IEC TS 62282-7-1:2025

IEC TS 62282-7-1 ®
Edition 3.0 2025-10
TECHNICAL
SPECIFICATION
Fuel cell technologies -
Part 7-1: Test methods - Single cell performance tests for polymer electrolyte
fuel cells (PEFC)
ICS 27.070  ISBN 978-2-8327-0646-6

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CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 11
2 Normative references . 11
3 Terms, definitions and symbols . 11
3.1 Terms and definitions. 11
3.2 Symbols . 16
4 General safety considerations . 18
5 Cell components . 18
5.1 General . 18
5.2 Membrane electrode assembly (MEA) . 19
5.3 Gasket . 19
5.4 Flow plate . 19
5.5 Current collector . 19
5.6 End plate (or clamping plate) . 19
5.7 Clamping hardware . 20
5.8 Temperature-control device . 20
6 Cell assembly . 20
6.1 Assembly procedure . 20
6.2 Cell orientation and fluid flow configuration . 20
6.3 Leak check . 21
7 Test station setup . 21
7.1 Minimum equipment requirements . 21
7.2 Schematic diagram . 21
7.3 Maximum variation in test station controls (inputs to test) . 22
8 Measuring instruments . 23
8.1 Instrument uncertainty . 23
8.2 Measuring instruments and measuring methods . 23
8.2.1 General . 23
8.2.2 Voltage . 23
8.2.3 Current . 23
8.2.4 Internal resistance (IR) . 23
8.2.5 Fuel and oxidant flow rates . 24
8.2.6 Fuel and oxidant temperature . 24
8.2.7 Cell temperature . 24
8.2.8 Fuel and oxidant pressures . 24
8.2.9 Fuel and oxidant humidity . 24
8.2.10 Ambient conditions . 25
9 Gas composition . 25
9.1 Fuel composition . 25
9.1.1 Hydrogen . 25
9.1.2 Hydrogen containing gas . 25
9.2 Oxidant composition . 25
10 Test preparation . 25
10.1 Standard test conditions . 25
10.2 Ambient conditions . 26
10.3 Data sampling rate . 26
10.4 Repeatability and reproducibility . 26
10.5 Number of test samples . 26
10.6 Leak check of gas circuit with inert or test gas . 26
10.7 Initial conditioning . 26
10.8 Stable state check . 27
10.9 Shutdown . 27
10.10 Reconditioning . 27
11 Diagnostic measurements. 27
11.1 General . 27
11.2 Polarization curve tests . 28
11.2.1 Objective . 28
11.2.2 Test methods . 28
11.2.3 Data post-processing . 29
11.3 Steady-state test . 30
11.3.1 Objective . 30
11.3.2 Test methods . 30
11.3.3 Data post-processing . 31
11.4 Hydrogen crossover test . 31
11.4.1 Objective . 31
11.4.2 Test method . 31
11.4.3 Data post-processing . 31
11.5 Short circuit measurement . 32
11.5.1 Objective . 32
11.5.2 Test method . 32
11.5.3 Data post-processing . 33
11.6 Internal resistance (IR) measurement . 33
11.6.1 Objective . 33
11.6.2 Test methods . 33
11.6.3 Data post-processing . 33
11.7 Electrochemically active surface area (ECSA) measurement. 35
11.7.1 Objective . 35
11.7.2 Test methods . 35
11.7.3 Data post-processing . 36
11.8 Electrochemical impedance spectroscopy (EIS) . 38
11.8.1 Objective . 38
11.8.2 Test method . 38
11.8.3 Data post-processing . 39
11.9 Oxygen reduction reaction (ORR) activity test . 39
11.9.1 Objective . 39
11.9.2 Test method . 40
11.9.3 Data post-processing . 40
11.10 Hydrogen gain test . 42
11.10.1 Objective . 42
11.10.2 Test method . 42
11.10.3 Data post-processing . 42
11.11 Oxygen gain test . 42
11.11.1 Objective . 42
11.11.2 Test method . 42
11.11.3 Data post-processing . 43
11.12 Gas stoichiometry effect tests . 43
11.12.1 Objective .
...