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Current Li-Ion Battery Technologies in Electric Vehicles and Opportunities for Advancements

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Department of Mechanical Engineering, Baylor University, Waco, TX 76798, USA
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Department of Electrical and Computer Engineering, Baylor University, Waco, TX 76798, USA
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Author to whom correspondence should be addressed.
Energies 2019, 12(6), 1074; https://doi.org/10.3390/en12061074
Received: 20 February 2019 / Revised: 11 March 2019 / Accepted: 16 March 2019 / Published: 20 March 2019
(This article belongs to the Special Issue Power Processing Systems for Electric Vehicles)
Over the past several decades, the number of electric vehicles (EVs) has continued to increase. Projections estimate that worldwide, more than 125 million EVs will be on the road by 2030. At the heart of these advanced vehicles is the lithium-ion (Li-ion) battery which provides the required energy storage. This paper presents and compares key components of Li-ion batteries and describes associated battery management systems, as well as approaches to improve the overall battery efficiency, capacity, and lifespan. Material and thermal characteristics are identified as critical to battery performance. The positive and negative electrode materials, electrolytes and the physical implementation of Li-ion batteries are discussed. In addition, current research on novel high energy density batteries is presented, as well as opportunities to repurpose and recycle the batteries. View Full-Text
Keywords: Li-ion batteries; Li-ion battery chemistry; battery second-use; battery recycling; grid stabilization; Li-ion battery improvements Li-ion batteries; Li-ion battery chemistry; battery second-use; battery recycling; grid stabilization; Li-ion battery improvements
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Miao, Y.; Hynan, P.; von Jouanne, A.; Yokochi, A. Current Li-Ion Battery Technologies in Electric Vehicles and Opportunities for Advancements. Energies 2019, 12, 1074.

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