title: Introduction to the special issue on energy materials.
authors.affiliation: X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA.
authors.forename: Karena W
authors.initials: KW
authors.lastname: Chapman
authors.affiliation: X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA.
authors.forename: Simon
authors.initials: S
authors.lastname: Parsons
authors.affiliation: School of Chemistry, The University of Edinburgh, King's Buildings, West Mains Road, Edinburgh EH9 3JJ, Scotland.
authors.forename: Richard I
authors.initials: RI
authors.lastname: Walton
keywords: batteries; conductors; energy materials; framework materials; molecular storage; structure–property relationship; thermoelectrics