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Alternatives to Lithium-Ion Batteries for Electric Vehicles Public Deposited

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  • Sponsored by: Dechief, Diane CCOM 206 -Communication in Engineering-Writing Recognition Award (Winter/summer 2017)
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  • With man-made climate change becoming increasingly severe every year, the need for vehiclespowered by alternative energy sources is now greater than ever. Although there are electricvehicles commercially available today, their limited driving range and high price makes themunappealing to many consumers. In order to move past these limitations, researchers have beguninvestigating different types of batteries with the goal of finding a battery that can reliably storemore energy than a traditional lithium-ion battery. This paper analyzes the feasibility of twobattery types—lithium-sulfur and lithium-air—as potential replacements for lithium-ion batteriesin electric vehicles. Although both batteries demonstrate high theoretical energy densities, thelithium-air battery has a much higher practical energy density when compared to lithium-sulfur,as well as a lower environmental impact and a greater number of charge cycles. The lithium-airbattery also demonstrates a higher energy density and lower environmental impact whencompared to lithium-ion. These results make lithium-air technology the best candidate to replacelithium-ion batteries in the near future.
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