Title
Solar Thermal Decoupled Electrolysis: Developing a Method for Reliably Quantifying Current Efficiency
Primary Submission Contact
Daniel Kotfer
Faculty Sponsor
Robert Palumbo
Faculty Sponsor Email Address
Robert.Palumbo@valpo.edu
College
Engineering
Department/Program
Department of Chemistry and Department of Mechanical Engineering
Document Type
Poster Presentation
Date
Fall 10-30-2015
Abstract
We are developing a reliable method for quantifying the current efficiency of the Valparaiso University solar electrolysis process for producing H2 from H2O. The current efficiency is based on a method of x-ray diffraction (XRD) quantitative analysis on solid products formed at the anode. Variables affecting the quality of current efficiency calculations were established experimentally. Ternary standards of cobalt species in varying mass percentages, similar to those expected from the electrolysis process, were analyzed and the results were compared to the known standard values. Critical variables include the following: (1) the method of quantification: Rietveld refinement or Relative Intensity; (2) the reference spectra used to identify species from the XRD pattern; (3) the drying temperature of electrolysis products. By investigating these variables, we have identified the method, reference data, and drying temperature for the analysis procedure.
Recommended Citation
Kotfer, Daniel; Prusinski, William; and Grade, Joshua, "Solar Thermal Decoupled Electrolysis: Developing a Method for Reliably Quantifying Current Efficiency" (2015). Fall Interdisciplinary Research Symposium. 49.
https://scholar.valpo.edu/fires/49
Additional Presentation Information
Wall Poster
Biographical Information about Author(s)
Daniel Kotfer is a junior biology and chemistry major. After graduation, he hopes to attend graduate or medical school and pursue a career in the medical field.
William Prusinski is a senior biochemistry student with a focus in physical chemistry. Solar research is of interest to him because it is an interdisciplinary effort involving chemistry and engineering. After graduating, he plans to continue his education with a graduate degree in chemistry and work in the field of energy.
Joshua Grade is a senior mechanical engineering major. After graduating, he plans to further pursue his interest in solar research in both electrochemistry and design. His interest in electrochemistry stems from his curiosity in the development of solar technology.