{"id":{"repo_id":"purdue-thes","oai_identifier":"oai:docs.lib.purdue.edu:open_access_dissertations-1225"},"canonical_url":"https://search.dev.ndltd.org/etd/purdue-thes/oai:docs.lib.purdue.edu:open_access_dissertations-1225","repository":{"repo_id":"purdue-thes","name":"Purdue University","base_url":"https://docs.lib.purdue.edu/do/oai/"},"display":{"title":"Hydrogen Loading System Development and Evaluation of Tritiated Substrates to Optimize Performance in Tritium Based Betavoltaics","abstract":"<p>State-of-the-art hydrogen loading system onto thin metallic films based on differential pressure in calibrated chambers has been developed for conditions pressures and temperatures up to 69 bar and 500°C, respectively. Experiments on hydrogen loading on to palladium films of thickness 50 and 250 nm were conducted at pressure ranging from 0.2 bar to 10 bar at temperature 310°C. For first time film hydrogen loading was carried out at 1 bar and at room temperature which temperature. Beta flux exiting surface of metal tritide films has been modeled with MC-SET (Monte Carlo Simulation of Electron Trajectories in solids). Surface beta flux simulations have been improved to account for density changes from tritium loading and decay. Simulation results indicate a 300 nm slab of MgT<sub>2</sub> has a surface flux three times higher than in ScT<sub>2</sub>, and six times higher than in TiT<sub>2</sub>. Commercial betavoltaic cells were tested at different temperature environment for their evaluation and characterization.</p>","abstract_html":"&lt;p&gt;State-of-the-art hydrogen loading system onto thin metallic films based on differential pressure in calibrated chambers has been developed for conditions pressures and temperatures up to 69 bar and 500°C, respectively. Experiments on hydrogen loading on to palladium films of thickness 50 and 250 nm were conducted at pressure ranging from 0.2 bar to 10 bar at temperature 310°C. For first time film hydrogen loading was carried out at 1 bar and at room temperature which temperature. Beta flux exiting surface of metal tritide films has been modeled with MC-SET (Monte Carlo Simulation of Electron Trajectories in solids). Surface beta flux simulations have been improved to account for density changes from tritium loading and decay. Simulation results indicate a 300 nm slab of MgT&lt;sub&gt;2&lt;/sub&gt; has a surface flux three times higher than in ScT&lt;sub&gt;2&lt;/sub&gt;, and six times higher than in TiT&lt;sub&gt;2&lt;/sub&gt;. Commercial betavoltaic cells were tested at different temperature environment for their evaluation and characterization.&lt;/p&gt;","abstract_has_math":false,"creators":["Adams, Thomas E"],"institution":null,"degree_name":"Doctor of Philosophy (PhD)","degree_level":"Dissertation","degree_discipline":"Nuclear Engineering","degree_department":null,"school":null,"contributors":["Shripad T. Revankar","Dr. Shripad T. Revankar","Dr. Audeen Fentiman","Dr. Anter El-Azab","Dr. Peter Cabauy","Dr. Scott Greenway"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-10-01T07:00:00Z","date_published":"2014-10-01T07:00:00Z","updated_at":"2026-07-24T03:53:22Z","subjects":["tritium","betavoltaics","hydrogen loading","tritiated substrates","Engineering","Nuclear","Nuclear Engineering"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://docs.lib.purdue.edu/open_access_dissertations/408","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Shripad T. Revankar","Dr. Shripad T. Revankar","Dr. Audeen Fentiman","Dr. Anter El-Azab","Dr. Peter Cabauy","Dr. Scott Greenway"]},{"key":"dc:creator","label":"Author","values":["Adams, Thomas E"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Nuclear Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Doctor of Philosophy (PhD)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["tritium","betavoltaics","hydrogen loading","tritiated substrates","Engineering","Nuclear","Nuclear Engineering"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://docs.lib.purdue.edu/open_access_dissertations/408"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["<p>State-of-the-art hydrogen loading system onto thin metallic films based on differential pressure in calibrated chambers has been developed for conditions pressures and temperatures up to 69 bar and 500°C, respectively. Experiments on hydrogen loading on to palladium films of thickness 50 and 250 nm were conducted at pressure ranging from 0.2 bar to 10 bar at temperature 310°C. For first time film hydrogen loading was carried out at 1 bar and at room temperature which temperature. Beta flux exiting surface of metal tritide films has been modeled with MC-SET (Monte Carlo Simulation of Electron Trajectories in solids). Surface beta flux simulations have been improved to account for density changes from tritium loading and decay. Simulation results indicate a 300 nm slab of MgT<sub>2</sub> has a surface flux three times higher than in ScT<sub>2</sub>, and six times higher than in TiT<sub>2</sub>. Commercial betavoltaic cells were tested at different temperature environment for their evaluation and characterization.</p>"]},{"key":"dc:title","label":"Title","values":["Hydrogen Loading System Development and Evaluation of Tritiated Substrates to Optimize Performance in Tritium Based Betavoltaics"]}]}],"canonical_facts":{"dc:contributor":["Shripad T. Revankar","Dr. Shripad T. Revankar","Dr. Audeen Fentiman","Dr. Anter El-Azab","Dr. Peter Cabauy","Dr. Scott Greenway"],"dc:creator":["Adams, Thomas E"],"dc:description.abstract":["<p>State-of-the-art hydrogen loading system onto thin metallic films based on differential pressure in calibrated chambers has been developed for conditions pressures and temperatures up to 69 bar and 500°C, respectively. Experiments on hydrogen loading on to palladium films of thickness 50 and 250 nm were conducted at pressure ranging from 0.2 bar to 10 bar at temperature 310°C. For first time film hydrogen loading was carried out at 1 bar and at room temperature which temperature. Beta flux exiting surface of metal tritide films has been modeled with MC-SET (Monte Carlo Simulation of Electron Trajectories in solids). Surface beta flux simulations have been improved to account for density changes from tritium loading and decay. Simulation results indicate a 300 nm slab of MgT<sub>2</sub> has a surface flux three times higher than in ScT<sub>2</sub>, and six times higher than in TiT<sub>2</sub>. Commercial betavoltaic cells were tested at different temperature environment for their evaluation and characterization.</p>"],"dc:identifier":["https://docs.lib.purdue.edu/open_access_dissertations/408"],"dc:subject":["tritium","betavoltaics","hydrogen loading","tritiated substrates","Engineering","Nuclear","Nuclear Engineering"],"dc:title":["Hydrogen Loading System Development and Evaluation of Tritiated Substrates to Optimize Performance in Tritium Based Betavoltaics"],"thesis:degree_discipline":["Nuclear Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Doctor of Philosophy (PhD)"]},"updated_at":"2026-07-24T03:53:22Z"}