Electrocatalytic water splitting to produce green hydrogen is a promising approach for clean energy generation. However, the commercial aspect of this approach is limited due to catalysts cost and feedstock. Thus design of an inexpensive and noble metal-free (Pt, Rh, Ir etc.) catalyst is desirable. Moreover, wastewater as a feedstock for hydrogen generation is not explored to its full potential for green hydrogen generation, which otherwise is also a problem to be managed especially in developing countries. In the present work, we have investigated an inex-pensive catalyst i.e. candle soot-derived carbon as an electrocatalyst for H2 generation from textile wastewater utilizing methylene blue as a model pollutant. The carbon catalyst is synthesized from the candle soot and is characterized for its structural and morphological properties. Carbon soot coated onto the nickel foam (CS@NF) proves as an efficient hydrogen evolution catalyst due to its excellent electrical conductivity and large active surface area. CS2.5@NF (with the loading of 2.5 mg cm-2) shows an overpotential and Tafel slope of 117 mV and 43.85 mV/dec, respectively in an acidic medium containing textile pollutants. Under optimal condition,-62% degradation is achieved within-90 min, along with the stable hydrogen production of-0.158 mmol per hour. These preliminary findings demonstrate the potential usage of an inexpensive non-noble metal free catalyst for simultaneous wastewater treatment as well as hydrogen generation.
机构:
Chinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
Chinese Acad Sci, Being Key Lab New Energy Mat & Devices, Inst Phys, Beijing 100190, Peoples R ChinaChinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
Chen, Guoping
Li, Fan
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机构:
Chinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
Chinese Acad Sci, Being Key Lab New Energy Mat & Devices, Inst Phys, Beijing 100190, Peoples R ChinaChinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
机构:
Chinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
Chinese Acad Sci, Being Key Lab New Energy Mat & Devices, Inst Phys, Beijing 100190, Peoples R ChinaChinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
Luo, Yanhong
Li, Dongmei
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机构:
Chinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
Chinese Acad Sci, Being Key Lab New Energy Mat & Devices, Inst Phys, Beijing 100190, Peoples R ChinaChinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
Li, Dongmei
Meng, Qingbo
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Chinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
Chinese Acad Sci, Being Key Lab New Energy Mat & Devices, Inst Phys, Beijing 100190, Peoples R ChinaChinese Acad Sci, Key Lab Renewable Energy, Inst Phys, Beijing 100190, Peoples R China
机构:
Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R ChinaNortheastern Univ, Coll Sci, Shenyang 110004, Peoples R China
Li, Tongtong
Li, Yahang
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Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R ChinaNortheastern Univ, Coll Sci, Shenyang 110004, Peoples R China
Li, Yahang
Wang, Chunyu
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Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R ChinaNortheastern Univ, Coll Sci, Shenyang 110004, Peoples R China
Wang, Chunyu
Gao, Zhi-Da
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Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China
Nanjing Univ, Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R ChinaNortheastern Univ, Coll Sci, Shenyang 110004, Peoples R China
Gao, Zhi-Da
Song, Yan-Yan
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Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R ChinaNortheastern Univ, Coll Sci, Shenyang 110004, Peoples R China
机构:
Wuhan Text Univ, Coll Mat Sci & Engn, Key Lab Text Fiber & Prod, Minist Educ, Wuhan 430073, Hubei, Peoples R ChinaWuhan Text Univ, Coll Mat Sci & Engn, Key Lab Text Fiber & Prod, Minist Educ, Wuhan 430073, Hubei, Peoples R China
Sun, Jiuxiao
Ge, Qizhong
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Wuhan Text Univ, Coll Mat Sci & Engn, Key Lab Text Fiber & Prod, Minist Educ, Wuhan 430073, Hubei, Peoples R ChinaWuhan Text Univ, Coll Mat Sci & Engn, Key Lab Text Fiber & Prod, Minist Educ, Wuhan 430073, Hubei, Peoples R China
Ge, Qizhong
Guo, Long
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机构:
China Univ Geosci Wuhan, Fac Mat Sci & Chem, Sustainable Energy Lab, 388 Lumo RD, Wuhan 430074, Hubei, Peoples R ChinaWuhan Text Univ, Coll Mat Sci & Engn, Key Lab Text Fiber & Prod, Minist Educ, Wuhan 430073, Hubei, Peoples R China
Guo, Long
Yang, Zehui
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China Univ Geosci Wuhan, Fac Mat Sci & Chem, Sustainable Energy Lab, 388 Lumo RD, Wuhan 430074, Hubei, Peoples R ChinaWuhan Text Univ, Coll Mat Sci & Engn, Key Lab Text Fiber & Prod, Minist Educ, Wuhan 430073, Hubei, Peoples R China
机构:
Chongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R China
Sun, Junli
Ding, Yufang
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Chongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R China
Ding, Yufang
He, Daiping
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Chongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R China
He, Daiping
Qiu, Xulin
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机构:
Chongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R China
Qiu, Xulin
Luo, Chengying
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机构:
Chongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R China
Luo, Chengying
Jiang, Ping
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机构:
Chongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R ChinaChongqing Normal Univ, Coll Chem, Chongqing Key Lab Green Catalysis Mat & Technol, Chongqing 401331, Peoples R China
机构:
Sichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R ChinaSichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R China
Wang, Xinghong
Gong, Xiaobo
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机构:
Sichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R China
Sichuan Prov Higher Educ Syst, Key Lab Special Waste Water Treatment, Chengdu 610066, Sichuan, Peoples R ChinaSichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R China
Gong, Xiaobo
Peng, Lin
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机构:
Sichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R ChinaSichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R China
Peng, Lin
Yang, Zhao
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机构:
Sichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R ChinaSichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R China
Yang, Zhao
Liu, Yong
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机构:
Sichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R China
Sichuan Prov Higher Educ Syst, Key Lab Special Waste Water Treatment, Chengdu 610066, Sichuan, Peoples R ChinaSichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Sichuan, Peoples R China