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Watermelon‐Inspired Si/C Microspheres with Hierarchical Buffer Structures for Densely Compacted Lithium‐Ion Battery Anodes
Author(s) -
Xu Quan,
Li JinYi,
Sun JianKun,
Yin YaXia,
Wan LiJun,
Guo YuGuo
Publication year - 2017
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201601481
Subject(s) - anode , materials science , lithium (medication) , scalability , microsphere , buffer (optical fiber) , battery (electricity) , margin (machine learning) , lithium ion battery , process (computing) , energy density , nanotechnology , service (business) , computer science , chemical engineering , engineering physics , database , physics , telecommunications , medicine , power (physics) , economy , electrode , quantum mechanics , machine learning , engineering , economics , endocrinology , operating system
A dual protection strategy is proposed to improve the properties of densely compacted Si/C anodes by designing hierarchical buffer structure and optimizing size distribution. The Si/C anodes exhibit exceptional cycling stability and rate capability at high mass loading and pressing density. The satisfactory performance and scalable process facilitate the practical applications of Si/C materials in high‐energy density lithium‐ion batteries.