Figure 3 (IMAGE) Institute for Basic Science Caption (a) Schematic diagram of the conical reverse truss origami design for the flexible t-PEMFC and (b) one element of the design. (c-e) Photographs of the flexible t-PEMFC: (c) 50%-folded, (d) 100%-folded, and (e) 45°-bent. (f-g) Polarization curve of flexible t-PEMFC according to (f) extent of folding and (g) bend angle. Credit Institute for Basic Science Usage Restrictions Attribution Required 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.