Ultra-stable Pt5La intermetallic compound towards highly efficient oxygen reduction reaction (IMAGE) Tsinghua University Press Caption Platinum-lanthanum nanoparticles acting as electrocatalysts to speed up the chemical reaction in a hydrogen fuel cell to produce electricity and water Credit Nano Research, Tsinghua University Press Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper 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.