Nitridated Si-Ti-Ni alloy as an anode for Li rechargeable batteries

Title
Nitridated Si-Ti-Ni alloy as an anode for Li rechargeable batteries
Author(s)
송태섭Ki Chun Kil[Ki Chun Kil]Yeryoung Jeon[Yeryoung Jeon]Sangkyu Lee[Sangkyu Lee]Woo Cheol Shin[Woo Cheol Shin]Byungjoo Chung[Byungjoo Chung]Kyungjung Kwon[Kyungjung Kwon]Ungyu Paik[Ungyu Paik]
Keywords
LITHIUM BATTERIES; SILICON; MATRIX; FILMS
Issue Date
201405
Publisher
ELSEVIER SCIENCE BV
Citation
JOURNAL OF POWER SOURCES, v.253, pp.282 - 286
Abstract
Nitridated Si-Ti-Ni (STN) ternary alloy as an anode for lithium ion batteries is prepared by the NH3 nitridation of STN alloy. The nitridated STN electrode shows 14% increased reversible capacity and 4 times higher rate capability at 3 C compared to those of pristine STN electrode. These improvements are attributed to the formation of nitride compounds (such as SiNx/SiNxOy, TiNx/TiNxOy and NiNx/NiNxOy) on STN alloy, which benefits both mechanics and kinetics. (C) 2013 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/32158http://dx.doi.org/10.1016/j.jpowsour.2013.12.041
ISSN
0378-7753
Appears in Collections:
공과대학 > 신소재공학부 > Articles
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