期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 60, 期 -, 页码 199-203出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2015.09.004
关键词
TiO2(B); Nanowire; Lithium ion capacitor; Hydrogenation; Pseudocapacitor
资金
- U.S. Department of Energy, Office of Electricity, Energy Storage Systems Program, through Sandia National Laboratory
- Fluid Interface Reactions, Structures and Transport (FIRST) Center
- U.S. Department of Energy, Office of Science, Basic Energy Sciences
- BK-21 Plus program
- Korea CCS R&D program - Ministry of Science, ICT, and Future Planning [NRF-2014M1A8A1049297]
- National Research Foundation of Korea [2014M1A8A1049297] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
TiO2(B) nanowires have shown excellent capacitance and energy density with a very low charge transfer resistance in 80-mu m thick lithium ion capacitor electrodes. Nanowires hydrogenated by heat treatment at 500 degrees C showed improved Li ion diffusion and an increase in capacitance from 148 to 194 F/g as well as energy density from 23 to 30 Wh/kg. Hydrogenation of oxides as a way to improve their capacitance is critically discussed. (C) 2015 Elsevier B.V. All rights reserved.
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