Section 485-01: Catalyst | ![](/icons/ecblank.gif) |
| 485-01-01 | | catalyst | ![](/icons/ecblank.gif) |
| 485-01-02 | | electrocatalyst | ![](/icons/ecblank.gif) |
| 485-01-03 | | catalyst loading | ![](/icons/ecblank.gif) |
| 485-01-04 | | catalyst poisoning | ![](/icons/ecblank.gif) |
| 485-01-05 | | catalyst sintering | ![](/icons/ecblank.gif) |
| 485-01-06 | | electrocatalyst support | ![](/icons/ecblank.gif) |
Section 485-02: Electrode | ![](/icons/ecblank.gif) |
| 485-02-01 | | electrode, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-02-02 | | gas diffusion electrode | ![](/icons/ecblank.gif) |
| 485-02-03 | | ribbed electrode | ![](/icons/ecblank.gif) |
| 485-02-04 | | anode, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-02-05 | | cathode, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-02-06 | | catalyst layer | ![](/icons/ecblank.gif) |
| 485-02-07 | | three-phase boundary | ![](/icons/ecblank.gif) |
| 485-02-08 | | active area | ![](/icons/ecblank.gif) |
| 485-02-09 | | electrochemical surface area | ![](/icons/ecblank.gif) |
| 485-02-10 | | specific surface area | ![](/icons/ecblank.gif) |
| 485-02-11 | | specific activity | ![](/icons/ecblank.gif) |
| 485-02-12 | | roughness factor | ![](/icons/ecblank.gif) |
| 485-02-13 | | porosity, <of an electrode> | ![](/icons/ecblank.gif) |
Section 485-03: Electrolyte | ![](/icons/ecblank.gif) |
| 485-03-01 | | electrolyte, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-03-02 | | filling level | ![](/icons/ecblank.gif) |
| 485-03-03 | | electrolyte leakage | ![](/icons/ecblank.gif) |
| 485-03-04 | | electrolyte loss | ![](/icons/ecblank.gif) |
| 485-03-05 | | electrolyte matrix | ![](/icons/ecblank.gif) |
| 485-03-06 | | electrolyte migration | ![](/icons/ecblank.gif) |
| 485-03-07 | | electrolyte reservoir | ![](/icons/ecblank.gif) |
Section 485-04: Membrane electrode assembly | ![](/icons/ecblank.gif) |
| 485-04-01 | | membrane electrode assembly | ![](/icons/ecblank.gif) |
| 485-04-02 | | membrane electrode assembly area | ![](/icons/ecblank.gif) |
| 485-04-03 | | catalyst-coated membrane | ![](/icons/ecblank.gif) |
| 485-04-04 | | catalyst-coated substrate | ![](/icons/ecblank.gif) |
| 485-04-05 | | gas diffusion layer | ![](/icons/ecblank.gif) |
Section 485-05: Cell | ![](/icons/ecblank.gif) |
| 485-05-01 | | planar cell | ![](/icons/ecblank.gif) |
| 485-05-02 | | single cell | ![](/icons/ecblank.gif) |
| 485-05-03 | | tubular cell | ![](/icons/ecblank.gif) |
| 485-05-04 | | cell area | ![](/icons/ecblank.gif) |
Section 485-06: Stack | ![](/icons/ecblank.gif) |
| 485-06-01 | | fuel cell stack | ![](/icons/ecblank.gif) |
| 485-06-02 | | short stack | ![](/icons/ecblank.gif) |
| 485-06-03 | | substack | ![](/icons/ecblank.gif) |
| 485-06-04 | | bipolar plate | ![](/icons/ecblank.gif) |
| 485-06-05 | | interconnector | ![](/icons/ecblank.gif) |
| 485-06-06 | | end plate | ![](/icons/ecblank.gif) |
| 485-06-07 | | current collector | ![](/icons/ecblank.gif) |
| 485-06-08 | | stack terminal | ![](/icons/ecblank.gif) |
| 485-06-09 | | series connection, <in stacks> | ![](/icons/ecblank.gif) |
| 485-06-10 | | gas seal, <in stacks> | ![](/icons/ecblank.gif) |
| 485-06-11 | | wet seal | ![](/icons/ecblank.gif) |
