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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >LiMnPO4 - A next generation cathode material for lithium-ion batteries
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LiMnPO4 - A next generation cathode material for lithium-ion batteries

机译：LiMnPO4-锂离子电池的下一代阴极材料

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摘要

Development of an eco-friendly, low cost and high energy density (~700 W h kg~(-1)) LiMnPO4 cathode material became attractive due to its high operating voltage ~4.1 V vs. Li falling within the electrochemical stability window of conventional electrolyte solutions and offers more safety features due to the presence of a strong P-0 covalent bond. The vacancy formation energy for LiMnPCU was 0.19 eV higher than that for LiFePO4, resulting in a 10~(-3) times-diluted complex concentration, which represents the main difference between the kinetics in the initial stage of charging of two olivine materials. This review highlights the overview of current research activities on LiMnPO4 cathodes in both native and substituted forms along with carbon coating synthesized by various synthetic techniques. Further, carbon coated LiMnPO4 was also prepared by a solid-state approach and the obtained results are compared with previous literature values. The challenges and the need for further research to realize the full performance of LiMnPO4 cathodes are described in detail.
机译：环保，低成本和高能量密度（〜700 W h kg〜（-1））LiMnPO4正极材料的发展变得引人注目，原因是它的高工作电压（相对于Li）约为4.1V。电解质溶液，并由于存在强大的P-0共价键而提供了更多的安全性。 LiMnPCU的空位形成能比LiFePO4的空位形成能高0.19 eV，导致复合物浓度稀释了10〜（-3）倍，这代表了两种橄榄石材料充电初期动力学之间的主要差异。这篇综述着重概述了当前对天然和取代形式的LiMnPO4阴极的研究活动，以及通过各种合成技术合成的碳涂层。此外，还通过固态方法制备了碳包覆的LiMnPO4，并将获得的结果与以前的文献值进行了比较。详细描述了实现LiMnPO4阴极的全部性能所面临的挑战和进一步研究的需求。

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