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BS EN IEC 62282-8-101:2020

BS EN IEC 62282-8-101:2020

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Fuel cell technologies – Energy storage systems using fuel cell modules in reverse mode. Test procedures for the performance of solid oxide single cells and stacks, including reversible operation

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BSI 2020 86
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IEC 62282-8-101:2020 addresses solid oxide cell (SOC) and stack assembly unit(s). It provides for testing systems, instruments and measuring methods to test the performance of SOC cell/stack assembly units for energy storage purposes. It assesses performance in fuel cell mode, in electrolysis mode and/or in reversible operation. This document is intended for data exchanges in commercial transactions between cell/stack manufacturers and system developers or for acquiring data on a cell or stack in order to estimate the performance of a system based on it. Users of this document may selectively execute test items suitable for their purposes from those described in this document. Users can also substitute selected test methods of this document with equivalent test methods of IEC TS 62282-7-2 for SOC operation in fuel cell mode only.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
7 English
CONTENTS
12 FOREWORD
14 INTRODUCTION
15 1 Scope
2 Normative references
16 3 Terms, definitions, abbreviated terms and symbols
3.1 Terms and definitions
22 3.2 Abbreviated terms and symbols
3.2.1 Abbreviated terms
3.2.2 Symbols
23 Tables
Table 1 ā€“ Symbols
26 3.3 Flow rates
4 General safety conditions
27 5 Test environment
5.1 General
28 5.2 Cell
5.3 Stack
Figures
Figure 1 ā€“ Exploded schematic representation of a planar-typesingle cell test object consisting of a SOC in a cell housing
29 5.4 Experimental set-up
5.4.1 General
Figure 2 ā€“ Schematic representation of a planar-geometry SOC stack test object with N RU including supporting structure (top and bottom plates)
Figure 3 ā€“ Schematic representation of a test environmentfor a SOC cell/stack assembly unit
30 5.4.2 Electrode gas control equipment
5.4.3 Thermal management equipment
5.4.4 Electric power supply/load control equipment
5.4.5 Measurement and data acquisition equipment
5.4.6 Safety equipment
5.4.7 Compression force control equipment
5.4.8 Pressure control equipment
31 5.5 Interface between test object and experimental set-up
Figure 4 ā€“ Test environment with interfaces between SOC cell and experimental set-up
32 5.6 Parameter control and measurement
Figure 5 ā€“ Test environment with interfaces between SOC stack and experimental setā€‘up
33 5.7 Measurement uncertainty of TIPs and TOPs
5.8 Mounting of the test object into the experimental set-up
34 5.9 Stability criteria
6 Measurement instruments and methods
6.1 General
6.2 Instrument uncertainty
Table 2 ā€“ Stability criteria for TIPs and TOPs as a reference
35 6.3 Recommended measurement instruments and methods
6.3.1 Electrode inlet gas flow rate measurement
6.3.2 Electrode gas composition measurement
Table 3 ā€“ Instrument uncertainty for each quantity to be measured
36 6.3.3 Electrode gas temperature measurement
6.3.4 Electrode gas pressure measurement
6.3.5 Electrode exhaust gas flow rate measurement
37 6.3.6 Cell/stack assembly unit voltage measurement
6.3.7 Cell/stack assembly unit current measurement
6.3.8 Cell/stack assembly unit temperature measurement
6.3.9 Compression force measurement
6.3.10 Total impedance measurement
6.3.11 Ambient condition measurement
38 6.4 Test conditions and manufacturer recommendations
6.4.1 Start-up and shut-down conditions
6.4.2 Range of test conditions
