This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Solid oxide fuel cell protonic.svg Uploaded with en wp UW marker Diagram of proton conducting solid oxide fuel cell Own work based on org Solidoxidefuelcell svg Dervisoglu org Solidoxidefuelcell svg File Solid oxide fuel cell protonic mk svg language mk Other information Read the permission under the evidence web page