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Belenos Clean Power Holding Ltd. Belenos activities in the field of green energy and Belenos Clean Power Holding Ltd. Belenos activities in the field of green energy and its storage E. Varkaraki, U. Hannesen, A. Closset 7 th International Scientific Conference on Energy and Climate Change – Green Economy 8 -10 October 2014, KEPA, UOA, Athens, Greece

Introduction 2007: Belenos Clean Power Holding was founded by N. G. Hayek to develop Introduction 2007: Belenos Clean Power Holding was founded by N. G. Hayek to develop a sustainable energy chain starting from solar energy Prestigious partners were associated to the project: Swatch Group Ltd, Hayek Engineering, Deutsche Bank, Swiss Federal Institute of Technology Zurich, Paul Scherrer Institut, Ammann-Group, Group E and actor George Clooney Since 2008: Development of a unique FC system running on Hydrogen and pure Oxygen in partnership with the Paul-Scherrer-Institute (PSI) Since 2011: Development of Hydrogen/Air FC system for mobile applications. Redesign of H 2/O 2 FC system for stationary applications Since 2012: Development of a PEM electrolyser for the production of hydrogen fuel from water and renewable energy

The Belenos Clean Energy Chain PV Panels PV Surface: Annual Mobility: DC/AC H 2 The Belenos Clean Energy Chain PV Panels PV Surface: Annual Mobility: DC/AC H 2 O 70 m 2 15’ 000 km Electrolysis c Grid M FC H 2 O 2 Battery

Swiss Hydrogen Power Belenos Clean Power Holding Ltd. JV I Swiss Hydrogen Power Ltd. Swiss Hydrogen Power Belenos Clean Power Holding Ltd. JV I Swiss Hydrogen Power Ltd. JV III JV IV JV V Swiss Fuel Cell Swiss Photovoltaic Swiss Battery Belenos Engineering

Swiss Hydrogen Power Developing electrolyser stack and system for hydrogen and oxygen production Tests Swiss Hydrogen Power Developing electrolyser stack and system for hydrogen and oxygen production Tests at Belenos facilities H 2 production with electrolyser, compression and refueling

Prototype SHP Electrolyser ü ü Fully developed “in-house” Good performance, stable operation, on-going durability Prototype SHP Electrolyser ü ü Fully developed “in-house” Good performance, stable operation, on-going durability tests Simple construction, compact, robust 5 k. W prototype to be installed at the EPFL before end 2014 PEM Electrolyser Capacity Nm 3/h H 2 Pressure bar System Efficiency % (HHV) SHP Giner Hydrogenics ITM Power LNI Schmidlin Proton Energy 0. 5 to 1 3. 7 1 0. 6 0. 04 1 30 85 1 -8 15 1 -10 15 65 65 49 60 39 48

Prototype SHP Electrolyser Technical Specifications Production: up to 1000 NL/h H 2 up to Prototype SHP Electrolyser Technical Specifications Production: up to 1000 NL/h H 2 up to 500 NL/h O 2 Pressure: 30 bar Power: 5 k. W Cabinet: (Lx. Wx. H) 80 x 100 cm Stack efficiency: 75% System efficiency: 65% (estimated)

Prototype SHP Electrolyser Prototype SHP Electrolyser

Prototype SHP Electrolyser Prototype SHP Electrolyser

Fuel Cell mobility tests Fuel Cell mobility tests

Belenos Fuel Cell System ü Proprietary design of fuel cell stack and FC system Belenos Fuel Cell System ü Proprietary design of fuel cell stack and FC system ü Development of low cost PEM membrane with excellent durability in collaboration with PSI ü Bipolar plate development with leading supplier for stationary FC systems ü Integrated system components for improved performance and reduced cost ü Production capacity for 1 MW/month available

