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Lithium Titanate Matrix-Supported Nanocrystalline Silicon Film as an Anode for Lithium-Ion Batteries.
Yu, Zhaozhe; Tian, Bingbing; Li, Ying; Fan, Dianyuan; Yang, Daoguo; Zhu, Guisheng; Cai, Miao; Yan, Dong Liang.
Afiliación
  • Yu Z; SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronic Science and Technology of Ministry of Education, College of Optoelectronic Engineering , Shenzhen University , Shenzhen 518060 , China.
  • Tian B; Guangxi Key Laboratory of Manufacturing Systems and Advanced Manufacturing Technology , Guilin University of Electronic Technology , Guilin 541004 , PR China.
  • Li Y; SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronic Science and Technology of Ministry of Education, College of Optoelectronic Engineering , Shenzhen University , Shenzhen 518060 , China.
  • Fan D; SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronic Science and Technology of Ministry of Education, College of Optoelectronic Engineering , Shenzhen University , Shenzhen 518060 , China.
  • Yang D; Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province , Shenzhen University , Shenzhen 518060 , China.
  • Zhu G; SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, International Collaborative Laboratory of 2D Materials for Optoelectronic Science and Technology of Ministry of Education, College of Optoelectronic Engineering , Shenzhen University , Shenzhen 518060 , China.
  • Cai M; Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province , Shenzhen University , Shenzhen 518060 , China.
  • Yan DL; Guangxi Key Laboratory of Manufacturing Systems and Advanced Manufacturing Technology , Guilin University of Electronic Technology , Guilin 541004 , PR China.
ACS Appl Mater Interfaces ; 11(1): 534-540, 2019 Jan 09.
Article en En | MEDLINE | ID: mdl-30525416
A facile preparation method of a Si-based anode with excellent cycling property is urgently required in the process of preparing lithium-ion batteries (LIBs). Here, lithium titanate (LTO) matrix-supported nanocrystalline Si film is prepared by radio frequency (RF) magnetron cosputtering utilizing LTO and silicon (Si) targets as the sputtering source. LTO-supported nanocrystalline Si film electrodes revealed a repeatable specific capacity of 1200 mA h g-1 at 150 mA g-1 with a maintenance of more than 75% even after 800 cycles. The remarkable electrochemical properties of the LTO-Si composite films could be attributed to the LTO matrix, preventing the electrolyte from directly making contact with the nanocrystalline Si materials, alleviating the stress of the periodic volume change and further providing efficient and rapid pathways for lithium-ion transport. The results suggest that Si-based LTO composite films are prospective anodes for LIBs, with high capacities and long cycling stabilities.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2019 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2019 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos