membrane (IMAGE) Penn State Caption Arges has two U.S. patent applications pending on components used in this research: One on high-temperature PEMs, and the other on the electrochemical hydrogen pump using the high-temperature PEMs and phosphonic acid ionomer electrode binder. Credit Kelby Hochreither, Penn State Usage Restrictions non commercial use only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.