Electrochemical characteristics of Co-Si alloy and multilayer films as anodes for lithium ion microbatteries

Young Lae Kim; Heon Young Lee; Serk Won Jang; Sung Hwan Lim; Seung Joo Lee; Hong Koo Baik; Young Soo Yoon; Sung Man Lee

doi:10.1016/S0013-4686(03)00302-5

Electrochemical characteristics of Co-Si alloy and multilayer films as anodes for lithium ion microbatteries

Young Lae Kim, Heon Young Lee, Serk Won Jang, Sung Hwan Lim, Seung Joo Lee, Hong Koo Baik, Young Soo Yoon, Sung Man Lee

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

66 Citations (Scopus)

Abstract

The cycling behaviors of Co-Si alloy and multilayered films, which were prepared by co-deposition from separate pure metal sources and by alternating deposition of different metals, respectively, are investigated. The alloy films with near stoichiometric compound composition of CoSi_2.06 and CoSi_2.2 exhibit an excellent cycling stability, but alloying with large excess Si results in capacity fading during cycling. The cycling stability of multilayers with average composition of CoSi_2.9 is improved significantly by post-annealing treatment at 350 °C. Nano-structured multilayer films are suggested as promising anode materials for thin-film batteries.

Original language	English
Pages (from-to)	2593-2597
Number of pages	5
Journal	Electrochimica Acta
Volume	48
Issue number	18
DOIs	https://doi.org/10.1016/S0013-4686(03)00302-5
Publication status	Published - 2003 Aug 1

Bibliographical note

Funding Information:
This work was supported by the Korea Ministry of Science and Technology through the research program for “National Research Laboratory”.

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Electrochemistry

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10.1016/S0013-4686(03)00302-5

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title = "Electrochemical characteristics of Co-Si alloy and multilayer films as anodes for lithium ion microbatteries",

abstract = "The cycling behaviors of Co-Si alloy and multilayered films, which were prepared by co-deposition from separate pure metal sources and by alternating deposition of different metals, respectively, are investigated. The alloy films with near stoichiometric compound composition of CoSi2.06 and CoSi2.2 exhibit an excellent cycling stability, but alloying with large excess Si results in capacity fading during cycling. The cycling stability of multilayers with average composition of CoSi2.9 is improved significantly by post-annealing treatment at 350 °C. Nano-structured multilayer films are suggested as promising anode materials for thin-film batteries.",

author = "Kim, {Young Lae} and Lee, {Heon Young} and Jang, {Serk Won} and Lim, {Sung Hwan} and Lee, {Seung Joo} and Baik, {Hong Koo} and Yoon, {Young Soo} and Lee, {Sung Man}",

note = "Funding Information: This work was supported by the Korea Ministry of Science and Technology through the research program for “National Research Laboratory”. ",

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doi = "10.1016/S0013-4686(03)00302-5",

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T1 - Electrochemical characteristics of Co-Si alloy and multilayer films as anodes for lithium ion microbatteries

AU - Kim, Young Lae

AU - Lee, Heon Young

AU - Jang, Serk Won

AU - Lim, Sung Hwan

AU - Lee, Seung Joo

AU - Baik, Hong Koo

AU - Yoon, Young Soo

AU - Lee, Sung Man

N1 - Funding Information: This work was supported by the Korea Ministry of Science and Technology through the research program for “National Research Laboratory”.

PY - 2003/8/1

Y1 - 2003/8/1

N2 - The cycling behaviors of Co-Si alloy and multilayered films, which were prepared by co-deposition from separate pure metal sources and by alternating deposition of different metals, respectively, are investigated. The alloy films with near stoichiometric compound composition of CoSi2.06 and CoSi2.2 exhibit an excellent cycling stability, but alloying with large excess Si results in capacity fading during cycling. The cycling stability of multilayers with average composition of CoSi2.9 is improved significantly by post-annealing treatment at 350 °C. Nano-structured multilayer films are suggested as promising anode materials for thin-film batteries.

AB - The cycling behaviors of Co-Si alloy and multilayered films, which were prepared by co-deposition from separate pure metal sources and by alternating deposition of different metals, respectively, are investigated. The alloy films with near stoichiometric compound composition of CoSi2.06 and CoSi2.2 exhibit an excellent cycling stability, but alloying with large excess Si results in capacity fading during cycling. The cycling stability of multilayers with average composition of CoSi2.9 is improved significantly by post-annealing treatment at 350 °C. Nano-structured multilayer films are suggested as promising anode materials for thin-film batteries.

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JF - Electrochimica Acta

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Electrochemical characteristics of Co-Si alloy and multilayer films as anodes for lithium ion microbatteries

Abstract

Bibliographical note

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