{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/81006"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/81006","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Porous Silicon Membrane Based Formic Acid Fuel Cells for Micro Power Generation","abstract":"Most importantly in this work, porous silicon is demonstrated to be a novel proton conducting membrane material for implementation of micro silicon fuel cells. With 5 M formic acid plus 0.5 M sulfuric acid as the fuel, the micro fuel cell based on a p-type porous silicon membrane produces peak power density about 30 mW/cm2 at current density of about 120 mA/cm 2. Another design of micro fuel cells based on an n-type porous silicon membrane for the improvement of the power output is also presented. Micro fuel cells are fabricated using porous silicon membranes with different thickness and different pore morphologies, and their performances are tested. Fuel solutions with different formic acid concentrations are also tested. The fuel cell peak power density reached 94 mW/cm2 at current density level of 314 mA/cm2.","abstract_html":"Most importantly in this work, porous silicon is demonstrated to be a novel proton conducting membrane material for implementation of micro silicon fuel cells. With 5 M formic acid plus 0.5 M sulfuric acid as the fuel, the micro fuel cell based on a p-type porous silicon membrane produces peak power density about 30 mW/cm2 at current density of about 120 mA/cm 2. Another design of micro fuel cells based on an n-type porous silicon membrane for the improvement of the power output is also presented. Micro fuel cells are fabricated using porous silicon membranes with different thickness and different pore morphologies, and their performances are tested. Fuel solutions with different formic acid concentrations are also tested. The fuel cell peak power density reached 94 mW/cm2 at current density level of 314 mA/cm2.","abstract_has_math":false,"creators":["Chu, Kuan-Lun"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Electrical and Computer Engineering","degree_department":null,"school":null,"contributors":["Masel, Richard I."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:09:11Z","date_published":"2015-09-25T20:09:11Z","updated_at":"2026-07-22T22:26:15Z","subjects":["Engineering, Electronics and Electrical"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3269862"],"render_values":[{"text":"(MiAaPQ)AAI3269862","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/81006","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Masel, Richard I."]},{"key":"dc:creator","label":"Author","values":["Chu, Kuan-Lun"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:09:11Z","10000-01-01","2007"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical and Computer Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Electronics and Electrical"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/81006","(MiAaPQ)AAI3269862"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Most importantly in this work, porous silicon is demonstrated to be a novel proton conducting membrane material for implementation of micro silicon fuel cells. With 5 M formic acid plus 0.5 M sulfuric acid as the fuel, the micro fuel cell based on a p-type porous silicon membrane produces peak power density about 30 mW/cm2 at current density of about 120 mA/cm 2. Another design of micro fuel cells based on an n-type porous silicon membrane for the improvement of the power output is also presented. Micro fuel cells are fabricated using porous silicon membranes with different thickness and different pore morphologies, and their performances are tested. Fuel solutions with different formic acid concentrations are also tested. The fuel cell peak power density reached 94 mW/cm2 at current density level of 314 mA/cm2.","Made available in DSpace on 2015-09-25T20:09:11Z (GMT). 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With 5 M formic acid plus 0.5 M sulfuric acid as the fuel, the micro fuel cell based on a p-type porous silicon membrane produces peak power density about 30 mW/cm2 at current density of about 120 mA/cm 2. Another design of micro fuel cells based on an n-type porous silicon membrane for the improvement of the power output is also presented. Micro fuel cells are fabricated using porous silicon membranes with different thickness and different pore morphologies, and their performances are tested. Fuel solutions with different formic acid concentrations are also tested. The fuel cell peak power density reached 94 mW/cm2 at current density level of 314 mA/cm2.","Made available in DSpace on 2015-09-25T20:09:11Z (GMT). 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