6.4.3 Stabilization, initialization conditions and stable state
6.4.4 Dwell time, equilibration time, acquisition time
39 6.5 Data acquisition method
7 Test procedures and computation of results
7.1 General
7.2 Current-voltage characteristics test
7.2.1 Objective of this test
7.2.2 Test method
40 7.2.3 Data post-processing
7.3 Effective reactant utilization test
7.3.1 Objective of this test
7.3.2 Test method
41 7.3.3 Data post-processing
7.4 Durability test
7.4.1 Objective of this test
42 7.4.2 Test method
7.4.3 Data post-processing
7.5 Temperature sensitivity test
7.5.1 Objective of this test
43 7.5.2 Test method
7.5.3 Data post-processing
44 7.6 Separation of resistance components test via electrochemical impedance spectroscopy
7.6.1 Objective of this test
7.6.2 Test method
45 7.6.3 Data post-processing
7.7 Current cycling durability test
7.7.1 Objective of this test
46 7.7.2 Test method
7.7.3 Data post-processing
7.8 Thermal cycling test
7.8.1 Objective
7.8.2 Test method
47 7.8.3 Data post-processing
7.9 Pressurized test
7.9.1 Objective of this test
7.9.2 Test method
48 7.9.3 Data post-processing
8 Test report
8.1 General
8.2 Report items
8.3 Test unit data description
49 8.4 Test condition description
8.5 Test data description
8.6 Uncertainty evaluation
50 Annex A (normative)Detailed test procedures
A.1 Test objective
A.2 Test set-up
51 A.3 Current-voltage characteristics test (7.2)
A.3.1 Test input parameters (TIPs)
A.3.2 Test output parameters (TOPs)
Table A.1 ā€“ Test input parameters (TIPs) for current-voltage characteristics test
52 A.3.3 Derived quantities
A.3.4 Measurement of current-voltage characteristics
Table A.2 ā€“ Test output parameters (TOPs) for current-voltage characteristics test
Table A.3 ā€“ Derived quantities for current-voltage characteristics test
53 Figure A.1 ā€“ Qualitative representation of TIPs when carrying out a current-voltage characteristics test for combined (SOFC and SOEC) operation
Figure A.2 ā€“ Schematic representation of the current-voltage characteristics test procedure for two consecutive set points k and k + 1
54 A.4 Effective reactant utilization test (7.3)
A.4.1 Test input parameters (TIPs)
Figure A.3 ā€“ Schematic representation of a J-V curvein both electrolysis and fuel cell modes
55 Table A.4 ā€“ Test input parameters (TIPs) for negative electrode reactant utilization test
Table A.5 ā€“ Test input parameters (TIPs) for positive electrode reactant utilization test
56 A.4.2 Test output parameters (TOPs)
A.4.3 Derived quantities
Table A.6 ā€“ Test output parameters (TOPs) for effective reactant utilization test
57 A.4.4 Measurement of effective reactant utilization
Figure A.4 ā€“ Qualitative representation of TIPs when carrying outan effective reactant utilization test varying the negative electrodereactant flow rate (qV,neg,in), consisting of hydrogen and nitrogen
Table A.7 ā€“ Derived quantities for effective reactant utilization test
58 A.5 Durability test (7.4)
A.5.1 Test input parameters (TIPs)
A.5.2 Test output parameters (TOPs)
Table A.8 ā€“ Test input parameters (TIPs) for durability test
59 A.5.3 Derived quantities
A.5.4 Measurement of durability
Table A.9 ā€“ Test output parameters (TOPs) for durability test
Table A.10 ā€“ Derived quantities for constant load durability test
60 A.6 Temperature sensitivity test (7.5)
A.6.1 Test input parameters (TIPs)
Figure A.5 ā€“ Qualitative representation of TIPswhen carrying outa durability test (in galvanostatic mode)
Table A.11 ā€“ Test input parameters (TIPs) for temperature sensitivity test
61 A.6.2 Test output parameters (TOPs)
A.6.3 Derived quantities
Table A.12 ā€“ Test output parameters (TOPs) for temperature sensitivity test
Table A.13 ā€“ Derived quantities for temperature sensitivity test
