CN106025297A - Electrode preparation method of new energy source automobile fuel cell - Google Patents
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- CN106025297A CN106025297A CN201610622037.7A CN201610622037A CN106025297A CN 106025297 A CN106025297 A CN 106025297A CN 201610622037 A CN201610622037 A CN 201610622037A CN 106025297 A CN106025297 A CN 106025297A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8867—Vapour deposition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/9075—Catalytic material supported on carriers, e.g. powder carriers
- H01M4/9083—Catalytic material supported on carriers, e.g. powder carriers on carbon or graphite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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- 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
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Abstract
The invention discloses an electrode preparation method of a new energy source automobile fuel cell. An electrode is made of an expanded graphite/carbon nanotube composite material; the preparation method comprises the following steps: firstly, preserving the heat of scale-like expandable graphite under an argon gas atmosphere at the temperature of 900 DEG C to 920 DEG C to obtain expanded graphite; immersing the expanded graphite into a nickel chloride solution; preserving the heat of the expanded graphite in a vacuum environment and drying; transferring the obtained expanded graphite containing a catalyst into a vacuum tube type furnace and introducing argon gas; heating the tube type furnace and introducing hydrogen gas to reduce a nickel catalyst; carrying out a vapor deposition method, adding an electro-catalyst and introducing acetylene gas as a growth carbon source; keeping the growth time for 20min-30min; and finally, closing the acetylene gas and the hydrogen gas and cooling to a room temperature under the argon gas atmosphere to prepare the expanded graphite/carbon nanotube composite material. The method can be used for effectively enlarging the specific surface area and charge storage space of the material; and meanwhile, the whole conductive performance of the material is improved, so that excellent electrochemical performance is obtained.
Description
Technical field
The present invention relates to new-energy automobile field, be specifically related to the electrode system of a kind of new-energy automobile fuel cell
Preparation Method.
Background technology
New-energy automobile refers to use unconventional vehicle fuel (or to use conventional automobile-used as power resources
Fuel, use novel on-vehicle power set), the advanced technology in terms of the dynamic Control of comprehensive vehicle and driving,
The know-why formed is advanced, have the automobile of new technique, new construction.
New-energy automobile includes pure electric automobile, stroke-increasing electric automobile, hybrid vehicle, fuel cell
Electric automobile, hydrogen engine automobile, other new-energy automobiles etc..
FC-EV is to utilize the oxygen in hydrogen and air under the effect of catalyst. at fuel electricity
The automobile that the electric energy produced through electrochemical reaction in pond drives as main power source.FC-EV
The substantially one of pure electric automobile, differs primarily in that the operation principle of electrokinetic cell is different.General next
Saying, fuel cell is, by electrochemical reaction, chemical energy is converted into the reduction needed for electric energy, electrochemical reaction
Agent typically uses hydrogen, and oxidant then uses oxygen, and mostly the FC-EV developed the most the earliest is
Directly using hydrogen fuel, the storage of hydrogen can use the shapes such as liquefying hydrogen, compression hydrogen or hydride hydrogen-storing
Formula.
Owing to having the advantages such as waste gas discharges less, use cost is low, in environmental conservation and the background of energy scarcity
Under day by day rise.One of key technology of new-energy automobile is TRT, and fuel cell is a kind of by existence
Chemical energy in fuel with oxidant is converted into the TRT of electric energy.Fuel and air are fed separately to
Fuel cell, electricity is just produced rumly.It exteriorly has both positive and negative polarity and electrolyte etc., as one
Individual accumulator, but substantially it " can not store up electricity " but one " power plant ".But, it need electrode and
Electrolyte and redox reaction could generate electricity.
CNT, as novel nano-material, by unique conjugated structure, has the electric transmission of uniqueness
The performances such as characteristic and excellent thermal conductance, optics, have huge answering in fields such as the energy, electronic device, batteries
Use potentiality.At present preparation method of carbon nano-tube is the most ripe, electronic device based on CNT, compound
Materials etc. have realized industrialization.
