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Materials
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Advanced Applications of Electrochemical Materials for Sensors and Catalysts
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Advanced Applications of Electrochemical Materials for Sensors and Catalysts

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: 20 November 2025 | Viewed by 230

Special Issue Editors

Dr. Mingzhi Jiao

E-Mail Website
Guest Editor
State and Local Joint Engineering Laboratory of Perception Mine, School of Information and Control Engineering, China University of Mining and Technology, Xuzhou 221116, China
Interests: semiconductor sensing chip; MEMS based intelligent gas sensor micro nano manufacturing technology; battery thermal management
Special Issues, Collections and Topics in MDPI journals
Dr. Jianxin Yi

E-Mail Website
Guest Editor
Department of Safety Science and Engineering, University of Science and Technology of China, Hefei, China
Interests: gas sensors; fire detection
Special Issues, Collections and Topics in MDPI journals
Dr. Tao Wang

E-Mail Website
Guest Editor
Shanghai Key Laboratory of Intelligent Sensing and Detection Technology, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
Interests: MEMS sensors; gas sensors; pattern recognition; machine learning; IoT
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nowadays, sensors are applied everywhere in society, from industry process control to environmental monitoring to smart home infrastructure. Catalysts are also hot topics. They are found in the petroleum industry, waste deep treatment facilities, and car exhaust treatment devices. Electrochemical materials such as TiO2, ZnO, and 2D materials can be employed in both areas. For example, TiO2 has excellent photoelectrochemical properties, which provide it with superior performance in photocatalysts and toxic gas removal applications. ZnO nanowires can be employed as sensing materials for room-temperature NO2 gas sensors. Graphene or MoS2 composites have been reported to be excellent room-temperature gas sensors or electrochemical catalysts. Many interesting and significant results are emerging in applications of electrochemical materials for sensors and catalysts. This Special Issue aims to report on some exciting work being conducted in this field. Topics of interest include, but are not limited to, the following:

  1. Metal oxides or 2D materials for gas sensors;
  2. Various electrochemical materials for photocatalysts or electrocatalysts;
  3. Application research based on electrochemical material-based gas sensor device or catalyst.

We look forward to receiving your contributions.

Dr. Mingzhi Jiao
Dr. Jianxin Yi
Dr. Tao Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • gas sensors
  • photocatalysis
  • electrocatalysis
  • semiconductor
  • 2D materials

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Published Papers (1 paper)

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Research

15 pages, 6574 KiB  
Article
Structural Engineering of Bimetallic CoCe-ZIF Derives Catalysts with Optimized Electronic Structure for Enhanced Oxygen Electrocatalysis
by Linxiang Zhou, Chaoyang Shi, Huaqi Wang, Danyang Wei, Haodong Jin, Haoqi Li, Zhiwei Meng and Mingli Xu
Materials 2025, 18(10), 2251; https://doi.org/10.3390/ma18102251 - 13 May 2025
Viewed by 148
Abstract
Developing efficient and durable non-precious metal catalysts for oxygen electrocatalysis in fuel cells and zinc–air batteries remains an urgent issue to be addressed. Herein, a bimetallic CoCe-NC catalyst is synthesized through pyrolysis of Co/Ce co-doped metal–organic frameworks (MOFs), retaining the inherently high surface [...] Read more.
Developing efficient and durable non-precious metal catalysts for oxygen electrocatalysis in fuel cells and zinc–air batteries remains an urgent issue to be addressed. Herein, a bimetallic CoCe-NC catalyst is synthesized through pyrolysis of Co/Ce co-doped metal–organic frameworks (MOFs), retaining the inherently high surface area of MOFs to maximize the exposure of Co-N and Ce-N active sites. The electronic interaction between Co and Ce atoms effectively modulates the adsorption/desorption behavior of oxygen-containing intermediates, thereby enhancing intrinsic catalytic activity. In alkaline media, the CoCe-NC catalyst exhibits E1/2 = 0.854 V electrocatalytic capability comparable to commercial Pt/C, along with superior methanol resistance and durability. Notably, CoCe-NC demonstrates an overpotential 84 mV lower than Pt/C at 300 mA cm−2 in a GDE half-cell. When the catalyst is employed as a cathode in zinc–air batteries, it demonstrates an open-circuit voltage of 1.47 V, a peak power density of 202 mW cm−2, and exceptional cycling durability. Full article
(This article belongs to the Special Issue Advanced Applications of Electrochemical Materials for Sensors and Catalysts)
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