CN105742666B - A kind of fuel cell carbon nanotube gas diffusion layer and its preparation and application - Google Patents
A kind of fuel cell carbon nanotube gas diffusion layer and its preparation and application Download PDFInfo
- Publication number
- CN105742666B CN105742666B CN201410768095.1A CN201410768095A CN105742666B CN 105742666 B CN105742666 B CN 105742666B CN 201410768095 A CN201410768095 A CN 201410768095A CN 105742666 B CN105742666 B CN 105742666B
- Authority
- CN
- China
- Prior art keywords
- gas diffusion
- carbon
- diffusion layers
- carbon nanotubes
- carbon nanotube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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
Landscapes
- Inert Electrodes (AREA)
Abstract
The invention discloses a kind of new fuel cell carbon nanotube gas diffusion layer and its preparation method and application, by carbon nanotubes, the growth in situ on macropore carbon base supporting layer is made the diffusion layer, and carbon nanotubes thickness is 1 50 μm；Carbon nanotubes concentration is grown in macropore carbon base supporting layer close to the one side of Catalytic Layer, since carbon nanotubes has strong-hydrophobicity, therefore carbon nanotubes, which is concentrated, has hydrophobicity on the inside of the gas diffusion layers of growth, contact angle is 130 °~150 ° in the case of no hydrophobic binder addition, this gas diffusion layers need not additionally add hydrophobing agent in inside, good hydrophobic, conductive and mass transfer ability can be provided simultaneously with, the output performance under fuel cell high current density can be improved.
Description
Technical field
The invention belongs to fuel cell fields, and in particular to a kind of fuel cell with carbon nano-fiber gas diffusion layers and its
It prepares and applies.
Background technology
Proton Exchange Membrane Fuel Cells is a kind of novel energy conversion equipment, can chemical energy contamination-freely be converted into electricity
Can, and have many advantages, such as that power density is high, operating temperature is low, startup is fast, long lifespan, it is subject to researcher's extensive concern.Proton
The core component of exchange film fuel battery is the membrane electrode in sandwich structure, and proton exchange membrane is followed successively by by center to both sides,
Cathode and anode gas diffusion layers on the outside of cathode and anode Catalytic Layer and Catalytic Layer.
Gas diffusion layers play an important role in a fuel cell, mainly include：Realize electronics in Catalytic Layer and bipolar plates
Between conduction, reactant is stable and be efficiently transferred to Catalytic Layer, keep preventing from being catalyzed while proton exchange membrane wetting
Battery water management is realized in layer water logging.Therefore gas diffusion layers need good electronic conduction ability, excellent gas permeability and conjunction
The hydrophobicity of reason.
For Proton Exchange Membrane Fuel Cells, under high current density, electrochemical reaction is aggravated with electroosmosis, and water is in the moon
The aggregation of pole side causes battery water logging, and reaction gas can not be successfully arrival catalyst surface and be electrochemically reacted, and battery performance is anxious
Play declines.In previous research, researcher has studied the various materials and method for preparing gas diffusion layers, cell performance to improve
Energy.Chinese patent 102104159 illustrates a kind of gas diffusion layers preparation method containing pore creating material.It is pore creating material, conduction
Micro mist, hydrophober mixed preparing obtain MPL slurries, are supported MPL slurries on carbon paper using the method for impregnating and coating repeatedly,
When impregnating and coat every time, all using the slurry of different ratio.All it is to mix bonding agent with conductive particle, re-coating to macropore
In charcoal substrate.Chinese patent 103828105 adds in carbon nanotubes in MPL slurries, prepares electric conductivity and gas-premeable
Excellent gas diffusion layers.But these preparation methods are required for, using hydrophober, improving the hydrophobicity of conductive powder and incite somebody to action
Conductive powder mutually bonds, and common hydrophober has polytetrafluoroethylene PTFE, segregation tetrafluoroethene, polyvinylidene fluoride, poly-
Propylene, and polytetrafluoroethylene PTFE insoluble in any known solvent and does not have electric conductivity, and the chemistry of other bonding agents is steady
Qualitative and hydrophobicity is poor, this makes the method for preparing diffusion layer become complicated and difficult.Importantly, it is prepared using conductive powder
The gas diffusion layers formed, porosity and average pore size are small, are unfavorable for the transmission of reaction gas and vapor.