| 485-06-12 | | repeat part | ![](/icons/ecblank.gif) |
| 485-06-13 | | non-repeat part | ![](/icons/ecblank.gif) |
| 485-06-14 | | axial load | ![](/icons/ecblank.gif) |
| 485-06-15 | | manifold | ![](/icons/ecblank.gif) |
| 485-06-16 | | stacking, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-06-17 | | co-flow | ![](/icons/ecblank.gif) |
| 485-06-18 | | counter flow | ![](/icons/ecblank.gif) |
| 485-06-19 | | cross flow | ![](/icons/ecblank.gif) |
| 485-06-20 | | dead-end flow | ![](/icons/ecblank.gif) |
| 485-06-21 | | land, <in a flow field> | ![](/icons/ecblank.gif) |
| 485-06-22 | | fuel utilization | ![](/icons/ecblank.gif) |
| 485-06-23 | | oxidant utilization | ![](/icons/ecblank.gif) |
| 485-06-24 | | gas leakage | ![](/icons/ecblank.gif) |
| 485-06-25 | | crossover | ![](/icons/ecblank.gif) |
Section 485-07: Fuel processing | ![](/icons/ecblank.gif) |
| 485-07-01 | | raw fuel | ![](/icons/ecblank.gif) |
| 485-07-02 | | desulfurizer | ![](/icons/ecblank.gif) |
| 485-07-03 | | reformer | ![](/icons/ecblank.gif) |
| 485-07-04 | | catalytic combustion type reformer | ![](/icons/ecblank.gif) |
| 485-07-05 | | direct fired type reformer | ![](/icons/ecblank.gif) |
| 485-07-06 | | reforming | ![](/icons/ecblank.gif) |
| 485-07-07 | | external reforming | ![](/icons/ecblank.gif) |
| 485-07-08 | | internal reforming | ![](/icons/ecblank.gif) |
| 485-07-09 | | partial oxidation reforming | ![](/icons/ecblank.gif) |
| 485-07-10 | | steam reforming | ![](/icons/ecblank.gif) |
| 485-07-11 | | shift converter | ![](/icons/ecblank.gif) |
| 485-07-12 | | gas clean-up | ![](/icons/ecblank.gif) |
| 485-07-13 | | reformate gas | ![](/icons/ecblank.gif) |
Section 485-08: Fuel cell | ![](/icons/ecblank.gif) |
| 485-08-01 | | fuel cell, <fuel cell technologies> | ![](/icons/ecblank.gif) |
| 485-08-02 | | air-breathing fuel cell | ![](/icons/ecblank.gif) |
| 485-08-03 | | alkaline fuel cell | ![](/icons/ecblank.gif) |
| 485-08-04 | | direct fuel cell | ![](/icons/ecblank.gif) |
| 485-08-05 | | direct methanol fuel cell | ![](/icons/ecblank.gif) |
| 485-08-06 | | molten carbonate fuel cell | ![](/icons/ecblank.gif) |
| 485-08-07 | | phosphoric acid fuel cell | ![](/icons/ecblank.gif) |
| 485-08-08 | | polymer electrolyte fuel cell | ![](/icons/ecblank.gif) |
| 485-08-09 | | regenerative fuel cell | ![](/icons/ecblank.gif) |
| 485-08-10 | | solid oxide fuel cell | ![](/icons/ecblank.gif) |
Section 485-09: Fuel cell power system | ![](/icons/ecblank.gif) |
| 485-09-01 | | fuel cell power system | ![](/icons/ecblank.gif) |
| 485-09-02 | | availability factor | ![](/icons/ecblank.gif) |
| 485-09-03 | | fuel cell module | ![](/icons/ecblank.gif) |
| 485-09-04 | | balance of plant | ![](/icons/ecblank.gif) |
| 485-09-05 | | humidifier | ![](/icons/ecblank.gif) |
| 485-09-06 | | humidification | ![](/icons/ecblank.gif) |
| 485-09-07 | | air bleed | ![](/icons/ecblank.gif) |
| 485-09-08 | | parasitic load | ![](/icons/ecblank.gif) |
| 485-09-09 | | fuelling coupler | ![](/icons/ecblank.gif) |
| 485-09-10 | | gas purge | ![](/icons/ecblank.gif) |
| 485-09-11 | | reactant recirculation | ![](/icons/ecblank.gif) |
| 485-09-12 | | interface point | ![](/icons/ecblank.gif) |
