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| Content Provider | Springer Nature Link |
|---|---|
| Author | Luo, Rui Xu, Dongwei Zeng, Xiaoyuan Li, Xiuhua Zeng, Jianhuang Liao, Shijun |
| Copyright Year | 2015 |
| Abstract | We investigate the performance effects of adding succinic anhydride (SA) to a carbonate-based electrolyte in a high-voltage lithium-ion battery (LIB). The SA significantly improves the electrolyte’s performance, especially its stability, for a 5-V LIB with high-potential LiNi$_{0.5}$Mn$_{1.5}$O$_{4}$ as the cathode material. The oxidation of the carbonate-based electrolyte is strongly inhibited, with the onset potential of oxidation delayed by ca. 0.5 V, as SA has a lower oxidative stability than the carbonate and thus decomposes first. When a sample containing 3 wt% SA is used as the electrolyte for a Li/LiNi$_{0.5}$Mn$_{1.5}$O$_{4}$ half cell, the cell exhibits quite good cycling stability; the capacity fade up to 200 cycles at 1 and 2 C is 90 and 92 %, compared with only 48 and 47 % for a cell containing the standard electrolyte. The electrolyte and cathode are characterized with electrochemical impedance spectroscopy, scanning electron microscopy, and X-ray photoelectron spectroscopy, which demonstrate that a stable protective film is formed on the cathode’s surface in the presence of SA, resulting in the good cycling stability of Li/LiNi$_{0.5}$Mn$_{1.5}$O$_{4}$ half cells at room temperature. |
| Starting Page | 2535 |
| Ending Page | 2542 |
| Page Count | 8 |
| File Format | |
| ISSN | 09477047 |
| Journal | Ionics |
| Volume Number | 21 |
| Issue Number | 9 |
| e-ISSN | 18620760 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2015-04-30 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Electrolyte High-voltage tolerance Succinic anhydride LiNi$_{0.5}$Mn$_{1.5}$O$_{4}$ cathode Lithium-ion battery Electrochemistry Renewable and Green Energy Optical and Electronic Materials Condensed Matter Physics Energy Storage |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy Engineering Materials Science Chemical Engineering |
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