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DiffuCarb® YLS-30T (X-Series) Carbon Paper with Enhanced MPL & Wet Proof

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DiffuCarb® YLS-30T X-Series Enhanced Hydrophobic MPL Carbon Paper
DiffuCarb® YLS-30T X-Series · A / B / C / H Enhanced Hydrophobic MPL Carbon Paper

Enhanced Hydrophobic MPL Carbon Paper
for Gas–Liquid–Solid Electrochemical Interfaces

Based on Toray TGPH060 carbon paper, the YLS-30T X-Series combines substrate hydrophobic treatment and a microporous layer to support gas–liquid management in fuel cells, CO₂ electrolysis, water electrolysis and research-grade gas diffusion electrode systems.

Toray TGPH060 Substrate 0.23–0.30 mm A/B/H: XC-72R C: XC-72 MPL Levels 2–6 20 Standard Models
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01
PRODUCT OVERVIEW

DiffuCarb® YLS-30T X-Series

Enhanced hydrophobic microporous-layer carbon paper based on Toray TGPH060

DiffuCarb® YLS-30T (X-Series) is an enhanced hydrophobic microporous layer (MPL) carbon paper based on Toray TGPH060 substrate. Its layered structure — carbon paper substrate + hydrophobic treatment + MPL coating — is engineered for fuel cells, CO₂ electrolysis, and water electrolysis, with emphasis on gas–liquid management and electrochemical interface stability.

20

20 Standard Models

A2–A6, B2–B6, C2–C6 and H2–H6 cover four series and five MPL loading levels.

0.23

0.23–0.30 mm

Overall thickness varies with MPL loading and coating level.

H₂O

Adjustable Hydrophobicity

Series-level hydrophobicity differences support varied electrolyte and water-management conditions.

MPL

2–6 MPL Levels

Higher number indicates a higher MPL loading / thickness level.

02
STRUCTURE & MATERIAL

Layered Structure & Material Properties

Carbon substrate + hydrophobic treatment + microporous layer

Microporous Layer (MPL)
XC-72R or XC-72
Hydrophobic Treatment Layer
Series-dependent substrate / MPL hydrophobicity
Toray TGPH060 Carbon Paper
Conductive porous structural substrate
Illustration is schematic and not drawn to scale. Total thickness is approximately 0.23–0.30 mm depending on MPL loading.
Core material definition
  • Base Material: Toray TGPH060 carbon paper
  • Thickness Range: 0.23–0.30 mm
  • A / B / H Series: Vulcan XC-72R carbon black MPL
  • C Series: Vulcan XC-72 carbon black MPL
MPL material difference: XC-72R is used for A/B/H series, while the C series uses XC-72 with a denser pore structure according to the current product definition.
03
X-SERIES CLASSIFICATION

A / B / C / H Series

Substrate hydrophobicity, MPL hydrophobicity and carbon-black system

A

A-Series · Moderate Hydrophobicity

XC-72R MPL for low electrolyte infiltration environments and common gas-diffusion studies.

Substrate: ●○○○○○
MPL: ●●●○○○
Models: A2 / A3 / A4 / A5 / A6
B

B-Series · Higher Hydrophobicity

XC-72R MPL with increased overall hydrophobicity for fuel cells and general electrolysis.

Substrate: ●●●○○○
MPL: ●●●●○○
Models: B2 / B3 / B4 / B5 / B6
C

C-Series · Dense-Pore MPL

XC-72 MPL with denser pores for higher-pressure or stronger liquid-blocking conditions.

Substrate: ●○○○○○
MPL: ●●●○○○
Models: C2 / C3 / C4 / C5 / C6
H

H-Series · Very High Hydrophobicity

XC-72R MPL with highly hydrophobic substrate treatment for stronger electrolyte resistance.

Substrate: ●●●●●○
MPL: ●●●●○○
Models: H2 / H3 / H4 / H5 / H6
04
MODEL DEFINITION

MPL Loading / Thickness Logic

X2–X6 indicates the MPL loading / thickness level within each series

2–3

Thin MPL

Higher gas transport and lower diffusion resistance; suitable for dry fuel cells or selected CO₂RR conditions.

