Cathodic catalysts in bioelectrochemical systems for energy recovery from wastewater
Bioelectrochemical systems (BESs), in which microorganisms are utilized as a self-regenerable catalyst at the anode of an electrochemical cell to directly extract electrical energy from organic matter, have been widely recognized as a promising technology for energy-efficient wastewater treatment or...
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| Published in | Chemical Society reviews Vol. 43; no. 22; pp. 7718 - 7745 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
England
21.11.2014
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| Subjects | |
| Online Access | Get full text |
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| Summary: | Bioelectrochemical systems (BESs), in which microorganisms are utilized as a self-regenerable catalyst at the anode of an electrochemical cell to directly extract electrical energy from organic matter, have been widely recognized as a promising technology for energy-efficient wastewater treatment or even for net energy generation. However, currently BES performance is constrained by poor cathode reaction kinetics. Thus, there is a strong impetus to improve the cathodic catalysis performance through proper selection and design of catalysts. This review introduces the fundamentals and current development status of various cathodic catalysts (including electrocatalysts, photoelectrocatalysts and bioelectrocatalysts) in BES, identifies their limitations and influential factors, compares their catalytic performances in terms of catalytic efficiency, stability, selectivity,
etc.
, and discusses the possible optimization strategies and future research directions. Special focus is given on the analysis of how the catalytic performance of different catalysts can be improved by fine tuning their physicochemical or physiological properties.
This review introduces the properties, challenges and new opportunities of various cathodic catalysts including electrocatalysts, photoelectrocatalysts and bioelectrocatalysts in BES. |
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| Bibliography: | Xian-Wei Liu received his PhD from the University of Science & Technology of China (USTC) under the direction of Professor Han-Qing Yu in 2011. His research has focused on chemical and biological catalysis in bioelectrochemical systems. Dr Liu is now a postdoctoral fellow at Arizona State University, USA. He is involved in National Institutes of Health projects aimed at the development and application of plasmon-based electrochemical microscopy. He has published over 30 papers in peer-reviewed international journals. Wen-Wei Li is an associate professor from the Department of Chemistry, the University of Science & Technology of China (USTC). He received his PhD from the Chinese Academy of Sciences in 2008. After postdoctoral training at USTC, he joined the faculty at this university in 2010. His research expertise is in renewable energy, bioelectrochemistry and environmental biotechnology. He has published more than 60 peer-reviewed international papers and 5 invited book chapters. Han-Qing Yu is currently a professor in the Department of Chemistry, USTC. He received his PhD from Tongji University, China in 1994. After that, he worked as a Marie Curie postdoctoral fellow at the University of Newcastle upon Tyne, a research fellow at the Nanyang Technological University, and a research assistant professor at the Hong Kong University. He is now an Associate Editor of Water Research and an editorial board member of eight international journals. His research interests include contaminant biodegradation and nanomaterials for environmental application. He has published more than 300 international peer-reviewed papers and 4 invited book chapters. ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-3 content type line 23 ObjectType-Review-1 |
| ISSN: | 0306-0012 1460-4744 |
| DOI: | 10.1039/c3cs60130g |