Exploring New Cathode Materials to Enable High Energy Magnesium Batteries

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dc.contributor.authorFerguson, Elyssa
dc.contributor.authorEaves-Rathert, Janna
dc.date.accessioned2020-11-18T18:56:54Z
dc.date.available2020-11-18T18:56:54Z
dc.date.issued2020-07-29
dc.description18th LACCEI International Multi-Conference for Engineering, Education, and Technology: “Engineering, Integration, and Alliances for a Sustainable Development” “Hemispheric Cooperation for Competitiveness and Prosperity on a Knowledge-Based Economy”, 29-31 July 2020, Buenos Aires, Argentina.en_US
dc.description.abstractModern smartphones, electric vehicles, drones, and other evolving technologies demand improvement of Li-ion batteries into more energy-dense power sources. Magnesium (Mg) batteries are a promising alternative because the Mg²⁺ ion shuttles twice as many electrons as Li⁺ , thereby doubling the theoretical volumetric energy density. Here, we investigate the storage capacity and Mg-ion hosting mechanisms of tungsten diselenide (WSe₂) as a cathode material for these cutting-edge battery systems. Using a three-electrode electrochemical setup, we measured a high specific capacity of 120 mAh/g and subsequently characterized the material at 0%, 50%, 75%, and 100% discharge via X-ray diffraction and Raman. Characterization showed no indications of Mg-WSe₂ conversion reactions, and the amount of intercalation of Mg²⁺ into WSe₂ remains uncertain. Further experimentation with more compatible electrolytes is necessary to confirm hosting mechanisms of WSe₂. This work opens a door to energy-dense multivalent ion batteries that surpass current lithium-ion technologies in cost, safety, and size.en_US
dc.description.urihttp://laccei.org/LACCEI2020-VirtualEdition/work_in_progress/WP667.pdfen_US
dc.format.extent3 pagesen_US
dc.genreconference paper and proceedingsen_US
dc.identifierdoi:10.13016/m2bygy-6vaz
dc.identifier.citationFerguson, Elyssa; Eaves-Rathert, Janna; Exploring New Cathode Materials to Enable High Energy Magnesium Batteries; 18th LACCEI International Multi-Conference for Engineering, Education, and Technology (2020); http://laccei.org/LACCEI2020-VirtualEdition/work_in_progress/WP667.pdfen_US
dc.identifier.urihttp://hdl.handle.net/11603/20086
dc.language.isoen_USen_US
dc.publisherLACCEI Publicationsen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Mechanical Engineering Department Collection
dc.relation.ispartofUMBC Student Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.subjectTungsten Diselenide Cathodeen_US
dc.subjectMagnesium-Ion batteryen_US
dc.subjectmultivalent batteriesen_US
dc.titleExploring New Cathode Materials to Enable High Energy Magnesium Batteriesen_US
dc.typeTexten_US

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