4

Medium MPL

Balanced gas–liquid management, positioned as the general-purpose middle grade.

5–6

Thick MPL

Stronger liquid blocking and anti-flooding behavior for long-term or higher electrolyte-loading conditions.

Selection principle: A larger number corresponds to a thicker / higher-loading MPL. A thinner MPL generally favors gas transport, while a thicker MPL increases liquid-blocking resistance. Thickness should therefore be selected according to the actual operating condition rather than treated as “the thicker, the better.”
05
APPLICATION GUIDE

Application Scenarios & Recommendations

Suggested model families based on the supplied application guidance

CO₂ Electrolysis (CO₂RR)

A3–A4 / C3–C4 for balancing gas diffusion and electrolyte blocking.

PEMFC / AEMFC Fuel Cells

A2–A3 / H3 for water management and gas-diffusion applications.

Alkaline Water Electrolysis Cathode

B5–B6 / H5–H6 for stronger anti-flooding and electrolyte resistance.

Research & Testing

Compare multiple grades, such as A3 vs. A5, to study MPL loading effects.

06
KEY ADVANTAGES

Functional Highlights

Designed around hydrophobicity control, gas diffusion and structural support

H₂O

Adjustable Hydrophobicity

Medium to high hydrophobicity levels for different electrochemical environments.

GAS

Gas Diffusion

MPL grading enables different balances between gas transport and liquid blocking.

Ω

Conductive Carbon Structure

Toray TGPH060 provides a conductive porous support for electrochemical electrode structures.

MEA

Mechanical Support

Suitable for compression, electrode stacking and MEA-related fabrication workflows.

07
HANDLING & USAGE

Handling Guidelines

General handling recommendations from the supplied product notes

1

Cutting

Use laser cutting or sharp blades where appropriate; avoid unnecessary fiber breakage or rough edges.

2

Stacking

Apply pressure evenly during assembly to reduce local mechanical damage.

3

Electrolysis Environment

The supplied guidance positions the material as more suitable for alkaline conditions; acidic use should be evaluated carefully for the actual operating window.

4

Reinforcement

Titanium or nickel mesh may be combined with the carbon paper where additional mechanical support or flow distribution is required.

08
CATALYST COATING

Catalyst Coating Workflow

Reference process for depositing a catalyst layer onto the MPL surface

1

Slurry Preparation

Mix catalyst powder, ionomer and solvent to prepare a coating slurry.

2

Dispersion

Use ultrasonication and/or stirring to improve slurry homogeneity.

3

Deposition

Apply by spray coating, blade coating or screen printing onto the MPL surface.

4

Drying

The supplied reference process uses 60–80 °C drying, with optional 120–200 °C thermal treatment where compatible with the catalyst / ionomer / solvent system.

5

MEA Fabrication

Combine with a PEM or AEM membrane according to the intended electrode / membrane assembly process.

09
PRICE LIST

DiffuCarb® YLS-30T X-Series Price List

USD pricing for 5×5 cm, 10×10 cm and 20×20 cm sizes

SeriesModelMPL TypeSubstrate HydrophobicityMPL Hydrophobicity5×5 cm10×10 cm20×20 cm
AA2XC-72R●○○○○○●●●○○○$8$25$72
AA3XC-72R●○○○○○●●●○○○$10$27$80
AA4XC-72R●○○○○○●●●○○○$17$40$100
AA5XC-72R●○○○○○●●●○○○$23$70$210
AA6XC-72R●○○○○○●●●○○○$33$100$300
BB2XC-72R●●●○○○●●●●○○$10$27$80
BB3XC-72R●●●○○○●●●●○○$17$40$100
BB4XC-72R●●●○○○●●●●○○$23$70$210
BB5XC-72R●●●○○○●●●●○○$30$100$327
BB6XC-72R●●●○○○●●●●○○$33$117$400
CC2XC-72●○○○○○●●●○○○$8$25$72
CC3XC-72●○○○○○●●●○○○$10$27$80
CC4XC-72●○○○○○●●●○○○$17$40$100
CC5XC-72●○○○○○●●●○○○$23$70$210
CC6XC-72●○○○○○●●●○○○$33$100$300
HH2XC-72R●●●●●○●●●●○○$17$40$100
HH3XC-72R●●●●●○●●●●○○$23$70$210
HH4XC-72R●●●●●○●●●●○○$30$100$327
HH5XC-72R●●●●●○●●●●○○$33$117$400
HH6XC-72R●●●●●○●●●●○○$40$133$467
10
FAQ

