The Electrochemistry of Amorphous Si-B Thin Film Electrodes in Li Cells

标题

The Electrochemistry of Amorphous Si-B Thin Film Electrodes in Li Cells

作者

作者:Liu, H (Liu, Hui)^[1,2 ]; Zhu, M (Zhu, Min)^[1 ]; Du, ZJ (Du, Zhijia)^[3,4 ]; Obrovac, MN (Obrovac, M. N.)^[2,3,4 ]

期刊信息

摘要

Si1-B-x(x) thin films of 0.071 <= x <= 0.950 have been synthesized using combinational sputtering. All Si1-B-x(x) film compositions had a highly amorphous structure consisting of amorphous Si and B phases, as characterized by X-ray diffraction. In Li cells, it was found that all of the Si is active and the B is inactive with lithium. Otherwise, the Si1-B-x(x) films have similar characteristics as pure Si film electrodes in Li cells, except with reduced capacity due to the added B. However, shifts in the voltage curves appear when the B content is increased that may be induced by stress-voltage coupling between the active Si and the inactive B phases. (C) The Author(s) 2015. Published by ECS.

关键词

KeyWords Plus:LITHIUM-ION BATTERIES; COMBINATORIAL INVESTIGATIONS; COMPOSITE ANODES; BINARY-SYSTEM; IN-SITU; SILICON; TEMPERATURE; REACTANT; CAPACITY; NI

作者信息

作者信息

通讯作者地址:Liu, H (通讯作者)

S China Univ Technol, Sch Mat Sci & Engn, Key Lab Adv Energy Storage Mat Guangdong Prov, Guangzhou 510640, Guangdong, Peoples R China.   增强组织信息的名称     South China University of Technology

地址:

	[ 1 ] S China Univ Technol, Sch Mat Sci & Engn, Key Lab Adv Energy Storage Mat Guangdong Prov, Guangzhou 510640, Guangdong, Peoples R China   增强组织信息的名称     South China University of Technology
	[ 2 ] Dalhousie Univ, Dept Chem, Halifax, NS B3H 4R2, Canada   增强组织信息的名称     Dalhousie University
	[ 3 ] Dalhousie Univ, Dept Phys & Atmospher Sci, Halifax, NS B3H 4R2, Canada   增强组织信息的名称     Dalhousie University
	[ 4 ] Dalhousie Univ, Mat Res Inst, Halifax, NS B3H 4R2, Canada   增强组织信息的名称     Dalhousie University

电子邮件地址:mnobrovac@dal.ca

出版商

ELECTROCHEMICAL SOC INC, 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA

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