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Deposition characteristics and behaviour of high-pressure cold-sprayed silicon powder  ( SCI-EXPANDED收录 EI收录)   被引量:4

文献类型:期刊文献

英文题名:Deposition characteristics and behaviour of high-pressure cold-sprayed silicon powder

作者:Song, Jun Liu, Juanfang Li, Kepin Tang, Wenyong Chen, Qinghua

第一作者:Song, Jun

通信作者:Song, J[1];Song, J[2]

机构:[1]Chongqing Univ, Coll Power Engn, 174 ShazhengJie, Chongqing, Peoples R China;[2]Minist Educ PRC, Key Lab Lowgrade Energy Utilizat Technol & Syst, Chongqing 400044, Peoples R China;[3]Guizhou Inst Technol, Sch Elect & Informat Engn, Guiyang, Guizhou, Peoples R China

第一机构:Chongqing Univ, Coll Power Engn, 174 ShazhengJie, Chongqing, Peoples R China

通信机构:corresponding author), Chongqing Univ, Coll Power Engn, 174 ShazhengJie, Chongqing, Peoples R China;corresponding author), Minist Educ PRC, Key Lab Lowgrade Energy Utilizat Technol & Syst, Chongqing 400044, Peoples R China.

年份:2018

卷号:34

期号:5

起止页码:344-351

外文期刊名:SURFACE ENGINEERING

收录:;EI(收录号:20173204031326);Scopus(收录号:2-s2.0-85026878559);WOS:【SCI-EXPANDED(收录号:WOS:000426112000002)】;

基金:The work was supported by the National Natural Science Foundation of China (No. 51206196) and the Natural Science Foundation of Guizhou Province, China (No. LH [2014]7361).

语种:英文

外文关键词:Deposition morphology; deposition behaviour; covered structure; high-pressure cold spraying fabrication

摘要:The high-pressure cold spraying technology was adopted to deposit silicon particles on the copper substrates for preparing the silicon-based electrode of lithium-ion batteries. The deposition of silicon powder was accomplished at two spray process parameter sets by impacting the particle stream or individual particle. The microstructure and the morphology of the silicon coatings were characterised by scanning electron microscopy. A single-silicon particle represents three different deposition behaviours. The mass gains of as-sprayed samples are negative over multiple spray passes, but the thin silicon coating with the particular covered structures is formed. Increasing the number of spray pass cannot cause the obvious increase in the coating thickness. The interfacial morphology of the silicon coatings indicates that, except for the plastic deformation of the copper substrate, both the mechanical interlock effect among the deposited silicon particles and even the chemical binding contributing to the effective bond of silicon particles to the substrate.

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