The content of the invention
Present invention aims at provide a kind of high performance gas of carbon nanotubes growth in situ directly in macropore carbon substrate
Diffusion layer and its preparation and application.The gas diffusion layers prepared with this method are on the inside of gas diffusion layers without additionally adding hydrophobic
Agent has from hydrophobicity, good mass transfer and conductive capability, can improve Proton Exchange Membrane Fuel Cells at higher current densities
Water logging problem.
In order to reach this purpose, the technical solution adopted by the present invention is as follows：
The present invention discloses a kind of fuel cell carbon nanotube gas diffusion layer,
The carbon nanotube gas diffusion layer is made of macropore carbon base supporting layer and microporous layers overlapping；
Wherein, microporous layers are carbon nanotubes, and carbon nanotubes thickness is 1-50 μm；
Carbon nanotubes concentration is grown on the inside of gas diffusion layers, and the inside of gas diffusion layers is close to the one side of Catalytic Layer.
The contact angle of carbon nanotubes one side and water is 130 °~150 ° in gas diffusion layers；
Contact angle is the whole contact angle with water of carbon nanotube layer, the i.e. contact angle of diffusion layer inner side plane and water.
The contact angle is that 3-4 μ L deionized water drops are added on the inside of gas diffusion layers, by measure liquid-solid interface with
Liquid-vapor interface tangent line formed relative angle and obtain.
The macropore carbon base supporting layer is charcoal cloth, carbon paper or charcoal felt.
Carbon nanotube gas diffusion is placed on temperature as 60-65 DEG C, when gas flow is 100-150mL/min, gas
The moisture-vapor transmission of diffusion layer is 600-1200g h-1m2。
Between gas diffusion layers are clipped in two pieces of copper billets, 1-1.5MPa pressure and 5A electric currents are applied to copper billet, measure two bronze medals
Contact resistance is calculated in voltage between block, when applying 1.5MPa pressure to copper billet, contact electricity of the gas diffusion layers with copper billet
It hinders for 10-50m Ω cm2。
The preparation method of carbon nanotube gas diffusion layer of the present invention：
A) catalyst precursor is dissolved in ethyl alcohol, and the two weight ratio is 1:10~1:90, ultrasound obtains uniformly mixed
Catalyst precursor solutions；
B) Catalyst precursor solutions are uniformly supported on macropore carbon base supporting layer, 40 DEG C~100 DEG C drying are placed in
On gas ions enhancing chemical vapor deposition (PECVD) system sample platform；
C) sample room is vacuumized, when vacuum degree reaches 0.1Pa~0.5Pa, is passed through hydrogen, hydrogen flowing quantity for 10~
200mL/min when pressure reaches 100~1000Pa, is started to warm up at room temperature, and heating rate is 10-20 DEG C/min, during heating
Between for 10~500min, be warming up to temperature as 500~800 DEG C；
D) on the premise of keeping hydrogen flowing quantity as 10~200mL/min, 10~200W of radio-frequency power, hydrogen radio frequency 1 are applied
Catalyst precursor is reduced to the nano metal accordingly with catalytic activity by~30min；
E) hydrogen flowing quantity is adjusted and is maintained at 10~100mL/min, be passed through the carbon that gas flow is 50~500mL/min
Hydrogen compound gas pressurizes and is maintained at 1000-1500Pa, applies 100~1000W of radio-frequency power, the radio frequency time for 10~
300min, directly in generating carbon nanotubes, deposition process knot on macropore carbon base supporting layer under catalyst and action of plasma
Shu Hou is cooled to room temperature, and obtains the carbon paper of growth in situ carbon nano-fiber；
F) sample for obtaining step e) takes out, to carrying out hydrophobic processing on the outside of gas diffusion layers；
Outside described in step f) refers to the one side that gas diffusion layers are in contact with the flow field of fuel cell；
The nano metal is catalyst.
