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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
hong199132: 金币+20, ★★★★★最佳答案, 谢谢 2017-05-05 14:58:52
sunshan4379: LS-EPI+1, 感谢应助！ 2017-05-05 19:51:14
Fabrication of niobium-based oxides/oxynitrides/nitrides and their applications in dye-sensitized solar cells and anaerobic digestion
作者:Zhang, TH (Zhang, Taihong)[ 1 ] ; Yun, SN (Yun, Sining)[ 1 ] ; Li, X (Li, Xue)[ 1 ] ; Huang, XL (Huang, Xinlei)[ 1 ] ; Hou, YZ (Hou, Yuzhi)[ 1 ] ; Liu, YF (Liu, Yanfang)[ 1 ] ; Li, J (Li, Jing)[ 1 ] ; Zhou, X (Zhou, Xiao)[ 1 ] ; Fang, W (Fang, Wen)[ 1 ]
JOURNAL OF POWER SOURCES
卷: 340 页: 325-336
DOI: 10.1016/j.jpowsour.2016.11.082
出版年: FEB 1 2017
查看期刊信息
摘要
Transition metal compounds (TMCs), as a representative family of functional materials, have attracted great attention in the field of renewable energy. Herein, Nb3.49N4.56O0.44 and NbN are prepared from the nitridation of NbO2 in an NH3 atmosphere. These dual-functional Nb-based compounds were applied to dye-sensitized solar cells (DSSCs) and anaerobic digestion (AD), and the efficiency and stability of these DSSCs and AD systems were systematically evaluated. The Nb3.49N4.56O0.44 counter electrode (CE) exhibited considerable electrocatalytic activity and stability in I-3(-) reduction in DSSCs, achieving photovoltaic performance comparable with Pt (6.36% vs. 7.19%). Furthermore, as accelerants, Nb-based compounds can greatly improve the AD environment, increasing substrate utilization and decreasing the hazards in the digestate. Compared with the control sample (409.2 mL/g.VS and 29.55%), substantially higher cumulative biogas production (437.1-522.7 mL/g.VS) and chemical oxygen demand removal rates (56.08%-65.19%) were achieved using Nb-based accelerants in the AD system. The nitridation technique is an effective and general means of converting Nb-based oxides into oxynitrides and nitrides. The Nb-based compounds with high electrocatalytic activities showed promise for DSSCs applications, while greatly enhancing the biodegradability of the AD system as accelerants. These findings could pave the way for multifunctional applications of TMCs in renewable energy fields. (C) 2016 Elsevier B.V. All rights reserved.
关键词
作者关键词:Nb-based compounds; Counter electrodes; Accelerants; Dye-sensitized solar cells; Anaerobic digestion
KeyWords Plus:COUNTER ELECTRODE CATALYSTS; SUPPORTED HAFNIUM OXYNITRIDE; OXYGEN REDUCTION REACTION; WASTE-WATER TREATMENT; MICROBIAL FUEL-CELL; CO-DIGESTION; HIGH-PERFORMANCE; NONNOBLE ELECTROCATALYST; BIOGAS PRODUCTION; HIGH-EFFICIENCY
作者信息
通讯作者地址: Yun, SN (通讯作者)
显示增强组织信息的名称 Xian Univ Architecture & Technol, Sch Mat & Mineral Resources, FML, Xian 710055, Shaanxi, Peoples R China.
地址:
显示增强组织信息的名称 [ 1 ] Xian Univ Architecture & Technol, Sch Mat & Mineral Resources, FML, Xian 710055, Shaanxi, Peoples R China
电子邮件地址:yunsining@xauat.edu.cn
基金资助致谢
基金资助机构 授权号
National Science & Technology Pillar Program during the Twelfth Five-year Plan Period
2012BAD47B02
NSFC
51672208
Sci-Tech R&D Program of Shaanxi Province
2010K01-120
2015JM5183
Shaanxi Provincial Department of Education
2013JK0927
SRF for ROCS, SEM
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出版商
ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
类别 / 分类
研究方向:Chemistry; Electrochemistry; Energy & Fuels; Materials Science
Web of Science 类别:Chemistry, Physical; Electrochemistry; Energy & Fuels; Materials Science, Multidisciplinary
文献信息
文献类型:Article
语种:English
入藏号: WOS:000392771900038
ISSN: 0378-7753
eISSN: 1873-2755
其他信息
IDS 号: EI8QG
Web of Science 核心合集中的 "引用的参考文献": 84
Web of Science 核心合集中的 "被引频次": 0 |
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