Dr. Prakash A.S

Senior Scientist, Central Electrochemical Research Institute and Assistant Professor at Academy of Scientific and Innovative Research

Area of Expertisea.s prakash

Research on materials for futuristic electrochemical energy storage. In specific, developing novel electrodes for high capacity Li-ion batteries, Na/Mg-ion, Li-air batteries and battery hybrid supercapacitor electrodes.

Nanostructed electrode materials for Li-ion batteries. Mechanistics approach to battery degradation, life cycle studies of Li-ion batteries, materials effects on kinetics of Li-ion batteries. 

Developing novel synthetic routes to high perfroming Li-ion battery electrode materials. Bulk synthesis and green chemistry approaches.

Ionic noble metal catalysts for heterogenious catalysis. Noble metals such as Pt and Pd substituted cerium oxides and their synthesis, charecterization and catalytic property towards simultaneious oxidation of CO, Hydrocarbons and NO reduction reactions.  

Synthesis, structure, characterization and electrochemical reactivity of new oxide phases. Their reactivity understanding through insitu electrochemical studies.

Profile 

2011 Jan – Present           Senior ScientistCentral Electrochemical Research Institute-Chennai unit, CSIR-Madras complex, Taramani,  Chennai, India

                                               Assistant Professor – Chemical Science, Academy of Scientific and Innovative Research (AcSIR), Council of Scientific and Industrial Research (CSIR), India

                                               Research on materials for futuristic electrochemical energy storage. In specific, developing novel electrodes for high capacity Li-ion batteries, Na/Mg-ion, Li-air batteries and battery hybrid supercapacitor electrodes.

2008- 2011                          ScientistCentral Electrochemical Research Institute-Chennai unit, CSIR-Madras complex, Taramani, Chennai, Tamil Nadu, India

                                               Nanostructed electrode materials for Li-ion batteries. Mechanistics approach to battery degradation, life cycle studies of Li-ion batteries, materials effects on kinetics of Li-ion batteries.  

2006 Oct- 2008 Jan          Scientist Fellow (QHS)  – Central Electrochemical Research Institute, Karaikudi, Tamil Nadu, India

                                               Developing novel synthetic routes to high perfroming Li-ion battery electrode materials. Bulk synthesis and green chemistry approaches.

2005 Sept- 2006 Oct        Research Associate Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, India

2003 Sept- 2005 Aug       Postdoctoral Fellow – Laboratoire de Réactivité et de Chimie Des Solides, CNRS, Université de Picardie, Jules Verne, Amiens, France

2003 March-2003 Aug    Research Associate – Solid State and Structural Chemistry Unit (SSCU), Indian Institute of Science, Bangalore, India

2000 Jan-2003 March     Project JRF/SRF – SSCU, Indian Institute of Science, Bangalore, India

2003                                    Ph. D in Chemistry, Thesis title: “Synthesis of complex transition metal oxides by solution combustion method: Structure and catalytic properties”, Mangalore University, Mangalore, India

1995                                     M. Sc, Department of Chemistry, Mysore University, Mysore, India

1993                                     B. Sc, St. Philomenas College, Mysore, Karnataka, India

Visits Abroad    

1st Sept 2013:                 Nominated as Visiting professor at College de France, Paris, France

6 Aug -27Aug 2013       Visiting Scientist, Fraunhofer Institute for Manufacturing Technology and

                                           Advanced Materials, IFAM, Bremen, Germany

15 Sept-31 Oct 2012        Visiting Scientist, Fraunhofer Institute for Manufacturing Technology and

                                           Advanced Materials, IFAM, Bremen, Germany

28 Nov-01 Dec 2010        Member of Indian deligation team to Taiwan for Indo-Taiwan Bilateral program on Energy Storage devices

