CN107623132A - The method for preparing vanadium cell electrode - Google Patents
The method for preparing vanadium cell electrode Download PDFInfo
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- CN107623132A CN107623132A CN201711009857.XA CN201711009857A CN107623132A CN 107623132 A CN107623132 A CN 107623132A CN 201711009857 A CN201711009857 A CN 201711009857A CN 107623132 A CN107623132 A CN 107623132A
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- vanadium cell
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- cell electrode
- vinyl acetate
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- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 42
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 34
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920001577 copolymer Polymers 0.000 claims abstract description 19
- 238000005187 foaming Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000002203 pretreatment Methods 0.000 claims abstract description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 10
- 229910017604 nitric acid Inorganic materials 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 239000012153 distilled water Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 239000004088 foaming agent Substances 0.000 claims description 9
- 239000002048 multi walled nanotube Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000002041 carbon nanotube Substances 0.000 claims description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 5
- 238000007865 diluting Methods 0.000 claims description 5
- -1 azo Compound Chemical class 0.000 claims description 4
- 239000004604 Blowing Agent Substances 0.000 claims description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 239000002071 nanotube Substances 0.000 claims description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000006260 foam Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 125000000524 functional group Chemical group 0.000 abstract description 2
- 238000012805 post-processing Methods 0.000 abstract 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 8
- 239000004917 carbon fiber Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000011282 treatment Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010306 acid treatment Methods 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
Classifications
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The present invention relates to a kind of low manufacture cost, and the method for preparing vanadium cell electrode of post-processing need not be carried out again, comprised the following steps：A, the pre-treatment of CNT；B, prepared by barium oxide gel；C, the blending of vinyl-vinyl acetate copolymer and CNT etc.；D, the foaming of vinyl-vinyl acetate copolymer and CNT blend：The blend for taking appropriate step c to prepare, in the electrode size and the mould of thickness that are put into required for assemble vanadium cell, after foam 15~30 minutes at being 160~190 DEG C in temperature, room temperature is cooled to, and room temperature, after 24~36 hours, it is obtained product to take out.The technical advantage of the present invention is fairly obvious：First, it is cheap, prepare simple；2nd, regulation formula and functional group are easily required according to different vanadium cells；3rd, active function groups introduction volume is more, and is easily controlled；4th, the product electric conductivity prepared is more easy to control.Among the preparation of vanadium cell electrode.
Description
Technical field
The present invention relates to vanadium cell electrode material preparation method, especially a kind of method for preparing vanadium cell electrode.
Background technology
Vanadium cell is a kind of cleaner, and suitable for the battery system of extensive energy storage, it is substantially by end plate, bipolar
The critical materials such as plate, electrode, barrier film form.As one of most important part of vanadium cell, electrode and its correlation properties, including into
This and processing technology etc., have become the critical aspects of vanadium cell system research and development.In the R＆D process of vanadium electrode,
Metal material, graphite cake, carbon class electrode etc. are studied in detail researcher, at present Polyacrylonitrile carbon fiber felt
It is the most-often used electrode material of vanadium cell, but it can not also meet vanadium cell needs, and main cause has：First, existing market
The carbon fiber felt of upper supply is not specially to be produced for vanadium cell, therefore it is active poor in the battery, is needed before use to stone
Black felt surface is handled, to improve its performance.Common graphite felt processing method has Metal Ions Modification, acid treatment, Re Chu
Reason, ammoniated treatment, electrochemical treatments and integrated treatment etc..Comparative maturity can industrialized production processing method such as acid treatment environment
Pollution is big, not easy to operate, and heat treatment power consumption is high, and the two can destroy carbon fiber felt surface while carbon fiber felt activity is increased
Graphite Rotating fields, make the electric conductivity of carbon fiber felt reduce, and it is unfavorable to vanadium cell performance miscellaneous that metal-modified is readily incorporated some
Prime element, the shortcomings of corona treatment, ammoniated treatment are not easy industrialized production.2nd, carbon fiber felt is expensive, before use
Activation process is even more to substantially increase cost.With the development of vanadium cell, it wants to enter market, price be comparison it is crucial because
Element, the price of vanadium cell is reduced, by the development of strong propulsion vanadium cell.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of low manufacture cost, and need not be carried out again at the later stage
The method for preparing vanadium cell electrode of reason.
