CN107221681A - It is a kind of applied to modified electrode of all-vanadium flow battery and preparation method thereof - Google Patents
It is a kind of applied to modified electrode of all-vanadium flow battery and preparation method thereof Download PDFInfo
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- CN107221681A CN107221681A CN201710449392.3A CN201710449392A CN107221681A CN 107221681 A CN107221681 A CN 107221681A CN 201710449392 A CN201710449392 A CN 201710449392A CN 107221681 A CN107221681 A CN 107221681A
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8657—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites layered
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Abstract
The invention belongs to electrode material surface processing technology field, the method for more particularly to a kind of modified electrode and its preparation applied to all-vanadium flow battery.The modified electrode matrix material can be carbon paper or carbon felt, and the tin oxide nano particles for mixing antimony are attached to carbon paper or carbon felt fiber surface.Modified electrode preparation method, it is characterized in that, precursor solution is prepared using stannic chloride, antimony chloride and isopropanol, and 30min is stirred at 80 DEG C, 24h is aged, then carbon paper or carbon felt are immersed in solution, nano particle is attached to carbon paper or carbon felt fiber surface from its related solution using czochralski method, dried at 80~150 DEG C, finally the carbon paper after drying is positioned in tube furnace, 90min is calcined under the conditions of 450~550 DEG C.Complete the preparation of modified electrode.The invention provides one kind is simple in construction, preparation method easily modified electrode applies to after all-vanadium flow battery, can solve the problem of not enough all-vanadium flow battery positive-active and analysis oxygen side reaction.
Description
Technical field
The present invention relates to a kind of applied to modified electrode of all-vanadium flow battery and preparation method thereof.
Technical background
Energy demand growing and human survival and development are threaten the problems such as bring environmental pollution therewith.Optimize energy
Source structure, Devoting Major Efforts To Developing and utilization regenerative resource are significant to the energy strategy of China.But, solar energy, wind energy,
The intrinsic fluctuation of regenerative resource, the unstable features of instantaneity such as water energy constrain its extensive use.Therefore, develop efficient
Energy storage technology, promote renewable energy technologies market development, it is ensured that national resources energy security, it has also become the task of top priority.
Flow battery as one kind it is green, efficiently extensive energy storage and conversion equipment and enjoy academia, industry
Boundary and the concern of national governments, wherein all-vanadium flow battery are numerous with its long lifespan, fast, the safe and efficient, flexible design of startup etc.
Advantage, can be widely applied to the fields such as renewable energy conversion, emergency power supply, electric automobile, unmanned plane, as development most
One of fast flow battery.
Among all-vanadium flow battery, electrode surface is the place that redox reaction is carried out, and the activity on its surface is to electricity
The performance in pond will produce tremendous influence, thus be to carry by being modified electrode surface to improve electrode electro Chemical performance
High all-vanadium flow battery performance, the good method solved the above problems.And all-vanadium flow battery positive pole VO2 +/VO2+Redox
Electricity is relative complex to course of reaction, and the invertibity degree in carbon paper electrode is not high.So, more need by carbon paper electrode surface
Modified or be modified, improve VO2 +/VO2+The invertibity on carbon paper is reacted, the purpose for improving battery performance is finally reached.Separately
Outside, VO is occurring for anode2 +/VO2+While redox reaction, the generation of oxygen evolution reaction is accompanied by.This can cause electricity
Unbalance and battery coulombic efficiency the reduction of electrolyte solution.Therefore, also need electrode material to have and improve overpotential for oxygen evolution, drop
The property of hypopolarization.At present, Mn3O4、PbO2Have been used for all-vanadium flow battery anode catalyst Deng metal oxide.But by
Poor in itself electric conductivity, in the case where charging and discharging currents density is larger, battery efficiency has much room for improvement.Therefore, exploitation exists
The modified electrode applied to all-vanadium flow battery with high battery efficiency is very in the case that charging and discharging currents density is larger
It is necessary.
The content of the invention
It is an object of the invention to provide a kind of applied to modified electrode of all-vanadium flow battery and preparation method thereof, it is used
In after all-vanadium flow battery, battery performance can be significantly improved.
According to an aspect of the invention, there is provided a kind of modified electrode applied to all-vanadium flow battery, its feature exists
In：
Modified electrode includes the nano particle that matrix material and substrate material surface are modified,
Matrix material is to select one kind from carbon paper and carbon felt,
Nano particle is the tin oxide nano particles for mixing antimony,
The tin oxide nano particles for mixing antimony are attached to carbon paper or carbon felt fiber surface, are reacted as flow battery positive pole
Catalyst.
There is provided the preparation of the above-mentioned modified electrode applied to all-vanadium flow battery according to another aspect of the present invention
Method, it is characterised in that including：
A precursor solution) is prepared using stannic chloride, antimony chloride and isopropanol, and 30min is stirred at 80 DEG C, is aged
24h, then immerses carbon paper or carbon felt in precursor solution,
B precursor solution) is attached to carbon paper or carbon felt fiber surface using czochralski method, dried at 100 DEG C, is completed
The preparation of modified electrode,
C) finally the carbon paper or carbon felt after drying are positioned in tube furnace, 90min is calcined under the conditions of 450~550 DEG C.
Brief description of the drawings
Fig. 1 is the ESEM of modified electrode according to an embodiment of the invention, that surface attachment has nano particle
Image.
Fig. 2 modified electrodes are compared with the cyclic voltammetry curve of matrix material, 1.0M VOSO4 +3.0M H2SO4In solution,
Nitrogen atmosphere, when sweeping speed for 10mV/s, nano particle carrying capacity is to VO in carbon paper electrode2 +/VO2+Influence of the electricity to electro catalytic activity.
Fig. 3 (a) and Fig. 3 (b) are with the battery A being assembled into according to the modified electrode of the present invention as positive pole respectively and use carbon felt
The battery B being assembled into as positive pole is in 100mA/cm2And 200mA/cm2Different current densities under charging and discharging curve, wherein carrying capacity
For 20mg/cm2。
Embodiment
In order that the present invention is more clearly understood, with reference to embodiments, the present invention is explained in further detail.This
Invention cover it is any be defined by the claims the present invention spirit and scope on make replacement, modification, equivalent method and
Scheme.
The modified electrode prepared by the method according to the invention, including matrix material and substrate material surface modification
Nano particle, matrix material be carbon paper or carbon felt, nano particle is the tin ash for mixing antimony.Mix the stannic oxide nanometer of antimony
Particle is attached to carbon paper or carbon felt fiber surface, the catalyst reacted as flow battery positive pole, for improving all-vanadium flow
The performance of battery.
As shown in figure 1, modified electrode according to an embodiment of the invention, mix antimony the two of substrate material surface modification
Tin oxide nanoparticles, amount containing antimony is 9mol%, and its particle diameter is evenly distributed in 20nm or so in substrate material surface.
The preparation method of modified electrode according to an embodiment of the invention applied to all-vanadium flow battery includes：
The ratio between amount by weighed material 91:9 weigh SnCl4·5H2O and SbCl3；
Then by above-mentioned SnCl4·5H2O and SbCl3Mixture be dissolved in isopropyl alcohol liquid, with SnO after melting2With
Sb2O3The total mass concentration of quality be 10-20g/L.
Then, after magnetic agitation 0.5h under conditions of 80 DEG C, lurid solution is obtained；
Obtain being in the flowable colloidal sol of light yellow, clear after ageing 24h；
Treated carbon paper or carbon felt are slowly immersed into 5min in above-mentioned colloidal sol with lifting equipment, then with 5cm/
Min even speed it is vertical and smoothly lifting come up, dry 15min under the conditions of 100 DEG C in an oven；In order to prepare different loads
The modified electrode of amount, then repeat above-mentioned immersion and lifting step；It is 5-20 times to lift number of times, and carrying capacity is 0.1-0.4mg/cm2(carbon
Paper) or lifting number of times be 2-8 times, 5-20mg/cm2(carbon felt)；
Finally the carbon paper or carbon felt after drying are positioned in tube furnace, 90min is calcined under the conditions of 450~550 DEG C.