Advantages H 2/O 2 FC over H 2/Air FC Higher system efficiency v 60. Advantages H 2/O 2 FC over H 2/Air FC Higher system efficiency v 60. . 70% with H 2/O 2 vs. 45. . 55% with H 2/Air Significantly lower cost v Power density (W/cm 2 active area) is twice as high at same efficiency v 80% of FC cost is active area cost (bipolar plates and MEA) Better reliability v Very simple system v Very few moving parts Fast start-up v Full power achievable within a few seconds v No startup-time and -energy for air compressor required Independent from ambient air conditions v Operation at high altitudes possible v Operation at any ambient temperature and humidity possible v No degradation due to air pollution

FC system efficiency Belenos H 2/O 2 FC System efficiency compared to Hydrogenics Hy. FC system efficiency Belenos H 2/O 2 FC System efficiency compared to Hydrogenics Hy. PM HD 16, one of the most efficient systems on the market This performance can be reached due to a very high cell efficiency and extremely low parasitic losses (U/I curve measured with 6 cell stack with 200 cm 2 active area at 3. 5 barabs and 75 °C)

Hybrid - fuel cell/battery - EV • The fuel cell system doubles the range Hybrid - fuel cell/battery - EV • The fuel cell system doubles the range of the vehicle. • The fuel cell could also drive the vehicle when the HV battery is empty (with limited power). Mass Power Chemical Energy HV Battery 210 kg 60 k. W 31 k. Wh FC system 125 kg 10 k. W 55 k. Wh Electrical Energy 26 k. Wh (124 Wh/kg) 26 k. Wh (208 Wh/kg) Range (NEDC) Filling Time 200 km 10 h 200 km 2 min

Electric FIAT 500 with FC range extender Fuel Cell (FC) system information: Batteries • Electric FIAT 500 with FC range extender Fuel Cell (FC) system information: Batteries • Emissions • Electric power/peak =0 = 20/60 k. W • Battery capacity = 26 k. Wh • Battery weight = 210 kg • Hydrogen capacity = 1. 7 kg • Fuel Cell power = 10 k. W • Battery driving range = 200 km • H 2 driving range • Total Range Drive train, power electronics and Fuel Cell H 2 tank & security system control = 200 km = 400 km • Curb Weight = 1300 kg • Number of seats =4

Test drive : Top range record Date & Time: 20 Oct. , 2013 Distance: Test drive : Top range record Date & Time: 20 Oct. , 2013 Distance: 425 km Battery used: Test Driver: M. Vögeli Max Speed: 110 km/h 100% Hydrogen used: 97% Avg Speed: 73 km/h 120 Vehicle speed (km/h) 100 Speed [km/h] 80 Vehicle Speed 60 Battery SOC (%) Battery SOC Filling H 2 40 20 H 2 Fill level (%) 0 0 50 100 150 200 250 Kilometers driven [km] 300 350 400 450

FIAT 500 Statistics What Value Distance 40 120 km Average speed 49 km/h Drivetrain FIAT 500 Statistics What Value Distance 40 120 km Average speed 49 km/h Drivetrain consumption 194 Wh/km Vehicle ON time 815 h (1 year) Average power demand 9. 5 k. W Battery full cycles 205 Fuel cell ON time 400 h (49% of vehicle ON time) Fuel cell average power 6 k. W (including DC/DC) H 2 full filling 105 Number of FC starts 1200 Average efficiency H 2 tank to DC bus (including Stack, Bo. P, Purges, DC/DC) 41 %

PV-H 2 integration in micro-grids PV panels Belenos Integrated H 2 system for long PV-H 2 integration in micro-grids PV panels Belenos Integrated H 2 system for long term energy storage 3 k. W PEM fuel cell (1000 h/y operation) 10 k. W PEM electrolyser (<1000 h/y operation) 80 m 3 H 2 tank at 30 bar (2000 Nm 3) 40 m 3 O 2 tank at 30 bar (1000 Nm 3) Local grid O 2 storage H 2 O H 2 PEM Electrolyzer O 2 Fuel Cell H 2 storage Fuel Cell Boat Heat recovery option for co-generation! Compressor + car option 15 k. W electrolyser 350 -700 bar storage

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