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Patents

  1. A Process for In-Situ Carbon Coating on Alkali Transition Metal Oxides, MB Sahana, S Vasu, Sathiya Mariappan, R Gopalan, Patent Application Number: 201611007461, 03/03/2016.
  2. An improved process for the preparation of exfoliated graphite separator plates useful in fuel cells, the plates prepared by the process and a fuel cell incorporating the said plates. K.S. Dhathathreyan, N.Rajalakshmi , S. Pandiyan Indian Patent (granted), Application No. 281504 , dated 20/03/2017.
  3. An improved test control system useful for fuel cell stack monitoring and controlling, K.S. Dhathathreyan N. Rajalakshmi, Indian Patent Appl.no.1989/del/2006, dated 12/01/2007.
  4. An improved fuel cell having enhanced performance, N. Rajalakshmi K.S. Dhathathreyan, ndian Patent Appl.no. 606/del/2007 dated 21/03/2007.
  5. Improved electrode membrane assembly and a method of making the assembly K.S.Dhathathreyan, N. Rajalakshmi, Indian Patent application No.:631/del/2008, dated 13/03/2008, Granted 290765 dated 18/12/2017.
  6. An improved catalyst ink useful for preparing gas diffusion electrode and an improved PEM fuel cell. G.Velayutham, N. Rajalakshmi , K S Dhathathreyan, Indian Patent (granted) Application No. 277778 dated 30/12/2016.
  7. An improved gas flow field plate for use in polymer electrolyte membrane fuel cells (pemfc), K.S.Dhathathreyan, N. Rajalakshmi, S. Pandiyan, R. Vasudevan, L. Babu, T.P. Sarangan, R. Parthasarathy, Indian Patent Application Number 2339/del/2008, Dated 13/10/2008.
  8. An improved gas and coolant flow field plate for use in polymer electrolyte membrane fuel cells (pemfc). K.S.Dhathathreyan, N. Rajalakshmi, G. Velayutham, R. Vasudevan, T.P. Sarangan, R. Parthasarathy, Indian Patent Application Number : 1449/del/2010, dated 28/04/2010
  9. A device for, and a method of, cooling fuel cells K.S.Dhathathreyan, N. Rajalakshmi, B. Viswanath Sasank, Indian Patent Application Number 1409/DEL/2012, dated 08/05/2012
  10. Electronically and ionically conducting multi layer fuel cell electrode and a method for making the same, K.S.Dhathathreyan, N. Rajalakshmi, R. Vasudevan, T.P. Sarangan, Indian Patent, Application Number 2198/DEL/2012, dated 17/07/2012.
  11. Enhanced thermal management system for fuel cell applications using nanofluid coolant, K.S.Dhathathreyan,N. Rajalakshmi, B. Viswanath Sasank, S. Ramaprabhu, Tessy Theres Baby, Indian Patent Application number 1745/DEL/2012 dated 07/06/2012.
  12. Fuel cell system equipped with oxygen enrichment system using magnet, K.S.Dhathathreyan, N. Rajalakshmi, B. Viswanath Sasank, Indian Patent Application Number 2985/del/2012, dated 25/09/2012.
  13. A method of preparation of platinum nano particle catalyst supported on carbon in tubular flow reactor via polyol process K S Dhathathreyan, N Rajalakshmi, K N M Krishna, Indian Patent application Number 1571/DEL/2013, dated 24/05/2013
  14. An improved process for preparing nanotungsten carbide powder useful for fuel cell, K.S. Dhathathreyan, N. Rajalakshmi, T. Narasinga Rao, Indian Patent (Granted) Application No. S303338, dated 22/11/2018.
  15. S. Sakthivel, S V Joshi, M S Prasad, “Solar Selective Coating for Soar Energy Collector /Absorber Tubes With Improved Performance and a Method of Producing the Same” Indian patent: Application no. 2142/DEL/2015, dated 15/07/2015.
  16. S. Sakthivel, S V Joshi, M S Prasad, “An improved performance of Nanocomposite Oxide Selective Absorber Coating with excellent optical and thermal resistant properties and method of manufacturing the same” Indian patent: Application no. 1111/DEL/2015, dated 22/04/2015.
  17. S. Sakthivel, S Viswanathan, S V Joshi, “A Super Hydrophobic Coating with High Optical Properties having Easy to Clean Property, UV and Corrosion Resistance Properties, a Process of Preparation and Application of the same” Indian patent: Application no. 402/DEL/2014, dated 12/02/2014.
  18. S. Sakthivel, K. Chandra Sekhar Reddy, “Method of producing Hollow MgF2 nanoparticles, anti-reflection coating sols and coatings for optical and solar applications”, Indian patent: Application no. 201611041804, dated 07/12/2016.
  19. S. Sakthivel, D Karthik, S V Joshi, “Method of producing porous MgF2 nanoparticles, antireflection coating suspension and coatings for solar optical UV and IR transparent window applications”, Indian patent: Application no. 4041/DEL/2014, dated 31/12/2014.
  20. S. Anandan, P.M. Pratheeksha, R. Vijay and Tata N. Rao, A method of producing high performance lithium titanate anode material for lithium ion battery applications, PCT International Application No. 2018/050047, dated 31/01/2018.
  21. S. Anandan, P.M. Pratheeksha, R. Vijay and Tata N. Rao, A method of producing high performance lithium titanate anode material for lithium ion battery applications, Indian Patent Application No. E-2/1972//2017/DEL dated 27/12/2017.
  22. S. Anandan, K. Nanaji, and Tata N. Rao, “Method of producing graphene like structured nanoporous carbon material from Jute stick based bio-waste for Energy Storage applications and the product thereof” Patent Appl. No. E-2/276//2018/DEL, dated 16/02/2018.
  23. Bulusu V. Sarada, Sreekanth Mandati and Shrikant V. Joshi, A novel electrochemical method for manufacturing CIGS thin-films containing nanomesh-like structures, Indian Patent Appln. No. 426/DL/2015, dated 16/02/2015.