Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Catalysis

Catalysis

The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Enhancing the Catalytic Activity of Co Sites by the Synergistic Effect of Vacancy and Heterojunction Engineering for Efficient Electroreduction Nitrate to Ammonia.

Small (Weinheim an der Bergstrasse, Germany)·2026

Same author

Paired Fe Single-Atoms Coordinated by N and Se as Oxygen Electrocatalysts for High-Performance Zinc-Air Battery.

Small (Weinheim an der Bergstrasse, Germany)·2025

Same author

Recent progress in polyaniline-based catalysts for electrochemical energy conversion.

Nanoscale·2025

Same author

Fe<sub>2</sub>P/ZnS Heterostructures Supported on N-Doped Porous Carbon as Efficient Oxygen Reduction Electrocatalysts for High-Performance Zinc-Air Batteries.

Small (Weinheim an der Bergstrasse, Germany)·2025

Same author

Recent Progress in the Design and Application of Strong Metal-Support Interactions in Electrocatalysis.

Inorganic chemistry·2025

Same author

Ni Single Atoms/Fe<sub>3</sub>N Nanoparticles Supported by N-Doped Carbon Hollow Nanododecahedras with Nanotubes on the Surface for Efficient Electro-Reduction of CO<sub>2</sub> to CO.

Small (Weinheim an der Bergstrasse, Germany)·2025

Search research articles

Related Experiment Video

Updated: Mar 8, 2026

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

Efficient Hydrogen Evolution Electrocatalysis Using Cobalt Nanotubes Decorated with Titanium Dioxide Nanodots.

Jin-Xian Feng¹, Han Xu¹, Yu-Tao Dong¹

¹MOE Laboratory of Bioinorganic and Synthetic Chemistry, The Key Lab of Low-carbon Chemistry & Energy Conservation of Guangdong Province, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China.

Angewandte Chemie (International Ed. in English)

|February 1, 2017

Summary

This study introduces novel titanium dioxide (TiO2) and cobalt (Co) nanostructures as efficient, low-cost catalysts for the hydrogen evolution reaction (HER) in alkaline environments. These earth-abundant materials significantly enhance hydrogen production, paving the way for sustainable energy solutions.

Keywords:

electrocatalysts hydrogen evolution reaction nanosheets nanotubes renewable energies

More Related Videos

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

Solar-Driven Electrochemical Green Fuel Production from CO₂ and Water Using Ti₃C₂T_x MXene-Supported CuZn and NiCo Catalysts

Published on: November 7, 2025

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Related Experiment Videos

Last Updated: Mar 8, 2026

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts

Solar-Driven Electrochemical Green Fuel Production from CO₂ and Water Using Ti₃C₂T_x MXene-Supported CuZn and NiCo Catalysts

Published on: November 7, 2025

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

Area of Science:

Materials Science
Electrochemistry
Catalysis

Background:

Developing efficient and cost-effective electrocatalysts for the hydrogen evolution reaction (HER) is crucial for sustainable hydrogen production.
Earth-abundant materials are highly sought after to replace expensive noble metal catalysts.
Alkaline media present unique challenges and opportunities for HER electrocatalysis.

Purpose of the Study:

To synthesize and characterize novel TiO2 nanodots decorated Co Nanotubes grown on Carbon Fibers (TiO2 NDs/Co NSNTs-CFs).
To evaluate the electrocatalytic performance of TiO2 NDs/Co NSNTs-CFs for the HER in alkaline solution.
To elucidate the mechanism by which the TiO2-Co hybrid structure enhances HER activity.

Main Methods:

Synthesis of TiO2 NDs/Co NSNTs-CFs via a combination of methods (details not specified in abstract).
Electrochemical characterization using techniques such as cyclic voltammetry and linear sweep voltammetry.
Electrocatalytic performance testing in alkaline electrolyte.

Main Results:

TiO2 NDs/Co NSNTs-CFs exhibited high catalytic performance for the HER in alkaline solution.
The hybrid structure effectively promotes water adsorption and optimizes hydrogen adsorption free energy.
Enhanced water activation was observed due to the TiO2-Co interaction.

Conclusions:

TiO2 NDs/Co NSNTs-CFs are high-performance, earth-abundant electrocatalysts for HER in alkaline media.
The synergistic effect between TiO2 and Co is key to the enhanced catalytic activity.
This work provides a new strategy for designing low-cost, high-efficiency HER catalysts.