Knowledge Management System Of Institute of process engineering,CAS
Interpenetrated 3D porous silicon as high stable anode material for Li-Ion battery | |
Liu, YX; Qin, LJ; Liu, F; Fan, YM; Ruan, JJ; Zhang, SJ; Liu, Yanxia; Qin, Lijuan; Liu, Fan; Fan, Yameng; Ruan, Jingjing; Zhang, Suojiang | |
2018 | |
Source Publication | JOURNAL OF POWER SOURCES
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ISSN | 0378-7753 |
Volume | 406Pages:167 |
Abstract | Confronting issues of silicon-based anode for its huge volume change (similar to 320%), porous silicon attracts note-worthy attention. Most previous studies are concentrated on designing various sacrificial templates to endow silicon with marvelous shapes or structures. Herein, without the assistance of sacrificial template, a template-free method is developed to fabricate interpenetrated three-dimensional porous silicon. A silica composite gel, which possesses numerous nano-pores, is primarily constructed, and the silicon can be inherently equipped with these nano-pores via modified magnesiothermic reduction. Scanning electron microscope and transmission electron microscope images illustrate that the as-prepared porous silicon possesses bi-continuous structure. It also exhibits high initial reversible capacity (similar to 1.41 mAh cm(-2) at 0.16 mA cm(-2)), superior cycling stability (similar to 0.98 mAh cm(-2) after 200 cycles), and good rate performance. In addition, analysis of cyclic voltammetry curves and electrochemical impedance spectroscopy demonstrate that this porous silicon possesses appropriate channels for rapid Li(+ )transport and low electrochemical reaction polarization resistance. |
Keyword | Silicon-based Anode Size-dependent Fracture Template-free Method High-energy Composite Gel Amorphous-silicon Magnesiothermic Reduction At-carbon Bi-continues Structure Performance Lithium-ion Batteries Composite Nanoparticles Storage Framework Oxide |
Subtype | Article |
DOI | 10.1016/j.jpowsour.2018.10.028 |
WOS ID | WOS:000451936400019 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.ipe.ac.cn/handle/122111/26769 |
Collection | 中国科学院过程工程研究所 |
Recommended Citation GB/T 7714 | Liu, YX,Qin, LJ,Liu, F,et al. Interpenetrated 3D porous silicon as high stable anode material for Li-Ion battery[J]. JOURNAL OF POWER SOURCES,2018,406:167. |
APA | Liu, YX.,Qin, LJ.,Liu, F.,Fan, YM.,Ruan, JJ.,...&Zhang, Suojiang.(2018).Interpenetrated 3D porous silicon as high stable anode material for Li-Ion battery.JOURNAL OF POWER SOURCES,406,167. |
MLA | Liu, YX,et al."Interpenetrated 3D porous silicon as high stable anode material for Li-Ion battery".JOURNAL OF POWER SOURCES 406(2018):167. |
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Interpenetrated 3D p(3346KB) | 期刊论文 | 出版稿 | 限制开放 | CC BY-NC-SA | Application Full Text |
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