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Nano Research 2019, 12(11): 2729-2735 https://doi.org/10.1007/s12274-019-2506-5
Research Article | Issue | Published: 29 August 2019

Self-powered electrochemical system by combining Fenton reaction and active chlorine generation for organic contaminant treatment

Show Author's Information Yawei Feng1,2,§,  Kai Han1,2,§,  Tao Jiang1,2,§,  Zhenfeng Bian3,  Xi Liang1,2,  Xia Cao1,2( ),  Hexing Li4( ),  Zhong Lin Wang1,2,5( )
CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing100083China
School of Nanoscience and TechnologyUniversity of Chinese Academy of SciencesBeijing100049China
Education Ministry Key and International Joint Lab of Resource Chemistry and Shanghai Key Lab of Rare Earth Functional MaterialsShanghai Normal UniversityShanghai200234China
School of Environmental and Chemical EngineeringShanghai University of Electric PowerShanghai200090China
School of Material Science and EngineeringGeorgia Institute of Technology, AtlantaGA30332USA

§ Yawei Feng, Kai Han, and Tao Jiang contributed equally to this work.

Keywords:
self-powered electrochemistry, Fenton reaction, active chlorine, organic contaminant degradation
Topics:
ChlorineElectrodes
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Feng Y, Han K, Jiang T, et al. Self-powered electrochemical system by combining Fenton reaction and active chlorine generation for organic contaminant treatment. Nano Research, 2019, 12(11): 2729-2735. https://doi.org/10.1007/s12274-019-2506-5
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Abstract Full text Electronic supplementary material About this article

Environmental deterioration, especially water pollution, is widely dispersed and could affect the quality of people's life at large. Though the sewage treatment plants are constructed to meet the demands of cities, distributed treatment units are still in request for the supplementary of centralized purification beyond the range of plants. Electrochemical degradation can reduce organic pollution to some degree, but it has to be powered. Triboelectric nanogenerator (TENG) is a newly-invented technology for low-frequency mechanical energy harvesting. Here, by integrating a rotary TENG (R-TENG) as electric power source with an electrochemical cell containing a modified graphite felt cathode for hydrogen peroxide (H2O2) along with hydroxyl radical (·OH) generation by Fenton reaction and a platinum sheet anode for active chlorine generation, a self-powered electrochemical system (SPECS) was constructed. Under the driven of mechanical energy or wind flow, such SPECS can efficiently degrade dyes after power management in neutral condition without any O2 aeration. This work not only provides a guideline for optimizing self-powered electrochemical reaction, but also displays a strategy based on the conversion from distributed mechanical energy to chemical energy for environmental remediation.


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Electronic supplementary material
About this article

Self-powered electrochemical system by combining Fenton reaction and active chlorine generation for organic contaminant treatment

Show Author's information Yawei Feng1,2,§, Kai Han1,2,§, Tao Jiang1,2,§, Zhenfeng Bian3, Xi Liang1,2, Xia Cao1,2( ), Hexing Li4( ), Zhong Lin Wang1,2,5( )
CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and NanosystemsChinese Academy of SciencesBeijing100083China
School of Nanoscience and TechnologyUniversity of Chinese Academy of SciencesBeijing100049China
Education Ministry Key and International Joint Lab of Resource Chemistry and Shanghai Key Lab of Rare Earth Functional MaterialsShanghai Normal UniversityShanghai200234China
School of Environmental and Chemical EngineeringShanghai University of Electric PowerShanghai200090China
School of Material Science and EngineeringGeorgia Institute of Technology, AtlantaGA30332USA

§ Yawei Feng, Kai Han, and Tao Jiang contributed equally to this work.

Abstract

Environmental deterioration, especially water pollution, is widely dispersed and could affect the quality of people's life at large. Though the sewage treatment plants are constructed to meet the demands of cities, distributed treatment units are still in request for the supplementary of centralized purification beyond the range of plants. Electrochemical degradation can reduce organic pollution to some degree, but it has to be powered. Triboelectric nanogenerator (TENG) is a newly-invented technology for low-frequency mechanical energy harvesting. Here, by integrating a rotary TENG (R-TENG) as electric power source with an electrochemical cell containing a modified graphite felt cathode for hydrogen peroxide (H2O2) along with hydroxyl radical (·OH) generation by Fenton reaction and a platinum sheet anode for active chlorine generation, a self-powered electrochemical system (SPECS) was constructed. Under the driven of mechanical energy or wind flow, such SPECS can efficiently degrade dyes after power management in neutral condition without any O2 aeration. This work not only provides a guideline for optimizing self-powered electrochemical reaction, but also displays a strategy based on the conversion from distributed mechanical energy to chemical energy for environmental remediation.

Keywords: self-powered electrochemistry, Fenton reaction, active chlorine, organic contaminant degradation

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Acknowledgements

Publication history

Received: 07 July 2019
Revised: 18 August 2019
Accepted: 22 August 2019
Published: 29 August 2019
Issue date: November 2019

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Acknowledgements

Acknowledgements

This work was supported by the National Key Technology R & D Program of China (No. 2016YFA0202704), Beijing Municipal Science & Technology Commission (Nos. Z171100000317001, Z171100002017017, and Y3993113DF), and the National Natural Science Foundation of China (Nos. 51432005, 5151101243, 51561145021, and 21761142011).

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