{"623037":{"#nid":"623037","#data":{"type":"event","title":"Phd Defense by Ryan Joe Murphy","body":[{"value":"\u003Cp\u003E\u003Cstrong\u003ETHE SCHOOL OF MATERIALS SCIENCE AND ENGINEERING\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EGEORGIA INSTITUTE OF TECHNOLOGY\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EUnder the provisions of the regulations for the degree\u003C\/strong\u003E\u003Cbr \/\u003E\r\n\u003Cbr \/\u003E\r\n\u003Cstrong\u003EDOCTOR OF PHILOSOPHY\u003C\/strong\u003E\u003Cbr \/\u003E\r\n\u003Cbr \/\u003E\r\n\u003Cstrong\u003Eon Friday, July 26, 2019\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003E1:30 PM\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003Ein MoSE 3201A\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003Ewill be held the\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EDISSERTATION\u0026nbsp;DEFENSE\u003C\/strong\u003E\u003Cbr \/\u003E\r\n\u003Cbr \/\u003E\r\n\u003Cstrong\u003Efor\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ERyan Joe Murphy\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003E\u0026quot;A New Family of Proton Conducting Electrolytes with Enhanced Stability for Reversable Fuel Cell Operation: BaHf\u003Csub\u003Ex\u003C\/sub\u003ECe\u003Csub\u003E0.8-x\u003C\/sub\u003EY\u003Csub\u003E0.1\u003C\/sub\u003EYb\u003Csub\u003E0.1\u003C\/sub\u003EO\u003Csub\u003E3\u003C\/sub\u003E\u0026quot;\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003ECommittee Members:\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EProf. Meilin Liu, Advisor, MSE\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EProf. Hamid Garmestani, MSE\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EProf. Preet Singh, MSE\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EProf. Mark Losego, MSE\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EProf. Angus Wilkinson, Chemistry\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u003Cstrong\u003EAbstract:\u003C\/strong\u003E\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003ESolid oxide fuel cell (SOFC) technology has the potential to be one of the most efficient energy conversion technologies and the same technology can be used to efficiently produce several chemical species such as hydrogen and syngas through reverse operation, known as solid oxide electrolysis cells (SOEC).\u0026nbsp; However, the long-term performance of these systems is often limited by degradation of the electrolyte.\u0026nbsp; In order to address the degradation issues, this work has developed a new family of proton conducing electrolyte materials, BaHf\u003Csub\u003Ex\u003C\/sub\u003ECe\u003Csub\u003E0.8-x\u003C\/sub\u003EY\u003Csub\u003E0.1\u003C\/sub\u003EYb\u003Csub\u003E0.1\u003C\/sub\u003EO\u003Csub\u003E3\u003C\/sub\u003E (BHCYYb), which demonstrates much improved stability while maintaining similar or higher conductivities than current state-of-the-art materials.\u0026nbsp; This resulted in SOFC performance which rivals that of the current best performance reported in literature, but with better durability.\u0026nbsp; In addition to its success as an electrolyte for hydrogen operation, BHCYYb has been shown to possess higher stability through long term chemical stability and long-term conductivity tests. To take advantage of the higher stability, long term tests of cells fabricated with BHCYYb were tested as reversible fuel cells as well as SOECs for CO\u003Csub\u003E2\u003C\/sub\u003E-H\u003Csub\u003E2\u003C\/sub\u003EO co-electrolysis.\u0026nbsp;\u0026nbsp; Finally, the performance of BHCYYb was attempted to be further improved by studying novel dopants in the BaHfO\u003Csub\u003E3\u003C\/sub\u003E system.\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"\u0022A New Family of Proton Conducting Electrolytes with Enhanced Stability for Reversable Fuel Cell Operation: BaHfxCe0.8-xY0.1Yb0.1O3\u0022"}],"uid":"27707","created_gmt":"2019-07-08 16:04:49","changed_gmt":"2019-07-08 16:04:49","author":"Tatianna Richardson","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2019-07-26T14:30:00-04:00","event_time_end":"2019-07-26T16:30:00-04:00","event_time_end_last":"2019-07-26T16:30:00-04:00","gmt_time_start":"2019-07-26 18:30:00","gmt_time_end":"2019-07-26 20:30:00","gmt_time_end_last":"2019-07-26 20:30:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"221981","name":"Graduate Studies"}],"categories":[],"keywords":[{"id":"100811","name":"Phd Defense"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1788","name":"Other\/Miscellaneous"}],"invited_audience":[{"id":"78761","name":"Faculty\/Staff"},{"id":"78771","name":"Public"},{"id":"174045","name":"Graduate students"},{"id":"78751","name":"Undergraduate students"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}