Impact of TiO2-II phase stabilized in anatase matrix by high-pressure torsion on electrocatalytic hydrogen production

Kaveh Edalati; Qing Wang; Hiroto Eguchi; Hadi Razavi-Khosroshahi; Hoda Emami; Miho Yamauchi; Masayoshi Fuji; Zenji Horita

doi:10.1080/21663831.2019.1609111

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Impact of TiO2-II phase stabilized in anatase matrix by high-pressure torsion on electrocatalytic hydrogen production

Original Report | 更新时间：2026-08-19

- Impact of TiO2-II phase stabilized in anatase matrix by high-pressure torsion on electrocatalytic hydrogen production
- Materials Research Letters Vol. 7, Issue 8, Pages: 334-339(2019)
- 作者机构：
  
  1. Department of Materials Science and Engineering Faculty of Engineering Kyushu University
  2. WPI International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University
  3. WPI International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University Fukuoka Japan
  4. Department of Applied Chemistry Faculty of Engineering Kyushu University
  5. Advanced Ceramics Research Center Nagoya Institute of Technology
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1609111
  CLC：
- Online First：23 April 2019，
  
  Published：2019
- 稿件说明：
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Kaveh Edalati, Qing Wang, Hiroto Eguchi, et al. Impact of TiO2-II phase stabilized in anatase matrix by high-pressure torsion on electrocatalytic hydrogen production[J]. Materials Research Letters, 2019, 7(8): 334-339.
DOI：

Kaveh Edalati, Qing Wang, Hiroto Eguchi, et al. Impact of TiO2-II phase stabilized in anatase matrix by high-pressure torsion on electrocatalytic hydrogen production[J]. Materials Research Letters, 2019, 7(8): 334-339. DOI： 10.1080/21663831.2019.1609111.

摘要

Abstract

BSTRACTElectrocatalysis using renewable energy sources provides a clean technology to produce hydrogen from water. Titanium oxide is considered as a potential electrocatalyst not only for hydrogen production but also for CO

conversion. In this study

to enhance the cathodic electrocatalytic activity of TiO

the phase composition on TiO

surface is modified by inclusion of high-pressure TiO

-II phase using high-pressure torsion (HPT) straining. Detailed spectroscopic studies revealed that the energy band gap is reduced and the valence band energy increased with increasing the TiO

-II fraction. The highest electrocatalytic activity for hydrogen production was achieved on an anatase-rich nanocomposite containing TiO

-II nanograins.

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