Catalyst precursor in step a) is iron content inorganic salts, inorganic salts containing cobalt, one kind in nickeliferous inorganic salts or two
Kind or more；
Catalyst precursor in step b) in Catalyst precursor solutions is in the loading on macropore carbon base supporting layer
0.1-1mg/cm2；
Nano metal described in step d) is more than one or both of iron, cobalt or nickel；
Hydrocarbon described in step e) is that one or both of methane, ethylene, acetylene, propylene, propine are above mixed
Close object.
Catalyst precursor is preferably Ni (NO3)2·6H2O、Co(NO3)2·6H2O or FeCl3One or both of with
On.
Hydrophobic processing described in step f) is aqueous solution of the configuration containing 1~50wt% hydrophober, and the solution is uniform
It brushes on the outside of gas diffusion layers, hydrophobic agent content is 0.1~30wt% of gas diffusion layers after drying after drying；
Wherein hydrophober is one in polytetrafluoroethylene (PTFE) (PTFE), segregation tetrafluoroethene, polyvinylidene fluoride or polypropylene
Kind or two kinds of objects mixed above.
Carbon nanotube gas diffusion layer of the present invention and the proton exchange membrane (CCM) of catalyst component film together is supported
Electrode, applied to fuel cell.
Since carbon nanotubes has strong-hydrophobicity, carbon nanotubes is concentrated on the inside of the gas diffusion layers of growth with hydrophobic
Property, contact angle is 130~150 ° in the case of no hydrophobic binder addition, and this gas diffusion layers need not additionally add in inside
Add hydrophobing agent, good hydrophobic, conductive and mass transfer ability can be provided simultaneously with.
Anisotropy is presented in gas diffusion layers, and in vertical gas diffusion layer plane direction, carbon nanotube density ecto-entad is passed
Increase；On the direction parallel to gas diffusion layer plane, carbon nanotubes is uniformly distributed.
Beneficial effects of the present invention
1st, carbon nano-fiber in-situ preparation directly in macropore carbon substrate is hated on the inside of gas diffusion layers without additionally addition
Aqua has from hydrophobicity, good mass transfer and conductive capability, can improve the output under fuel cell high current density
Can, the water logging problem of Proton Exchange Membrane Fuel Cells at higher current densities can be improved.
2nd, the method for the present invention is simple and easy to control, and product preparation efficiency is high.
Description of the drawings
Fig. 1 is gas diffusion layers schematic diagram prepared by the present invention, and in vertical gas diffusion layer plane direction, carbon nanotubes is close
Degree ecto-entad is incremented by；On the direction parallel to gas diffusion layer plane, carbon nanotubes is uniformly distributed；1 is carbon nanometer in figure
Pipe, 2 be macropore carbon base supporting layer.
Fig. 2 schemes for carbon paper SEM before reaction.
Fig. 3 is the carbon nanotube gas diffusion layer prepared under the process conditions of the embodiment of the present invention 1.
Fig. 4 is the embodiment of the present invention 1 (reaction temperature is 800 °) and comparative example as prepared by cathode gas diffusion layer
The battery performance of membrane electrode of fuel batter with proton exchange film compares figure.Cell operating conditions are：Battery temperature：65℃；Gas moistens
Humidity：80%；H2Flow：100mL/min；O2Flow：600mL/min.
Fig. 5 is the embodiment of the present invention 2 (reaction temperature is 700 °) and comparative example as prepared by cathode gas diffusion layer
The battery performance of membrane electrode of fuel batter with proton exchange film compares figure.Cell operating conditions are：Battery temperature：65℃；Gas moistens
Humidity：80%；H2Flow：100mL/min；O2Flow：600mL/min.
Specific embodiment
Embodiment 1
Weigh 12.5mgNi (NO3)2·6H2O crystal is dissolved in ethanol solution, and ultrasonic 15min makes solvent be uniformly dispersed.
It is 5*5 (cm by area2) carbon paper be impregnated in the nickel nitrate ethanol solution of preparation, impregnate 1min after sample is taken
Go out, be put into 80 DEG C of vacuum drying chambers after drying, carry out subsequently dipping, drying process, Ni on carbon paper is calculated using weight method
(NO3)2Content, until Ni (NO3)2Content reaches 40mg.
