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Nico Hotz

Associate Professor of the Practice in the Thomas Lord Department of Mechanical Engineering and Materials Science
Thomas Lord Department of Mechanical Engineering and Materials Science
303 Hudson Hall, Mems Department, Durham, NC 27708-0300
303 Hudson Hall, Mems Department, Durham, NC 27708

Scholarly Works - Conferences


A study of energy losses in the world's most fuel efficient vehicle

Conference 2019 IEEE Vehicle Power and Propulsion Conference Vppc 2019 Proceedings · October 1, 2019 The prototype fuel cell electric vehicle (FCEV) Maxwell currently holds the Guinness World Record for "Most Fuel-Efficient Vehicle" at 6,196 km/l (14,573 MPGe). The vehicle draws less than 21W of electrical power at 25 km/h. This work outlines the powertra ... Full text Cite

Investigating operating conditions and mechanical performance of co-injected polylactic acid and polycaprolactone

Conference Annual Technical Conference ANTEC Conference Proceedings · January 1, 2015 To aid in advancing the functionality of bioplastics, co-injection moulding was investigated as a means to combine two biodegradable polymers: brittle, sugar-based polylactic acid (PLA) and tough polycaprolactone (PCL)..Procedural development reviewed the ... Cite

Novel non-concentrated solar collector for solar-powered chemical reactions

Conference ASME 2013 7th Int Conf on Energy Sustainability Collocated with the ASME 2013 Heat Transfer Summer Conf and the ASME 2013 11th Int Conf on Fuel Cell Science Engineering and Technology Es 2013 · December 1, 2013 The purpose of this study is the proof that nonconcentrating solar-thermal collectors can supply the thermal energy needed to power endothermic chemical reactions such as steam reforming of alcoholic (bio-) fuels. Traditional steam reformers require the co ... Full text Cite

Flame-made CuO/ZnO/Al2O3 catalyst for methanol steam reforming

Conference ASME 2013 7th Int Conf on Energy Sustainability Collocated with the ASME 2013 Heat Transfer Summer Conf and the ASME 2013 11th Int Conf on Fuel Cell Science Engineering and Technology Es 2013 · December 1, 2013 In the present study, a catalyst produced by flame spray pyrolysis (FSP) was evaluated for its ability to produce hydrogen-rich gas mixtures. Catalyst particles fabricated by a novel flame spray pyrolysis method resulting in a highly active catalyst with h ... Full text Cite

Novel nano-scale Au/α-Fe2O3 catalyst for the preferential oxidation of CO in biofuel reformate gas

Conference ASME 2013 7th Int Conf on Energy Sustainability Collocated with the ASME 2013 Heat Transfer Summer Conf and the ASME 2013 11th Int Conf on Fuel Cell Science Engineering and Technology Es 2013 · December 1, 2013 Au/α-Fe2O3 catalyst was synthesized using a modified co-precipitation method to generate an inverse catalyst model. The effects of introducing CO2 and H2O during preferential oxidation (PROX) of CO were investiga ... Full text Cite

Non-concentrated solar collector for solarthermal chemical reactions

Conference ASME International Mechanical Engineering Congress and Exposition Proceedings Imece · January 1, 2013 The purpose of this study is the proof that nonconcentrating solar-thermal collectors can supply the thermal energy needed to power endothermic chemical reactions such as steam reforming of alcoholic (bio-) fuels. Traditional steam reformers require the co ... Full text Cite

Flame-made catalyst for bio-methanol steam reforming

Conference ASME International Mechanical Engineering Congress and Exposition Proceedings Imece · January 1, 2013 In the present study, a catalyst produced by flame spray pyrolysis (FSP) was evaluated for its ability to produce hydrogen-rich gas mixtures. Catalyst particles fabricated by a novel flame spray pyrolysis method resulting in a highly active catalyst with h ... Full text Cite

Hydrogen production from biofuel under sunlight: A hybrid approach

Conference ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · August 19, 2012 Link to item Cite

Hydrogen production from biofuel under sunlight: A hybrid approach

Conference ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY · March 25, 2012 Link to item Cite

Nano-structured catalytic material for solar-powered biofuel reforming

Conference ASME International Mechanical Engineering Congress and Exposition Proceedings Imece · January 1, 2012 The main goal of this project is to combine two renewable energy conversion technologies (lowtemperature fuel cells and solarthermal collectors) to achieve synergies in terms of cost and energetic efficiency compared to systems based on a single energy sou ... Full text Cite

Micro- and nano-structured catalytic reactor for biofuel reforming in a solar collector

Conference ASME 2012 6th International Conference on Energy Sustainability Es 2012 Collocated with the ASME 2012 10th International Conference on Fuel Cell Science Engineering and Technology · January 1, 2012 In this study, a novel flow-based method is presented to place catalytic nanoparticles into a reactor by sol-gelation of a porous ceramic consisting of copper-based nanoparticles, silica sand, ceramic binder, and a gelation agent. This method allows for th ... Full text Cite

