Graphene wrapped silicon suboxides anodes with suppressed Li-uptake behavior enabled superior cycling stability
文献类型：期刊论文
| 作者 | Fu, Rusheng; Ji, Jingjing; Yun, Liang; Jiang, Yabei; Zhang, Jun; Zhou, Xufeng; Liu, Zhaoping |
| 刊名 | ENERGY STORAGE MATERIALS
 |
| 出版日期 | 2021 |
| 卷号 | 35页码:317-326 |
| 关键词 | LITHIUM-ION BATTERY MECHANO-ELECTROCHEMICAL INTERACTION HIGH-CAPACITY POROUS SILICON SI ELECTRODES NANOPARTICLES GROWTH DEFORMATION COMPOSITE |
| 英文摘要 | Silicon based anodes are prospective candidates for high energy density lithium ion batteries, but suffer from large volume expansion during cycling which leads to rapidly capacity fading. This work proposes a self-mechanical inhibition mechanism to restrict intrinsic Li-uptake in silicon suboxides (SiO) anode with graphene wrapping, and accordingly develops SiO/graphene/C composite anodes with superior cycling stability. The composite anode containing 19 wt% graphene, owing to interaction stress between SiO and graphene during lithiation reactions, behaves only 86% Li-uptake based on SiO itself, delivers 1244 mAh g(-1) reversible capacity at 0.05C, displays merely 67% volume expansion ratio (113% for SiO@C anode) after full lithiation and shows 86.2% capacity retention (44.9% for SiO@C anode) after 500 cycles at 1C. A 26.3 Ah pouch cell prepared with Ni-rich cathode and SiO/graphene/C blended graphite anode achieves energy density of 353 Wh kg(-1) at 2.8-4.3 V and displays 78.1% capacity retention after 500 cycles at 0.2C. |
| 源URL | [http://ir.nimte.ac.cn/handle/174433/22140]  |
| 专题 | 中国科学院宁波材料技术与工程研究所 2021专题_期刊论文 |
| 作者单位 | 1.Liu, ZP (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Adv Li Ion Battery Engn Lab, CAS Engn Lab Graphene, Ningbo 315201, Peoples R China. 2.Zhou, XF |
| 推荐引用方式 GB/T 7714 | Fu, Rusheng,Ji, Jingjing,Yun, Liang,et al. Graphene wrapped silicon suboxides anodes with suppressed Li-uptake behavior enabled superior cycling stability[J]. ENERGY STORAGE MATERIALS,2021,35:317-326. |
| APA | Fu, Rusheng.,Ji, Jingjing.,Yun, Liang.,Jiang, Yabei.,Zhang, Jun.,...&Liu, Zhaoping.(2021).Graphene wrapped silicon suboxides anodes with suppressed Li-uptake behavior enabled superior cycling stability.ENERGY STORAGE MATERIALS,35,317-326. |
| MLA | Fu, Rusheng,et al."Graphene wrapped silicon suboxides anodes with suppressed Li-uptake behavior enabled superior cycling stability".ENERGY STORAGE MATERIALS 35(2021):317-326. |
入库方式： OAI收割
来源：宁波材料技术与工程研究所
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