Hi Ke,
You are almost on the right track to model a Solid Oxide Fuel Cell. The SOFC models are not directly included as pre-built blocks within the standard Simulink libraries. The Fuel Cell (https://in.mathworks.com/help/sps/ref/fuelcell.html) block in Simscape technology focuses mainly on the electrical behaviour of a fuel cell system. With proper parameterization, it can be used as a low-fidelity SOFC.
The Fuel Cell Stack (https://in.mathworks.com/help/sps/powersys/ref/fuelcellstack.html) block in Specialized Power Systems technology has SOFC parameterizations for 3 kW - 100 Vdc and 25 kW - 630 Vdc. If you wish to not use these preset models, you may choose 'User-Defined' option in the preset model tab under parameters - https://in.mathworks.com/help/sps/powersys/ref/fuelcellstack.html#br599s1-6
This is a link to an example which shows a model of SOFC - https://in.mathworks.com/help/sps/ug/solid-oxide-fuel-cell-connected-to-three-phase-electrical-power-system.html
You may also find these links helpful-
- https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6576016
- https://in.mathworks.com/matlabcentral/fileexchange/68418-solid-oxide-fuel-cell-sofc-system-thermolib?s_tid=srchtitle
Hope it helps!
