banner

Products

Home Precious Metal Nanopowders Precious metal oxide nanoparticles

Nano IrO₂ Powder for anode catalyst for hydrogen electrolyzer

Categories

New products

  • 99.99% beta sic nano powders

    99.99% high purity beta sic nano powders Our 4N nano β-SiC (99.99% purity) is precision-synthesized via CVD, delivering ultra-fine particle size with exceptional sintering activity for high-density ceramic components. It thrives in the most demanding semiconductor environments — from CMP chucks and lithography stages to plasma etch focus rings and chamber liners. Its chemical inertness and minimal metal impurity outgassing maximize chip yield where it matters most. Trusted by leading fabs and equipment makers worldwide. more

  • Transparent SiO₂ aqueous dispersion

    Monodisperse spherical Nano SiO₂ aqueous dispersion/colloid This transparent SiO₂ aqueous dispersion is synthesized via patented sol-gel technology, featuring optical excellence visible light transmittance and shelf life >18 months under ambient storage. It is widely used in electronics as low-k dielectric materials, in biomedicine as drug carriers, and in optics for anti-reflection coatings. more

  • Nano Titanium Suboxide Ti₄O₇ Powder

    Magnéli Phase Nano Titanium suboxide Ti₄O₇ Powder Magnéli phase Nano titanium suboxide (Ti₄O₇) is an advanced functional material with a unique crystal structure, appearing as a blue-black powder with a precisely controlled particle size of 200–300 nm and a purity of up to 99.9%. As an important member of the titanium oxide family, Ti₄O₇ combines excellent electrical conductivity, chemical stability, and catalytic activity, making it an ideal choice for new energy, environmental protection, and electronics applications. more

  • Boron Nitride Nanotubes

    Boron Nitride Nanotubes(BNNTs): High Thermal Conductivity Heat Dissipation Fillers BNNTs share the tubular structure of carbon nanotubes but deliver fundamentally different properties: electrical insulation, superior thermal stability (up to 900°C in air), and high thermal conductivity. With a wide bandgap of ~5.5 eV, they offer consistent, predictable performance where CNTs fall short. more

  • Phase-Smart VO₂ Nanoparticles

    Phase-Smart VO₂ Nanoparticles: Intelligent Thermal Response, Engineered to Order From Thermochromic Color Change material to Intelligent Temperature Control material: The Performance Revolution and Application Blueprint of Vanadium Dioxide and Tungsten-Doped VO2 more

  • Precision Ceramic 3D Printing Solutions

    Precision Ceramic 3D Printing Solutions​ turns impossible structures into reality Precision Ceramic 3D Printing Solutions – Redefining the boundaries of ceramic manufacturing, from dental restorations to aerospace-grade high-temperature components.Precision ceramic 3D printing turns impossible structures into reality. more

  • nickel nanowires NiNWs

    New conductive material nickel nanowires NiNWs Hongwu Nickel nanowires have a wide range of potential applications in electronic materials, catalysis, polymers, magnetic storage ultra-high density recording materials, sensors and self-lubricating materials. more

  • Antibacterial Nano Silver Colloid

    Transparent Colloidal Ag Antibacterial Nano Silver Colloid Ag (Antibacterial Nano Silver Colloid) has been well known antibacterial, antiviral and antifungal properties are enhanced by small particle size and large surface area. more

  • Nano silica particles used in epoxy resin, superhydrophobic coating nano silica powder

    Nano silica particles used in epoxy resin, superhydrophobic coating nano silica powder Nano silica particles, 20-30nm, 99.8% purity, widely used in exposy resin and superhydrophobic coating. more

Latest news

Some nanomaterials for Thermochromic Application Some nanomaterials for Thermochromic Application

Thermochromism refers to the phenomenon where a material undergoes color changes under temperature changes. This change is usually caused by changes in the electronic or molecular structure of the material. Its application principle mainly involves t...

Nano IrO₂ Powder for anode catalyst for hydrogen electrolyzer

HONGWU NANO has been manufactured and exported nanoparticles since 2002, precious metal and its oxide nanoparticles powder are our advantaged and hot sell item. Both small quantity and batch production is OK.

Mature and stable production process and quality, ultrafine particle size 20-30nm, high purity 99.95%.

With good catalyst performance, any need welcome to inquiry.