Research

Li-ion batteries

  1. M. Sathiya, G. Rousse, K. Ramesha, C.P. Laisa,  H. Vezin, M. Sougrati, M. L. Doublet, D. Foix, D. Gonbeau, W. Walker, A.S. Prakash, M. Ben Hassine, L. Dupont,  and J.-M. Tarascon, “Evidence for Reversible Anionic Redox Species in High Capacity Li-Based Oxide Electrodes. The Model Case Li2Ru1-ySnyO3“, Nature Materials, July (2013) DOI: 10.1038/NMAT3699.
  2. M. Sathiya, K. Ramesha, G. Rousse, D. Foix, D. Gonbeau, A.S. Prakash, M-L Doublet, K. Hemalatha, J. M. Tarascon, “High Performance Li2Ru1–yMnyO3 (0.2 ≤ y ≤ 0.8) Cathode Materials for Rechargeable Lithium-Ion Batteries: Their Understanding” Chemistry of Materials, 25 (7) 1121  (2013).
  3. M. Sathiya, K. Hemalatha, K. Ramesha, J. M. Tarascon, A.S. Prakash, “Synthesis, Structure, and Electrochemical Properties of the Layered Sodium Insertion Cathode Material: NaNi1/3Mn1/3Co1/3O2” Chemistry of Materials, 24 (10) 1846 (2012).
  4. M. Sathiya, A.S. Prakash, K. Ramesha, J-M. Tarascon and A.K. Shukla “V2O5-anchored Carbon Nanotubes for electrochemical energy storage” J. Am. Chem. Soc., 133, 16291-16299 (2011).
  5. A.S. Prakash, P. manikandan, K. Ramesha, M. Sathiya, J-M. Tarascon, and A. K. Shukla, “Solution-Combustion Synthesized Nanocrystalline Li4Ti5O12 As High-Rate Performance Li-ion Battery Anode” Chemistry of Materials, 22, p2857-2863 (2010).
  6. M. Sathiya, A.S. Prakash, K. Ramesha and A.K. Shukla, “Rapid synthetic routes to prepare LiNi1/3Mn1/3Co1/3O2 as a high voltage, high-capacity Li-ion battery cathode”, Mater. Res. Bull., 44, 1990-1994 (2009).
  7. R.B.Khomane, A.S. Prakash, K. Ramesha and M. Sathiya “CTAB-assisted sol-gel synthesis of Li4Ti5O12 and its performance as anode materials for Li-ion batteries”, Mater. Res. Bull.46, 1139 (2011).
  8. M. Sathiya, A.S. Prakash, K. Ramesha and A. K. Shukla “Nitrates melt synthesis of LiNi0.8Co0.2O2 and investigation of its performance in Li-ion battery”, Bull. of Mater. Science, 34 (7) p. 1693-1698, (2011).
  9. A.S. Prakash, P. Rozier, L. Dupont, and J-.M. Tarascon, “Electrochemical reactivity of Li2VOSiO4 towards Li”, Chemistry of materials, 18 (2), p. 407 -412, (2006).

10. A.S. Prakash, D. Larcher, M. Morcrette, M.S. Hegde, J-B. Leriche and C. Masquelier,   “Synthesis, Phase stability and electrochemically-driven transformations in the LiCuO2-Li2CuO2 system”, Chemistry of Materials (17), p. 4406-4415, (2005).

11. Dominique Larcher, A.S. Prakash, Juliette Saint, Mathieu Morcrette and Jean-Marie Tarascon, Electrochemical reactivity of Mg2Sn phases with metallic lithium”, Chemistry of  materials 16(25), p.5502-5511. 2004.

12. J. M. Tarascon, C. Delacourt, A.S. Prakash, M. Morcrette, M. S. Hegde, C. Wurm, C. Masquelier, “Various strategies to tune the ionic/electronic properties of electrode materials”, Dalton Transactions, (19), p. 2988-2994, (2004)

13. D. Larcher, A.S. Prakash, , M.S. Hedge, L. Laffont, and J-.M. Tarascon, “Electrochemical activity of MSb2O6 trirutile-type phases vs. Li”, Journal of Electrochemical Society, 153 (9)  A1778-A1787 (2006).

14. G Binato,D. Larcher, A.S. Prakash, R. Herrera urbina, M.S.Hegde, and J-.M. Tarascon, “Synthesis, Characterization and Li-electrochemical performances of highly porous Co3O4 powders”, Chemistry of Materials, (19) p. 3032-3040 (2007).

15. M. Sathiya, A.S. Prakash, K. Ramesha and A.K. Shukla, “Nitrate-melt synthesised HT-LiCoO2 as a superior cathode material for Lithium-ion batteries”, Materials, 2009, 2, 857-868: doi: 10.3390/ma2030857

  1. 16.  M. Sathya, K. Ramesha, G. Rousse, D. Gonbeau, A.S. Prakash, J-M.Tarascon, “High performance Li2Ru1-yMnyO3 (0.2 £ y £ 0.8) cathode materials for rechargeable Li-ion batteries” Communicated to Chem. Mater (2013)

Synthesis and Catalysis

17. A.S. Prakash, P. Vishnu Kamath and M.S. Hegde “Synthesis and characterization of the layered double hydroxide of Mg with Cr”, Mater. Res. Bull., 35 (13), p.2189-2197 (2000).