Sample is put on the sample stage in plasma enhanced chemical vapor deposition stove, sample room is evacuated to
H is passed through after 0.5Pa2,Flow is controlled, then with 10 DEG C/min heating rates, to be warming up to 800 for 80mL/min, pressure 200Pa
DEG C, apply radio-frequency power 40W, radio frequency 5min, by Ni (NO3)2It is reduced to the nano metal Ni with catalytic activity.It is adjusted after radio frequency
Save H2Flow is 20mL/min, is passed through CH4Flow is controlled as 80mL/min, adjusting pressure is 1000Pa, applies radio-frequency power
200W, radio frequency 30min.After deposition, H is kept2Flow is 20mL/min, and pressure 200Pa is cooled to room temperature, obtains original
The carbon paper of position growth carbon nanotubes, obtained sample is taken out, to carrying out hydrophobic processing on the outside of gas diffusion layers.Configuration contains
The aqueous solution of 2.5wt% hydrophober uniformly brushes the solution on the outside of gas diffusion layers, and hydrophobic agent content is drying after drying
The 5wt% of gas diffusion layers afterwards.
Embodiment 2
Weigh 12.5mgNi (NO3)2·6H2O crystal is dissolved in ethanol solution, and ultrasonic 15min makes solvent be uniformly dispersed.
It is 5*5 (cm by area2) carbon paper be impregnated in the nickel nitrate ethanol solution of preparation, impregnate 1min after carbon paper is taken
Go out, be put into 80 DEG C of vacuum drying chambers after drying, carry out subsequently dipping, drying process, Ni on carbon paper is calculated using weight method
(NO3)2Content, until Ni (NO3)2Content reaches 40mg.
Sample is put on the sample stage in plasma enhanced chemical vapor deposition stove, sample room is evacuated to
H is passed through after 0.5Pa2,Flow is controlled, then with 10 DEG C/min heating rates, to be warming up to 800 for 80mL/min, pressure 200Pa
DEG C, 10min is kept the temperature, then adjusts and cools the temperature to 700 DEG C with 50 DEG C/min rate of temperature fall, adjustings radio-frequency power is 40W, radio frequency
5min, by Ni (NO3)2It is reduced to the nano metal Ni with catalytic activity.H2H is adjusted after radio frequency2Flow is 20mL/min, is led to
Enter CH4Flow is controlled as 80mL/min, adjusting pressure is 1000Pa, applies radio-frequency power 200W, radio frequency 30min.Deposition terminates
Afterwards, H is kept2Flow is 20mL/min, and pressure 200Pa is cooled to room temperature, and obtains the carbon paper of in-situ growing carbon nano tube, will
Obtained sample takes out, to carrying out hydrophobic processing on the outside of gas diffusion layers.The aqueous solution containing 2.5wt% hydrophober is configured, it will
The solution is uniformly brushed on the outside of gas diffusion layers, and hydrophobic agent content is the 5wt% of gas diffusion layers after drying after drying.
Comparative example
Carbon paper is immersed in 2.5%PTFE lotions, drying is taken out after impregnating 1min, then carries out redrying, drying, is used
Weight method calculates the content of PTFE in carbon paper, until PTFE contents reach 8%.The carbon paper that PTFE contents are 8% is put into nitrogen charging
340 DEG C of roasting 30min in baking oven.
Weigh XC-72 carbon dusts 100mg, 8mL absolute ethyl alcohol, ultrasonic 30min, according to XC-72 carbon dusts：PTFE is 1:8 ratio
Example adds in 5%PTFE lotions, continues mechanical agitation 5min.
