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钒基氧化物作为锂离子电池电极材料的制备及性能研究-化学工程与技术专业毕业论文

上传者:随心@流浪 |  格式:docx  |  页数:91 |  大小:4517KB

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gh rate discharge performance and the cycle performance of electrode materials would be improved obviously.РAt last, we report a novel strategy for enhancing lithium ion transport by building superionic pathways on the surface of Li0.85Na0.15V3O8 nanosheets. The two-dimensional nanosheets were constructed by using a modified glycin acid sol-gel strategy and the electrode displayed a high rate capability of 172.3 mAh·g-1 at 5 C and an excellent cycling stability of retaining 98.9% after fifty cycles. Therefore, the strategy by building superionicРpathways on the surface of Li0.85Na0.15V3O8 nanosheets will be good for achieving high-performance LiV3O8 electrode material.РKeywords: Lithium vanadate; Sol-gel method; Cation doping; Lithium ion and aqueous lithium ion battery; Superionic pathway

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