Expanded graphite composite carbon nanometer tube is a kind of feasible method improving material overall performance, but carbon nanometer
Pipe is difficult to directly in graphite linings internal intercalation growth.The most rarely document report expanded graphite composite carbon nanometer
Electrode material made by pipe, therefore this experimentation fabricated in situ expanded graphite/carbon nano tube compound material and its electricity
Chemical property.
Summary of the invention
For problem above, the invention provides the electrode preparation method of a kind of new-energy automobile fuel cell,
Utilize vapour deposition process to grow CNT on expanded graphite, form the expanded graphite three of CNT intercalation
Dimension porous composite construction, obtains expanded graphite/carbon nano tube compound material, thus effectively increases the ratio of material
Surface area and electric charge memory space, improve the monolithic conductive performance of material simultaneously, thus obtain outstanding electrification
Learn performance, can effectively solve the problem in background technology.
To achieve these goals, the technical solution used in the present invention is as follows: a kind of new-energy automobile fuel electricity
The electrode preparation method in pond, the material of this electrode is expanded graphite/carbon nano tube compound material, including walking as follows
Rapid:
S1, first by flakey expansible graphite under argon atmosphere, temperature be 900-920 DEG C in be incubated
20-30min, obtains expanded graphite；
S2, then expanded graphite is immersed in 2-3h in the nickel chloride solution of 0.02-0.03mg/mL, with absorption
Enough Nickel dichloride. granules so that it is as the catalyst of carbon nano tube growth；
S3, again by expanded graphite heat preservation and dryness 12-14h in vacuum environment 60-70 DEG C, thoroughly remove moisture removal；
S4, the expanded graphite containing catalyst obtained is transferred in vacuum tube furnace, logical people 2.67x10-3m-3/s
Argon to get rid of the air in tube furnace, then by diamond heating, be passed through 6.67x10 simultaneously-3m3The hydrogen of/s
Gas is with reduced nickel catalyst；
S5, utilize vapour deposition process, after tube furnace temperature reaches 700 DEG C, add eelctro-catalyst and be also passed through
3.33x10-3m-3The acetylene gas of/s keeps 20-30min as growth carbon source, growth time, finally closes
Acetylene and hydrogen, be cooled to room temperature under argon atmosphere, prepares expanded graphite/carbon nano tube compound material；
S6, the expanded graphite containing eelctro-catalyst/carbon nano tube compound material obtained is dried compressing,
To electrode.
Preferably, the eelctro-catalyst in described step S5 uses Pt-CeO2/ C catalyst, its preparation method is:
By XC-72 carbon black with 2.0-2.2mol/L hydrochloric acid 120-130 DEG C of reflow treatment 4-5h, to remove nothing
Machine impurity；Surface oxidation treatment 4-5h is carried out 120-130 DEG C of backflow, to increase with 5.0-5.2mol/L nitric acid
Add surface functional group, filter and be washed with deionized, be vacuum dried 12-14h in 100-110 DEG C；Pre-place
After reason, then use reduction of ethylene glycol method to prepare catalyst, weigh a certain amount of pretreated XC-72 carbon black,
And in ethylene glycol solution, sonic oscillation 30-40min prepares carbon slurry, is added thereto under fast stirring
The platinum acid chloride solution of 25ml0.5mol/L and 0.12g cerous nitrate, stirring slurry 3-4h is all homogenized up to be formed
Liquid, at N2The lower NaOH dripping 2.0mol/L of protection, regulates pH to 12, is warming up to 120-130 DEG C of reduction
3-4h, after serosity cools down, regulates pH to 3 with the HCl solution of 5.0mol/L, filters gained black product
Use a large amount of deionized water wash, be vacuum dried 8-9h in 80-90 DEG C, i.e. prepare Pt-CeO2/C catalyst.
Preferably, in the solution after the platinum acid chloride solution of addition 25ml0.5mol/L and 0.12g cerous nitrate,
The mass ratio of Pt/ (Pt+C) is 40%, and the mass ratio of Ce/ (Pt+Ce) is 20%, Ce content be optimize after obtain.
