Dr. Ashok Kumar Ummireddi

Designation : Assistant Professor

Broad Area of Expertise : Chemical Engineering

Email : aummireddi{at}iitgoa.ac.in

Contact Number : +91-832-2490-901

Address : PG Block, Chemical and Materials Engineering, IIT Goa, Farmagudi-403401, Goa

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Educational Qualifications

  1. M. Tech. - Ph.D. (Joint Degree) in Chemical Engineering, Indian Institute of Technology Kanpur.
  2. B. Tech. in Chemical Engineering, Andhra University College of Engineering, Visakhapatnam.

Areas of Research

Electrocatalysis and Energy storage, Electrochemical CO2 conversion, Photo-electrochemical water splitting, and Hydrogen and oxygen evolution

Courses Taught

CM610: Principles and Applications of Electrochemistry

CM612: Fuel Cell Technology

Professional Appointments

  1. Assistant Professor, School of Chemical and Materials Science, Indian Institute of Technology Goa (Oct 2023 - Present).
  2. Research Advisor, Research & Development division of Medetronix Labs Pvt. Ltd., India (Sep 2023 - Oct 2023).
  3. Research Fellow, Department of Chemical Engineering, University of Michigan, Ann Arbor, USA (Jul 2023 - Aug 2023).
  4. Postdoctoral Fellow, Department of Chemical and Environmental Engineering, University of Cincinnati, Cincinnati, USA (Dec 2021 - Jul 2023).
  5. Research Associate, Department of Chemical Engineering, Indian Institute of Technology Kanpur, India (Aug 2021 - Dec 2021).

Recent Publications

  1. Ummireddi, A. K., Zhengyuan Li, Jingjie Wu., Copper defects for CO2 electro-reduction toward a specific multi-carbon product. Forum article. Trends in Chemistry, 2023, 5, 170-173.
  2. Y. Wang, S. Xia, J. Zhang, A. K. Ummireddi, Z. Li, X. Yuan, C. Yu, Y. Zhang, J. Wu and Y. Wu, Halogen-induced planar defects in Cu catalysts for ammonia electrosynthesis at an ampere-level current density. Materials Chemistry Frontiers, 2023, 7, 3093-3101.
  3. Tianyu Zhang, Zhengyuan Li, Ummireddi, A. K., Jingjie Wu., Navigating CO utilization in tandem electrocatalysis of CO2 reduction. Review article. Trends in Chemistry, 2023, 5, 252-266.
  4. Ummireddi, A. K.*;  Sharma, S. K.; Pala, R. G. S.*, Influence of tetraethylammonium cation on electrochemical CO2 reduction over Cu, Ag, Ni, and Fe Surfaces. Journal of Catalysis, 2022, 406, 213-221.
  5. Ummireddi, A. K.;  Sharma, S. K.; Pala, R. G. S., Ammonium ionic liquid cation promotes electrochemical CO2 reduction to ethylene over formate while inhibiting the hydrogen evolution on a copper electrode. Catalysis Science & Technology, 2022, 12, 519-529.
  6. Ummireddi, A. K.;  Sharma, S. K.; Pala, R. G. S., Inhibition of hydrogen evolution without debilitating electrochemical CO2 reduction via the local suppression of proton concentration and blocking of step-edges by pyridine functionalization on Cu electrocatalysts. Catalysis Science & Technology, 2021,11 (14), 4857-4865. 
  7. Ummireddi, A. K.; Pala, R. G. S., Operating the stacked photoanode at the thickness of exciton diffusion length enhances the efficiency of photoelectrochemical water splitting. Journal of Chemical Sciences, 2021, 133 (2), 37.
  8. Behara, D. K.;  Ummireddi, A. K.;  Aragonda, V.; Gupta, P. K.;  Pala, R. G. S.; Sivakumar, S., Coupled optical absorption, charge carrier separation, and surface electrochemistry in surface disordered/hydrogenated TiO2 for enhanced PEC water splitting reaction. Physical Chemistry Chemical Physics, 2016, 18 (12), 8364-8377.

Recognition and Awards

  1. Awarded INSPIRE Faculty Fellowship for 2024 to 2029 by the Department of Science & Technology, Government of India.
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