Study on low-temperature performances of Nb16W5O55 anode for lithium-ion batteries
文献类型：期刊论文
| 作者 | Ma, Xiao-Hang1,2; Cao, Xian2; Ye, Yuan-Yuan2; Qiao, Fan2; Qian, Men-Fa2; Wei, Yi-Yong2; Wu, Yao-Dong2; Zi, Zhen-Fa2; Dai, Jian-Ming1
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| 刊名 | SOLID STATE IONICS
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| 出版日期 | 2020-10-01 |
| 卷号 | 353 |
| 关键词 | Nb16W5O55 Low-temperature Anode Lithium-ion batteries |
| ISSN号 | 0167-2738 |
| DOI | 10.1016/j.ssi.2020.115376 |
| 通讯作者 | Zi, Zhen-Fa(zfzi@issp.ac.cn) ; Dai, Jian-Ming(jmdai@issp.ac.cn) |
| 英文摘要 | Niobium tungsten oxide Nb16W5O55 is a competitive anode for lithium-ion batteries, while seldom research on low-temperature electrochemical properties. In this paper, Nb16W5O55 is synthesized by solid phase reaction and the effects of operation temperature (25, 0 and - 20 degrees C) on the coulombic efficiency, cycling stability, rate capacity and crystal structure are studied in detail. At 25 degrees C, Nb16W5O55 electrode can give good cycling stability of 184 mAh g(-1) after 404 cycles and rate capacity of 101 mAh g(-1) at 4000 mA g(-1). By contrast, the electrochemical properties decrease obviously at subambient temperatures. Electrochemical impedance spectroscopy reveal that the sharp increase of the charge-transfer impedance and the decrease of the solid-phase Li' diffusion coefficient are the essential factors leading to the deterioration of low temperature performances. However, the low temperature mainly affects specific capacities and rate performances, but has little effect on cyclic stability and crystal structure of Nb16W5O55 electrode, indicated by ex-situ X-ray diffraction analysis. These results provide some new insights for the practical application of Nb16W5O55 anode. |
| WOS关键词 | LI4TI5O12 ; NANOWIRES ; COMPOSITE ; W9NB8O47 ; PHASES |
| 资助项目 | NSFC[U16321611] ; Natural Science Foundation of Anhui Province[KJ2019A0723] ; Natural Science Foundation of Anhui Province[1808085QE154] ; Natural Science Foundation of Anhui Province[1808085JQ13] ; Natural Science Foundation of Anhui Province[gxgnfx2019024] ; Research Funds for Hefei Normal University[2019ylkc02] ; Research Funds for Hefei Normal University[2019GDTC06] ; Research Funds for Hefei Normal University[201814098170] ; Research Funds for Hefei Normal University[201914098201] |
| WOS研究方向 | Chemistry ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000561809100012 |
| 出版者 | ELSEVIER |
| 资助机构 | NSFC ; Natural Science Foundation of Anhui Province ; Research Funds for Hefei Normal University |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/43105]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Zi, Zhen-Fa; Dai, Jian-Ming |
| 作者单位 | 1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China 2.Hefei Normal Univ, Sch Phys & Mat Engn, Hefei 230601, Anhui, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ma, Xiao-Hang,Cao, Xian,Ye, Yuan-Yuan,et al. Study on low-temperature performances of Nb16W5O55 anode for lithium-ion batteries[J]. SOLID STATE IONICS,2020,353. |
| APA | Ma, Xiao-Hang.,Cao, Xian.,Ye, Yuan-Yuan.,Qiao, Fan.,Qian, Men-Fa.,...&Dai, Jian-Ming.(2020).Study on low-temperature performances of Nb16W5O55 anode for lithium-ion batteries.SOLID STATE IONICS,353. |
| MLA | Ma, Xiao-Hang,et al."Study on low-temperature performances of Nb16W5O55 anode for lithium-ion batteries".SOLID STATE IONICS 353(2020). |
入库方式： OAI收割
来源：合肥物质科学研究院
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