1. Performance Testing and characterization of multiple Lithium ion cells of different capacities from multiple vendors by DCIR, HPPC, EIS testing methods. 2. Built Equivalent circuit network model of 72Ah and 100Ah cells using HPPC data collected at various temperatures.3. Designed electrical architecture of 7.4 kWh and 15kWh battery packs 4. Analysed thermal behaviour of the battery pack and designed thermal runaway protection mechanisms.5. Communicated with component vendors and finalized all components in the battery pack.6. Involved in the BMS integration.7. Designed electrical test procedures to validate the performance of the battery pack. 8. Led the team of FMEA for the battery pack.9. Prepared the documents needed for the homologation process.10. Finished the homologation of battery pack at ARAI under L5N category as per AIS 156.11. Built state estimation models in MATLAB.

• Developed an equivalent circuit network cell model to analyze cell characteristics.• Developed test procedures to find OCV – SOC relation and other cell parameters.• Worked on the development of battery management system based on the cell model developed.• Selecting cooling and heating strategies for battery pack.• Feasibility analysis of various li-ion cells from different manufacturers

• Studied Sodium (Na) based solid state batteries (glass ceramics).• Prepared Na9V3(P2O7)3(PO4)2, Na9Mn3(P2O7)3(PO4)2 and Na9Mo3(P2O7)3(PO4)2 samples via solid state synthesis and sol-gel routes.• XRD analysis of the samples prepared to find crystal structure, phase identification, lattice parameters, crystallite size.

Project: Development of lithium ion battery• Review of literature to understand various cell chemistries like NMC, NCA, LFP and LTO.• Identifying the suitable chemistry for our application.• Study of cell characteristics of different chemistries at various temperatures, discharge rates and also their ageing mechanisms.• Following the latest research advancements at component level.• Communicating with different battery vendors.Project: Conversion of diesel car to electric with custom built battery pack• Responsible for building a lead acid battery pack of 110V.• Testing of cells to identify cell parameters.• Responsible for development of simple battery management system with SoC estimation, passive charge balancing and over charge protection.