Electrodeposited novel highly durable SiOC composite anode for Li battery above several thousands of cycles

Toshiyuki Momma; Seiichi Aoki; Hiroki Nara; Tokihiko Yokoshima; Tetsuya Osaka

doi:10.1016/j.elecom.2011.06.014

Electrodeposited novel highly durable SiOC composite anode for Li battery above several thousands of cycles

Toshiyuki Momma, Seiichi Aoki, Hiroki Nara, Tokihiko Yokoshima, Tetsuya Osaka

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

38 Citations (Scopus)

Abstract

A novel SiOC composite anode material for a Li battery was realized by electrochemical co-deposition of Si, C, and O elements. The composite was deposited by reduction of SiCl₄ in a propylene carbonate based solution. After the initiation process by reduction of the composite in a Li⁺ containing electrolyte solution, the SiOC composite was found to be about 3.3 μm in average thickness and the composite performed as a Li battery anode with over 1000 mAh g^{- 1} of Si for more than 2000 cycles, and moreover have continued for 7000 cycles with gradual degradation.

Original language	English
Pages (from-to)	969-972
Number of pages	4
Journal	Electrochemistry Communications
Volume	13
Issue number	9
DOIs	https://doi.org/10.1016/j.elecom.2011.06.014
Publication status	Published - 2011 Sep

Keywords

Anode
Electrodeposition
Li battery
Si
SiOC composite

ASJC Scopus subject areas

Electrochemistry

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10.1016/j.elecom.2011.06.014

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title = "Electrodeposited novel highly durable SiOC composite anode for Li battery above several thousands of cycles",

abstract = "A novel SiOC composite anode material for a Li battery was realized by electrochemical co-deposition of Si, C, and O elements. The composite was deposited by reduction of SiCl4 in a propylene carbonate based solution. After the initiation process by reduction of the composite in a Li+ containing electrolyte solution, the SiOC composite was found to be about 3.3 μm in average thickness and the composite performed as a Li battery anode with over 1000 mAh g- 1 of Si for more than 2000 cycles, and moreover have continued for 7000 cycles with gradual degradation.",

keywords = "Anode, Electrodeposition, Li battery, Si, SiOC composite",

author = "Toshiyuki Momma and Seiichi Aoki and Hiroki Nara and Tokihiko Yokoshima and Tetsuya Osaka",

note = "Funding Information: This work was partly supported by the Grant-in-Aid for Specially Promoted Research “Establishment of Electrochemical Device Engineering” and by the Global COE program “Center for Practical Chemical Wisdom” from MEXT, Japan .",

year = "2011",

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doi = "10.1016/j.elecom.2011.06.014",

language = "English",

volume = "13",

pages = "969--972",

journal = "Electrochemistry Communications",

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T1 - Electrodeposited novel highly durable SiOC composite anode for Li battery above several thousands of cycles

AU - Momma, Toshiyuki

AU - Aoki, Seiichi

AU - Nara, Hiroki

AU - Yokoshima, Tokihiko

AU - Osaka, Tetsuya

N1 - Funding Information: This work was partly supported by the Grant-in-Aid for Specially Promoted Research “Establishment of Electrochemical Device Engineering” and by the Global COE program “Center for Practical Chemical Wisdom” from MEXT, Japan .

PY - 2011/9

Y1 - 2011/9

N2 - A novel SiOC composite anode material for a Li battery was realized by electrochemical co-deposition of Si, C, and O elements. The composite was deposited by reduction of SiCl4 in a propylene carbonate based solution. After the initiation process by reduction of the composite in a Li+ containing electrolyte solution, the SiOC composite was found to be about 3.3 μm in average thickness and the composite performed as a Li battery anode with over 1000 mAh g- 1 of Si for more than 2000 cycles, and moreover have continued for 7000 cycles with gradual degradation.

AB - A novel SiOC composite anode material for a Li battery was realized by electrochemical co-deposition of Si, C, and O elements. The composite was deposited by reduction of SiCl4 in a propylene carbonate based solution. After the initiation process by reduction of the composite in a Li+ containing electrolyte solution, the SiOC composite was found to be about 3.3 μm in average thickness and the composite performed as a Li battery anode with over 1000 mAh g- 1 of Si for more than 2000 cycles, and moreover have continued for 7000 cycles with gradual degradation.

KW - Anode

KW - Electrodeposition

KW - Li battery

KW - Si

KW - SiOC composite

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JF - Electrochemistry Communications

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Electrodeposited novel highly durable SiOC composite anode for Li battery above several thousands of cycles

Abstract

Keywords

ASJC Scopus subject areas

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