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https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/125511
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| 題名: | Cr-doped LiNi0.5Mn1.5O4 Derived from bimetallic Ni/Mn Metal-Organic Framework as High‐Performance Cathode for Lithium‐Ion Batteries |
| 作者: | Yu-Sheng Hsiao, Jen-Hsien Huang, Ta-Hung Cheng, Chih-Wei Hu, Nian-Jheng Wu, Chi-Yun Yen, Shih-Chieh Hsu*, Huei Chu Weng, and Chih-Ping Chen |
| 日期: | 2023-05-19 |
| 上傳時間: | 2024-07-09 12:05:31 (UTC+8) |
| 出版者: | Elsevier |
| 摘要: | Metal-organic frameworks (MOFs) have potential applications in the field of electrochemical energy storage due to their unique characteristics, such as structural diversity, tolerability, and chemical homogeneity. LiNi0.5Mn1.5O4 (LNMO) is a great cathode material due to its wide working voltage, high energy density, and excellent rate capability. In this study, bimetallic Ni/Mn-MOFs and Cr-doped Ni/Mn-MOFs have been prepared by solvothermal reaction, which can be used as the precursor for the synthesis of pristine and Cr-doped LNMOs. The results indicate that the MOF-derived LNMO has better electrochemical behavior than the sample obtained from the conventional co-precipitation route. The resulting MOF-derived LNMO exhibits a high specific capacity (SC, 132.4 mAh/g at 0.2C), good rate ability (116.5 mAh/g at 10C), and remarkable long-cycle performance (80.1 % capacity retention for 200 cycles at 4C). More significantly, the full lithium-ion batteries (LIBs) incorporated with the MOF-derived LNMO as a cathode and Li4Ti5O12 (LTO) as an anode exhibit superior energy storage properties. This finding provides an efficient strategy for preparing high-performance LNMO cathode materials. |
| 關聯: | Journal of Energy Storage 68, 107686 |
| DOI: | 10.1016/j.est.2023.107686 |
| 顯示於類別: | [化學工程與材料工程學系暨研究所] 期刊論文
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