期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 712, 期 -, 页码 202-206出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2013.11.023
关键词
Lithium ion battery; Anode; Anatase; Silicon; Core-shell structure
资金
- research fund of the POSCO Chair Professor at Seoul National University
- National Research Foundation of Korea (NRF)
- Korea government (MEST) Seoul, Republic of Korea [2012-008226]
A nano-Si/TiO2 core-shell nanostructured electrode was synthesized using sol-gel method. The TiO2 shells were made with 10-nm thickness, and were structurally stable upon the intercalation/deintercalation of Li+, improve the cyclability of the Si electrode during cycling. The nano-Si/TiO2 core-shell nanostructured electrode showed a reversible capacity of ca. 1250 mA h g(-1) over 50 cycles. The reaction mechanism between the nano-Si/TiO2 core-shell nanostructured electrode and Li was investigated by ex situ analyses. (C) 2013 Elsevier B.V. All rights reserved.
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