18. A.S. Prakash, A. M. A. Khadar, K. C. Patil and M.S. Hegde, “ Hexamethylenetetramine: A new fuel for solution combustion synthesis of complex oxides”, J. Mater. Syn. Processing,10(3) p135 (2002).

19. Shivkumara, M.S. Hegde, A.S. Prakash, A. M. A. Khadar G. N. Subbanna and N. P. Lalla “Low temperature synthesis, structure and properties of alkali-doped La2NiO4, LaNiO3 and LaNi0.85Cu0.15O3 from alkali hydroxide fluxes”, Solid State Sciences, 5(2), p. 351-357, (2003).

20. A.S. Prakash, P. Bera, A. M. A. Khadar and M. S. Hegde “Cu- substituted MnCuxAl2-XO4: A new catalyst for NO reduction and oxidation of CO, NH3, CH4, and C3H8”, Indian J. Chem., 42A(7), p. 1581-1589, (2003)

21. A. Gayen, T. Baidya, A.S. Prakash, N. Ravishankar, M.S. Hegde, “Influence of cerium precursor on the size and solid solubility of transition metals in combustion synthesized Ce1-xMxO2-d (M = Cu, Pd) nano crystallites: Enhancement of redox properties and catalytic activity”, Indian J. Chem., 44(1), p. 34-48, (2005).

22. M.Bellaki, A.S.Prakash, C. Shivakumar, and M.S. Hegde. “Auto combustion synthesis of oxide-ion conductors of the type Bi1-xLnxO1.5 Phases (Ln = Y, La-Lu)”, Bulletin of materials science, 29, (4), 2006.

23. A.S. Prakash, C. Shivakumar, M.S. Hegde, Loic Dupont and J. M. Tarascon, “Synthesis of Non stoichiometric Bi2O4-x by oxidative precipitation”, Materials research bulletin, 42 P707-712 (2007).  

24. A.S. Prakash, C. Shivakumar and M.S. Hegde, “Single step preparation of CeO2/CeAlO3/g-Al2O3 by solution combustion method: Phase evolution, thermal stability and surface modification”, Materials Science and Engineering, B, 139, P 55-61 (2007).

25. Manjunath Bellakki, C. Shivakumara, Tinku Baidya A.S. Prakash, N. Y. Vasanthacharya and M.S. Hegde, Synthesis, Structure and Oxygen Storage Capacity of Pr1-xZrxO2-d and Pr1-x-yPdy ZrxO2-d, Materials Research Bulletin, 43, 2658-2667 (2008).

26. C. Shivakumara, Manjunath B. Bellakki, A.S. Prakash and N. Y. Vasanthacharya, “Rapid synthesis of ferromagnetic La1-xNaxMnO3 (0.00 £ x £ 0.25) by solution combustion method”, Journal of American Ceramic Society, 90, P 3852 (2007).

27. A.S. Prakash, Manjunath Bellaki, C. Shivakumara, Sounak Roy and M. S. Hegde, “Single step preparation of 3-way auto exhaust catalyst,   Pd/CeO2/g-AlO3: Ionic dispersion of Pd, evolution of CeAlO3 phase and their Implication to Catalysis” Communicated to Materials Research bulletin

28. K. Ramesha and A.S. Prakash, “Synthesis and Investigation of magento-dielectric effect in A2FeMn0.5W0.5O6 (A = Ca, Sr, Ba) double pervoskites”, Mater. Sci. Eng. B, 164, 124-130 ( 2009)

29. Manjunath B. Bellakki, C. Shivakumara, N. Y. Vasanthacharya and A.S. Prakash, “Rapid synthesis of room temperature ferromagnetic Ag-doped LaMnO3 perovskite phases by the solution combustion method, Materials Research Bulletin, 45, 1685-1691(2010).

30. K. Ramesha, A.S. Prakash, M. Sathiya, M. Giridar, A.K. Shukla, “Synthesis and photocatalytic properties of Ag[Li1/3Ru2/3]O2: a new delafossite oxide”, Mater. Sci. Eng. B, B 176, 141–146 (2011)

31. K. Ramesha, A.S. Prakash, M. Sathiya, G. Madras and A. K. Shukla, “Synthesis of new (Bi,La)3MSb2O11 phases (M = Cr, Mn, Fe) with KSbO3-type structure and their magnetic and photocatalytic properties”, Bulletin of Materials Science, 34 (2), 217-277,  (2011).

