A ternary hybrid CuS/Cu2O/Cu nanowired photocathode for photocatalytic fuel cell

被引：25
作者：
Wang, Hao-Nan [1 ,2 ]
Chen, Xin [1 ,2 ]
Chen, Rong [2 ]
Zhu, Xun [1 ,2 ]
Liao, Qiang [1 ,2 ]
Ye, Ding-Ding [1 ,2 ]
Zhang, Biao [2 ]
Yu, You-Xu [2 ]
Zhang, Wei [2 ]
Li, Jin-Wang [1 ]
机构：
[1] Chongqing Univ, Key Lab Low Grade Energy Utilizat Technol & Syst, Minist Educ, Chongqing 400030, Peoples R China
[2] Chongqing Univ, Sch Energy & Power Engn, Inst Engn Thermophys, Chongqing 400030, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2019年 / 435卷
基金：
中国国家自然科学基金;
关键词：
CuS/Cu2O/Cu nanowired photocathode; Oxygen reduction reaction; Photoelectrochemical activity; Photocatalytic fuel cell; Electricity generation; WASTE-WATER TREATMENT; AIR-BREATHING CATHODE; PHOTOELECTROCHEMICAL CELL; ELECTRICITY PRODUCTION; PHOTOANODE; DEGRADATION; PERFORMANCE; ENERGY; PFC; NANOPARTICLES;
D O I：
10.1016/j.jpowsour.2019.226766
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
c High-performance photocathode development is critically important to improve the solar energy utilization. In this study, a highly-active visible-light responsive photocathode with the ternary hybrid CuS/Cu2O/Cu nanowires is proposed to enhance electron transfer via the nanowired and gradient band structure and thereby the solar energy utilization. The experimental results confirm the improved photoelectrochemical activity with the ternary hybrid CuS/Cu2O/Cu nanowired photocathode toward oxygen reduction reaction. Besides, a photocatalytic fuel cell with the ternary hybrid CuS/Cu2O/Cu nanowired photocathode is also developed for direct power generation accompanying with wastewater treatment. It is demonstrated that the ternary hybrid CuS/Cu2O/Cu nanowired photocathode shows promising perspective. This new photocathode can be employed not only for photocatalytic fuel cells but also for other photoelectrochemical systems.
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页数：8
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