Carbon paper Jing Guo hydrophobic treatment is fixed in flush coater thermal station, is heated to thermal station, heating temperature is 80 DEG C.Ensure
Carbon paper spray area is 10*10cm2, XC-72 carbon dust loads amount is 0.5mg/cm after controlling spraying2In nitrogen charging baking oven is positioned over,
340 DEG C of sintering 30min.
Claims (8)
1. a kind of fuel cell carbon nanotube gas diffusion layer, it is characterised in that：
The carbon nanotube gas diffusion layer is made of macropore carbon base supporting layer and microporous layers overlapping；
Wherein, microporous layers are carbon nanotubes, and carbon nanotubes thickness is 1-50 μm；
Carbon nanotubes concentration is grown on the inside of gas diffusion layers, and the inside of gas diffusion layers is close to the one side of Catalytic Layer；Carbon is received
Anisotropy is presented in mitron gas diffusion layers, and in vertical gas diffusion layer plane direction, carbon nanotube density ecto-entad is incremented by,
Carbon nanotubes is uniformly distributed on the direction parallel to gas diffusion layer plane；
The carbon nanotube gas diffusion of preparation is placed on temperature as 60-65 DEG C, when gas flow is 100-150mL/min, gas
The moisture-vapor transmission of body diffused layer is 600-1200g h-1m2；
Between the gas diffusion layers of preparation are clipped in two pieces of copper billets, apply 1-1.5MPa pressure and 5A electric currents, measurement two to copper billet
Contact resistance is calculated in voltage between copper billet, when applying 1.5MPa pressure to copper billet, contact of the gas diffusion layers with copper billet
Resistance is 10-50m Ω cm2。
2. according to the carbon nanotube gas diffusion layer described in claim l, it is characterised in that：
The contact angle of carbon nanotubes one side and water is 130 °~150 ° in gas diffusion layers；
The contact angle is that 3-4 μ L deionized water drops are added on the inside of gas diffusion layers, by measuring liquid-solid interface and solution-air
Relative angle that interface tangent line is formed and obtain.
3. according to the carbon nanotube gas diffusion layer described in claim l, it is characterised in that：
The macropore carbon base supporting layer is charcoal cloth, carbon paper or charcoal felt.
4. a kind of preparation method of any carbon nanotube gas diffusion layers of claim 1-3, it is characterised in that：
A) catalyst precursor is dissolved in ethyl alcohol, and the two weight ratio is l：10~l：90, ultrasound obtains uniformly mixed catalysis
Agent precursor solution；
B) Catalyst precursor solutions are uniformly supported on macropore carbon base supporting layer, 40 DEG C~100 DEG C drying are placed in plasma
On body enhancing chemical vapor deposition (PECVD) system sample platform；
C) sample room is vacuumized, when vacuum degree reaches 0.1Pa~0.5Pa, is passed through hydrogen, hydrogen flowing quantity is 10~200mL/
Min when pressure reaches 100~1000Pa, is started to warm up at room temperature, heating rate be 10-20 DEG C/min, the heating-up time 10
~500min is warming up to temperature as 500~800 DEG C；
D) on the premise of keeping hydrogen flowing quantity as 10~200mL/min, application 10~200W of radio-frequency power, hydrogen radio frequency l~
Catalyst precursor is reduced to the nano metal accordingly with catalytic activity by 30min；
E) hydrogen flowing quantity is adjusted and is maintained at 10~100mL/min, be passed through hydrocarbonization that gas flow is 50~500mL/min
Object gas to be closed, pressurize and is maintained at 1000-1500Pa, applies 100~1000W of radio-frequency power, the radio frequency time is 10~300min,
It is cold after deposition process directly in generating carbon nanotubes on macropore carbon base supporting layer under catalyst and action of plasma
But to room temperature, the carbon paper of in-situ growing carbon nano tube is obtained；
F) sample for obtaining step e) takes out, to carrying out hydrophobic processing on the outside of gas diffusion layers；
Outside described in step f) refers to the one side that gas diffusion layers are in contact with the flow field of fuel cell；
The nano metal is catalyst.
5. according to the preparation method of the carbon nanotube gas diffusion layer described in claim 4, it is characterised in that：
Catalyst precursor in step a) is iron content inorganic salts, one or both of inorganic salts containing cobalt, nickeliferous inorganic salts with
On：
Catalyst precursor in step b) in Catalyst precursor solutions is 0.1- in the loading on macropore carbon base supporting layer
1mg/cm2；
Nano metal described in step d) is more than one or both of iron, cobalt or nickel；
Hydrocarbon described in step e) is one or both of methane, ethylene, acetylene, propylene, propine object mixed above.
