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学科主题: 物理化学
题名: Effect of water and annealing temperature of anodized TiO2 nanotubes on hydrogen production in photoelectrochemical cell
作者: Li, Yongkun1, 2;  Yu, Hongmei1;  Zhang, Changkun1, 2;  Song, Wei1;  Li, Guangfu1, 2;  Shao, Zhigang1;  Yi, Baolian1
通讯作者: 俞红梅
关键词: Photoelectrochemical cell ;  TiO2 nanotubes ;  Morphology ;  Annealing treatment ;  Hydrogen production
刊名: ELECTROCHIMICA ACTA
发表日期: 2013-09-30
DOI: 10.1016/j.electacta.2013.05.090
卷: 107, 页:313-319
收录类别: SCI
文章类型: Article
部门归属: DNL03
项目归属: DNL0301
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: An efficient and economical technology for hydrogen production via solar water splitting in a newly designed photoelectrochemical (PEC) cell is reported. The core of the PEC cell is a membrane electrode assembly (MEA) that consisted of a TiO2 nanotube photoanode, a Pt/C cathode and alkaline membrane. The TiO2 nanotube arrays (NTs) were prepared by electrochemical anodization of titanium mesh in a mixed electrolyte solution of glycol and NH4F and then calcined at different temperature to transform the amorphous structure into crystalline. Effect of water content on the morphology of the TiO2NTs is investigated, and the optimal amount of water in the electrolyte is between 10 wt% and 80 wt%. Emphasis was the effect of the annealing temperature of anodized TiO2NTs on the hydrogen production in the PEC cell. The results indicate that the crystal phase and morphology of TiO2NTs are stable at 450 degrees C, which exhibits the best photocatalytic activity. Photocurrent generation of 1.55 mA/cm(2) under UV-light irradiation under applied bias (0.6 V vs. Normal Hydrogen Electrode, NHE) shows good performance on hydrogen production. (C) 2013 Elsevier Ltd. All rights reserved.
关键词[WOS]: GENERATION ;  ARRAYS ;  CATHODE ;  DESIGN ;  LIGHT
语种: 英语
WOS记录号: WOS:000326661200038
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117547
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Li, Yongkun,Yu, Hongmei,Zhang, Changkun,et al. Effect of water and annealing temperature of anodized TiO2 nanotubes on hydrogen production in photoelectrochemical cell[J]. ELECTROCHIMICA ACTA,2013,107:313-319.
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