• HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
Saturday, August 23, 2025
BIOENGINEER.ORG
No Result
View All Result
  • Login
  • HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
  • HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
No Result
View All Result
Bioengineer.org
No Result
View All Result
Home NEWS Science News Chemistry

Dethroning electrocatalysts for hydrogen production with inexpensive alternative material

Bioengineer by Bioengineer
March 2, 2021
in Chemistry
Reading Time: 3 mins read
0
Share on FacebookShare on TwitterShare on LinkedinShare on RedditShare on Telegram

IMAGE

Credit: Tokyo Tech

Today, we can say without a shadow of doubt that an alternative to fossil fuels is needed. Fossil fuels are not only non-renewable sources of energy but also among the leading causes of global warming and air pollution. Thus, many scientists worldwide have their hopes placed on what they regard as the fuel of tomorrow: hydrogen (H2). Although H2 is a clean fuel with incredibly high energy density, efficiently generating large amounts of it remains a difficult technical challenge.

Water splitting–the breaking of water molecules–is among the most explored methods to produce H2. While there are many ways to go about it, the best-performing water splitting techniques involve electrocatalysts made from expensive metals, such as platinum, ruthenium, and iridium. The problem lies in that known electrocatalysts made from abundant metals are rather ineffective at the oxygen evolution reaction (OER), the most challenging aspect of the water-splitting process.

In a recent study published in ACS Applied Energy Materials, a team of scientists at Tokyo Institute of Technology, Japan, found a remarkable electrocatalyst candidate for cost-effective water splitting: calcium iron oxide (CaFe2O4). Whereas iron (Fe) oxides are mediocre at the OER, previous studies had noted that combining it with other metals could boost their performance to actually useful levels. However, as Assistant Professor and lead author Dr Yuuki Sugawara comments, no one had focused on CaFe2O4 as a potential OER electrocatalyst. “We wanted to unveil the potential of CaFe2O4 and elucidate, through comparisons with other iron-based bimetallic oxides, crucial factors that promote its OER activity,” he explains.

To this end, the team tested six kinds of iron-based oxides, including CaFe2O4. They soon found that the OER performance of CaFe2O4 was vastly greater than that of other bimetallic electrocatalysts and even higher than that of iridium oxide, a widely accepted benchmark. Additionally, they tested the durability of this promising material and found that it was remarkably stable; no significant structural nor compositional changes were seen after measurement cycles, and the performance of the CaFe2O4 electrode in the electrochemical cell remained high.

Eager to understand the reason behind the exceptional capabilities of this unexplored electrocatalyst, the scientists carried out calculations using density functional theory and discovered an unconventional catalytic mechanism. It appears that CaFe2O4 offers an energetically favorable pathway for the formation of oxygen bonds, which is a limiting step in the OER. Although more theoretical calculations and experiments will be needed to be sure, the results indicate that the close distance between multiple iron sites plays a key role.

The newly discovered OER electrocatalyst could certainly be a game changer, as Dr Sugawara remarks, “CaFe2O4 has many advantages, from its easy and cost-effective synthesis to its environmental friendliness. We expect it will be a promising OER electrocatalyst for water splitting and that it will open up a new avenue for the development of energy conversion devices.” In addition, the new OER boosting mechanism found in CaFe2O4 could lead to the engineering of other useful catalysts. Let us hope these findings help pave the way to the much-needed hydrogen society of tomorrow!

###

Media Contact
Kazuhide Hasegawa
[email protected]

Original Source

https://www.titech.ac.jp/english/news/2021/049096.html

Related Journal Article

http://dx.doi.org/10.1021/acsaem.0c02710

Tags: Industrial Engineering/ChemistryMaterialsTechnology/Engineering/Computer Science
Share13Tweet8Share2ShareShareShare2

Related Posts

blank

First-ever observation of the transverse Thomson effect unveiled

August 23, 2025
blank

Breakthrough in Computer Hardware Advances Solves Complex Optimization Challenges

August 23, 2025

New Molecular-Merged Hypergraph Neural Network Enhances Explainable Predictions of Solvation Gibbs Free Energy

August 22, 2025

Shaping the Future of Dysphagia Diets Through 3D Printing Innovations

August 22, 2025
Please login to join discussion

POPULAR NEWS

  • blank

    Molecules in Focus: Capturing the Timeless Dance of Particles

    141 shares
    Share 56 Tweet 35
  • New Drug Formulation Transforms Intravenous Treatments into Rapid Injections

    114 shares
    Share 46 Tweet 29
  • Neuropsychiatric Risks Linked to COVID-19 Revealed

    81 shares
    Share 32 Tweet 20
  • Modified DASH Diet Reduces Blood Sugar Levels in Adults with Type 2 Diabetes, Clinical Trial Finds

    60 shares
    Share 24 Tweet 15

About

We bring you the latest biotechnology news from best research centers and universities around the world. Check our website.

Follow us

Recent News

Multi-Omics Reveal Nerve Macrophages in Polyneuropathy

Optimizing Basal Insulin Titration: Digital Solutions in India

Green Synthesis of Silver Nanoparticles Using Cajanus cajan Pods

  • Contact Us

Bioengineer.org © Copyright 2023 All Rights Reserved.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In
No Result
View All Result
  • Homepages
    • Home Page 1
    • Home Page 2
  • News
  • National
  • Business
  • Health
  • Lifestyle
  • Science

Bioengineer.org © Copyright 2023 All Rights Reserved.