6. according to the preparation method of the carbon nanotube gas diffusion layer described in claim 5, it is characterised in that：Catalyst precursor
For Ni (NO3)2·6H2O、Co(NO3)2·6H2O or FeCl3One or both of more than.
7. according to the preparation method of the carbon nanotube gas diffusion layer described in claim 4, it is characterised in that：Described in step f)
Hydrophobic processing for prepare the aqueous solution containing 1~50wt% hydrophober, by the solution uniformly brush on the outside of gas diffusion layers,
Hydrophobic agent content is 0.1~30wt% of gas diffusion layers after drying after drying；
Wherein hydrophober is one or two or more kinds of mixing in polytetrafluoroethylene (PTFE) (PTFE), polyvinylidene fluoride or polypropylene
Object.
8. according to the application of any carbon nanotubes gas diffusion layers in claim 1-3, it is characterised in that：The carbon nanotubes gas
Body diffused layer forms membrane electrode together with the proton exchange membrane for having supported catalyst, for fuel cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768095.1A CN105742666B (en) | 2014-12-11 | 2014-12-11 | A kind of fuel cell carbon nanotube gas diffusion layer and its preparation and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768095.1A CN105742666B (en) | 2014-12-11 | 2014-12-11 | A kind of fuel cell carbon nanotube gas diffusion layer and its preparation and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105742666A CN105742666A (en) | 2016-07-06 |
| CN105742666B true CN105742666B (en) | 2018-05-18 |
Family
ID=56240795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410768095.1A Active CN105742666B (en) | 2014-12-11 | 2014-12-11 | A kind of fuel cell carbon nanotube gas diffusion layer and its preparation and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105742666B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921075B (en) * | 2017-12-13 | 2021-07-06 | 中国科学院大连化学物理研究所 | Preparation and application of ordered gas diffusion electrode based on nanotube array |
| JP2020042941A (en) * | 2018-09-07 | 2020-03-19 | ＳＡＩＫＯ Ｉｎｎｏｖａｔｉｏｎ株式会社 | Manufacturing method of battery electrode, and battery electrode |
| CN111628181B (en) * | 2020-05-25 | 2021-07-23 | 常熟氢能源研究院有限公司 | Process for preparing gas diffusion layer for fuel cell by using wood as raw material |
| CN114824272A (en) * | 2022-04-14 | 2022-07-29 | 广东氢发新材料科技有限公司 | Carbon nanofiber/carbon black composite microporous layer and preparation method thereof |
| CN115000446B (en) * | 2022-07-22 | 2024-05-31 | 上海电气集团股份有限公司 | Gas diffusion layer, preparation method thereof, membrane electrode, battery and application |
| CN117673379B (en) * | 2024-01-30 | 2024-04-12 | 江苏源氢新能源科技股份有限公司 | Preparation method of spinning type CNT (carbon nanotube) diffusion layer and preparation method of membrane electrode |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775788A1 (en) * | 2004-06-21 | 2007-04-18 | Nissan Motor Company, Limited | Gas diffusion electrode and solid polymer electrolyte fuel cell |
| CN101425583A (en) * | 2007-11-02 | 2009-05-06 | 清华大学 | Fuel cell membrane electrode and preparation thereof |
| CN102267693A (en) * | 2011-07-06 | 2011-12-07 | 天津理工大学 | Low-temperature preparation method of carbon nanotube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010044943A (en) * | 2008-08-12 | 2010-02-25 | Toshiba Corp | Fuel cell |
-
2014
- 2014-12-11 CN CN201410768095.1A patent/CN105742666B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775788A1 (en) * | 2004-06-21 | 2007-04-18 | Nissan Motor Company, Limited | Gas diffusion electrode and solid polymer electrolyte fuel cell |
| CN101425583A (en) * | 2007-11-02 | 2009-05-06 | 清华大学 | Fuel cell membrane electrode and preparation thereof |
| CN102267693A (en) * | 2011-07-06 | 2011-12-07 | 天津理工大学 | Low-temperature preparation method of carbon nanotube |
Non-Patent Citations (2)
| Title |
|---|