| 485-09-13 | | waste water | ![](/icons/ecblank.gif) |
| 485-09-14 | | water separator | ![](/icons/ecblank.gif) |
| 485-09-15 | | safeguarding, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-09-16 | | forced ventilation, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-09-17 | | natural ventilation | ![](/icons/ecblank.gif) |
| 485-09-18 | | fuel cell/battery hybrid system | ![](/icons/ecblank.gif) |
| 485-09-19 | | fuel cell/gas turbine system | ![](/icons/ecblank.gif) |
| 485-09-20 | | fuel cell cogeneration system | ![](/icons/ecblank.gif) |
| 485-09-21 | | micro fuel cell power system | ![](/icons/ecblank.gif) |
| 485-09-22 | | micro fuel cell power unit | ![](/icons/ecblank.gif) |
| 485-09-23 | | portable fuel cell power system | ![](/icons/ecblank.gif) |
| 485-09-24 | | stationary fuel cell power system | ![](/icons/ecblank.gif) |
| 485-09-25 | | fuel cell vehicle | ![](/icons/ecblank.gif) |
Section 485-10: Efficiency | ![](/icons/ecblank.gif) |
| 485-10-01 | | efficiency | ![](/icons/ecblank.gif) |
| 485-10-02 | | electric efficiency | ![](/icons/ecblank.gif) |
| 485-10-03 | | exergetic efficiency | ![](/icons/ecblank.gif) |
| 485-10-04 | | heat recovery efficiency | ![](/icons/ecblank.gif) |
| 485-10-05 | | overall energy efficiency | ![](/icons/ecblank.gif) |
| 485-10-06 | | overall exergy efficiency | ![](/icons/ecblank.gif) |
Section 485-11: Operation | ![](/icons/ecblank.gif) |
| 485-11-01 | | constant current operation | ![](/icons/ecblank.gif) |
| 485-11-02 | | constant power operation | ![](/icons/ecblank.gif) |
| 485-11-03 | | constant voltage operation | ![](/icons/ecblank.gif) |
| 485-11-04 | | full load operation | ![](/icons/ecblank.gif) |
| 485-11-05 | | grid-connected operation | ![](/icons/ecblank.gif) |
| 485-11-06 | | grid-independent operation | ![](/icons/ecblank.gif) |
| 485-11-07 | | load-following operation | ![](/icons/ecblank.gif) |
| 485-11-08 | | conditioning, <related to cells and stacks> | ![](/icons/ecblank.gif) |
Section 485-12: Electric current | ![](/icons/ecblank.gif) |
| 485-12-01 | | current density, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-12-02 | | rated current, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-12-03 | | leakage current | ![](/icons/ecblank.gif) |
| 485-12-04 | | faradaic current | ![](/icons/ecblank.gif) |
Section 485-13: Voltage | ![](/icons/ecblank.gif) |
| 485-13-01 | | minimum voltage, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-13-02 | | open-circuit voltage, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-13-03 | | output voltage | ![](/icons/ecblank.gif) |
Section 485-14: Power | ![](/icons/ecblank.gif) |
| 485-14-01 | | gross power | ![](/icons/ecblank.gif) |
| 485-14-02 | | minimum power, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-14-03 | | net electric power | ![](/icons/ecblank.gif) |
| 485-14-04 | | rated power, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-14-05 | | specific power, <in fuel cells> | ![](/icons/ecblank.gif) |
Section 485-15: Polarization | ![](/icons/ecblank.gif) |
| 485-15-01 | | polarization, <of a fuel cell> | ![](/icons/ecblank.gif) |
