Venkat Viswanathan

Department of Mechanical Engineering, Carnegie Mellon University
Ph.D., Mechanical Engineering, Stanford University, 2013
Summary:

Venkat Viswanathan's research focus is on identifying the scientific principles governing material design, inorganic, organic and biomaterials, for novel energy conversion and storage routes. The material design is carried out through a suite of computational methods being developed in the group validated by experiments.  Some key research thrusts include identifying principles of electrolytes design (organic material) that can tune electrode catalysis, identification of new anode, cathode (inorganic materials) and electrolyte materials for next generation batteries, new electrocatalysts (inorganic) and biomaterials for energy storage and separation applications. In addition to material design, our group is involved in several cross-cutting areas such as battery controls, electric vehicle security and GPU accelerated computing.

Research interests:

  • Computational material design
  • Density functional theory simulations
  • Phase-field modeling
  • Next generation batteries, fuel cells
  • Electrocatalysis for energy conversion and storage
  • Data-driven material discovery
  • Bio-inspired and bio-mimetic materials
  • Controls for energy systems
  • GPU accelerated computing

Zeeshan Ahmad


Graduate Student

azeeshan@andrew.cmu.edu
5000 Forbes Avenue, Pittsburgh PA, 15213
412-609-2483

Affiliation:

Mechanical Engineering
Carnegie Mellon University

Dilip Krishnamurthy


Graduate Student

dkrishn1@andrew.cmu.edu
5000 Forbes Avenue, Pittsburgh PA, 15232
412-801-1225

Affiliation:

Mechanical Engineering
Carnegie Mellon University

Vikram Pande


Graduate Student

vikramp@andrew.cmu.edu
5000 Forbes Avenue, Pittsburgh PA, 15213

Affiliation:

Mechanical Engineering
Carnegie Mellon University

Project:

Electrolytes and Li-anode for Li-ion and Li-O2 batteries

Olga Vinogradova


Graduate Student

ovinogra@andrew.cmu.edu
5000 Forbes Avenue, Pittsburgh PA, 15213

Affiliation:

Chemical Engineering
Carnegie Mellon University

Project:

Oxygen reduction reaction at cathode for fuel cell applications

Most Cited Publications
  1. "Twin Problems of Interfacial Carbonate Formation in Nonaqueous Li–O2 Batteries," B. D. McCloskey, A. Speidel, R. Scheffler, D. C. Miller, V. Viswanathan, J. S. Hummelshøj, J. K. Nørskov, and A. C. Luntz, J. Phys. Chem. Lett. 3, 997 (2012)
  2. "Electrical conductivity in Li2O2 and its role in determining capacity limitations in non-aqueous Li-O2 batteries," V. Viswanathan, K. S. Thygesen, J. S. Hummelshøj, J. K. Nørskov, G. Girishkumar, B. D. McCloskey and A. C. Luntz, J. Chem. Phys. 135, 214704 (2011)
  3. "Solvating additives drive solution-mediated electrochemistry and enhance toroid growth in non-aqueous Li–O2 batteries" Nagaphani B. Aetukuri, Bryan D. McCloskey, Jeannette M. García, Leslie E. Krupp, Venkatasubramanian Viswanathan & Alan C. Luntz, Nature Chemistry 7, 50 (2015)
  4. "Universality in Oxygen Reduction Electrocatalysis on Metal Surfaces," Venkatasubramanian Viswanathan, Heine Anton Hansen, Jan Rossmeisl, and Jens K. Nørskov, ACS Catal. 2, 1654 (2012)
  5. "Direct observation of the oxygenated species during oxygen reduction on a platinum fuel cell cathode," Hernan Sanchez Casalongue, Sarp Kaya, Venkatasubramanian Viswanathan, Daniel J. Miller, Daniel Friebel, Heine A. Hansen, Jens K. Nørskov, Anders Nilsson & Hirohito Ogasawara, Nature Communications 4, 2817 (2013)
Recent Publications
  1. "Exploring MXenes as Cathodes for Non-Aqueous Lithium-Oxygen Batteries: Design Rules for Selectively Nucleating Li2O2", Andrew Lee, Dilip Krishnamurthy, Venkatasubramanian Viswanathan,ChemSUSChem (2018).
  2. "Towards Ultra Low Cobalt Cathodes: A High Fidelity Phase Search Incorporating Uncertainty Quantification of Li-Ni-Mn-Co Oxides," Gregory Houchins and Venkatasubramanian ViswanathanarXiv:1805.08171v1
  3. "Phase-field simulations of lithium dendrite growth with open-source software," Zijian Hong and Venkatasubramanian Viswanathan,arXiv:1805.03256v1
  4. "Understanding Ion Pairing in High Salt Concentration Electrolytes using Classical Molecular Dynamics Simulations and its Implications for Nonaqueous Li-O2 Batteries," Abhishek Khetan, Hamid R. Arjmandi,Vikram Pande, Heinz Pitsch, and Venkatasubramanian Viswanathan,arXiv:1801.09130v1
  5. "Comment on “Alternative strategy for a safe rechargeable battery” by M. H. Braga, N. S. Grundish, A. J. Murchison and J. B. Goodenough,"Daniel A. Steingart and Venkatasubramanian ViswanathanEnergy Environ. Sci., 10, 331 (2017)
  6. Role of anisotropy in determining stability of electrodeposition at solid-solid interfaces", Zeeshan Ahmad and Venkatasubramanian ViswanathanPhys. Rev. Materials 1, 055403 (2017)
  7. "Evaluating the Potential of Platooning in Lowering the Required Performance Metrics of Li-Ion Batteries to Enable Practical Electric Semi-Trucks", M. Guttenberg, S. Sripad, V. Viswanathan ACS Energy Lett.  2, 2642 (2017)
  8. "Surface Restructuring of Nickel Sulfide Generates Optimally Coordinated Active Sites for ORR Catalysis," Bing Yan, Dilip Krishnamurthy, Christopher H. Hendon, Siddharth Deshpande, Yogesh Surendranath, Venkatasubramanian Viswanathan, Joule 1, 1 (2017)

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