Frequently Asked Questions

Common selection and handling questions

Q1. Can DiffuCarb® YLS-30T be used as an anode in water electrolysis?
Not recommended. Carbon materials can degrade under high anodic potentials and are generally better suited to cathode diffusion-layer applications.
Q2. How should A / B / C / H series be selected?
A = moderate hydrophobicity; B = higher hydrophobicity; C = XC-72 dense-pore MPL; H = very high hydrophobicity for stronger electrolyte-blocking conditions.
Q3. Does MPL thickness affect gas diffusion?
Yes. A thicker MPL increases the diffusion path and liquid-blocking capability. Selection requires balancing gas transport and flooding resistance.
Q4. How can service life be improved?
Avoid unsuitable long-term acidic / high-potential operation, select the MPL / hydrophobicity grade for the actual environment, and use mechanical reinforcement where needed.
Q5. Is customization available?
Yes. MPL loading, hydrophobicity and catalyst pre-coating can be customized according to the supplied product-service scope.

International Orders & Shipping

For quotations, bulk quantities and international shipment arrangements, contact SCI Materials Hub.

Email: contact@scimaterials.cn
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Quick Order on Amazon
Quick-order channels also include eBay and Alibaba stores. Bulk quantities with discount are available upon request.
DiffuCarb® YLS-30T X-Series · Enhanced Hydrophobic MPL Carbon Paper · SCI Materials Hub

Partial references citing our materials (from Google Scholar)


Carbon Dioxide Reduction

1. ACS Nano Strain Relaxation in Metal Alloy Catalysts Steers the Product Selectivity of Electrocatalytic CO2 Reduction

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.


2. Front. Chem. Boosting Electrochemical Carbon Dioxide Reduction on Atomically Dispersed Nickel Catalyst

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!


3. Adv. Mater. Partially Nitrided Ni Nanoclusters Achieve Energy-Efficient Electrocatalytic CO2 Reduction to CO at Ultralow Overpotential

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.


4. Adv. Funct. Mater. Nanoconfined Molecular Catalysts in Integrated Gas Diffusion Electrodes for High-Current-Density CO2 Electroreduction

In this paper (Supporting Information), an anion exchanged membrane (Fumasep FAB-PK-130 obtained from SCI Materials Hub (www.scimaterials.cn)) was used to separate the catholyte and anolyte chambers.

SCI Materials Hub: we also recommend our Fumasep FAB-PK-75 for the use in a flow cell.


5. Appl. Catal. B Efficient utilization of nickel single atoms for CO2 electroreduction by constructing 3D interconnected nitrogen-doped carbon tube network

In this paper, the Nafion 117 membrane was obtained from SCI Materials Hub.


6. Vacuum Modulable Cu(0)/Cu(I)/Cu(II) sites of Cu/C catalysts derived from MOF for highly selective CO2 electroreduction to hydrocarbons

In this paper, Proton exchange membrane (Nafion 117), Nafion D520, and Toray 060 carbon paper were purchased from SCI Materials Hub.


7. National Science Review Confinement of ionomer for electrocatalytic CO2 reduction reaction via efficient mass transfer pathways

An anion exchange membrane (PiperION-A15-HCO3) was obtained from SCI Materials Hub.


8. Catalysis Communications Facilitating CO2 electroreduction to C2H4 through facile regulating {100} & {111} grain boundary of Cu2O

Carbon paper (TGPH060), membrane solution (Nafion D520), and ionic membrane (Nafion N117) were obtained from Wuhu Eryi Material Technology Co., Ltd (a company under SCI Materials Hub).


Batteries

1. J. Mater. Chem. A Blocking polysulfides with a Janus Fe3C/N-CNF@RGO electrode via physiochemical confinement and catalytic conversion for high-performance lithium–sulfur batteries

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.


2. Joule A high-voltage and stable zinc-air battery enabled by dual-hydrophobic-induced proton shuttle shielding

This paper used more than 10 kinds of materials from SCI Materials Hub and the authors gave detailed properity comparsion.

