Javier Parrondo

JAVIER PARRONDO

Javier Parrondo

Personal

Email: javier.parrondo@wustl.edu

Position: Research Scientist, Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, Sept 2016 – Present

Education: Ph.D (Chemical Engineering),   University of Oviedo, Spain, 2002

Current ResearchLinkedIn

  • Redox flow batteries
  • Solid-state alkaline membrane water electrolysis
  • Investigation of degradation mechanisms in alkaline anion exchange membranes
  • Synthesis and characterization of novel oxide-based catalysts for alkaline fuel cells and electrolyzers.
  • Organic / Inorganic composite membranes for DMFC (DAFC) applications.

Recent publications (Google Scholar)

  • Javier Parrondo, Zhongyang Wang, Min-Suk J. Jung and Vijay Ramani. Reactive oxygen species accelerate degradation of anion exchange membranes based on polyphenylene oxide in alkaline environments. Physical Chemistry Chemical Physics, 18 (2016) 19705-19712, DOI: 10.1039/c6cp01978a
  • Zhongyang Wang, Javier Parrondo and Vijay Ramani. Alkaline Stability of Poly(Phenylene Oxide) Based Anion Exchange Membranes Containing Imidazolium Cations. Journal of The Electrochemical Society, 163 (2016) F824-F831. DOI: 10.1149/2.0551608jes (open access article)
  • Guanxiong Wang, Kaustava Bhattacharyya, Javier Parrondo and Vijay Ramani. X-ray photoelectron spectroscopy study of the degradation of Pt/ITO electrocatalyst in an operating polymer electrolyte fuel cell. Chemical Engineering Science154 (2016) 81–89. DOI:10.1016/j.ces.2016.04.026
  • Sukhwan Yun, Javier Parrondo and Vijay Ramani. Composite anion exchange membranes based on quaternized cardo-poly(etherketone) and quaternized inorganic fillers for vanadium redox flow battery applications. International Journal of Hydrogen Energy, 41 (2016) 10766–10775. DOI:10.1016/j.ijhydene.2016.04.060
  • M Potgieter, J Parrondo, VK Ramani and RJ Kriek. Evaluation of Polycrystalline Platinum and Rhodium Surfaces for the Electro-Oxidation of Aqueous Sulfur Dioxide. Electrocatalysis, 7 (2016) 50-59. DOI: 10.1007/s12678-015-0283-9
  • Javier Parrondo, Min-Suk J. Jung, Zhongyang Wang, Christopher G. Arges and Vijay Ramani. Synthesis and Alkaline Stability of Solubilized Anion Exchange Membrane Binders Based on Poly(phenylene oxide) Functionalized with Quaternary Ammonium Groups via a Hexyl Spacer. Journal of The Electrochemical Society, 162 (2015) F1236-F1242  DOI: 10.1149/2.0891510jes.
  • Javier Parrondo, Morgan George, Christopher Capuano, Katherine E. Ayers and Vijay Ramani. Pyrochlore electrocatalysts for efficient alkaline water electrolysis. Journal of Materials Chemistry A, 3 (2015) 10819-10828. DOI: 10.1039/C5TA01771H.
  • Yun, J. Parrondo, and V. Ramani. A vanadium–cerium redox flow battery with an anion-exchange membrane separator, ChemPlusChem, 80 (2015), 412-421. DOI: 10.1002/cplu.201402096
  • J. Parrondo, and V. Ramani. Stability of poly(2,6-dimethyl 1,4-phenylene)oxide-based anion exchange membrane separator and solubilized electrode binder in solid-state alkaline water electrolyzers. Journal of The Electrochemical Society, 161 (2014), F1015-F1020. DOI: 10.1149/2.0601410jes
  •  S. Yun, J. Parrondo, and V. Ramani. A vanadium–cerium redox flow battery with an anion-exchange membrane separator, ChemPlusChem, (2014) early publication. DOI: 10.1002/cplu.201402096
  •  J. Parrondo, T. Han, E. Niangar, C. Wang, N. Dale, K. Adjemian, and V. Ramani. Platinum supported on titanium–ruthenium oxide is a remarkably stable electrocatayst for hydrogen fuel cell vehicles, Proceedings of the National Academy of Sciences, 111 (2014) 45-50. DOI: 10.1073/pnas.1319663111
  •  J. Parrondo, C. G. Arges, M. Niedzwiecki, E. B. Anderson, K. E. Ayers and V. Ramani. Degradation of anion exchange membranes used for hydrogen production by ultrapure water electrolysis, RSC Advances, 4 (2014) 9875-9879. DOI: 10.1039/c3ra46630b
