Personal Information

Name

Dr. Mridula Dixit Bharadwaj

Title

Principal Research Scientist

Email

mdixit@cstep.in

Educational Background

Ph.D. (Chemistry)
Bangalore University
Thesis Title: “Development of novel positive electrode materials for nickel based rechargeable batteries”

Biography

Research Interest: Development of new materials and electrochemical technologies and processes for applications in fields such as energy storage (Battery and Fuel cell areas) , corrosion prevention and metal industries

Current Work at CSTEP: Studies on new methodologies related to materials design for applications in high performance batteries and related systems

Work Experience

1. University of Pittsburgh (USA)
Post Doctoral Fellowship
Dept. of Materials Science & Engineering
Area of Research: “Initial kinetics of copper oxidation in
different oxidizing atmospheres using in-situ Ultra High Vacuum
(UHV) Transmission Electron Microscopy (TEM)”

2. United States Steel Corporation, Pittsburgh (USA)
Senior Research Engineer
Area: Electroplating Process

3. General Motors Corporation (R&D); Bangalore
Senior Research Scientist
Area:Corrosion issues pertaining to dissimilar material joints
in automotive body and powertrain applications

Other Publications

International Journal Articles:
1.“Electrochemically impregnated aluminum stabilized alpha nickel hydroxide batteries”,
Mridula Dixit, Vishnu Kamath, R. Jayashree and A.K. Shukla, Electrochemical and Solid State Letters, 2 (4) 170-171, 1999.
2.“Zinc substituted alpha nickel hydroxide as an electrode material for alkaline secondary batteries”,
Mridula Dixit, P. Vishnu Kamath and J. Gopalakrishnan, Journal of Electrochemical Society, 146 (1) 79-82, 1999.
3.“Homogenous Precipitation from Solution by Urea Hydrolysis: A Novel Chemical Route to the alpha Hydroxides of nickel and cobalt”,
Mridula Dixit, P. Vishnu Kamath, G. Subanna, Journal of Materials Chemistry, 68 (1996) 1429.
4.“An electrochemically impregnated sintered nickel electrode”, Mridula Dixit, Vishnu Kamath, P. Ganesh Kumar , A.K. Shukla and N. Munichandraiah, Journal of Power Sources, 63 (1996) 167.
5.“Electro synthesis and Stabilization of alpha Cobalt Hydroxide in the Presence of Trivalent Cations”,
Mridula Dixit and P. Vishnu Kamath , Journal of Power Sources, 56 (1995) 97.
6.“Stabilized alpha-Nickel Hydroxide as Electrode Material for Alkaline Secondary Batteries”,
P. Vishnu Kamath, Mridula Dixit, L. Indira, Journal of Electrochemical Society, 141 (1994) 2956
7.“Electro synthesis of Layered Double Hydroxides of Nickel with Trivalent Cations”,
L. Indira, Mridula Dixit and P. Vishnu Kamath , Journal of Power Sources, 52 (1994) 93.
8.“The surface kinetics of copper oxidation investigated by in situ UHVTEM”,
Judith Yang, Mridula D. Bharadwaj, Guangwan Zhou and Lori Tropia, Microscopy and Microanalysis, (2001), 7:486-493.
9.“The reduction of copper oxide by water vapor visualized by in situ UHVTEM”,
Mridula D. Bharadwaj and Judith Yang, Scripta Materialia, 44 (2001) 2557-2561.
10.“Micro-Galvanic Corrosion Issues in AM Series Magnesium Alloys,
Mridula Dixit Bharadwaj, Shashank Tiwari and Suresh Sundarraj, Materials Technology”, @TMS on line spot light issue journal, posted date: Oct. 3, 2007

Conference:
11. ‘Initial kinetics of copper oxidation in different oxidizing atmospheres as studied by in situ UHV-TEM’,
Mridula D Bharadwaj, J.Yang, Anu Gupta, Proceedings of Microscopy and Microanalysis, Philadelphia, PA 2000.
12. "The Improved Passivation of Aluminum and Structure of Amorphous Alumina Formed on Aluminum During Oxidation in Various Environments",
G.W. Zhou, A. Kuznetsova, Mridula Bharadwaj, J. T. Yates, J. C. Yang , Microscopy and Microanalysis 6, 38 (2000).
13.‘Heteroepitaxy: the missing link between surface chemistry and dry corrosion’,
J.Yang, Mridula Bharadwaj, G.Zhou, L.Tropia, MRS Proceedings, San Francisco, CA 2000.
14.‘The effect of different oxidizing environments on the initial kinetics of copper oxidation’,
Mridula Bharadwaj, Murray Gibson, Judith Yang, Anu Gupta, Materials Research Society 1999, Boston, USA.
15.‘Effect of Al content on microgalvanic corrosion in Mg alloys’ Mridula Bharadwaj, Sunil Thamida and Shashank Tiwari, International Electrochemistry Conference Proceedings,
ISEAST, Goa (Nov 2006)
16. “Magnesium for Automotive Applications”, Mridula D Bharadwaj Indo-US Symposium on Frontiers of Engineering (2006) Poster
17. “Microgalvanic corrosion of Mg alloys as a function of Al content”
Mridula Bharadwaj,Shashank Tiwari, V. Mani, Yar-Ming Wang, Proceedings of The Materials Society (TMS), New Orleans, USA. March 2008
18.“Effect of composition and cooling rate on the beta phase formation in Mg-Al alloys”,
Suresh Sundarraj, Mridula Bharadwaj and Shashank Tiwari, Proceedings of The Materials Society (TMS), USA conference, March 2008, New Orleans, USA
19.“ Corrosion and microstructural characterization of a Calcium containing creep resistant Mg Alloy ”,
Yar-Ming Wang, Bob Powell, D. Radovic, V. Rezhets, Mridula Bharadwaj,
MRS International Materials Research Conference Proceedings, June 2008,China

Patents Filed:

1.Mridula D. Bharadwaj, Anil Sachdev, Mark W. Verbrugge
(General Motors Corp.)
Patent title: “Sacrificial Coatings for Magnesium Components” U.S. Patent Appl. No. 2008/0096036
2.Yar-Ming Wang, Mridula D. Bharadwaj Bob R. Powell Dusanka Radovic
(General Motors Corp.)
Patent Title: “Die Cast Magnesium Components”
U.S. Patent Appl. No. 2009 007 1620
3. Mridula Bharadwaj, Suresh Sundarraj, Shashank Tiwari, Alan Luo, Deepika Sachdeva
(General Motors Corp.)
Patent Title: “Improved Corrosion Resistance of the Cast Mg Alloys by Novel Microstructural Phase modification”
U.S. Patent Appl: P002258

Awards and Recognitions:

1. Best Paper Award,( Material Science Category) by
Microscopy Society of America, 2001
Microscopy and Microanalysis, (2001), 7:486-493.
2. Elected : Chairman (Corrosion Group),
Society for Advancement of Electrochemcal Science and
Technology (SAEST) 2005-2007.

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