1.Polybenzimidazoles/phosphoric acid solid polymer electrolytes - Mechanical and electrical properties
Author: Litt, M | Ameri, R | Wang, Y | Savinell, R | Wainwright J Solid State Ionics V; Proceedings of the Symposium, Boston, MA; UNITED STATES; 28 Nov.-3 Dec. 1998. pp. 313-323. 1999
2.Polymer Electrolyte Fuel Cells Based on Phosphoric Acid-Impregnated Poly(2,5-benzimidazole) Membranes
J. Electrochem. Soc., Volume 151, Issue 2, pp. A304-A310 (2004)
Author:Juan Antonio Asensio,a,b Salvador Borrós,b and Pedro Gómez-Romeroa