid multilayer electrolyte |
| CN104247111A (en) * | 2012-04-09 | 2014-12-24 | 昭和电工株式会社 | Method for producing collector for electrochemical elements, method for producing electrode for electrochemical elements, collector for electrochemical elements, electrochemical element, and coating liquid for forming collector for electrochemical elements |
| CN104098083A (en) * | 2014-07-15 | 2014-10-15 | 黑龙江大学 | Method for preparing porous nano carbon materials with biomass serving as carbon source |
| CN104821234A (en) * | 2015-04-03 | 2015-08-05 | 安徽江威精密制造有限公司 | High-aluminum powder/modified straw composite electrode material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 呼小洲等: "混合盐活化胖大海基多孔碳的制备及超级电容器电极材料性能", 《应用化学》 * |
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