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Scalable production of 3D plum-pudding-like Si/C spheres: Towards practical application in Li-ion batteries
Hou, Guolin1,2; Cheng, Benli4; Cao, Yuebin1; Yao, Mingshui5; Li, Baoqiang1,2; Zhang, Chao6; Weng, Qunhong6; Wang, Xi3; Bando, Yoshio6; Golberg, Dmitri6; Yuan, Fangli1
Source PublicationNANO ENERGY
AbstractNanosized silicon (Si) has been widely investigated as a promising material for next generation lithium ion battery (LIB) anodes because of its ultrahigh capacity. However, only a few results can satisfy all aspects towards practical application, particularly the problems like low initial Coulombic efficiency, low volumetric capacity, huge volume change (> 290%), complicated fabrication methods, and especially low production remain unsolved. Here, we propose a 3D plum-pudding-like Si/C micro-/nano- composite (SiNS/C) design for an anode via quasi-industrial-scale production that tackles all these problems: largescale production of similar to 300 g/h, ultra-high initial Coulombic efficiency (ICE) of 88%, high volumetric capacity of similar to 1244 mA h cm(-3), and improved rate capability have been achieved. An in-situ high-resolution transmission electron microscopy (HRTEM) probing has testified that a design of Si/C nanospheres with the appropriate size enables only small volume variations (upon lithiation), e.g. similar to 48% for 50 nm Si/C spheres in the SiNS/C particles as required for the practical applications, and leads to the formation of a stable thin SEI layer on the outer surface of carbon coating layer. (C) 2016 Elsevier Ltd. All rights reserved.
KeywordScalable Production Plum-pudding-like Si/c Spheres In-situ Tem Li-ion Batteries
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
Funding OrganizationNational Natural Science Foundation of China (NSFC)(11535003) ; World Premier International Center for Materials Nanoarchitectonics (WPI-MANA) of NIMS
WOS IDWOS:000376824700014
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Cited Times:57[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Zhongguancun Beiertiao 1 Hao, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci UCAS, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Beijing Jiaotong Univ, Sch Sci, Beijing 100044, Peoples R China
4.Green Ecomanufacture Co Ltd, Tianjin Branch, Tianjin 301600, Peoples R China
5.Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, 155 Yangqiao Rd West, Fuzhou 350002, Peoples R China
6.Natl Inst Mat Sci NIMS, World Premier Int Ctr Mat Nanoarchitecton WPI MAN, Namiki 1-1, Tsukuba, Ibaraki 3050044, Japan
Recommended Citation
GB/T 7714
Hou, Guolin,Cheng, Benli,Cao, Yuebin,et al. Scalable production of 3D plum-pudding-like Si/C spheres: Towards practical application in Li-ion batteries[J]. NANO ENERGY,2016,24(JUNE):111-120.
APA Hou, Guolin.,Cheng, Benli.,Cao, Yuebin.,Yao, Mingshui.,Li, Baoqiang.,...&Yuan, Fangli.(2016).Scalable production of 3D plum-pudding-like Si/C spheres: Towards practical application in Li-ion batteries.NANO ENERGY,24(JUNE),111-120.
MLA Hou, Guolin,et al."Scalable production of 3D plum-pudding-like Si/C spheres: Towards practical application in Li-ion batteries".NANO ENERGY 24.JUNE(2016):111-120.
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