Preferably, the specific surface area of described XC-72 carbon black is 238m2/g。
Preferably, described chloroplatinic acid, cerous nitrate, ethylene glycol and isopropanol are AR reagent.
Preferably, in described step S1, the flow of argon is 8.33x10-3m-3/s。
Beneficial effects of the present invention:
The present invention uses vapour deposition process intercalation growth CNT in expanded graphite, is prepared for composite
Expanded graphite/CNT, due to its layered porous structure, expanded graphite/CNT has bigger ratio
Surface area, is effectively increased the ability of storage electric charge in charge and discharge process, and its high rate performance is preferable, is suitable for
Application on high power energy device, simultaneously because material with carbon element has electric double layer capacitance so that and expanded graphite/
CNT has higher power density and cycle life, and composite expanded graphite/CNT is a kind of
Combine the advanced composite material (ACM) of bi-material advantage, contribute to the super capacitor developed high-performance, easily produce
Device, and it is applied to new-energy automobile；It addition, use Pt-CeO2/C catalyst ensureing catalyst activity
On the premise of higher, improve its CO resistance performance.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment,
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to
Explain the present invention, be not intended to limit the present invention.
Embodiment 1:
The invention provides the electrode preparation method of a kind of new-energy automobile fuel cell, the material of this electrode is
Expanded graphite/carbon nano tube compound material, comprises the steps:
S1, first it is 8.33x10 by flakey expansible graphite at flow-3m-3Under the argon atmosphere of/s, temperature is
900 DEG C are incubated 20min, obtain expanded graphite；
S2, then expanded graphite is immersed in 2h in the nickel chloride solution of 0.02mg/mL, enough to adsorb
Nickel dichloride. granule so that it is as the catalyst of carbon nano tube growth；
S3, again by expanded graphite heat preservation and dryness 12h in vacuum environment 60 DEG C, thoroughly remove moisture removal；
S4, the expanded graphite containing catalyst obtained is transferred in vacuum tube furnace, logical people 2.67x10-3m-3/s
Argon to get rid of the air in tube furnace, then by diamond heating, be passed through 6.67x10 simultaneously-3m3The hydrogen of/s
Gas is with reduced nickel catalyst；
S5, utilize vapour deposition process, after tube furnace temperature reaches 700 DEG C, add eelctro-catalyst (Pt-CeO2/C
Catalyst) and it is passed through 3.33x10-3m-3The acetylene gas of/s keeps 20min as growth carbon source, growth time,
Finally close acetylene and hydrogen, under argon atmosphere, be cooled to room temperature, prepare expanded graphite/CNT and be combined
Material；
S6, the expanded graphite containing eelctro-catalyst/carbon nano tube compound material obtained is dried compressing,
To electrode.
Pt-CeO2The preparation method of/C catalyst is:
It is 238m by specific surface area2The XC-72 carbon black of/g with 2.0mol/L hydrochloric acid 120 DEG C of reflow treatment 4h,
To remove inorganic impurity；Surface oxidation treatment 4h is carried out 120 DEG C of backflows, to increase with 5.0mol/L nitric acid
Surface functional group, filters and is washed with deionized, and is vacuum dried 12h in 100 DEG C；After pretreatment, then adopt
Spent glycol reducing process prepares catalyst, weighs a certain amount of pretreated XC-72 carbon black, and at ethylene glycol
In solution, sonic oscillation 30min prepares carbon slurry, is added thereto to the chlorine of 25ml0.5mol/L under fast stirring
Platinic acid solution and 0.12g cerous nitrate, wherein the mass ratio of Pt/ (Pt+C) is 40%, the quality of Ce/ (Pt+Ce)
Ratio is 20%, Ce content be optimize after obtain, stirring slurry 3h up to form homogeneous slurry, at N2Protection
The NaOH of lower dropping 2.0mol/L, regulates pH to 12, is warming up to 120 DEG C of reduction 3h, after serosity cools down,
Regulate pH to 3 with the HCl solution of 5.0mol/L, filter a large amount of deionized water wash of gained black product,
It is vacuum dried 8h in 80 DEG C, i.e. prepares Pt-CeO2/C catalyst.
