Presentation Title

Aminothiophenol polymer in a cathode for a high energy capacity Lithium-Sulfur Battery

Start Date

November 2016

End Date

November 2016

Location

HUB 302-#117

Type of Presentation

Poster

Abstract

Keywords: Polymer, Lithium-Sulfur, Capacity, Aminothiophenol, Polyaniline, Cathode, Anode

Whether if they are on cellular phones, cars or laptops, batteries are an integral part of today’s society. Modern industry relies heavily on lithium-ion batteries to power their devices and equipment, but the capacity of lithium ion batteries are starting to fail to meet consumer needs. Moreover, as technology improves, it is imperative that the batteries that power these technological devices do as well. Currently there are batteries being investigated with higher theoretical capacities than that of the traditional lithium-ion batteries; these next-generation batteries are Lithium-Sulfur (Li-S) batteries. Li-S batteries have a high theoretical capacity and are about 4-5 times greater than their lithium-ion counterpart. Here we attempt to improve the capacity of a Li-S battery by synthesizing a polymer of Aminothiophenol (ATP) and using it as the active material of our cathode. The incorporation of ATP into the cathode should improve the capacity because of the similar polyaniline-like structure that it possesses. Polyaniline has shown in previous studies to improve the performances of batteries because of its conductive properties. The hypothesis is that a structure similar to polyaniline with a sulfur group should improve a Li-S battery. Unfortunately this was not the case. Once galvanostatic tests were performed by applying different currents, the data showed that the capacity of the battery did not improve significantly when compared to a pristine Li-S battery. Further studies will have to be conducted to understand why the capacity did not improve. Despite the results acquired not being the best, polymer batteries still show promise. Additionally, if modifications are made in polymer batteries that yield higher capacities, this will not only have a huge impact on future research of polymers and their incorporation into energy storage devices but also benefit the aforementioned industries of cellular phones, cars, laptops as well as other technologies.

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Nov 12th, 4:00 PM Nov 12th, 5:00 PM

Aminothiophenol polymer in a cathode for a high energy capacity Lithium-Sulfur Battery

HUB 302-#117

Keywords: Polymer, Lithium-Sulfur, Capacity, Aminothiophenol, Polyaniline, Cathode, Anode

Whether if they are on cellular phones, cars or laptops, batteries are an integral part of today’s society. Modern industry relies heavily on lithium-ion batteries to power their devices and equipment, but the capacity of lithium ion batteries are starting to fail to meet consumer needs. Moreover, as technology improves, it is imperative that the batteries that power these technological devices do as well. Currently there are batteries being investigated with higher theoretical capacities than that of the traditional lithium-ion batteries; these next-generation batteries are Lithium-Sulfur (Li-S) batteries. Li-S batteries have a high theoretical capacity and are about 4-5 times greater than their lithium-ion counterpart. Here we attempt to improve the capacity of a Li-S battery by synthesizing a polymer of Aminothiophenol (ATP) and using it as the active material of our cathode. The incorporation of ATP into the cathode should improve the capacity because of the similar polyaniline-like structure that it possesses. Polyaniline has shown in previous studies to improve the performances of batteries because of its conductive properties. The hypothesis is that a structure similar to polyaniline with a sulfur group should improve a Li-S battery. Unfortunately this was not the case. Once galvanostatic tests were performed by applying different currents, the data showed that the capacity of the battery did not improve significantly when compared to a pristine Li-S battery. Further studies will have to be conducted to understand why the capacity did not improve. Despite the results acquired not being the best, polymer batteries still show promise. Additionally, if modifications are made in polymer batteries that yield higher capacities, this will not only have a huge impact on future research of polymers and their incorporation into energy storage devices but also benefit the aforementioned industries of cellular phones, cars, laptops as well as other technologies.