TY  - JOUR
AU  - Koponen, Joonas
AU  - Ruuskanen, Vesa
AU  - Hehemann, Michael
AU  - Rauls, Edward
AU  - Kosonen, Antti
AU  - Ahola, Jero
AU  - Stolten, Detlef
TI  - Effect of Power Quality on the Design of PEM Water Electrolysis Systems
JO  - Applied energy
VL  - 279
SN  - 0306-2619
CY  - Amsterdam [u.a.]
PB  - Elsevier Science
M1  - FZJ-2020-01979
SP  - 115791 -
PY  - 2020
AB  - Water electrolyzer technologies may play a key role in the decarbonization of the fossil-fueled world economy. Electrolytic hydrogen production could bridge emission-free power generation and various energy end-use sectors to drive the energy system towards a net zero-emission level. In order to reduce the economic cost of the required energy transition, both the overall system efficiency in converting electrical energy into the chemical energy carried by hydrogen, and the material used to build electrolytic cell stacks, should be optimal. The effect of power quality on the specific energy consumption of proton exchange membrane (PEM) water electrolyzers is investigated with a semi-empirical cell model. An experimentally-defined polarization curve is applied to analyze cell-specific energy consumption as a function of time in the case of sinusoidal current ripples and ripples excited by an industrial 12-pulse thyristor bridge. The results show that the effective electrolyzer cell area should be up to five times as high as an ideal DC power supply when powered by the 12-pulse thyristor rectifier supply to match the specific energy consumption between the two power supply configurations. Therefore, the improvement of power quality is crucial for industrial PEM water electrolyzer systems. The presented approach is applicable to simulate the effect of power quality for different proton exchange membrane electolyzers.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000594123200009
DO  - DOI:10.1016/j.apenergy.2020.115791
UR  - https://juser.fz-juelich.de/record/875361
ER  -