SOFC stack modules for decentralized power generation

Transcription

1 SOFC stack modules for decentralized power generation

2 Contents 1. staxera GmbH 2. Integrated Stack Module (ISM) 3. Performance 4. 3 kw system demonstrator 5. Summary 2 staxera company presentation Jeremy Lawrence

3 staxera GmbH 3 staxera company presentation Jeremy Lawrence

4 World s leading SOFC stack supplier Defined product Clear interfaces Performance guarantee hours and 20 thermal cycles Continuous improvement Roadmap to higher power SOFC stacks are ready for system development 4 staxera company presentation Jeremy Lawrence

5 Security of supply Activein morethan58 countries Automobile component supplier 1.6 billion turnoverin % investmentofturnoverin R&D More than 7000 employees SOFC stacks 100% owned by Webasto AG 5 staxera company presentation Jeremy Lawrence

6 Core technology - Mk200 stack 75% fuel utilization High efficiency Low pressure drop Low system parasitic losses Redox stability Electrolyte supported cells Mk200 stacks are the heart of each staxera ISM 6 staxera company presentation Jeremy Lawrence

7 Continuous improvement Clear roadmap to increased power 7 staxera company presentation Jeremy Lawrence

8 Industrial customers 1 kw microchp 3 kw system demonstrator 8 staxera company presentation Jeremy Lawrence

9 Research and development customers Biogas operation Propane system SOFC research 9 staxera company presentation Jeremy Lawrence

10 staxera R&D + production site Future expansion with an additional 2000m 2 factory 10 staxera company presentation Jeremy Lawrence

11 Manufacturing capacity today: future capacity with 2000m 2 hall: 500 ISMs per year ISMs per year 11 staxera company presentation Jeremy Lawrence

12 Testing Four 30-cell stack test stations and six ISM test stations 12 staxera company presentation Jeremy Lawrence

13 Organization Dr. Christian Wunderlich Chief Executive Officer Susanna Bastian Corporate Planning Susanne Kirst Accounting Jens Baade Björn Erik Mai Mario Heinrich Jeremy Lawrence Mario Heinrich Infrastructure Testing R&D (provisional) Business Development Production 1x technician 3x engineers 3x scientists 2x engineers 2x technicians 2x engineers 5x technicians Experienced & established management team 13 staxera company presentation Jeremy Lawrence

14 Key partners and suppliers 14 staxera company presentation Jeremy Lawrence

15 Products 15 staxera company presentation Jeremy Lawrence

16 Products and services Standardized ISMs (1.1 & 1.4 kw) Readyfordeliveryin 8 weeks Customized ISMs Tighter system integration On-site support Assistance with installation and testing Fastest path to a SOFC system 16 staxera company presentation Jeremy Lawrence

17 Systems available from EBZ 3 kw system demonstrator Available now Steam reforming, natural gas High efficiency Clear path to 20 kw systems staxera will develop3 kw and5 kw ISMs staxera and EBZ are your partners for SOFC systems 17 staxera company presentation Jeremy Lawrence

18 ISM and stack performance 18 staxera company presentation Jeremy Lawrence

19 ISM power 19 staxera company presentation Jeremy Lawrence

20 Mk200 stack endurance Degradation [%] Current Block 1 Block 2 Block 3 Block 4 Block 5 Block 6 Block 7 Block 8 Block 9 Block Block voltage [V] Current [A] Operating time [h] 20 staxera company presentation Jeremy Lawrence

21 Mk200 stack thermal cycling 600 TC 1 TC5 TC10 TC Stack power [W] Stack power Stack voltage Core temperature Current Temperature [ C] Current [A] Stack voltage [V] Operating time [h] 21 staxera company presentation Jeremy Lawrence

22 Mk200 stack no leakage after 150 cycles DP DP Spannung [V] Spannung [V] Beginn DP Ende DP Betriebsdauer [h] 3.1 Beginn DP Ende DP Betriebsdauer [h] Spannung [V] DP Spannung [V] DP Block 1 Block 2 Block 3 Block 4 Block 5 Block 6 Block 7 Block 8 Block 9 Block Beginn DP Ende DP Betriebsdauer [h] 3.1 Beginn DP Ende DP Betriebsdauer [h] 22 staxera company presentation Jeremy Lawrence

23 ISM start time 900 1,5 h Core temperature (MEA_1/2) Temperature Cathode Inlet Current Air flow rate Temperature [ C] preheater heat up time to full load temperature control with air flow Current [A] Air flow rate [Nl/ l/min] Heating time [h] 0 23 staxera company presentation Jeremy Lawrence

24 Thermal management Plane I [A] Plane A Air Air Cell group Plane Plane Plane Voltage [V] 24 staxera company presentation Jeremy Lawrence 0.8

25 Challenge of thermomechanics 53.7 MPa Single plane from stack measured temperature distribution FEA model free floating cell σ 1 principalstress free floating cell Temperature gradients can lead to cell fracture 25 staxera company presentation Jeremy Lawrence

26 3 kw system demonstrator 26 staxera company presentation Jeremy Lawrence

27 3 kw system demonstrator Cooperation with EBZ Steam reforming, natural gas High efficiency(target> 50% at20 kw) Stationary electricity generation(or CHP) Multiple ISMs in one system Modularity, quality, costs First step on the path to 20 kw sysems 27 staxera company presentation Jeremy Lawrence

28 Typical operating point Total stack power 1900 W el (two ISMs) U 40,4 V I 23,5 A S/C 2,7 Fuel utiliz. 74 % Air utiliz. 18 % U min ISM 1 3,20 V (Block 1) U min ISM 2 3,28 V (Block 1) Fuel -> Reformer 6,6 l/min Air flow 254 l/min Fuel -> Afterburner 0,5 l/min T Reformer 657 C T max stack 856 C T min stack 720 C T exhaust 124 C Very similar performance from both ISMs 28 staxera company presentation Jeremy Lawrence

29 Test summary > hours operation Stable performance 15 thermal cycles Robust and durable SOFC stacks Multiple ISMs in one system Each ISM can be stably controlled Further information available from 29 staxera company presentation Jeremy Lawrence

30 Product quality, manufacturing cost 30 staxera company presentation Jeremy Lawrence

31 Stack manufacturing High yield rate > 90% even with manual assembly processes 31 staxera company presentation Jeremy Lawrence

32 Cost challenge 32 staxera company presentation Jeremy Lawrence 500 /kw can be achieved

33 Summary staxera is a supplier of SOFC integrated stack modules Products are focused on industrial customers Demonstrated continuous improvement since market entry in 2006 Complete 3 kw systems are available from our partner EBZ Robustness and endurance are key performance differentiators Thermomechanics is the key design challenge for lightweight stacks hours endurance life and 150 cycles demonstrated 33 staxera company presentation Jeremy Lawrence

34 Thank you for your attention