新一代锂离子电池高容量高压阴极研究进展

Q4 Energy
Shuvajith Ghosh, Udita Bhatta charjee, Subhajit Bhowmik, S. Martha
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引用次数: 9

摘要

锂离子电池(LIB)处于能源研究的前沿。四十多年的研究和发展已经使电动汽车成为现实。每天都有许多能够可逆地储存锂的材料被报道,无论是作为阳极还是作为阴极。但其中很少有LiCoO2、锂镍锰钴氧化物(Li-NMC)变型(LiNi0.33Mn0.33Co0.33O2、LiNi0.5Mn0.3Co0.2O2、LiNi0.6Mn0.2Co0.2O2、LiNi0.8Mn0.1Co0.1O2)、LiNi0.8Co0.15Al0.05O2、LiFePO4、石墨、Li4Ti5O12等能够成功实现商业规模。未来的能源需求需要推动lib的能量密度,以满足电动航空、动力系统、固定电网等的标准。所有这些应用都有不同的需求,不能由一套特定的材料来满足。因此,在不久的将来,各种材料需要在电池的广泛应用领域中得到利用。本文讨论了容量≥250 mAh g-1的潜在正极材料(富锂氧化物,转换材料等)或相对于Li+/Li的平均电压≥4 V(聚阴离子材料,尖晶石氧化物等)。提出了失败机制、挑战和克服所有问题的方法,以确定商业可行性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Review on High-Capacity and High-Voltage Cathodes for Next-Generation Lithium-ion Batteries
lithium-ion battery (LIB) is at the forefront of energy research. Over four decades of research and development have led electric mobility to a reality. Numerous materials capable of storing lithium reversibly, either as an anode or as a cathode, are reported on a daily basis. But very few among them, such as LiCoO2, lithium nickel manganese cobalt oxide (Li-NMC) variants (LiNi0.33Mn0.33Co0.33O2, LiNi0.5Mn0.3Co0.2O2, LiNi0.6Mn0.2Co0.2O2, and LiNi0.8Mn0.1Co0.1O2), LiNi0.8Co0.15Al0.05O2, LiFePO4, graphite, and Li4Ti5O12 are successful at commercial scale. Future energy requirements demand a push in the energy density of LIBs to meet the criteria of electric aviation, power trains, stationary grids, etc. All these applications have different needs which cannot be satisfied by a particular set of materials. Therefore, various materials need to be utilized in widespread fields of battery applications in the near future. This review discusses potential cathode materials that show a capacity of ≥ 250 mAh g-1 (Li-rich oxides, conversion materials, etc.) or average voltage of ≥ 4 V vs. Li+/Li (polyanionic materials, spinel oxides, etc.). Failure mechanisms, challenges, and way-outs to overcome all the issues are put forward to determine commercial viability.
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来源期刊
Journal of Nuclear Energy Science and Power Generation Technology
Journal of Nuclear Energy Science and Power Generation Technology Energy-Energy Engineering and Power Technology
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