Patent ID: 11883779
Assignee: PLUG POWER INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  H  C  Y | IPC B  C  H

Claim 4:
5. The electrochemical device as claimed in claim 4 wherein the solid polymer electrolyte comprises at least one member selected from the group consisting of polyethylene, polyethylene-polystyrene block with copolymers, polystyrene, polysulfone, polyphenylene, polyphenylene oxide, poly(arylene), poly(arylene pieridinium), poly(diallypiperidinium hydroxide), poly(dimethylammonium hydroxide), sulfonated polystyrene, sulfonated polysulfone, sulfonated poly(ether ether ketone), sulfonated poly(benzophenone), sulfonated poly(arylene ether sulfone), sulfonated poly(arylene ether ketone), sulfonated poly(arylene thioether), sulfonated poly(ether amide), sulfonated polybenzimidazole, sulfonated poly(phthalazinone ether), perfluorosulfonic acid, poly(vinylidene fluoride), and combinations or mixtures thereof.