Assertion: fuel cell's electrode | /r/HasProperty | separated by porous matrix
Facets:
Source sentences:
text: The two electrodes are separated by a porous matrix saturated with an aqueous alkaline solution, such as potassium hydroxide (KOH).
text: Alkaline Alkaline fuel cells consist of two electrodes separated by a porous matrix saturated with an aqueous alkaline solution, often potassium hydroxide, which serves as the electrolyte.