| 485-15-02 | | activation polarization, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-15-03 | | ohmic polarization, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-15-04 | | internal resistance | ![](/icons/ecblank.gif) |
| 485-15-05 | | concentration polarization, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-15-06 | | polarization curve, <in fuel cells> | ![](/icons/ecblank.gif) |
Section 485-16: Life | ![](/icons/ecblank.gif) |
| 485-16-01 | | reformer catalyst life | ![](/icons/ecblank.gif) |
| 485-16-02 | | cell life | ![](/icons/ecblank.gif) |
| 485-16-03 | | degradation rate | ![](/icons/ecblank.gif) |
Section 485-17: Pressure | ![](/icons/ecblank.gif) |
| 485-17-01 | | differential cell pressure | ![](/icons/ecblank.gif) |
| 485-17-02 | | maximum allowable differential working pressure | ![](/icons/ecblank.gif) |
| 485-17-03 | | maximum allowable working pressure | ![](/icons/ecblank.gif) |
| 485-17-04 | | maximum operating pressure | ![](/icons/ecblank.gif) |
Section 485-18: Start | ![](/icons/ecblank.gif) |
| 485-18-01 | | black start, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-18-02 | | cold start, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-18-03 | | hot start, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-18-04 | | warm start, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-18-05 | | start-up energy, <in fuel cells> | ![](/icons/ecblank.gif) |
Section 485-19: Shutdown | ![](/icons/ecblank.gif) |
| 485-19-01 | | shutdown, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-19-02 | | emergency shutdown, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-19-03 | | scheduled shutdown, <in fuel cells> | ![](/icons/ecblank.gif) |
Section 485-20: Time | ![](/icons/ecblank.gif) |
| 485-20-01 | | generating time | ![](/icons/ecblank.gif) |
| 485-20-02 | | hot time | ![](/icons/ecblank.gif) |
| 485-20-03 | | power response time | ![](/icons/ecblank.gif) |
| 485-20-04 | | shutdown time | ![](/icons/ecblank.gif) |
| 485-20-05 | | start-up time, <for fuel cell power systems that do not require external energy to maintain a storage state> | ![](/icons/ecblank.gif) |
| 485-20-06 | | start-up time, <for fuel cell power systems that require external power to maintain a storage state> | ![](/icons/ecblank.gif) |
Section 485-21: State | ![](/icons/ecblank.gif) |
| 485-21-01 | | cold state | ![](/icons/ecblank.gif) |
| 485-21-02 | | operational state | ![](/icons/ecblank.gif) |
| 485-21-03 | | passive state | ![](/icons/ecblank.gif) |
| 485-21-04 | | pre-generation state | ![](/icons/ecblank.gif) |
| 485-21-05 | | steady state, <in fuel cells> | ![](/icons/ecblank.gif) |
| 485-21-06 | | storage state | ![](/icons/ecblank.gif) |
Section 485-22: Test | ![](/icons/ecblank.gif) |
| 485-22-01 | | acceptance test | ![](/icons/ecblank.gif) |
| 485-22-02 | | freeze-thaw test | ![](/icons/ecblank.gif) |
| 485-22-03 | | process and control test | ![](/icons/ecblank.gif) |
| 485-22-04 | | routine test | ![](/icons/ecblank.gif) |
| 485-22-05 | | single cell test | ![](/icons/ecblank.gif) |
| 485-22-06 | | stack test | ![](/icons/ecblank.gif) |
| 485-22-07 | | type test | ![](/icons/ecblank.gif) |
| 485-22-08 | | standard conditions, pl | ![](/icons/ecblank.gif) |
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