| abstract |
The present invention relates to an ion exchangeable polyelectrolyte membrane, a water electrolysis apparatus, a fuel cell, and a fuel cell system including the same, and more particularly, to a fuel cell system including a polymer having a covalent crosslinked repeating structure (and inorganic acid and metal oxide) , A polymer electrolyte membrane having high thermal stability and excellent in electrochemical performance such as ion conductivity and ion exchange capacity even at a high temperature and improved mechanical properties such as chemical durability and tensile strength, and a water electrolysis apparatus using the electrolyte membrane, a fuel cell and the like To a fuel cell system. |