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Updated: Apr 19, 2026
10:37
A Rapid Synthesis Method for Au, Pd, and Pt Aerogels Via Direct Solution-Based Reduction
Published on: June 18, 2018
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Next-Generation Aerogel Electrocatalysts for Oxygen Reduction Reaction
Kayode Adesina Adegoke1, Potlaki Foster Tseki1
1Department of Chemical and Physical Sciences, Faculty of Natural Science, Walter Sisulu University, Mthatha, South Africa.
Small (Weinheim an Der Bergstrasse, Germany)
|April 17, 2026
Summary
Aerogel electrocatalysts offer superior performance for the oxygen reduction reaction (ORR) due to their unique 3D structures. This review details their fabrication, properties, and potential for next-generation energy devices.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Aerogel electrocatalysts are advanced materials for the oxygen reduction reaction (ORR).
- Their ultralight nature, porous networks, and high conductivity enable efficient catalysis.
- They address kinetic and stability challenges in fuel cells and metal-air batteries.
Purpose of the Study:
- To provide a comprehensive review of aerogel-based electrocatalysts for ORR.
- To discuss the influence of structural configuration, composition, and mechanisms on ORR performance.
- To analyze recent developments and future prospects in this field.
Main Methods:
- Review of fabrication approaches including sol-gel, freeze-drying, supercritical drying, and template-guided methods.
- Analysis of metallic, heteroatom-doped carbon, and hybrid aerogels.
- Examination of structure-property relationships, advanced characterization, and mechanistic insights.
Main Results:
- Aerogels provide abundant active sites, efficient diffusion, and electron transport for enhanced ORR.
- Metallic, doped carbon, and hybrid aerogels show promising ORR performances.
- Integration into functional devices and operational stability are key considerations.
Conclusions:
- Future progress relies on scalable synthesis, mechanistic understanding, advanced characterization, and computational design.
- Materials informatics, green manufacturing, and bioinspired chemistry will accelerate practical applications.
- Aerogel electrocatalysts are poised to power sustainable energy technologies.
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