The processing of the carbon paper according to an embodiment of the invention or carbon felt includes：
(1) carbon paper or carbon felt are placed in 1mol/L KOH solution, ultrasonic vibration about 20min, to remove surface
The impurity such as greasy dirt, are then rinsed several times repeatedly with deionized water；
(2) carbon paper or carbon felt are placed in absolute ethyl alcohol, sonic oscillation about 20min, with remove surface other are miscellaneous
Matter, is then rinsed several times repeatedly with deionized water；
(3) carbon paper or carbon felt are placed in deionized water, sonic oscillation about 10min, to remove the KOH of remained on surface
Or ethanol solution；
(4) carbon paper or carbon felt after cleaning are placed in 20min in 80 DEG C of baking oven, make moisture evaporation complete.
The invention provides one kind is simple in construction, preparation method easily modified electrode applies to after all-vanadium flow battery,
Battery performance can be significantly improved (see Fig. 2 and Fig. 3 (a) He Fig. 3 (b) result).
According to an aspect of the invention, there is provided a kind of modified electrode available for all-vanadium flow battery, modification electricity
Pole matrix material can be carbon paper or carbon felt, and the tin oxide nano particles for mixing antimony are attached to carbon paper or carbon felt fiber surface.
According to one embodiment of present invention, the tin oxide nano particles for mixing antimony mix antimony amount for 9mol%, nanometer
Particle diameter is about 20nm.
According to one embodiment of present invention, the tin oxide nano particles carrying capacity for mixing antimony is 0.1-0.4mg/cm2(carbon
Paper) or 5-20mg/cm2(carbon felt).
Compared with prior art, the invention has the advantages that：
1st, the tin oxide nano particles of antimony are mixed to VO2 +/VO2+Electricity is to having good electro catalytic activity and larger ratio table
Area, it is possible to increase the voltage efficiency of battery.
2nd, mixing the tin oxide nano particles of antimony has high oxygen separated overpotential, reduces the hair that anode analyses oxygen side reaction
It is raw.The coulombic efficiency of battery can be improved.
3rd, the tin ash of antimony dopant is a kind of N-type semiconductor, and main adulterated by Sb of its carrier provides.It has good
Electric conductivity, it is possible to increase the battery performance under high current density.
4th, the tin ash of antimony dopant has good stability, acid resistance and mechanical performance, when ensure that battery is long
Between circulate work performance.
Embodiment 1
Weigh 2.12g SnCl4·5H2O and 0.14g SbCl3, then by above-mentioned 2.12g SnCl4·5H2O and 0.14g
SbCl3Mixture be dissolved in 100mL isopropyl alcohol liquids, mass concentration is (with SnO2With Sb2O3Meter) it is 10g/L, then 80 DEG C
Under conditions of after magnetic agitation 0.5h, obtain lurid solution.Obtain flowable in light yellow, clear after ageing 24h
Colloidal sol.The carbon that will be treated with lifting equipment (HTDC-300 Best-Effort request coating machines, stroke 5cm, pull rate 5cm/min)
Paper is slowly into 5min in colloidal sol, then with 5cm/min even speed it is vertical and smoothly lifting come up, in an oven
15min is dried under the conditions of 100 DEG C.Repeat the above steps.Lifting 5 times, the carrying capacity carrying capacity of nano particle is 0.1mg/cm2.Finally
Carbon paper after drying is positioned in tube furnace, 90min is calcined under the conditions of 450 DEG C.Using the carrying capacity of prepared nano particle
For 0.1mg/cm2Modified electrode as anode, assemble all-vanadium flow battery, use new prestige cell tester (NEWARE
5V3A) in 90mA/cm2Under conditions of carry out charge-discharge test, battery coulombic efficiency is 98.5%, and voltage efficiency is 73.3%,
Energy efficiency is 72.2%.
