16. An aluminum substituted cathode material, its method of preparation, and a cathode for sodium-ion batteries, S. K. Martha, Sanjay Biswas, Sourav Ghosh and V. Kiran Kumar (Indian patent), Patent Appl. No. 202111000563; filed on 6/1/2021.


15. A carbon anode for sodium-ion battery and a process for preparation thereof, S. K. Martha, Sanjay Biswas, Sourav Ghosh, and V. Kiran Kumar (Indian patent Patent Appl. No. 202111000587; filed on 6/1/2021.


14. HIGH ENERGY DENSITY SECONDARY LITHIUM BATTERIES, J. Nanda, N. J. Dudney, C. K. Narula, S. Pannala, R. R. Unocic, S. K. Martha, US. Pat. US 2019 / 0157712 A1 (May 23, 2019).


13. Operation of battery involves providing lithium-ion battery containing anode, cathode, electrolyte and protective layer, and operating battery at elevated operating conditions, N. J. Dudney, C. Liang, J. Nanda, G.M. Veith, Y. Kim, S. K. Martha, US. Pat., US2017133686-A1; US9837665-B2. Accession Number: DIIDW:201730071H.


12. HIGH ENERGY LITHIUM ION CELL, Surendra K. Martha, S. Krishna Kumar, Sourav Ghosh, Indian Complete Patent Application no. 201841024810A (2/7/2020).


11. Corrosion-protected grids for a lead-acid battery, S. K. Martha, Naresh V., Lijju Elias, Indian Patent, 2018 (Application no. 201841025931).


10. Nano-structured RGO coated TiO 2 as negative electrode additive for high performance lead-acid    batteries, S. K. Martha, Naresh V., S. A. Gaffoor, Indian Patent, 2017.


9.   Electrode for battery comprises composite silicon-carbon (Si-C) fiber containing carbon matrix material with embedded silicon, O. Rios, W. E. Tenhaeff, S. K. Martha, US Pat. Granted, US Pat. No. US2018166684-A1 (2018). Accession Number: DIIDW:201846632R.


8.  Patent Number: US2018166684-A1Lipon coatings for high voltage and high temperature l-ithium-ion battery cathodes, N. J. Dudney, C. Liang, J. Nanda, G.M. Veith, Y. Kim, S. K. Martha, US. Pat., US9570748 B2 (Granted Feb 14, 2017). (US9570748 B2 and US9837665 B2 are different).


7.  Lipon coatings for high voltage and high temperature lithium-ion battery cathodes, N. J. Dudney, C. Liang, J. Nanda, G.M. Veith, Y. Kim, S. K. Martha, US. Pat., US9837665 B2 (Granted Dec 5, 2017). (US9570748 B2 and US9837665 B2 are different).


6.   High-Capacity Monolithic Composite Si/Carbon Fiber Electrode Architectures, O. Rios, W. E. Tenhaeff, S. K. Martha, US Pat. Granted, US Pat. No. 2014/0038042 A1 (Granted Feb 6, 2014).


5. (Extention of US Pat. No. 2014/0038042 A1) High capacity monolithic composite Si/carbon fiber electrode architectures synthesized from low-cost materials and process technologies, R Orlando, C Daniel, WE Tenhaeff, SK Martha, US Patent 10,680,236, 2020.


4.  High Energy Density Multivalent Conversion Based Cathodes for Lithium Batteries, N. J. Dudney, J. Nanda, S. K. Martha, US Pat US No. 20150099169 A1 (2015).


3.   High energy density secondary lithium batteries, J. Nanda, N. J. Dudney, C. K. Narula, S. Pannala, R. R. Unocic, S. K. Martha, US. Pat. US20140106215 A1 (Granted April 17, 2014).


2. Grids for lead-acid battery with electroconductive polymer coating, A. K. Shukla, S. K. Martha, B. Hariprakash, S. A. Gaffoor, and D. C. Trivedi, World Intellectual Property Organization, International Publication number WO 2006/070405, International application number PCT/IN2004/000444 (2006), Patented over 30 countries.


1. High-performance deep-cycle hybrid-VRLA battery with recombinant catalyst, S. K. Martha, B. Hariprakash, S. A. Gaffoor, and A. K. Shukla, Indian Patent, 228/CHE/2004, April 2004.