  •  S. Yun, J. Parrondo, F. Zhang, and V. Ramani. Microstructure-Property Relationships in Sulfonated Polyether Ether Ketone/Silsesquioxane Composite Membranes for Direct Methanol Fuel Cells, Journal of the Electrochemical Society, 161 (2014) F815-F822.  DOI: 10.1149/2.0021409jes
  •  S. Yun, J. Parrondo, and V. Ramani. Derivatized cardo-polyetherketone anion exchange membranes for all-vanadium redox flow batteries, Journal of Materials Chemistry A, 2 (2014) 6605-6615. DOI: 10.1039/c4ta00166d
  •  G. Hou, J. Parrondo, V. Ramani and J. Prakash. Kinetic and Mechanistic Investigation of Methanol Oxidation on a Smooth Polycrystalline Pt Surface, Journal of the Electrochemical Society, 161 (2014) F252-F258. DOI: 10.1149/2.045403jes
  •  C. G. Arges, L. Wang, J. Parrondo and V. Ramani. Best Practices for Investigating Anion Exchange Membrane Suitability for Alkaline Electrochemical Devices: Case Study Using Quaternary Ammonium Poly(2,6-dimethyl 1,4-phenylene)oxide Anion Exchange Membranes, Journal of the Electrochemical Society, 160 (2013) F1258-F1274. DOI: 10.1149/2.049311jes
  •  S. Sambandam, J. Parrondo and V. Ramani. Estimation of electrode ionomer oxygen permeability and ionomer-phase oxygen transport resistance in polymer electrolyte fuel cells, Physical Chemistry Chemical Physics, 15 (2013) 14994-15002. DOI: 10.1039/c3cp51450a
  •  M-S. J Jung, J. Parrondo, C. G. Arges and V. Ramani. Polysulfone-based anion exchange membranes demonstrate excellent chemical stability and performance for the all-vanadium redox flow battery, Journal of Materials Chemistry A, 1 (2013) 10458–10464. DOI: 10.1039/C3TA11459G
  •  P. Trogadas, J. Parrondo and V. Ramani. CeO2 surface oxygen vacancy concentration governs in-situ free radical scavenging efficacy in polymer electrolytes, ACS Applied Materials and Interfaces, 4 (2012) 5098–5102. DOI: 10.1021/am3016069
  •  C. G. Arges, J. Parrondo, G., G. Johnson, A. Nadhan, and V. Ramani. Assessing the Influence of Different Cation Chemistries on Ionic Conductivity and Alkaline Stability of Anion Exchange Membranes, Journal of Materials Chemistry 22 (2012) 3733-3744. DOI: 10.1039/C2JM14898F
  •  P. Trogadas, J. Parrondo, F, Mijangos, and V. Ramani. Degradation Mitigation in PEM Fuel Cells Using Metal Nanoparticle Additives, Journal of Materials Chemistry 21 (2011) 19381-19388. DOI: 10.1039/C1JM14077A
  •  P. Trogadas, J. Parrondo, and V. Ramani. Platinum Supported on CeO2 Effectively Scavenges Free Radicals within the Electrolyte of an Operating Fuel Cell, Chemical Communications 47 (2011) 11549-11551. DOI: 10.1039/C1CC15155J
  •  U. Thanganathan, J. Parrondo, and B. Rambabu. Alternative proton-conducting electrolytes and their electrochemical performances. Journal of Solid State Electrochemistry 16 (2012) 2151-2158. DOI: 10.1007/s10008-012-1642-6
  • U. Thanganathan, J. Parrondo, and B. Rambabu. Nanocomposite Hybrid Membranes Containing Polyvinyl Alcohol or Poly(tetramethylene oxide) for Fuel Cell Applications, Journal of Applied Electrochemistry, 41 (2011) 617-622. DOI: 10.1007/s10800-011-0270-7
  • J. Parrondo, C. Venkateswara Rao, S. L. Ghatty, and B. Rambabu. Electrochemical Performance Measurements of PBI-based High Temperature PEMFCs, International Journal of Electrochemistry, vol. 2011, Article ID 261065, 8 pages, 2011. DOI:10.4061/2011/261065
  •  J. Parrondo, R. Santhanam, F. Mijangos, and B. Rambabu. Electrocatalytic Performance of In2O3-Supported Pt/C Nanoparticles for Ethanol Electro-oxidation in Direct Ethanol Fuel Cells, International Journal of Electrochemical Science, 5 (2010) 1342-1354. http://www.electrochemsci.org
  •  J. Parrondo, F. Mijangos, and B. Rambabu. Platinum/ Tin oxide/ Carbon Cathode Catalyst for High Temperature PEM Fuel Cells, Journal of Power Sources, 195 (2010) 3977-3983. DOI: 10.1016/j.jpowsour.2010.01.027
  •  C. Venkateswararao, J. Parrondo, S. L. Ghatty, and B. Rambabu. High Temperature PEMFC Performance of PtxCoy/C Cathodes, Journal of Power Sources, 195 (2010) 3425-3430. DOI: 10.1016/j.jpowsour.2009.12.022

 

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