Embodiment 2:
The invention provides the electrode preparation method of a kind of new-energy automobile fuel cell, the material of this electrode is
Expanded graphite/carbon nano tube compound material, comprises the steps:
S1, first it is 8.33x10 by flakey expansible graphite at flow-3m-3Under the argon atmosphere of/s, temperature is
920 DEG C are incubated 30min, obtain expanded graphite；
S2, then expanded graphite is immersed in 3h in the nickel chloride solution of 0.03mg/mL, enough to adsorb
Nickel dichloride. granule so that it is as the catalyst of carbon nano tube growth；
S3, again by expanded graphite heat preservation and dryness 14h in vacuum environment 70 DEG C, thoroughly remove moisture removal；
S4, the expanded graphite containing catalyst obtained is transferred in vacuum tube furnace, logical people 2.67x10-3m-3/s
Argon to get rid of the air in tube furnace, then by diamond heating, be passed through 6.67x10 simultaneously-3m3The hydrogen of/s
Gas is with reduced nickel catalyst；
S5, utilize vapour deposition process, after tube furnace temperature reaches 700 DEG C, add eelctro-catalyst (Pt-CeO2/C
Catalyst) and it is passed through 3.33x10-3m-3The acetylene gas of/s keeps 30min as growth carbon source, growth time,
Finally close acetylene and hydrogen, under argon atmosphere, be cooled to room temperature, prepare expanded graphite/CNT and be combined
Material；
S6, the expanded graphite containing eelctro-catalyst/carbon nano tube compound material obtained is dried compressing,
To electrode.
Pt-CeO2The preparation method of/C catalyst is:
It is 238m by specific surface area2The XC-72 carbon black of/g with 22.2mol/L hydrochloric acid 130 DEG C of reflow treatment 5h,
To remove inorganic impurity；Surface oxidation treatment 5h is carried out 130 DEG C of backflows, to increase with 5.2mol/L nitric acid
Surface functional group, filters and is washed with deionized, and is vacuum dried 14h in 110 DEG C；After pretreatment, then adopt
Spent glycol reducing process prepares catalyst, weighs a certain amount of pretreated XC-72 carbon black, and at ethylene glycol
In solution, sonic oscillation 40min prepares carbon slurry, is added thereto to the chlorine of 25ml0.5mol/L under fast stirring
Platinic acid solution and 0.12g cerous nitrate, wherein the mass ratio of Pt/ (Pt+C) is 40%, the quality of Ce/ (Pt+Ce)
Ratio is 20%, Ce content be optimize after obtain, stirring slurry 4h up to form homogeneous slurry, at N2Protection
The NaOH of lower dropping 2.0mol/L, regulates pH to 12, is warming up to 130 DEG C of reduction 4h, after serosity cools down,
Regulate pH to 3 with the HCl solution of 5.0mol/L, filter a large amount of deionized water wash of gained black product,
It is vacuum dried 9h in 90 DEG C, i.e. prepares Pt-CeO2/C catalyst.
In the present invention, the electrochemical property test of expanded graphite/carbon nano tube compound material is as follows:
First by the composite expanded graphite/CNT grind into powder of preparation, with acetylene black in mass ratio
85:15 mixes, and is coated in nickel foam and is pressed into electrode.Potassium hydroxide solution with concentration as 6mol/L
For electrolyte, utilize three-electrode system (with platinized platinum for electrode, saturated calomel electrode as reference electrode) to electricity
Pole material is circulated volt-ampere, constant current charge-discharge and ac impedance measurement.Test equipment is Shanghai occasion China
CHl660D type electrochemical workstation.
Fig. 1 is composite expanded graphite/CNT cyclic voltammetry curve under different scanning rates, sweeps
Retouch interval for-1V to 0V.As seen from the figure, along with the increase of sweep speed, cyclic voltammetry curve still keeps relatively
Good symmetry, illustrates that expanded graphite/CNT has preferable reversibility under the conditions of heavy-current discharge,
Reflect typical electric double layer capacitance feature.
