A finite-strain constitutive theory for electro-active polymer composites via homogenization

► Homogenization framework for electro-elastic composite materials at finite strains. ► Constitutive models for electro-active composites with periodic microstructure. ► For electrically isotropic, spherical particles, the extra stresses are of order volume fraction squared. ► For anisotropic or ellipsoidal particles, the extra stresses can be of order volume fraction.