1. Department of Materials and Environmental Chemistry; Stockholm University; Svante Arrhenius väg 16C Stockholm SE 10691 Sweden
2. Department of Chemistry; Faculty of Science; Alexandria University; P.O. Box 426, Ibrahimia Alexandria 21321 Egypt
3. College of Chemistry and Molecular Engineering; Peking University; Yiheyuan Road 5 Beijing 100871 China
4. Ångström Advanced Battery Centre; Department of Chemistry-Ångström Laboratory; Uppsala University; Box 538 Uppsala SE-75121 Sweden