Embodiment 2
Weigh 3.18g SnCl4·5H2O and 0.21g SbCl3.Then by the 3.18g SnCl4·5H2O's and 0.21g
SbCl3Mixture be dissolved in 100mL isopropyl alcohol liquids, mass concentration is (with SnO2With Sb2O3Meter) it is 10g/L, then 80 DEG C
Under the conditions of after magnetic agitation 0.5h, obtain lurid solution.Obtain flowable in light yellow, clear after ageing 24h
Colloidal sol.The carbon paper that will be treated with lifting equipment (HTDC-300 Best-Effort request coating machines, stroke 5cm, pull rate 5cm/min)
Be slowly into 5min in colloidal sol, then with 5cm/min even speed it is vertical and smoothly lifting come up, in an oven 100
15min is dried under the conditions of DEG C.Repeat the above steps.Lifting 8 times, the carrying capacity of prepared nano particle is 0.2mg/cm2.Finally
Carbon paper after drying is positioned in tube furnace, 90min is calcined under the conditions of 500 DEG C.The electron microscopic of resulting modified electrode
Mirror photo is as shown in Figure 1.The carrying capacity of prepared nano particle is used for 0.2mg/cm2Modified electrode as anode,
All-vanadium flow battery is assembled, using new prestige cell tester (NEWARE 5V3A), in 90mA/cm2Under conditions of carry out discharge and recharge
Test, battery coulombic efficiency is 98.4%, and voltage efficiency is 75.8%, and energy efficiency is 74.6%.
Embodiment 3
Weigh 2.12g SnCl4·5H2O and 0.14g SbCl3.Then by the 2.12g SnCl4·5H2O's and 0.14g
SbCl3Mixture be dissolved in 100mL isopropyl alcohol liquids, mass concentration is (with SnO2With Sb2O3Meter) it is 10g/L, then 80 DEG C
Under the conditions of after magnetic agitation 0.5h, obtain lurid solution.Obtain flowable in light yellow, clear after ageing 24h
Colloidal sol.The carbon paper that will be treated with lifting equipment (HTDC-300 Best-Effort request coating machines, stroke 5cm, pull rate 5cm/min)
Be slowly into 5min in colloidal sol, then with 5cm/min even speed it is vertical and smoothly lifting come up, in an oven 100
15min is dried under the conditions of DEG C.Repeat the above steps.When lifting 15 times, carrying capacity is 0.3mg/cm2.Finally by the carbon paper after drying
It is positioned in tube furnace, 90min is calcined under the conditions of 550 DEG C.The carrying capacity of prepared nano particle is used for 0.3mg/cm2Modification
Electrode assembles all-vanadium flow battery, using new prestige cell tester (NEWARE 5V3A), in 90mA/cm2 as anode
Under conditions of carry out charge-discharge test, battery coulombic efficiency is 98.4%, and voltage efficiency is 77.5%, and energy efficiency is
76.3%.
Embodiment 4
Weigh 2.12g SnCl4·5H2O and 0.14g SbCl3.Then by the 2.12g SnCl4·5H2O's and 0.14g
SbCl3Mixture be dissolved in 100mL isopropyl alcohol liquids, mass concentration is (with SnO2With Sb2O3It is total) it is 10g/L, then 80 DEG C
Under conditions of after magnetic agitation 0.5h, obtain lurid solution.Obtain flowable in light yellow, clear after ageing 24h
Colloidal sol.The carbon that will be treated with lifting equipment (HTDC-300 Best-Effort request coating machines, stroke 5cm, pull rate 5cm/min)
Paper is slowly into 5min in colloidal sol, then with 5cm/min even speed it is vertical and smoothly lifting come up, in an oven
15min is dried under the conditions of 100 DEG C.Repeat the above steps.Lifting 20 times, the carrying capacity that catalyst is made is 0.4mg/cm2.Finally will
Carbon paper after drying is positioned in tube furnace, and 90min is calcined under the conditions of 550 DEG C.Use prepared catalyst loading for
0.4mg/cm2Modified electrode assembles all-vanadium flow battery, uses new prestige cell tester (NEWARE as anode
5V3A), in 90mA/cm2Under conditions of carry out charge-discharge test, battery coulombic efficiency is 98.3%, and voltage efficiency is 77.3%,
Energy efficiency is 76.0%.
Fig. 2 is that different carrying capacity modified electrodes (corresponding to embodiment 1,2,3,4 respectively) are prepared in carbon paper substrate and are not repaiied
Carbon paper material is adornd to VO2+/VO2 +The comparison that electricity influences on electro catalytic activity.It can be seen that, electrode pair VO after modification2+/VO2 +Electricity is urged electricity
Change activity to be obviously improved；Wherein, carrying capacity is 0.3mg/cm2Modified electrode performance reach most preferably.
