C.A.C. Sequeira and D.M.F. Santos, Technical University of Lisbon, Portugal
Polymer electrolytes are electrolytic materials that offer many advantages in the area of large, high energy density batteries for electric propulsion and in fuel cells for electric vehicle or stationary applications. At the other end of the spectrum, polymer electrolytes are of interest for small, portable electronic devices where the battery represents a significant proportion of the device’s size and weight. This chapter focuses on relevant structural, physical and electrical properties of these materials and on the related sectors where there has been considerable industrial input.