Youveim® Research Grade Hastelloy Fiber Paper is a high-performance electrode material designed for use in porous transport layers and current collectors in electrolyzers and battery systems. This material, with its excellent corrosion resistance and high-temperature performance, can maintain long-term stable operation in extreme environments. Below is a detailed introduction to this product:

Key Features:

• High Porosity: With a porosity of 70-80%, it provides ideal channels for gas and liquid transport within electrolyzers and batteries, enhancing overall efficiency.

• Outstanding Corrosion Resistance: Hastelloy exhibits exceptional corrosion resistance due to its high nickel, chromium, and molybdenum content, making it particularly suitable for corrosive environments that contain acidic gases, chlorides, or sulfuric acid.

• Excellent High-Temperature Performance: This fiber paper maintains structural stability and performance under high-temperature conditions, making it suitable for high-temperature electrolysis and battery systems.

• Porous Structure: Its porous design ensures effective gas diffusion and electrolyte flow, helping to reduce transport resistance and improve overall electrochemical performance.

• Lightweight Design: The lightweight design of the fiber paper reduces system weight, making it suitable for applications where size and weight are critical.

Application Scenarios:

• Porous Transport Layer (PTL) in Electrolyzers: Used as a gas diffusion layer in water electrolysis and other electrolytic reactions, ensuring uniform release and distribution of gases, enhancing electrolysis efficiency.

• Current Collector in Batteries: As a current collector material in fuel cells or electrochemical batteries, it ensures efficient current conduction and stability.

Customization Options:

Youveim® offers customizable solutions, including different thicknesses and dimensions, to meet specific equipment and process conditions.

Youveim® Research Grade Hastelloy Fiber Paper is a high-performance electrode material that, with its high porosity, excellent corrosion resistance, and high-temperature stability, is particularly suitable for use in electrolyzers and battery systems. It is an ideal choice for enhancing system efficiency and performance.

Comparison with Youveim® Research Grade Nickel Fiber Paper:

Youveim® Research Grade Hastelloy Fiber Paper and Youveim® Research Grade Nickel Fiber Paper each have their advantages and disadvantages in material properties and application scenarios. Here’s a comparison:

Advantages:

1. Corrosion Resistance:

   • Hastelloy Fiber Paper: Hastelloy has exceptional corrosion resistance due to its high proportions of chromium, molybdenum, and nickel, especially in acidic environments, chlorinated media, sulfides, and high-temperature corrosion conditions. This makes it particularly suitable for chemical processes, electrolyzers, or other harsh corrosive environments.
   • Pure Nickel Fiber Paper: Pure nickel also has good corrosion resistance, particularly effective in alkaline environments, but its resistance is significantly lower than that of Hastelloy in strong acids or chlorinated media.

2. High-Temperature Performance:

   • Hastelloy Fiber Paper: It has excellent high-temperature performance, maintaining high mechanical strength and stability in environments exceeding 1000°C.
   • Pure Nickel Fiber Paper: While pure nickel can also withstand high temperatures, its performance does not match that of Hastelloy. At extreme high temperatures, pure nickel may lose some strength and structural stability.

3. Oxidation and Sulfidation Resistance:

   • Hastelloy Fiber Paper: Due to the presence of chromium and molybdenum, Hastelloy exhibits excellent resistance to oxidation and sulfidation in high-temperature environments.
   • Pure Nickel Fiber Paper: Pure nickel has relatively weak oxidation resistance in high-temperature environments, particularly prone to forming sulfides in sulfur-containing environments, leading to performance degradation.

4. Application Range:

   • Hastelloy Fiber Paper: Due to its outstanding corrosion resistance and high-temperature performance, Hastelloy fiber paper is more widely used in chemical processes, electrolyzers, high-temperature gas diffusion layers, and demanding electrochemical applications.
   • Pure Nickel Fiber Paper: Pure nickel fiber paper is better suited for use in moderately corrosive and alkaline environments, such as in specific fuel cells and battery current collector applications.

Disadvantages:

1. Cost:

   • Hastelloy Fiber Paper: The inclusion of precious metals like chromium and molybdenum significantly increases the material cost compared to pure nickel. This makes its application cost relatively higher.
   • Pure Nickel Fiber Paper: The cost of pure nickel is relatively low, giving it a price advantage, especially in scenarios where corrosion resistance requirements are not particularly stringent.

2. Conductivity:

   • Hastelloy Fiber Paper: The addition of other elements in Hastelloy may reduce its conductivity compared to pure nickel, which could affect certain electrochemical applications, especially when used as a current collector and electrode material.
   • Pure Nickel Fiber Paper: Pure nickel has good conductivity, making it suitable for applications that require high conductivity, such as battery current collectors and electrode materials.

3. Machinability:

   • Hastelloy Fiber Paper: Due to its complex composition, Hastelloy may encounter more challenges during processing, such as higher hardness and difficulty in machining.
   • Pure Nickel Fiber Paper: Pure nickel is relatively softer and easier to process into different shapes and sizes, making the manufacturing process simpler.

Conclusion:

Hastelloy fiber paper is better suited for use in high-temperature and highly corrosive environments, particularly excelling in chemical processes, electrolyzers, and demanding electrochemical reactions, while being more expensive and having slightly lower conductivity. Pure nickel fiber paper offers better conductivity, lower costs, and easier machinability, making it suitable for use in relatively mild corrosive environments, but it does not perform as well as Hastelloy under high temperatures and severe corrosion conditions.

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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.