32. R. Ramachandran, M. Sathiya,  K. Ramesha, A.S. Prakash, G. Madras, A. K. Shukla, “Photocatalytic properties of KBiO3 and LiBiO3 with tunnel structures”, Journal of Chemical Sciences, 123 (4), 517-524, (2011).

 Metal organic-inorganic hybrid compounds

33. D. Chopra, P. Dagur, A.S. Prakash, T.N. Guru Row, M.S. Hegde, “Synthesis and crystal structure of M(hmt)2(H2O)6(NO3)2.4H2O complexes, where M=Mn2+, Co2+”, Journal of Crystal Growth, 275(1-2), p. e2049-e2053, (2005)

34. P. Dagur, D. Chopra, A.S. Prakash, T.N. Guru Row, M.S. Hegde, “Synthesis, characterization and structure of [Ni(H2O)6]2(Cr2O7)2(hmta)4.2H2O (hmta=hexamethylenetetramine): a novel metal organic-inorganic hybrid”, Journal of Crystal Growth, 275(1-2), p. e2043-e2047, (2005)

35. D. Chopra, P. Dagur, A.S. Prakash, T. N. G. Row, M. S. Hegde, Hexaaquamanganese(II) dinitrate bis(hexamethylenetetramine) tetrahydrate”, Acta Crystallographica Section E Structure Reports Online, 60 Part 4, p. M348-M349, (2004)

36. P. Dagur, D. Chopra, A.S. Prakash, T. N. G. Row, M. S. Hegde, Hexaaquanickel(II) dichromate bis(hexamethylenetetramine) monohydrate”, Acta Crystallographica Section E Structure Reports Online, 59 Part 12, p. M1129-M1130, (2003)

Invited lectures at National/International Conferences

  1. “Nano architectured materials for Li-ion batteries” International Conference on Electrochemical Power Systems (ICEPS-2008), Thiruvanathapuram, Kerala, India, November 2008.
  2. “Nano structured Co3O4 as Li-ion battery anode” ICRAIEST-International Conference on Recent Advances in Industrial Electrochemical Science and Technology, Mangalore University, Mangalore, India, November 2009.
  3. “Nano materials for electrochemical energy storage” 5th Nanotechnology Conclave organised by Confederation of  Indian Industries and DST with OSKE, Finland. (2010) Hotel Taj palace, Delhi, India.
  4. “Nanomaterials Electrochemical Energy Storage” Indo-Taiwan Bilateral Workshop on Energy storage devices, National Central University Taiwan, 28th Nov 2010-01st Dec 2010.
  5. “Nano materials based electrodes for rechargeable Li-ion batteries”, International symposium on Advances in Electrochemical Science and Technology (ISAEST-9), Green park, Chennai, India, December 2010.
  6. “Clean Technologies for Electrochemical Energy Storage” National Conference on “Green Chemistry” at SRM University Modhinagar, UP. India Sept 15-16, 2010.
  7. “Nanoarchitecture electrode materials for Li-ion batteries”, Summer School on “Nanoscience and Technology”, June 2010, NIT Himirpur, Himachalpradesh
  8. “Nanomaterials for electrochemical energy storage” National Conference on “Chemistry of Materials” at Tumkur University, Karnataka, India Sept 28, 2011.
  9. “V2O5 anchored CNTs as next generation electrochemical energy storage material” 6th Asian Conference on Electrochemical Power Sources (ACEPS-6), Green Park, Chennai, India, January 5-8, 2012

10. “Materials for futuristic electrochemical energy storage” International conference on “Recent Advances in Electrochemical Energy Materials and Devices”Indian Institute of Science, Bangalore, India. July 24-27, 2012

11. “V2O5 anchored carbon nanotubes as battery supercapacitor hybrid electrode” IUMRS-ICYRAM 2012,

(International Conference of Young Researchers on Advanced Materials) Singapore, 1st – 6th of July, 2012.

  1. 12.  “Rechargeable Na-ion batteries, for sustainability reasons” One day national symposium on Realms of electrochemistry, SSN College, Chennai 2nd March 2013.

13. “Recent advances in rechargeable Li-ion batteries”, National Symposium on Recent advances in Chemical Science, NSRACS-2013, Mangalore University, India, 25th April 2013.

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