Humidity regulator for an electrochemical system and an electrochemical system comprising the same

Abstract

According to an example aspect of the present disclosure, there is provided a humidity regulator (144) for an electrochemical system (100). The humidity regulator has a composite membrane (3), which features a layered structure that has attached together a porous base layer (1), and a functional layer (2). The functional layer contains cellulose, on at least one surface of the porous base layer (1).