Solar-powered reformed methanol fuel cell system

Conference ASME 2012 10th International Conference on Fuel Cell Science Engineering and Technology Collocated with the ASME 2012 6th International Conference on Energy Sustainability Fuelcell 2012 · January 1, 2012 The present study investigates the feasibility, efficiency, and system design of a hybrid solar fuel cell system generating electric power for stationary applications such as residential buildings. The system is fed by methanol and combines methanol steam ... Full text Cite

Hybrid solar system for stationary electric power generation

Conference 40th Ases National Solar Conference 2011 Solar 2011 · December 1, 2011 The present study investigates the feasibility, efficiency, and system design of a hybrid solar system generating electric power for stationary applications such as residential buildings. The system is fed by biomass-derived methanol and combines methanol ... Cite

Novel porous composite material containing catalytic nanoparticles for hydrogen production from biofuel

Conference Materials Research Society Symposium Proceedings · December 1, 2011 In this study, a novel flow-based method is presented to place catalytic nanoparticles into a reactor by sol-gelation of a porous ceramic consisting of copper-based nanoparticles, silica sand, ceramic binder, and a gelation agent. This method allows for th ... Full text Cite

Hybrid solar system for stationary electric power generation

Conference ASME 2011 5th International Conference on Energy Sustainability Es 2011 · December 1, 2011 The present study investigates the feasibility, efficiency, and system design of a hybrid solar system generating electric power for stationary applications such as residential buildings. The system is fed by methanol and combines methanol steam reforming ... Full text Cite

Porous media for catalytic renewable energy conversion

Conference Aip Conference Proceedings · January 1, 2011 A novel flow-based method is presented to place catalytic nanoparticles into a reactor by sol-gelation of a porous ceramic consisting of copper-based nanoparticles, silica sand, ceramic binder, and a gelation agent. This method allows for the placement of ... Full text Cite

Exergetic analysis of solar-powered hybrid energy conversion and storage scenarios for stationary applications

Conference ASME 2010 4th International Conference on Energy Sustainability Es 2010 · December 1, 2010 The idea of this study is to investigate possibilities to use sunlight as the main energy source to generate and store electrical energy via different methods and technologies. Several systems consisting of photovoltaics, photoelectrolytic converters and s ... Full text Cite

Exergetic analysis of a solar-heated fuel cell system fed by methanol

Conference ASME 2010 4th International Conference on Energy Sustainability Es 2010 · December 1, 2010 The present study proposes a combination of solar-powered components (two heaters, an evaporator, and a steam-reformer) with a Proton Exchange Membrane fuel cell to form a powerplant that converts methanol to electricity. The solar radiation heats up the m ... Full text Cite

Large area flexible electronics fabrication by selective laser sintering of nanoparticles with a scanning mirror

Conference Materials Research Society Symposium Proceedings · October 15, 2010 The development of electric circuit fabrication on heat and chemically sensitive polymer substrates has attracted significant interest as a pathway to low-cost or large-area electronics. We demonstrated the large area, direct patterning of microelectronic ... Cite

Nanoparticle selective laser sintering for large area flexible electronics fabrication with a scanning mirror

Conference 4th Pacific International Conference on Applications of Lasers and Optics, PICALO 2010 · June 11, 2010 The development of electric circuit fabrication on heat and chemically sensitive polymer substrates has attracted significant interest as a pathway to low-cost or large-area electronics. We demonstrated the large area, direct patterning of microelectronic ... Cite

Nanoparticle selective laser sintering for large area flexible electronics fabrication with a scanning mirror

Conference 4th Pacific International Conference on Applications of Lasers and Optics Picalo 2010 · January 1, 2010 The development of electric circuit fabrication on heat and chemically sensitive polymer substrates has attracted significant interest as a pathway to low-cost or large-area electronics. We demonstrated the large area, direct patterning of microelectronic ... Full text Cite

Large area flexible electronics fabrication by selective laser sintering of nanoparticles with a scanning mirror

Conference Icaleo 2009 28th International Congress on Applications of Lasers and Electro Optics Congress Proceedings · January 1, 2009 The development of electric circuit fabrication on heat and chemically sensitive polymer substrates has attracted significant interest as a pathway to low-cost or large-area electronics. We demonstrated the large area, direct patterning of microelectronic ... Full text Cite

EXERGY ANALYSIS OF A SOLID OXIDE FUEL CELL MICROPOWERPLANT

Conference International Heat Transfer Conference · January 1, 2006 In this paper, an analytical model of a micro solid oxide fuel cell (SOFC) system fed by butane is introduced and analyzed in order to optimize its exergetic efficiency. The micro SOFC system is equipped with a partial oxidation (POX) reformer, a vaporizer ... Full text Cite