The commercial IEMs of Fumasep FAB-PK-130 and Nafion N117 were obtained from SCI Materials Hub.

Gas diffusion layers of GDL340 (CeTech) and SGL39BC (Sigracet) and Nafion dispersion (Nafion D520) were obtained from SCI Materials Hub.

Zn foil (100 mm thickness) and Zn powder were obtained from the SCI Materials Hub.

Commercial 20% Pt/C, 40% Pt/C and IrO2 catalysts were also obtained from SCI Materials Hub.


3. Journal of Energy Chemistry Vanadium oxide nanospheres encapsulated in N-doped carbon nanofibers with morphology and defect dual-engineering toward advanced aqueous zinc-ion batteries

In this paper, carbon cloth (W0S1011) was obtained from SCI Materials Hub. The flexible carbon cloth matrix guaranteed the stabilization of the electrode and improved the conductivity of the cathode.


4. Energy Storage Materials Defect-abundant commercializable 3D carbon papers for fabricating composite Li anode with high loading and long life

The 3D carbon paper (TGPH060 raw paper) were purchased from SCI Materials Hub.


5. Nanomaterials A Stable Rechargeable Aqueous Zn–Air Battery Enabled by Heterogeneous MoS2 Cathode Catalysts

Nafion D520 (5 wt%), and carbon paper (GDL340) were received from SCI-Materials-Hub.


6. SSRN An Axially Directed Cobalt-Phthalocyanine Covalent Organic Polymer as High-Efficient Bifunctional Catalyst for Zn-Air Battery

Carbon cloth (W0S1011) and other electrochemical consumables required for air cathode were provided by SCI Materials Hub.


Oxygen Reduction Reaction

1. J. Chem. Eng. Superior Efficiency Hydrogen Peroxide Production in Acidic Media through Epoxy Group Adjacent to Co-O/C Active Centers on Carbon Black

In this paper, Vulcan XC 72 carbon black, ion membrane (Nafion N115, 127 μL), Nafion solution (D520, 5 wt%), and carbon paper (AvCarb GDS 2230 and Spectracarb 2050A-1050) were purchased from SCI Materials Hub.


2. Journal of Colloid and Interface Science Gaining insight into the impact of electronic property and interface electrostatic field on ORR kinetics in alloy engineering via theoretical prognostication and experimental validation

The 20 wt% Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) were purchased from SCI Materials Hub. This work places emphasis on the kinetics of the ORR concerning Pt3M (M = Cr, Co, Cu, Pd, Sn, and Ir) catalysts, and integrates theoretical prognostication and experimental validation to illuminate the fundamental principles of alloy engineering.


Water Electrolysis

1. International Journal of Hydrogen Energy Gold as an efficient hydrogen isotope separation catalyst in proton exchange membrane water electrolysis

The cathodic catalysts of Pt/C (20 wt%, 2–3 nm) and Au/C (20 wt%, 4–5 nm) were purchased from SCI Materials Hub.


2. Small Science Silver Compositing Boosts Water Electrolysis Activity and Durability of RuO2 in a Proton-Exchange-Membrane Water Electrolyzer

Two fiber felts (0.35 mm thickness, SCI Materials Hub) were used as the porous transport layers at both the cathode and the anode.


3. Advanced Functional Materials Hierarchical Crystalline/Amorphous Heterostructure MoNi/NiMoOx for Electrochemical Hydrogen Evolution with Industry-Level Activity and Stability

Anion-exchange membrane (FAA-3-PK-130) was obtained from SCI Materials Hub website.


Fuel Cells

1. Polymer Sub-two-micron ultrathin proton exchange membrane with reinforced mechanical strength

Gas diffusion electrode (60% Pt/C, Carbon paper) was purchased from SCI Materials Hub.


Characterization

1. Chemical Engineering Journal Electrochemical reconstitution of Prussian blue analogue for coupling furfural electro-oxidation with photo-assisted hydrogen evolution reaction

An Au nanoparticle film was deposited on the total reflecting plane of a single reflection ATR crystal (SCI Materials Hub, Wuhu, China) via sputter coater.

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