  • product origin:

    Xuzhou city, Jiangsu Province, China
  • shipping port:

    Guangzhou, China
  • color:

    black
  • lead time:

    depends on
  • payment:

    100% advance payment
pPoduct Details

Nano IrO₂ Powder for anode catalyst for hydrogen electrolyzer

Product name Iridium Oxie nanoparticles powder
MF IrO2
CAS Number 12030-49-8
Particle size (D50) 20-30nm
Purity 99.95%
Appearance black solid powder
Package 1g, 5g, 10g, 50g, 100g, etc in glass bottles / plastic bags
Application catalyst, etc

Nano-IrO₂ (iridium dioxide) has important application potential as an anode catalyst in hydrogen electrolyzers, especially in proton exchange membrane (PEM) water electrolysis hydrogen production technology. The following are the main characteristics and application advantages of nano-IrO₂ as an anode catalyst:

1. High catalytic activity
IrO₂ is an efficient oxygen evolution reaction (OER) catalyst that can promote the decomposition of water at low overpotential to generate oxygen and protons.
Nano-scale IrO₂ has a larger specific surface area and more active sites, which significantly improves the catalytic efficiency.

2. Excellent stability
IrO₂ shows good chemical stability in acidic environments and is suitable for the strong acidic working conditions of PEM electrolyzers.
The nanostructure can further enhance the mechanical stability and durability of the material and extend the service life of the catalyst.

3. Electrical conductivity
IrO₂ has good electrical conductivity, can effectively transfer electrons, and reduce energy loss during electrolysis.

4. Reduce the amount of iridium used
Iridium (Ir) is a rare and expensive precious metal. Nano-sizing can significantly reduce the amount of IrO₂ while maintaining high catalytic performance, thereby reducing catalyst costs.

A free consultation

Email us with any questions or inquiries or use our contact data. We would be happy to answer your questions.

Related Products
Nano RuO2 Ruthenium Dioxide
Good quality Nano RuO2 Ruthenium oxide for electronic paste

Hongwu Nano Ru02 has good catalytic activity, stable chemical properties, and is a metal-like properties of high conductivity metal oxides, have been widely used in resistance paste, the electrochemical catalysis, chlor-alkali industry and integrated circuits fields .

Nano Platinic oxide Particle
High Purity PtO2 Nanopowder Nano Platinic Oxide Particle

Nano Platinic oxide Particle is good as hydrogenation catalyst. Hongwu Nano customizes high purity PtO2 nanopowder with particle size from 20nm--1um, 99.95%purity. The element type Pt nanoparticle is also available, as well as water dispersion.

RUO2 Nanoparticles
RuO2, 20-30nm,99.95% Ruthenium(IV) Oxide nanoparticles

HONGWU supply RuO2 20nm-5um particle size adjustable. Ruthenium dioxide nanoparticles is an important raw material of producing resistors and capacitors.

IrO2 nanoparticles
IrO2, 20-30nm, 99.95% Iridium(IV) Oxide nanoparticles

IRO2 Iridium(IV) oxide nanoparticles, common available smallest size is 20-30nm with 99.95%. 20nm-5um particles size can be adjustable as required. The element iridium(Ir) nanopowder is also available.

Flexible Display Screen Used Ag Nanowire
Flexible Display Screen Used Ag Nanowire

Ag nanowire make display screen enter the flexible screen time.

Graphite Flake Powders
99.95% Battery Materials Graphite Flake Powders

Graphite Powders with the characteristic of high electrical conductivity and thermal shock resistance which as the battery materials and the refractories.

Sale metal Ni80Fe17Mo3 permalloy nanoparticles
Sale metal Ni80Fe17Mo3 permalloy nanoparticles

Find metal nickel alloy powder, Permalloy nanoparticles, NIFEMO alloy naopowders from Hongwu International Group Ltd. We are  professional nanoparticles supplier.

elegant colored ceramic accessories/ornament
elegant colored ceramic accessories/ornament

1.Hardness close to natural diamond, lighter than the metal, never wear, never change the color and so on.

Nano Germanium Metal Powder, Transistor Materials Germanium Powder
Nano Germanium Metal Powder, Transistor Materials Germanium Powder

Germanium metal powders are widely used as transistor materials with excellent performance. Adjustable size from 50nm-500nm Ge powders are available, with 99.9%purity.

 Copper nanowires
High dispersed Conductive Cu Copper nanowires

High dispersed Conductive Cu Copper nanowires for sale at competitive prices.

WC tungsten carbide powder
WC tungsten carbide powder for cutting tools

WC Tungsten carbide nanopowders with the size of the 80-100nm ,99.95% purity apply to the cutting tools.

 Au GOLD Powder
Infrared Shielding Material Micron Size 1-2um Global Au Powder

For the Au powder, we could not only supply nano size, but also could supply micron size 1-2um, yellow powder.

Copyright © 2010-2026 Hongwu International Group Ltd All Rights Reserved.

The professional team to service !

Chat now

Live chat

    Email us with any questions or inquiries or use our contact data. We would be happy to answer your questions.