Fig. 2 is that expanded graphite/CNT, CNT and three kinds of materials of expanded graphite are in 50mWs scanning speed
Cyclic voltammetry under rate.As seen from the figure, the cyclic voltammetry curve of three kinds of materials all tends to rectangle, has
Preferably symmetry, presents typical electric double layer capacitance feature.This illustrative material charge and discharge process be absorption with
The physical process resolved, has good reversibility.
Fig. 3 is the high rate performance curve obtained by cyclic voltammetry.When 1mV/s sweep speed, expand stone
Ink/CNT is 149.5Fig than electric capacity；When sweep speed increases to 100mV/s, there is electrochemistry pole
Change phenomenon, drop to 102.4Fig than electric capacity, but be still up to 68.5% than capacity retention, high rate performance
Doing well in sweep interval 1～100mV/s, the ratio electric capacity of composite expanded graphite/CNT is bright
Aobvious higher than CNT and expanded graphite, illustrate that composite greatly improves specific surface area, enabling storage
Deposit more charge, be to combine CNT and the advanced composite material (ACM) of expanded graphite bi-material advantage, more
It is applicable to ultracapacitor.
Fig. 4 is expanded graphite/CNT charging and discharging curve under 50mA electric current.As seen from the figure, although
It not the isosceles triangle of standard, but there is no obvious voltage jump, the Europe of expanded graphite/CNT is described
Nurse resistance is relatively low, shows that this material power characteristic is high, and reversibility is preferable, has good capacitance characteristic.
Based on above-mentioned, it is an advantage of the current invention that the present invention uses vapour deposition process intercalation in expanded graphite
Growth CNT, is prepared for composite expanded graphite/CNT, due to its layered porous structure, swollen
Swollen graphite/carbon nanotube has bigger specific surface area, is effectively increased storage electric charge in charge and discharge process
Ability, its high rate performance is preferable, is suitable for the application on high power energy device, simultaneously because material with carbon element tool
There is electric double layer capacitance so that expanded graphite/CNT has higher power density and cycle life, compound
Material expanded graphite/CNT is a kind of advanced composite material (ACM) combining bi-material advantage, contributes to out
Send out high-performance, the ultracapacitor easily produced, and be applied to new-energy automobile；It addition, use
Pt-CeO2/C catalyst, on the premise of ensureing that catalyst activity is higher, improves its CO resistance performance.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in the guarantor of the present invention
Within the scope of protecting.
Claims (6)
1. the electrode preparation method of a new-energy automobile fuel cell, it is characterised in that the material of this electrode
For expanded graphite/carbon nano tube compound material, comprise the steps:
S1, first by flakey expansible graphite under argon atmosphere, temperature be 900-920 DEG C in be incubated
20-30min, obtains expanded graphite；
S2, then expanded graphite is immersed in 2-3h in the nickel chloride solution of 0.02-0.03mg/mL, with absorption
Enough Nickel dichloride. granules so that it is as the catalyst of carbon nano tube growth；
S3, again by expanded graphite heat preservation and dryness 12-14h in vacuum environment 60-70 DEG C, thoroughly remove moisture removal；
S4, the expanded graphite containing catalyst obtained is transferred in vacuum tube furnace, logical people 2.67x10-3m-3/s
Argon to get rid of the air in tube furnace, then by diamond heating, be passed through 6.67x10 simultaneously-3m3The hydrogen of/s
Gas is with reduced nickel catalyst；
S5, utilize vapour deposition process, after tube furnace temperature reaches 700 DEG C, add eelctro-catalyst and be also passed through
3.33x10-3m-3The acetylene gas of/s keeps 20-30min as growth carbon source, growth time, finally closes
Acetylene and hydrogen, be cooled to room temperature under argon atmosphere, prepares expanded graphite/carbon nano tube compound material；
S6, the expanded graphite containing eelctro-catalyst/carbon nano tube compound material obtained is dried compressing,
To electrode.
