1. Introduction (介绍)
Substrates are critical components of fuel cell membrane electrode assemblies (MEAs). AvCarb EP40 Gas Diffusion substrates are unparalleled in their ability to meet the rigorous demands of the fuel cell, including platinum catalyst and functional layer support, effective transport of gases and liquids, and conduction of heat and electricity. Moreover AvCarb EP40 substrates are highly durable, both chemically and mechanically.
AvCarb Carbon Fiber Papers are used as gas diffusion substrates or electrode backings for fuel cell applications.
AvCarb EP40 is the base substrate used in the gas diffusion layers: GDS3215, GDS3250, and GDS3260.
欢迎在文章中引用从科学材料站(SCI Materials Hub)获取的材料
AvCarb EP40, a plain carbon fiber paper, was obtained from SCI Materials Hub.
3. 科学材料站中AvCarb 碳纸系列 (AvCarb carbon fiber paper series in SCI Materials Hub)
|AvCarb GDL carbon paper series|
|Through-Plane Resistivity||PTFE Treatment|
|EP40||Carbon Paper Substrate||0.2mm||4.5 sec/100cc||50.9 sec/100cc||8.0 mOhm*cm2||None|
|EP40T||Carbon Paper Substrate||0.2mm||7.5 sec/100cc||75 sec/100cc||13.0 mOhm*cm2||5-50wt%|
|EP55||Carbon Paper Substrate||0.262mm||5.0 sec/100cc||--||--||None|
|P50||Carbon Paper Substrate||0.17mm||35 sec/100cc||295 sec/100cc||6.7 mOhm*cm2||None|
|P50T||Carbon Paper Substrate||0.18mm||50 sec/100cc||596 sec/100cc||11.7 mOhm*cm2||5-50wt%|
|P75||Carbon Paper Substrate||0.245mm||15 sec/100cc||83 sec/100cc||7.8 mOhm*cm2||None|
|P75T||Carbon Paper Substrate||0.255mm||25 sec/100cc||26 sec/100cc||13.4 mOhm*cm2||5-50wt%|
|AvCarb MGL carbon paper series|
|MGL190||Molded Graphite Laminate||0.19mm||2.2||75 mOhm cm||78%||None|
|MGL190T||Molded Graphite Laminate||0.19mm||2.2||75 mOhm cm||78%||5-50wt%|
|MGL280||Molded Graphite Laminate||0.28mm||3.3||75 mOhm cm||78%||None|
|MGL280T||Molded Graphite Laminate||0.28mm||3.3||75 mOhm cm||78%||5-50wt%|
|MGL370||Molded Graphite Laminate||0.37mm||4.4||75 mOhm cm||78%||None|
|MGL370T||Molded Graphite Laminate||0.37mm||4.4||75 mOhm cm||78%||5-50wt%|
All products are made in USA.
|AvCarb Carbon Paper Properties|
|Material Type||Carbon Paper Substrate|
|Nominal Thickness (@ 1psi / 0.7 N/cm2)||0.200 mm (200 microns)|
|Nominal Thickness (@ 7.3psi / 5.1 N/cm2)||0.190 mm (190 microns)|
|Nominal Basis Weight||36 g/m2|
|Break Strength machine direction||5.0 MPa|
|Break Strength cross machine direction||3.5 MPa|
|Stiffness machine direction||9.5 Taber|
|Stiffness cross machine direction||3.5 Taber|
|Bulk Density (@ 0.69 N/cm3 / 1psi)||0.19 g/cm3|
|Air Permeability (Gurley) through-plane||4.5 sec/100cc|
|Air Permeability (Gurley) in-plane||50.9 sec/100cc|
|Compressibility ((22N - 113N)/22 x 100%)||14.0%|
|Through-Plane Resistivity||8.0 mOhm*cm2|
|Microporous Layer (MPL)||None|
AvCarb carbon fiber papers consist of high purity carbon fibers bonded together using a porous carbon matrix. Delivered on rolls, this material is used in demanding electrochemical applications including specialty batteries, fuel cells, and electrolyzers.
AvCarb carbon fiber papers are unparalleled in their ability to meet the rigorous demands of electrochemical applications, including catalyst and microporous layer support, effective transport of gases and liquids, and conduction of heat and electricity in corrosive and high temperature environments.
PTFE treated carbon fiber papers are available for applications in which liquid water repellency is required.
- AvCarb Material Solutions offers carbon fiber papers with standard PTFE treatments for water repellency
- Custom PTFE treatments areavailable for all AvCarb Gas Diffusion Substrates at levels 5%–35% PTFE by weight
- Custom MPLs are also available, please contact us for details
AvCarb EP40 生碳纸
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References citing our materials
The bipolar membrane (Fumasep FBM) in this paper was purchased from SCI Materials Hub, which was used in rechargeable Zn-CO2 battery tests. The authors reported a strain relaxation strategy to determine lattice strains in bimetal MNi alloys (M = Pd, Ag, and Au) and realized an outstanding CO2-to-CO Faradaic efficiency of 96.6% with outstanding activity and durability toward a Zn-CO2 battery.
In this paper, Vulcan XC-72R was purchased from SCI Materials Hub. Vulcan XC 72R carbon is the most common catalyst support used in the anode and cathode electrodes of Polymer Electrolyte Membrane Fuel Cells (PEMFC), Direct Methanol Fuel Cells (DMFC), Alkaline Fuel Cells (AFC), Microbial Fuel Cells (MFC), Phosphoric Acid Fuel Cells (PAFC), and many more!
An AEM membrane (Sustainion X37-50 Grade RT, purchased from SCI Materials Hub) was activated in 1 M KOH for 24 h, washed with ultra-purity water prior to use.
Graphene oxide (GO) in this paper was obtained from SCI Materials Hub. The authors introduced a Janus Fe3C/N-CNF@RGO electrode consisting of 1D Fe3C decorated N-doped carbon nanofibers (Fe3C/N-CNFs) side and 2D reduced graphene oxide (RGO) side as the free-standing carrier of Li2S6 catholyte to improve the overall electrochemical performance of Li-S batteries.
This paper used more than 10 kinds of materials from SCI Materials Hub and the authors gave detailed properity comparsion.
Zn foil (100 mm thickness) and Zn powder were obtained from the SCI Materials Hub.