The technical solution adopted for the present invention to solve the technical problems is：The method for preparing vanadium cell electrode, including such as
Lower step：
A, the pre-treatment of CNT：Choose multi-walled carbon nanotube and be soaked in the hydrogen peroxide that weight/mass percentage composition is 5%
In, supersound process is carried out at normal temperatures 5~8 hours, then carry out centrifugal treating；Then by CNT distillation water wash 2
Dried after~3 times, then it is 1 that the CNT after drying, which is soaked in the solid-liquid volume ratio of CNT,：2~5 concentrated sulfuric acid
Handled within 6~10 hours with the mix acid liquor of concentrated nitric acid, then carrying out normal temperature ultrasound, then add volume and mixed for above-mentioned solid-liquid
Object accumulates 3~5 times of distilled water diluting, stands to CNT after precipitating completely, carries out separation of solid and liquid；
Repeat in aforesaid operations step " to add the distilled water diluting of 3~5 times of solidliquid mixture volume, stand to carbon nanometer
After pipe precipitation completely, separation of solid and liquid is carried out " after 2~3 times, by CNT in 70~90 DEG C of drying；
B, prepared by barium oxide gel：High purity vanadic anhydride is taken, according to solid-liquid volume ratio 1：1~3 ratio adds dense
The sulfuric acid for 98% is spent, then adds the distilled water that volume is 5~10 times of the concentrated sulfuric acid, using rotating speed as 10~30 revolutions per seconds of stirrings
Until system is cooled to room temperature, 50~65 DEG C of drying are levigate；
C, the blending of vinyl-vinyl acetate copolymer and CNT etc.：Choose vinyl acetate content and be less than 20%
Vinyl-vinyl acetate copolymer, then by vinyl-vinyl acetate copolymer：CNT：Barium oxide gel：Hair
Mass ratio between infusion is 100：50~70：1~3：After 5~10 ratio prepares respectively, CNT, vanadium are aoxidized first
After the well mixed obtained carbon nanotube mixture of thing gel, foaming agent, sequentially add vinyl-vinyl acetate copolymer with
Carbon nanotube mixture after refining 15~30 minutes, then by double roller bottom sheet and crushes jointly；
D, the foaming of vinyl-vinyl acetate copolymer and CNT blend：The blending for taking appropriate step c to prepare
Thing, in the electrode size and the mould of thickness that are then placed in required for assembled vanadium cell, it is 160~190 DEG C in temperature and issues
Bubble is cooled to room temperature, and room temperature is taken out and product is made after 24~36 hours after 15~30 minutes.
It is further that in step a, the draw ratio of the multi-walled carbon nanotube is 50~80.
It is further that in step a, the solid-liquid volume range between multi-walled carbon nanotube and hydrogen peroxide is 1：2~5.
It is further that in the concentrated sulfuric acid of the step a and the mix acid liquor of concentrated nitric acid, the mass fraction of the concentrated sulfuric acid is
98%, the mass fraction of concentrated nitric acid is 60%.
It is further that in step a, the volume ratio between the concentrated sulfuric acid and concentrated nitric acid is 3：1.
It is further that in step c, foaming agent is azo-compound or sulfonyl hydrazines compound blowing agents.
It is further that in step c, the upper roller temperature of bottom sheet and broken used double roller is 70~90 DEG C, roller letter
Between spacing range be 1~2mm.
The beneficial effects of the invention are as follows：The technical advantage of the present invention is fairly obvious：First, it is cheap, prepare simple：Compare
At present using carbon fiber felt for the electrode of activation, this method only needs once to produce can be to come into operation, and produces letter
Just, energy consumption consumption is low.In traditional scheme, due to the extremely difficult control of graphitization program of carbon fiber felt, its reaction temperature, atmospheric condition
It is required that it is all very harsh, and the re-activation of traditional scheme is handled, and also accordingly adds cost and environmental pollution；2nd, easy basis
Different vanadium cells requires regulation formula and functional group：CNT and barium oxide in method provided by the invention can be used
Other conductive materials such as graphene, bismuth oxide etc. are substituted, and can directly change formula and matrix material as requested, and realization is made on demand
It is standby；3rd, active function groups introduction volume is more, and is easily controlled；4th, the product electric conductivity prepared is more easy to control.The present invention is especially
Among the preparation of vanadium cell electrode.
Embodiment
The method for preparing vanadium cell electrode, comprises the following steps：A, the pre-treatment of CNT：Choose multi-wall carbon nano-tube
Manage and be soaked in weight/mass percentage composition be 5% hydrogen peroxide in, carry out supersound process at normal temperatures 5~8 hours, then carry out from
Heart processing；Then by CNT with being dried after distillation water wash 2~3 times, then the CNT after drying is soaked in and carbon
The solid-liquid volume ratio of nanotube is 1：In 2~5 concentrated sulfuric acid and the mix acid liquor of concentrated nitric acid, normal temperature ultrasound 6~10 is then carried out
Hour processing, the distilled water diluting that volume is above-mentioned 3~5 times of solidliquid mixture volume is then added, is stood complete to CNT
After full precipitation, separation of solid and liquid is carried out；" distilled water for adding 3~5 times of solidliquid mixture volume is dilute in repetition aforesaid operations step
Release, stand to CNT after precipitating completely, carry out separation of solid and liquid " after 2~3 times, by CNT in 70~90 DEG C of drying；b、
It is prepared by barium oxide gel：High purity vanadic anhydride is taken, according to solid-liquid volume ratio 1：It is 98% that 1~3 ratio, which adds concentration,
Sulfuric acid, the distilled water that volume is 5~10 times of the concentrated sulfuric acid is then added, being 10~30 revolutions per seconds using rotating speed stirs until system is cold
But room temperature is arrived, 50~65 DEG C of drying are levigate；C, the blending of vinyl-vinyl acetate copolymer and CNT etc.：Choose vinegar
Sour ethylene contents are less than 20% vinyl-vinyl acetate copolymer, then by vinyl-vinyl acetate copolymer：Carbon is received
Mitron：Barium oxide gel：Mass ratio between foaming agent is 100：50~70：1~3：After 5~10 ratio prepares respectively,
First by after CNT, barium oxide gel, the well mixed obtained carbon nanotube mixture of foaming agent, second is sequentially added
Alkene-vinyl acetate copolymer and carbon nanotube mixture be jointly after refining 15~30 minutes, then by double roller bottom sheet and breaks
It is broken.D, the foaming of vinyl-vinyl acetate copolymer and CNT blend：The blend for taking appropriate step c to prepare, so
In the electrode size and the mould of thickness that are put into afterwards required for assembled vanadium cell, foaming 15 at being 160~190 DEG C in temperature~
After 30 minutes, room temperature is cooled to, and room temperature is taken out and product is made after 24~36 hours.
Vinyl-vinyl acetate copolymer, also known as EVA, the vinyl-vinyl acetate copolymer of general commercial type
Vinyl acetate content be less than 20%, you can meet require.In actual production, there is following refinement preferred scheme：Step a
In, the draw ratio of the multi-walled carbon nanotube is 50~80；In step a, the solid-liquid between multi-walled carbon nanotube and hydrogen peroxide
Product is 1 than scope：2~5.For mix acid liquor, in the mix acid liquor of the concentrated sulfuric acid and concentrated nitric acid, the quality point of the concentrated sulfuric acid
Number is 98%, and the mass fraction of concentrated nitric acid is 60%.Further, in preferred steps a, the volume between the concentrated sulfuric acid and concentrated nitric acid
Than for 3：1.In step c, foaming agent is preferably azo-compound or sulfonyl hydrazines compound blowing agents.In addition, in step c,
The upper roller temperature of bottom sheet and broken used double roller is 70~90 DEG C, and the spacing range between roller letter is 1~2mm.
Embodiment
Embodiment 1
Take the CNT 50g after being handled according to step a, the vanadium oxidizing process gel 1g that step obtains, azo-compound hair
Infusion 5g is well mixed, and is 70 DEG C, roll gap 1mm, EVA100g in double roller temperature, after being kneaded 3 minutes, is added carbon nanometer
Pipe mixture, after refining 15 minutes, the blend refined is crushed, is put into mould, being 165 DEG C in temperature foams 25 minutes,
After cooling down and placing 24 hours, the vanadium cell current efficiency of assembling is 90.1%, voltage efficiency 85.4%.
Embodiment 2
Take the CNT 60g after being handled according to step a, step b vanadium oxidizing process gel 1g, azo-compound foaming agent
8g is well mixed, and is 80 DEG C, roll gap 1.2mm, EVA100g in double roller temperature, after being kneaded 3 minutes, is added CNT
Mixture, after refining 17 minutes, the blend refined is crushed, is put into mould, being 170 DEG C in temperature foams 25 minutes, cold
But and after placing 30 hours, the vanadium cell current efficiency of assembling is 91.3%, voltage efficiency 86.4%.
Embodiment 3
Take the CNT 70g after being handled according to step a, step b vanadium oxidizing process gel 1g, azo-compound foaming agent
9g is well mixed, and is 90 DEG C, roll gap 1.5mm, EVA100g in double roller temperature, after being kneaded 3 minutes, is added CNT
Mixture, after refining 27 minutes, the blend refined is crushed, is put into mould, being 180 DEG C in temperature foams 15 minutes, cold
But and after placing 36 hours, the vanadium cell current efficiency of assembling is 92.3%, voltage efficiency 86.9%
The vanadium cell electrode that above-described embodiment is prepared, it is cheap, prepare simply, there is fairly obvious technology
Advantage.
Claims (7)
1. prepare the method for vanadium cell electrode, it is characterised in that comprise the following steps：
A, the pre-treatment of CNT：Choose multi-walled carbon nanotube and be soaked in the hydrogen peroxide that weight/mass percentage composition is 5%,
Supersound process is carried out under normal temperature 5~8 hours, then carry out centrifugal treating；CNT is then used into distillation water wash 2~3 times
After dry, then by the CNT after drying be soaked in the solid-liquid volume ratio of CNT be 1：2~5 concentrated sulfuric acid and dense nitre
In the mix acid liquor of acid, then carry out normal temperature ultrasound and handle for 6~10 hours, it is above-mentioned solidliquid mixture volume then to add volume
3~5 times of distilled water diluting, stands to CNT after precipitating completely, carries out separation of solid and liquid；
Repeat in aforesaid operations step " to add the distilled water diluting of 3~5 times of solidliquid mixture volume, stand complete to CNT
After full precipitation, separation of solid and liquid is carried out " after 2~3 times, by CNT in 70~90 DEG C of drying；
B, prepared by barium oxide gel：High purity vanadic anhydride is taken, according to solid-liquid volume ratio 1：1~3 ratio adds concentration
98% sulfuric acid, then add volume be 5~10 times of the concentrated sulfuric acid distilled water, using rotating speed be 10~30 revolutions per seconds stirring up to
System is cooled to room temperature, and 50~65 DEG C of drying are levigate；
C, the blending of vinyl-vinyl acetate copolymer and CNT etc.：Choose the second that vinyl acetate content is less than 20%
Alkene-vinyl acetate copolymer, then by vinyl-vinyl acetate copolymer：CNT：Barium oxide gel：Foaming
Mass ratio between agent is 100：50~70：1~3：After 5~10 ratio prepares respectively, first by CNT, barium oxide
After the well mixed obtained carbon nanotube mixture of gel, foaming agent, vinyl-vinyl acetate copolymer and carbon are sequentially added
Nanotube mixture after refining 15~30 minutes, then by double roller bottom sheet and crushes jointly；
D, the foaming of vinyl-vinyl acetate copolymer and CNT blend：The blend for taking appropriate step c to prepare, so
In the electrode size and the mould of thickness that are put into afterwards required for assembled vanadium cell, foaming 15 at being 160~190 DEG C in temperature~
After 30 minutes, room temperature is cooled to, and room temperature is taken out and product is made after 24~36 hours.
