Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
Synthesis and electrochemical performance of nanoporous Li4Ti5O12 anode material for lithium-ion batteries | |
Shao, Dan1; He, Jiarong1; Luo, Ying1; Liu, Wei1; Yu, Xiaoyuan1,2; Fang, Yueping1 | |
2012-06-01 | |
发表期刊 | JOURNAL OF SOLID STATE ELECTROCHEMISTRY |
卷号 | 16期号:6页码:2047-2053 |
摘要 | Nanoporous Li4Ti5O12 (N-LTO) was prepared by sol-gel method using monodisperse polystyrene spheres as a template and followed by calcination process. The as-prepared N-LTO has a spinel structure, large special surface area, and nanoporous structure with the pore average diameter of about 100 nm and wall thickness of 50 nm. Electrochemical experiments show that N-LTO exhibits a high initial discharge capacity of 189 mAh g(-1) at 0.1 C rate cycled between 0.5 and 3.0 V and excellent capacity retention of 170 mAh g(-1) after 100 cycles. EIS and CV analysis show that N-LTO has a higher mobility for Li+ diffusion and a higher exchange current density, indicating an improved electrochemical performance. It is believed that the nanoporous structure has a larger electrode/electrolyte contact area, resulting in better electrochemical properties at high charge/discharge rates. |
文章类型 | Article |
关键词 | Li4ti5o12 Nanoporous Structure Anode Material Lithium-ion Battery |
WOS标题词 | Science & Technology ; Physical Sciences |
DOI | 10.1007/s10008-011-1604-4 |
研究领域[WOS] | Electrochemistry |
关键词[WOS] | SOL-GEL METHOD ; SPINEL LI4TI5O12 ; NANOMATERIALS ; COMPOSITE ; STORAGE |
收录类别 | SCI |
语种 | 英语 |
WOS类目 | Electrochemistry |
WOS记录号 | WOS:000304456200005 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.giec.ac.cn/handle/344007/10168 |
专题 | 中国科学院广州能源研究所 |
作者单位 | 1.S China Agr Univ, Coll Sci, Inst Biomat, Guangzhou 510642, Guangdong, Peoples R China 2.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China |
推荐引用方式 GB/T 7714 | Shao, Dan,He, Jiarong,Luo, Ying,et al. Synthesis and electrochemical performance of nanoporous Li4Ti5O12 anode material for lithium-ion batteries[J]. JOURNAL OF SOLID STATE ELECTROCHEMISTRY,2012,16(6):2047-2053. |
APA | Shao, Dan,He, Jiarong,Luo, Ying,Liu, Wei,Yu, Xiaoyuan,&Fang, Yueping.(2012).Synthesis and electrochemical performance of nanoporous Li4Ti5O12 anode material for lithium-ion batteries.JOURNAL OF SOLID STATE ELECTROCHEMISTRY,16(6),2047-2053. |
MLA | Shao, Dan,et al."Synthesis and electrochemical performance of nanoporous Li4Ti5O12 anode material for lithium-ion batteries".JOURNAL OF SOLID STATE ELECTROCHEMISTRY 16.6(2012):2047-2053. |
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