Embodiment 5
Weigh 4.24g SnCl4·5H2O and 0.27g SbCl3.Then by the 4.24g SnCl4·5H2O's and 0.27g
SbCl3Mixture be dissolved in 100mL isopropyl alcohol liquids, mass concentration is (with SnO2With Sb2O3It is total) it is 20g/L, then 80 DEG C
Under conditions of after magnetic agitation 0.5h, obtain lurid solution.Obtain flowable in light yellow, clear after ageing 24h
Colloidal sol.The carbon that will be treated with lifting equipment (HTDC-300 Best-Effort request coating machines, stroke 5cm, pull rate 5cm/min)
Felt is slowly into 5min in colloidal sol, then with 5cm/min even speed it is vertical and smoothly lifting come up, in an oven
15min is dried under the conditions of 100 DEG C.Repeat the above steps.Lifting 2 times, carrying capacity is 5mg/cm2.Finally the carbon felt after drying is put
It is placed in tube furnace, 90min is calcined under the conditions of 500 DEG C.Using prepared modified electrode as anode, full vanadium liquid is assembled
Galvanic battery, using new prestige cell tester (NEWARE5V3A) in 100mA/cm2Under conditions of carry out charge-discharge test, battery storehouse
Human relations efficiency is 97.6%, and voltage efficiency is 88.3%, and energy efficiency is 86.2%.
Embodiment 6
Weigh 4.24g SnCl4·5H2O and 0.27g SbCl3.Then by the 4.24g SnCl4·5H2O's and 0.27g
SbCl3Mixture be dissolved in 100mL isopropyl alcohol liquids, mass concentration is (with SnO2With Sb2O3It is total) it is 20g/L, then 80 DEG C
Under conditions of after magnetic agitation 0.5h, obtain lurid solution.Obtain flowable in light yellow, clear after ageing 24h
Colloidal sol.The carbon that will be treated with lifting equipment (HTDC-300 Best-Effort request coating machines, stroke 5cm, pull rate 5cm/min)
Felt is slowly into 5min in colloidal sol, then with 5cm/min even speed it is vertical and smoothly lifting come up, in an oven
15min is dried under the conditions of 100 DEG C.Repeat the above steps.Lifting 4 times, carrying capacity is 10mg/cm2.Finally the carbon felt after drying is put
It is placed in tube furnace, 90min is calcined under the conditions of 500 DEG C.Using prepared modified electrode as anode, full vanadium liquid is assembled
Galvanic battery, using new prestige cell tester (NEWARE5V3A) in 100mA/cm2Under conditions of carry out charge-discharge test, battery storehouse
Human relations efficiency is 97.5%, and voltage efficiency is 85.3%, and energy efficiency is 83.2%.
Embodiment 7
Weigh 4.24g SnCl4·5H2O and 0.27g SbCl3.Then by the 4.24g SnCl4·5H2O's and 0.27g
SbCl3Mixture be dissolved in 100mL isopropyl alcohol liquids, mass concentration is (with SnO2With Sb2O3It is total) it is 20g/L, then 80 DEG C
Under conditions of after magnetic agitation 0.5h, obtain lurid solution.Obtain flowable in light yellow, clear after ageing 24h
Colloidal sol.The carbon that will be treated with lifting equipment (HTDC-300 Best-Effort request coating machines, stroke 5cm, pull rate 5cm/min)
Felt is slowly into 5min in colloidal sol, then with 5cm/min even speed it is vertical and smoothly lifting come up, in an oven
15min is dried under the conditions of 100 DEG C.Repeat the above steps.Lifting 8 times, carrying capacity is 20mg/cm2.Finally the carbon felt after drying is put
It is placed in tube furnace, 90min is calcined under the conditions of 500 DEG C.Using prepared modified electrode as anode, full vanadium liquid is assembled
Galvanic battery, using new prestige cell tester (NEWARE5V3A) in 100mA/cm2Under conditions of carry out charge-discharge test.Fig. 3 (a)
The result of test is shown with Fig. 3 (b)；In Fig. 3 (a) and Fig. 3 (b), battery A is made with modified electrode manufactured in the present embodiment
The battery that positive pole is assembled into, battery B is the battery being assembled into common carbon felt as positive pole, the discharge and recharge under different current densities
Curve, wherein Fig. 3 (a) are current density 100mA/cm2Under charging and discharging curve, Fig. 3 (b) is current density 200mA/cm2Under
Charging and discharging curve.Battery A coulombic efficiency is 97.3%, and voltage efficiency is 90.3%, and energy efficiency is 87.9%, such as Fig. 3 (a)
With Fig. 3 (b) Suo Shi, these characteristics are substantially better than the performance of unmodified electrode battery (battery B).
