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Research Grade γ-Al2O3 Nanopowder

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  • Description:Research Grade γ-Al2O3 Nanopowder
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Features
γ-Al2O3 with small size, high activity and low melting temperature, it can be used for producing synthetic sapphire with the method of thermal melting techniques; the γ-Al2O3 with large surface area and high catalytic activity, it can be made into microporous spherical structure or honeycomb structure of catalytic materials. These kinds of structures can be excellent catalyst carriers. If used as industrial catalysts, they will be the main materials for petroleum refining, petrochemical and automotive exhaust purification. In addition, the g-phase nano-Al2O3 can be used as analytical reagent.
Applications
1. Transparent ceramics: high-pressure sodium lamps, EP-ROM window; 2. Cosmetic filler; 3. Single crystal, ruby, sapphire, sapphire, yttrium aluminum garnet; 4. High-strength aluminum oxide ceramic, C substrate, packaging materials, cutting tools, high purity crucible, winding axle, bombarding the target, furnace tubes; 5. Polishing materials, glass products, metal products, semiconductor materials, plastic, tape, grinding belt; 6. Paint, rubber, plastic wear-resistant reinforcement, advanced waterproof material; 7. Vapor deposition materials, fluorescent materials, special glass, composite materials and resins; 8. Catalyst, catalyst carrier, analytical reagent; 9. aerospace aircraft wing leading edge.
Dosage
Recommended dosage is usually 1 to 5%, users should be based on different systems to test, and then determine the best dosage for the best use.

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Research Grade γ-Al2O3 Nanopowder (5nm)

PurityAPSSSAColorMorphologyBulk DensityTrue DensityCOAPrice (USD)

γ-Al2O3

5nm

99.99%5 nm250-480 m2/gWhite

SEM Image (Nearly Spherical)

0.18 g/cm33.89 g/cm3

Al2O3 99.99%

Ca ≤1ppm

Fe ≤18ppm

K ≤29ppm

Na ≤35ppm

Mn ≤1.2ppm

Si ≤16ppm

108.5/5g

PVP

Coated

303.5/25g

Silicon Oil

Coated

(Hydrophobic)

303.5/25g

Oleic Acid

Coated

(Hydrophobic)

303.5/25g

Stearic Acid

Coated

(Hydrophobic)

303.5/25g

Amino Acid

Coated

453.5/25g

Silane Coupling

Agent Coated

453.5/25g

Mineral Oil

Coated

(Hydrophobic)

303.5/25g


Research Grade γ-Al2O3 Nanopowder (20nm)

Coating

Content

PurityAPSSSAColorMorphologyγ-Al2O3 Making MethodTrue DensityCOAPrice (USD)

γ-Al2O3

20nm

-99+%20 nm>138 m2/gWhite

TEM Image (Nearly Spherical)

High-Temperature Cumbustion Method

3.89 g/cm3

Al2O3 ≥99%

Ca ≤25ppm

Fe ≤80ppm

Cr ≤4ppm

Na ≤70ppm

Mn ≤3ppm

Co ≤2ppm

102.5/25g

PVP

Coated

1-2wt%257/25g

Silicon Oil

Coated

257/25g

Oleic Acid

Coated

257/25g

Stearic Acid

Coated

257/25g

Silane

Coated

257/25g

Mineral Oil

Coated

257/25g

Amino Acid

Coated

257/25g

Research Grade γ-Al2O3 Nanopowder (80nm)

Coating

Content

PurityAPSSSAColorMorphologyCOAPrice (USD)

γ-Al2O3

80nm

(Hydrophilic)

->99.9%80 nm58 m2/gWhite

TEM Image (Nearly Spherical)

Al2O3 ≥99.9%

Ca ≤18ppm

Fe ≤35ppm

Cr ≤4ppm

Na ≤30ppm

Mn ≤3ppm

Co ≤2ppm

117.5/25g

PVP

Coated

1-2wt%257/25g

Silicon Oil

Coated

257/25g

Oleic Acid

Coated

257/25g

Stearic Acid

Coated

257/25g

Silane

Coated

257/25g

Mineral Oil

Coated

257/25g

Amino Acid

Coated

257/25g


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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.

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