Platinum–Platinum Rotating Ring-Disk Electrode (Pt–Pt RRDE)

Overview

The Platinum–Platinum Rotating Ring-Disk Electrode (Pt–Pt RRDE) from ScienceGears is engineered for advanced electrochemical investigations that demand high catalytic activity, superior durability, and precise control of coupled redox reactions. Featuring both platinum disk and platinum ring, this RRDE configuration enables researchers to simultaneously evaluate reaction kinetics and intermediate product formation under well-defined hydrodynamic conditions.

Principle of Operation

In RRDE experiments, the rotating disk electrode initiates an electrochemical process while the surrounding ring collects or quantifies intermediates transported through the diffusion layer. The Pt–Pt configuration ensures excellent electrical conductivity and catalytic uniformity, ideal for oxygen reduction (ORR), hydrogen evolution (HER), chlorine evolution, and fuel cell catalyst studies. Its robust structure allows operation in acidic, alkaline, and neutral electrolytes.

Key Specifications

• Disk Material: High-purity (99.99%) platinum
• Ring Material: High-purity (99.99%) platinum
• Body Material: Chemically resistant PTFE or PEEK housing
• Electrical Contacts: Dual independent gold-plated connectors
• Typical Collection Efficiency: ~37% (customisable options available)
• Compatibility: Fits RRDE rotators from Autolab, Ivium, Pine, ALS Japan, BioLogic, and Gamry
  
  

Applications

Ideal for:

• Oxygen and hydrogen evolution/reduction (ORR, OER, HER) studies
• Fuel cell electrocatalyst evaluation
• Corrosion and electrodeposition analysis
• Kinetic and mechanistic electrochemical research
  
  

Why Choose ScienceGears

The Pt–Pt RRDE from ScienceGears is built to deliver precision, reproducibility, and compatibility with all major RRDE rotator systems. Each electrode undergoes rigorous quality inspection for concentricity, surface finish, and electrical integrity.
ScienceGears also provides complementary instruments including potentiostats, RRDE controllers, and in-situ analysis cells, enabling a fully integrated electrochemical research platform.

---

Disclaimer: ScienceGears is not affiliated with Autolab, Ivium, Pine, ALS Japan, BioLogic, or Gamry. Brand names are used solely for compatibility reference.