Claims (7)
1. a kind of modified electrode applied to all-vanadium flow battery, it is characterised in that：
Modified electrode includes the nano particle that matrix material and substrate material surface are modified,
Matrix material is to select one kind from carbon paper and carbon felt,
Nano particle is the tin oxide nano particles for mixing antimony,
The tin oxide nano particles for mixing antimony are attached to carbon paper or carbon felt fiber surface, are used as urging that flow battery positive pole reacts
Agent.
2. the preparation method of the modified electrode according to claim 1 applied to all-vanadium flow battery, it is characterised in that bag
Include：
A precursor solution) is prepared using stannic chloride, antimony chloride and isopropanol, and 30min is stirred at 80 DEG C, 24h is aged, so
Carbon paper or carbon felt are immersed in precursor solution afterwards,
B precursor solution) is attached to carbon paper or carbon felt fiber surface using czochralski method, dried at 100 DEG C, modification is completed
The preparation of electrode,
C) finally the carbon paper or carbon felt after drying are positioned in tube furnace, 90min is calcined under the conditions of 450~550 DEG C.
3. the preparation method of the modified electrode according to claim 2 applied to all-vanadium flow battery, it is characterised in that：
The step A) include
The ratio between amount by weighed material 91:9 weigh SnCl4·5H2O and SbCl3；
Then by above-mentioned SnCl4·5H2O and SbCl3Mixture be dissolved in the isopropyl alcohol liquid of certain volume, then at 80 DEG C
Under conditions of after magnetic agitation 0.5h, obtain with SnO2With Sb2O3The total mass concentration of quality be the light yellow of 10-20g/L
Clear solution,
Above-mentioned shallow yellow transparent solution is aged after 24h and obtained in light yellow, clear, flowable colloidal sol,
The step B) include：
Treated carbon paper or carbon felt are slowly into 5min in colloidal sol with lifting equipment, then with the uniform of 5cm/min
Speed it is vertical and smoothly lifting come up, dry 15min under the conditions of 100 DEG C in an oven.
4. the preparation method of the modified electrode according to claim 3 applied to all-vanadium flow battery, it is characterised in that enter
One step includes：
In order to prepare the modified electrode of the different tin oxide nano particles carrying capacity for mixing antimony, repeat the above steps B), until reaching
Required modification carrying capacity.
5. the preparation method of the modified electrode according to claim 4 applied to all-vanadium flow battery, it is characterised in that：
When matrix material is carbon paper, lifting number of times is 5-20 times, and the modification carrying capacity for mixing the tin oxide nano particles of antimony is
0.1-0.4mg/cm2。
6. the preparation method of the modified electrode according to claim 4 applied to all-vanadium flow battery, it is characterised in that：
When matrix material is from carbon felt, or lifting number of times is 2-8 times, mixes the modification carrying capacity of the tin oxide nano particles of antimony
For 5-20mg/cm2。
7. a kind of all-vanadium flow battery, it is characterised in that it includes modified electrode as claimed in claim 1.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134096A (en) * | 2017-12-10 | 2018-06-08 | 长沙无道工业设计有限公司 | A kind of method of modifying of carbon felt for vanadium redox battery electrode |
| CN108390070A (en) * | 2018-02-10 | 2018-08-10 | 浩发环保科技（深圳）有限公司 | Tin-antimony oxide anode material coating and preparation method thereof, flow battery Ti-base Sn-Sb oxide electrode |