62 A.6.4 Measurement of temperature sensitivity
Figure A.6 ā€“ Qualitative representation of TIPswhen carrying out a temperature sensitivity test
63 A.7 Separation of resistance components test via electrochemical impedance spectroscopy (7.6)
A.7.1 Test input parameters (TIPs)
A.7.2 Test output parameters (TOPs)
Table A.14 ā€“ Test input parameters (TIPs) for EIS test
64 A.7.3 Derived quantities
A.7.4 Measurement of resistance components via EIS
A.7.5 Measuring range of frequencies
Table A.15 ā€“ Test output parameters (TOPs) for EIS test
Table A.16 ā€“ Derived quantities for EIS test
65 A.8 Current cycling durability test (7.7)
A.8.1 Test input parameters (TIPs)
A.8.2 Test output parameters (TOPs)
Table A.17 ā€“ Test input parameters (TIPs) for current cycling durability test within a single operating mode (fuel cell or electrolysis)
Table A.18 ā€“ Test input parameters (TIPs) for current cycling durability test covering both operating modes (fuel cell and electrolysis)
66 A.8.3 Derived quantities
A.8.4 Measurement of current cycling durability
Table A.19 ā€“ Test output parameters (TOPs) for current cycling durability test
Table A.20 ā€“ Derived quantities for current cycling durability test
68 Figure A.7 ā€“ Qualitative representation of TIPswhen carrying out a current cycling durability test
69 A.9 Thermal cycling test (7.8)
A.9.1 Test input parameters (TIPs)
Figure A.8 ā€“ Current profile of a SOEC systemwith fast switch on/off at thermoneutral conditions
Figure A.9 ā€“ Current profile of a SOEC systemwith fast switch on/off at exothermal conditions
Figure A.10 ā€“ Current profile of a load-following SOEC systemand thermoneutral conditions
Figure A.11 ā€“ Current profile of a load-following SOEC systemand exothermal conditions
70 A.9.2 Test output parameters (TOPs)
A.9.3 Derived quantities
Table A.21 ā€“ Test input parameters (TIPs) for thermal cycling
Table A.22 ā€“ Test output parameters (TOPs) for thermal cycling
71 A.9.4 Measurement of thermal cycling
Table A.23 ā€“ Derived quantities for thermal cycling test
72 Figure A.12 ā€“ General evolution of TIPs during test: continuousthermal cycling above 600 Ā°C (in this case with zero electric current)
73 A.10 Pressurized test (7.9)
A.10.1 Test input parameters (TIPs)
Figure A.13 ā€“ General evolution of TIPs during test: thermal cycling below 600 Ā°C with gas and current changes (coupling with operation at constant current for instance)
74 A.10.2 Test output parameters (TOPs)
A.10.3 Derived quantities
A.10.4 Measurement of pressurized test
Table A.24 ā€“ Test input parameters (TIPs) for pressurized testing
Table A.25 ā€“ Test output parameters (TOPs) for pressurized testing
Table A.26 ā€“ Derived quantities for pressurized test
76 Annex B (informative)Guidelines for electrochemical impedance spectroscopy (EIS)
B.1 General principles
77 B.2 EIS test equipment and set-up
Figure B.1 ā€“ Input/output signals during electrochemical impedance spectroscopy (EIS) of a solid oxide fuel/electrolysis cell
78 B.3 Representation of results
Figure B.2 ā€“ Test set-up for electrochemical impedance spectroscopyof a planar solid oxide fuel cell/electrolysis stack with 5 RUs
79 Figure B.3 ā€“ Bode plot representing the modulus of impedanceand phase angle against excitation frequency
80 B.4 Analysis and simulation of data
Figure B.4 ā€“ Nyquist plot, representing conjugateimaginary part against real part of impedance
81 Annex C (normative)Formulae for calculation of utilization values
C.1 Generic formulae
C.2 Degradation
Table C.1 ā€“ Generic formulae
82 C.3 Area-specific resistance (ASR)
C.4 Temperatures
83 Bibliography

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BS EN IEC 62282-8-101:2020
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