2. the method as claimed in claim 1 for preparing vanadium cell electrode, it is characterised in that：In step a, more wall carbon are received
The draw ratio of mitron is 50~80.
3. the method as claimed in claim 1 for preparing vanadium cell electrode, it is characterised in that：In step a, multi-walled carbon nanotube
Solid-liquid volume range between hydrogen peroxide is 1：2~5.
4. the method as claimed in claim 1 for preparing vanadium cell electrode, it is characterised in that：The concentrated sulfuric acid of the step a with
In the mix acid liquor of concentrated nitric acid, the mass fraction of the concentrated sulfuric acid is 98%, and the mass fraction of concentrated nitric acid is 60%.
5. the method as claimed in claim 4 for preparing vanadium cell electrode, it is characterised in that：In step a, the concentrated sulfuric acid and dense nitre
Volume ratio between acid is 3：1.
6. the method as claimed in claim 1 for preparing vanadium cell electrode, it is characterised in that：In step c, foaming agent is azo
Compound or sulfonyl hydrazines compound blowing agents.
7. the method as claimed in claim 1 for preparing vanadium cell electrode, it is characterised in that：In step c, bottom sheet and broken
The upper roller temperature of used double roller is 70~90 DEG C, and the spacing range between roller letter is 1~2mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009857.XA CN107623132B (en) | 2017-10-25 | 2017-10-25 | Method for preparing electrode for vanadium battery |
| JP2018181203A JP6700360B2 (en) | 2017-10-25 | 2018-09-27 | Method for preparing electrodes for vanadium redox batteries |
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| CN201711009857.XA CN107623132B (en) | 2017-10-25 | 2017-10-25 | Method for preparing electrode for vanadium battery |
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| CN107623132B CN107623132B (en) | 2020-05-12 |
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| CN114094120A (en) * | 2021-11-23 | 2022-02-25 | 成都先进金属材料产业技术研究院股份有限公司 | Integrated graphite electrode for vanadium cell and vanadium cell |
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| CN108878915A (en) * | 2018-08-30 | 2018-11-23 | 成都先进金属材料产业技术研究院有限公司 | The porous carbon materials and vanadium cell of vanadium cell covering carbon nanotube layer |
| CN108878915B (en) * | 2018-08-30 | 2021-01-26 | 成都先进金属材料产业技术研究院有限公司 | Porous carbon material for covering carbon nanotube layer for vanadium battery and vanadium battery |
| CN114094120A (en) * | 2021-11-23 | 2022-02-25 | 成都先进金属材料产业技术研究院股份有限公司 | Integrated graphite electrode for vanadium cell and vanadium cell |
| CN114094120B (en) * | 2021-11-23 | 2023-10-27 | 成都先进金属材料产业技术研究院股份有限公司 | Integrated graphite electrode for vanadium battery and vanadium battery |
Also Published As
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|---|---|
| JP2019079789A (en) | 2019-05-23 |
| JP6700360B2 (en) | 2020-05-27 |
| CN107623132B (en) | 2020-05-12 |
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