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SciMater™ G1 High Purity Graphene Powder (99.5%, Mechanical Exfoliation)

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  • Keywords:SciMater™ G1 High Purity Graphene Powder (99.5%, Mechanical Exfoliation), SCI Materials Hub
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⚫ SciMater™ G1 High-Purity Graphene Powder (99.5%, Mechanically Exfoliated)

— Premium Graphene Conductive Material for Advanced Energy and Functional Composites


1. Product Overview

SciMater™ G1 High-Purity Graphene is produced using our independently developed mechanical exfoliation process, which preserves the intrinsic planar hexagonal carbon lattice of graphene with minimal structural damage.
Unlike chemical oxidation–reduction methods, this physical technique yields graphene with very low oxygen content, high electrical and thermal conductivity, low defect density, and excellent structural stability.

The G1 graphene powder exhibits an ultrahigh aspect ratio, low bulk density, and excellent dispersibility, making it ideal for conductive, thermal, and reinforcement applications.
As a conductive additive for lithium-ion battery electrodes, G1 graphene enhances the electrode’s conductive network stability and compensates for the limitations of traditional carbon black—such as excessive surface area and strong agglomeration.


2. Key Features

  • Mechanically exfoliated — no chemical oxidation/reduction
    Preserves the graphene lattice, providing superior electrical and thermal properties.

  • Low-defect and high-purity structure
    Minimal oxygen functional groups, carbon content ≥99.5%, low metallic impurities.

  • High aspect ratio and structural integrity
    Nanometer-scale thickness and micron-scale lateral size ensure large surface area and good dispersion.

  • Comprehensive performance enhancement
    Improves conductivity, thermal conductivity, mechanical strength, friction performance, and photo-thermal stability.

  • Versatile applicability
    Compatible with inks, polymer composites, electrode slurries, and other functional systems.


3. Technical Specifications

ModelAppearanceCarbon Content (%)Particle Size (μm)Ash (%)Bulk Density (g/cm³)Flake Thickness (nm)Fe (ppm)
G1-50Black powder>99.5500.1–0.50.071–1510–100
G1-20Black powder>99.5~200.1–0.50.071–1510–100
G1-10Black powder>99.5~100.1–0.50.071–1510–100
G1-4Black powder>99.5~40.1–0.50.061–1010–100

4. Main Applications

🔋 Energy storage materials — Conductive additives for lithium-ion, sodium-ion batteries, and supercapacitors
🧪 Conductive & thermal composites — Plastic, rubber, and epoxy resin reinforcement
🖋️ Functional coatings and inks — Conductive inks, EMI shielding coatings, flexible circuits
🧵 Textiles & structural enhancement — Improves thermal conductivity and strength of fabrics and thin films


5. Handling and Storage Instructions

  • Moisture protection:
    This nano-powder is hygroscopic. Store in a sealed, dry environment (humidity<30%).
    Pre-dry at 80–100 °C for 2–4 h before use.

  • Dispersion guidance:
    For optimal results, disperse using shear mixing, ultrasonication, or emulsification methods.

  • Safety note:
    Avoid inhaling dust. Wear appropriate masks and gloves during handling.


📦 Packaging & Availability

  • Packaging: Vacuum-sealed aluminum foil bag

  • Available quantities: 1 g, 10 g, 50 g, 100 g, 500 g, 1000 g

  • Product code: SciMater™ G1

  • Purity grade: >99.5 wt% (mechanically exfoliated)


🏷️ About SciMater™

SciMater™ (Scientific Materials Hub) is dedicated to delivering high-purity carbon-based materials, nanomaterials, and electrochemical functional powders.
Our products are synthesized and tested under strict quality control to ensure high consistency, reproducibility, and superior performance for both research and industrial applications.

📩 For inquiries or sample requests, please contact: contact@scimaterials.cn

🌍 International Orders & Shipping

📧 Email: contact@scimaterials.cn
📞 Tel: +86 153-7569-8751

🔗 Click to place quick orders via our eBay / Amazon stores.

🌐 We ship worldwide via DHL, SF-Express, or other requested carriers.
📦 Bulk quantities with discount available upon request.

💳 Payment methods accepted: Bank Wire Transfer, PayPal, Credit Card (via Taobao), Alipay, WeChat Pay


💎 SciMater™ G1 High-Purity Graphene Powder (99.5%, Mechanical Exfoliation)
Specifications & Price List (USD $)

Model1 g10 g50 g100 g500 g1000 gLead Time
G1-50$10$50$160$240$600$1000In stock
G1-20$10$50$160$240$600$1000In stock
G1-10$10$50$160$240$600$1000In stock
G1-4$10$50$160$240$600$1000In stock

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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