E3S Web Conf.
Volume 308, 20212021 6th International Conference on Materials Science, Energy Technology and Environmental Engineering (MSETEE 2021)
|Number of page(s)||11|
|Section||Energy Resource Development and Energy Saving Technology|
|Published online||27 September 2021|
A Timely Review of Lithium-ion Batteries in Electric Vehicles: Progress, Future Opportunities, and Challenges
1 School of Electronic Science and Engineering, Jilin University, Changchun, Jilin, JL 431, China
2 School of Electronic Science and Engineering, Nanjing University, Nanjing, Jiangsu, 210000, China
3 School of Mechanical and Manufacturing Engineering, University of New South Wales, Kensington, NSW, 2033, Australia
Energy plays an important role in human society. With the development of science and technology, the increasing demand for new energy like electric energy cannot be ignored. The battery is the key component of electric vehicles which are the centers of future development. Lithium-ion batteries have great advantages in electric vehicle applications for their excellent performance. We need to find ways to improve lithium-ion batteries to promote the development of electric vehicles fundamentally. The high specific energy, low self-discharge, good cycling performance, no memory effect, and other advantages lead to the excellent performance of lithium-ion batteries. This paper reviews the unique merits of lithium-ion batteries compared with other important battery technologies in electric vehicle application in three main aspects and describes some methods to enhance the performance of lithium-ion batteries by improving the anode, cathode, and electrolyte, respectively. For instance, we can use LiNi1-x-yCoxMnyO2 (NCM) materials as cathode, silicon-based materials as anode with composite materials like FeOOH@rGO and SiNP@NC add more silicon in the composite anode structure and silicon nanowire anode to improve its mechanical stability. Also, with an example of their employment in the BMW i3 94 Ah vehicles, the application outlook of lithium-ion batteries in electric vehicles and their development trend in the future have been prospected. Although electric vehicles are becoming the ideal next-generation vehicles with the increasing environmental friendliness, the battery technology, such as its safety problem and the manufacturing cost, etc., remains a big challenge in the development of lithium-ion batteries in electric vehicles.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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