ENERGY ENERGY Lead-Acid Batteries Lead-Acid Batteries Lithium-ion Batteries Lithium-ion Batteries Supercapacitors Supercapacitors N. KALAISELVI N. KALAISELVI [email protected][email protected]ELECTROCHEMICAL POWER SYSTEMS ELECTROCHEMICAL POWER SYSTEMS Fuel Cells Fuel Cells Redox Flow Batteries Redox Flow Batteries
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• PEMFC for low humidity and elevated temperature PEMFC for low humidity and elevated temperature
(i) Series of Nafion- inorganic composite self-humidifying membranes(i) Series of Nafion- inorganic composite self-humidifying membranes
(ii) SPEEK-Carbon nanostructure composite for high performance PEFC (ii) SPEEK-Carbon nanostructure composite for high performance PEFC
(iii) Wick based internal humidification process (iii) Wick based internal humidification process
• Electro catalysts and supports (i) Pt based, non-precious metal and non-metallic catalysts for ORR; (i) Pt based, non-precious metal and non-metallic catalysts for ORR;
(ii) Porous carbon, carbon from waste, graphite nanofiber, graphene based support (ii) Porous carbon, carbon from waste, graphite nanofiber, graphene based support
materials for fuel cell catalyst developmentsmaterials for fuel cell catalyst developments
(iii) TiO(iii) TiO2 2 based nanostructures for ORRbased nanostructures for ORR
• DMFC components and systems (i) Membranes for low methanol crossover, methanol oxidation / tolerant catalysts(i) Membranes for low methanol crossover, methanol oxidation / tolerant catalysts
(ii) Alternative aromatic and biopolymer composite membranes(ii) Alternative aromatic and biopolymer composite membranes
(iii) Anion exchange membranes for alkaline DMFC(iii) Anion exchange membranes for alkaline DMFC
•H2/air 3 kW water cooled PEMFC systems for stationary, automotive and telecommunication applications (Demonstrated at Reliance Industries Ltd., Mumbai)
•H2/air 1 kW air cooled stack - Demonstrated and delivered to IGCAR, Kalpakkam
MEA Process, Testing and Validation at IndustrialMEA Process, Testing and Validation at Industrial (Reliance) Site and Durability Data(Reliance) Site and Durability Data
3 kW PEMFC stack Validation at PATHALA GANGA site
No. of cells: 20; Active area: 160 cmNo. of cells: 20; Active area: 160 cm22; T; Topop: 60: 60ooC; HC; H2 2 & Air stoichiometry: 1.2:3.0 & Air stoichiometry: 1.2:3.0
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20 CELL STACK POLARIZATION CURVE (H2 - Air )
Sta
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Stack Current (A)
Stoichiometric ratio 1.2 : 3
Current at 0.6V = 81A
Current Density at 0.6V = 506mA/cm2
Power at 0.6V = 966W
Peak Power = 1018W (at 0.54V)
Cell Temperature = 550 C - 600 C
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Stack Current (A)
Stoichiometric ratio 1.2 : 1.2
Current at 0.6V = 115A
Current Density at 0.6V = 718mA/cm2
Power at 0.6V = 1384W
Peak Power = 1404W (at 0.59V)
Cell Temperature = 550 C - 600 C
Sta
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ow
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Sta
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olta
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20 CELL STACK POLARIZATION CURVE (H2 - O
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1 kW H2-air PEMFC stack Demonstration
1. TVS Motor Company LimitedP B No. 4, Harita, Hosur – 635 109,Tamilnadu, India
2. Sainergy Fuel Cell India Pvt. Ltd.Aleena Towers, No 288 Burma ColonyPerungudi, Chennai 600 096, India
3. Ingsman Energy and Fuel Cell Research Organization Private LimitedPlot No.246, 3rd Link Street,Nehru Nagar, Kottivakkam,Chennai - 600 096, Tamilnadu, India