| "Development of carbon nanotub es base d gas dif fusion layers by in situ chemical vapor deposition process for proton exchange membrane fuel cells";A.M. Kannan etal;《Journal of Power Sources》;20090321;第192 卷;摘要，第298页左栏第3段-第300页左栏第1段 * |
| "High performance of catalysts supported by directly grown PTFE-free micro-porous CNT layer in a proton exchange membrane fuel cell";He-Yun Du et al;《Journal of Materials Chemistry》;20110104;第21卷;摘要，第2513页左栏倒数第1段-右栏第1段，Scheme 1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105742666A (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105742666B (en) | A kind of fuel cell carbon nanotube gas diffusion layer and its preparation and application | |
| Zhang et al. | Single Fe atom on hierarchically porous S, N‐codoped nanocarbon derived from porphyra enable boosted oxygen catalysis for rechargeable Zn‐air batteries | |
| Bu et al. | A unique sandwich structure of a CoMnP/Ni 2 P/NiFe electrocatalyst for highly efficient overall water splitting | |
| CA2861448C (en) | Use of mesoporous graphite particles for electrochemical applications | |
| Billy et al. | Impact of ultra-low Pt loadings on the performance of anode/cathode in a proton-exchange membrane fuel cell | |
| Daş et al. | Comparison of two different catalyst preparation methods for graphene nanoplatelets supported platinum catalysts | |
| Chen et al. | Influence of PTFE on water transport in gas diffusion layer of polymer electrolyte membrane fuel cell | |
| Wei et al. | High performance polymer electrolyte membrane fuel cells (PEMFCs) with gradient Pt nanowire cathodes prepared by decal transfer method | |
| Yao et al. | A novel catalyst layer with carbon matrix for Pt nanowire growth in proton exchange membrane fuel cells (PEMFCs) | |
| Qiu et al. | A novel cathode structure with double catalyst layers and low Pt loading for proton exchange membrane fuel cells | |
| CN106159285A (en) | The preparation method of a kind of ordered ultrathin Catalytic Layer and Catalytic Layer and application | |
| Sung et al. | Performance improvement by a glue-functioned Nafion layer coating on gas diffusion electrodes in PEM fuel cells | |
| Zhang et al. | Preparation of Pt catalysts decorated TiO2 nanotube arrays by redox replacement of Ni precursors for proton exchange membrane fuel cells | |
| Zhang et al. | Vertically aligned carbon nanotubes/carbon fiber paper composite to support Pt nanoparticles for direct methanol fuel cell application | |
| CN108448138B (en) | Preparation method of fuel cell electrode and membrane electrode with full-ordered structure of catalyst layer | |
| Adilbish et al. | Effect of the Nafion content in the MPL on the catalytic activity of the Pt/C-Nafion electrode prepared by pulsed electrophoresis deposition | |
| Xing et al. | Effect of anode diffusion layer fabricated with mesoporous carbon on the performance of direct dimethyl ether fuel cell | |
| Chabi et al. | Electrocatalysis of oxygen reduction reaction on Nafion/platinum/gas diffusion layer electrode for PEM fuel cell | |
| Sun et al. | Pd electroless plated Nafion® membrane for high concentration DMFCs | |
| Tang et al. | Mass-transport-controlled, large-area, uniform deposition of carbon nanofibers and their application in gas diffusion layers of fuel cells | |
| Cao et al. | Pt/XC-72 catalysts coated with nitrogen-doped carbon (Pt/XC-72@ C–N) for methanol electro-oxidation | |
| CN101350412A (en) | Gaseous diffusion layer for polymer electrolyte film fuel cell and preparation method thereof | |
| CN106410228A (en) | Ordered catalyst layer and preparation and application thereof | |
| Li et al. | Highly ordered 3D macroporous scaffold supported Pt/C oxygen electrodes with superior gas-proton transportation properties and activities for fuel cells | |
| Adilbish et al. | Effect of the deposition time on the electrocatalytic activity of Pt/C catalyst electrodes prepared by pulsed electrophoresis deposition method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |