Electrochemical Performance of Sn/SnO/Ni3Sn Composite Anodes for Lithium-Ion Batteries
- Authors
- Tuan Poi Nguyen; Kim, Ji Hyeon; Kim, Il Tae
- Issue Date
- Feb-2019
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Galvanic Replacement; Anodes; Alloy Composites; Lithium-Ion Batteries
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.19, no.2, pp.1001 - 1005
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 19
- Number
- 2
- Start Page
- 1001
- End Page
- 1005
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/1870
- DOI
- 10.1166/jnn.2019.15956
- ISSN
- 1533-4880
- Abstract
- We have synthesized a novel composite material Sn/SnO/Ni3Sn via galvanic replacement reaction between Sn and Ni2+ ions in triethylene glycol medium and at high temperature. The reaction time affected structure, particle size, and composition of Sn/SnO/Ni3Sn composites, which were analyzed by high resolution transmission electron microscopy, energy dispersive X-ray spectroscopy, and X-ray diffraction. The active component (Sn) reacts with Li+ ions while inactive component (Ni) acts as a metal framework to support the electrochemically active Sn, a buffer to reduce volume change during cycling, and the electron conductor. Among electrodes, the Sn/SnO/Ni3Sn-6h electrode demonstrated stable cycling and reversible capacity of 246 mAh g(-1) even after 300 cycles owing to the advantages from the unique hybrid structure.
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Collections - 공과대학 > 화공생명공학과 > 1. Journal Articles
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