The electrode preparation method of a kind of new-energy automobile fuel cell the most according to claim 1, it is special
Levying and be, the eelctro-catalyst in described step S5 uses Pt-CeO2/ C catalyst, its preparation method is:
By XC-72 carbon black with 2.0-2.2mol/L hydrochloric acid 120-130 DEG C of reflow treatment 4-5h, to remove nothing
Machine impurity；Surface oxidation treatment 4-5h is carried out 120-130 DEG C of backflow, to increase with 5.0-5.2mol/L nitric acid
Add surface functional group, filter and be washed with deionized, be vacuum dried 12-14h in 100-110 DEG C；Pre-place
After reason, then use reduction of ethylene glycol method to prepare catalyst, weigh a certain amount of pretreated XC-72 carbon black,
And in ethylene glycol solution, sonic oscillation 30-40min prepares carbon slurry, is added thereto under fast stirring
The platinum acid chloride solution of 25ml0.5mol/L and 0.12g cerous nitrate, stirring slurry 3-4h is all homogenized up to be formed
Liquid, at N2The lower NaOH dripping 2.0mol/L of protection, regulates pH to 12, is warming up to 120-130 DEG C of reduction
3-4h, after serosity cools down, regulates pH to 3 with the HCl solution of 5.0mol/L, filters gained black product
Use a large amount of deionized water wash, be vacuum dried 8-9h in 80-90 DEG C, i.e. prepare Pt-CeO2/C catalyst.
The electrode preparation method of a kind of new-energy automobile fuel cell the most according to claim 2, it is special
Levy and be, in the solution after the platinum acid chloride solution of addition 25ml0.5mol/L and 0.12g cerous nitrate, Pt/ (Pt+C)
Mass ratio be 40%, the mass ratio of Ce/ (Pt+Ce) is 20%, Ce content be optimize after obtain.
The electrode preparation method of a kind of new-energy automobile fuel cell the most according to claim 2, it is special
Levying and be, the specific surface area of described XC-72 carbon black is 238m2/g。
The electrode preparation method of a kind of new-energy automobile fuel cell the most according to claim 2, it is special
Levying and be, described chloroplatinic acid, cerous nitrate, ethylene glycol and isopropanol are AR reagent.
The electrode preparation method of a kind of new-energy automobile fuel cell the most according to claim 1, it is special
Levying and be, in described step S1, the flow of argon is 8.33x10-3m-3/s。
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Cited By (7)
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| CN107706391A (en) * | 2017-10-16 | 2018-02-16 | 常州大学 | A kind of C-base composte material of low-temperature lithium ion battery and preparation method thereof |
| CN111805899A (en) * | 2020-06-09 | 2020-10-23 | 深圳市雄韬电源科技股份有限公司 | Fuel cell bipolar plate and preparation method thereof |
| CN112467137A (en) * | 2020-09-09 | 2021-03-09 | 珠海中科兆盈丰新材料科技有限公司 | Silicon-carbon graphene composite material and preparation method thereof |
| CN114976085A (en) * | 2022-03-29 | 2022-08-30 | 广东氢发新材料科技有限公司 | Vapor deposition carbon nanofiber network modified graphite composite bipolar plate and preparation method thereof |
| CN115911311A (en) * | 2022-11-16 | 2023-04-04 | 晖阳(贵州)新能源材料有限公司 | Quick-charging graphite composite material for lithium ion battery and preparation method thereof |
| CN116364917A (en) * | 2023-03-10 | 2023-06-30 | 内蒙古欣源石墨烯科技股份有限公司 | High-energy-density quick-charging lithium ion battery negative electrode material and preparation method thereof |
| CN118398752A (en) * | 2024-06-25 | 2024-07-26 | 烟台奥森制动材料有限公司 | Modified carbon felt electrode material and preparation method and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706391A (en) * | 2017-10-16 | 2018-02-16 | 常州大学 | A kind of C-base composte material of low-temperature lithium ion battery and preparation method thereof |
| CN107706391B (en) * | 2017-10-16 | 2020-06-02 | 常州大学 | Carbon-based composite material of low-temperature lithium ion battery and preparation method thereof |
| CN111805899A (en) * | 2020-06-09 | 2020-10-23 | 深圳市雄韬电源科技股份有限公司 | Fuel cell bipolar plate and preparation method thereof |
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