New Si-O-C composite film anode materials for LIB by electrodeposition

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19 Citations (Scopus)

Abstract

Silicon is one of the most promising materials for lithium secondary battery anodes. However, silicon anodes have a critical drawback to their practical application, which is capacity degradation due to pulverization of the active material by the large volume change of silicon during charge-discharge cycles. This paper reviews recent studies on silicon-based anodes that have attempted to overcome this poor cycle durability through structural control such as through thin films, porous structures, core-shell structures, and by alloying with other metals, and by application of proper binders. Among them, binder-free Si-O-C composite films prepared by electrodeposition exhibit outstanding cycle durability. The origin of this excellent durability is discussed in depth from the standpoint of chemical and morphological changes. Consequently, the combination of active materials such as Si and Li 2Si2O5 and inactive materials such as Li 2O, Li2CO3, and organic compounds is suggested to result in outstanding properties as a lithium secondary battery anode.

Original languageEnglish
Pages (from-to)883-896
Number of pages14
JournalJournal of Materials Chemistry A
Volume2
Issue number4
DOIs
Publication statusPublished - 2014 Jan 28

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Composite films
Silicon
Electrodeposition
Anodes
Durability
Secondary batteries
Lithium
Binders
Alloying
Organic compounds
Metals
Degradation
Thin films

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

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title = "New Si-O-C composite film anode materials for LIB by electrodeposition",
abstract = "Silicon is one of the most promising materials for lithium secondary battery anodes. However, silicon anodes have a critical drawback to their practical application, which is capacity degradation due to pulverization of the active material by the large volume change of silicon during charge-discharge cycles. This paper reviews recent studies on silicon-based anodes that have attempted to overcome this poor cycle durability through structural control such as through thin films, porous structures, core-shell structures, and by alloying with other metals, and by application of proper binders. Among them, binder-free Si-O-C composite films prepared by electrodeposition exhibit outstanding cycle durability. The origin of this excellent durability is discussed in depth from the standpoint of chemical and morphological changes. Consequently, the combination of active materials such as Si and Li 2Si2O5 and inactive materials such as Li 2O, Li2CO3, and organic compounds is suggested to result in outstanding properties as a lithium secondary battery anode.",
author = "Tetsuya Osaka and Hiroki Nara and Toshiyuki Momma and Tokihiko Yokoshima",
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T1 - New Si-O-C composite film anode materials for LIB by electrodeposition

AU - Osaka, Tetsuya

AU - Nara, Hiroki

AU - Momma, Toshiyuki

AU - Yokoshima, Tokihiko

PY - 2014/1/28

Y1 - 2014/1/28

N2 - Silicon is one of the most promising materials for lithium secondary battery anodes. However, silicon anodes have a critical drawback to their practical application, which is capacity degradation due to pulverization of the active material by the large volume change of silicon during charge-discharge cycles. This paper reviews recent studies on silicon-based anodes that have attempted to overcome this poor cycle durability through structural control such as through thin films, porous structures, core-shell structures, and by alloying with other metals, and by application of proper binders. Among them, binder-free Si-O-C composite films prepared by electrodeposition exhibit outstanding cycle durability. The origin of this excellent durability is discussed in depth from the standpoint of chemical and morphological changes. Consequently, the combination of active materials such as Si and Li 2Si2O5 and inactive materials such as Li 2O, Li2CO3, and organic compounds is suggested to result in outstanding properties as a lithium secondary battery anode.

AB - Silicon is one of the most promising materials for lithium secondary battery anodes. However, silicon anodes have a critical drawback to their practical application, which is capacity degradation due to pulverization of the active material by the large volume change of silicon during charge-discharge cycles. This paper reviews recent studies on silicon-based anodes that have attempted to overcome this poor cycle durability through structural control such as through thin films, porous structures, core-shell structures, and by alloying with other metals, and by application of proper binders. Among them, binder-free Si-O-C composite films prepared by electrodeposition exhibit outstanding cycle durability. The origin of this excellent durability is discussed in depth from the standpoint of chemical and morphological changes. Consequently, the combination of active materials such as Si and Li 2Si2O5 and inactive materials such as Li 2O, Li2CO3, and organic compounds is suggested to result in outstanding properties as a lithium secondary battery anode.

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