海水淡化
材料科学
阳极
电极
电解质
氧化还原
辅助电极
太阳能电池
光电化学电池
化学工程
色素敏化染料
太阳能淡化
纳米技术
光电子学
化学
膜
生物化学
物理化学
工程类
冶金
作者
Jiancong Zhang,Xing Wang,Mengjun Liang,Minxian Han,Jinhong Dai,Qiang Wei,Than Zaw Oo,Su Htike Aung,Kwun Nam Hui,Fuming Chen
标识
DOI:10.1021/acsami.2c04749
摘要
In this work, a solar-driven redox flow desalination system is reported, which combines a solar cell based on a Bi2O3 photoanode and a redox flow desalination cell through an integrated electrode. The Bi2O3 film was prepared through a simple one-step water bath deposition method and served as a photoanode after the coating of the N719 dye. The activated carbon (AC)-coated graphite paper served as both the integrated electrode and counter electrode. The I3-/I- redox electrolyte circulates in the solar cell channel between the photoanode and intergrated electrode, while the [Fe(CN)6]4-/[Fe(CN)6]3- electrolyte circulates in the redox flow desalination part between the integrated electrode and counter electrode. This dye-sensitized solar-driven desalination cell is capable of achieving a maximum salt removal rate of 62.89 μg/(cm2·min) without consuming any electrical power. The combination of the solar cell and redox flow desalination is highly efficient with double functions of desalination and energy release using light as a driving force. This current research work is significant for the development of efficient and stable photoanode materials in photoelectrochemical desalination.
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