| CN108417847A (en) * | 2018-01-31 | 2018-08-17 | 浩发环保科技（深圳）有限公司 | A kind of titanium-based nickel acid lanthanum electrode and preparation method thereof |
| CN109728314A (en) * | 2018-12-13 | 2019-05-07 | 浙江大学 | A kind of the flow battery structure and method of the magnetic-particle adhesive electrodes of externally-applied magnetic field |
| CN110034305A (en) * | 2019-03-12 | 2019-07-19 | 辽宁科技大学 | A kind of activation method of siderochrome flow battery graphite felt electrode material |
| CN110444771A (en) * | 2019-08-12 | 2019-11-12 | 中盐金坛盐化有限责任公司 | Organic water phase flow battery, electrode, method of modifying and redox flow battery energy storage system |
| CN111261882A (en) * | 2018-11-30 | 2020-06-09 | 中国科学院大连化学物理研究所 | Zinc-nickel flow battery cathode, application thereof and zinc-nickel flow battery |
| CN111740121A (en) * | 2020-07-03 | 2020-10-02 | 朱义奎 | Silicon doping modification method for graphite felt electrode material of vanadium battery |
| CN112234215A (en) * | 2020-12-17 | 2021-01-15 | 中海储能科技(北京)有限公司 | Preparation method and application of modified carbon cloth |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134096A (en) * | 2017-12-10 | 2018-06-08 | 长沙无道工业设计有限公司 | A kind of method of modifying of carbon felt for vanadium redox battery electrode |
| CN108134096B (en) * | 2017-12-10 | 2020-11-10 | 长沙无道工业设计有限公司 | Modification method of carbon felt electrode for all-vanadium redox flow battery |
| CN108417847A (en) * | 2018-01-31 | 2018-08-17 | 浩发环保科技（深圳）有限公司 | A kind of titanium-based nickel acid lanthanum electrode and preparation method thereof |
| CN108417847B (en) * | 2018-01-31 | 2021-04-09 | 浩发环保科技（深圳）有限公司 | Titanium-based lanthanum nickelate electrode and preparation method thereof |
| CN108390070B (en) * | 2018-02-10 | 2021-02-12 | 浩发环保科技（深圳）有限公司 | Tin-antimony oxide anode material coating, preparation method thereof and titanium-based tin-antimony oxide electrode of flow battery |
| CN108390070A (en) * | 2018-02-10 | 2018-08-10 | 浩发环保科技（深圳）有限公司 | Tin-antimony oxide anode material coating and preparation method thereof, flow battery Ti-base Sn-Sb oxide electrode |
| CN111261882B (en) * | 2018-11-30 | 2021-05-04 | 中国科学院大连化学物理研究所 | Zinc-nickel flow battery cathode, application thereof and zinc-nickel flow battery |
| CN111261882A (en) * | 2018-11-30 | 2020-06-09 | 中国科学院大连化学物理研究所 | Zinc-nickel flow battery cathode, application thereof and zinc-nickel flow battery |
| CN109728314A (en) * | 2018-12-13 | 2019-05-07 | 浙江大学 | A kind of the flow battery structure and method of the magnetic-particle adhesive electrodes of externally-applied magnetic field |
| CN110034305A (en) * | 2019-03-12 | 2019-07-19 | 辽宁科技大学 | A kind of activation method of siderochrome flow battery graphite felt electrode material |
| CN110034305B (en) * | 2019-03-12 | 2022-03-04 | 辽宁科技大学 | Activation method of graphite felt electrode material for iron-chromium flow battery |
| CN110444771B (en) * | 2019-08-12 | 2021-01-12 | 中盐金坛盐化有限责任公司 | Organic aqueous phase flow battery, electrode, modification method and flow battery energy storage system |
| CN110444771A (en) * | 2019-08-12 | 2019-11-12 | 中盐金坛盐化有限责任公司 | Organic water phase flow battery, electrode, method of modifying and redox flow battery energy storage system |
| CN111740121A (en) * | 2020-07-03 | 2020-10-02 | 朱义奎 | Silicon doping modification method for graphite felt electrode material of vanadium battery |
| CN112234215A (en) * | 2020-12-17 | 2021-01-15 | 中海储能科技(北京)有限公司 | Preparation method and application of modified carbon cloth |
| CN112234215B (en) * | 2020-12-17 | 2021-03-09 | 中海储能科技(北京)有限公司 | Preparation method and application of modified carbon cloth |
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