[1] Helmholtz Inst Ulm Electrochem Energy Storage, D-89081 Ulm, Germany
[2] Karlsruhe Inst Technol, Inst Nanotechnol, D-76021 Karlsruhe, Germany
[3] Karlsruhe Inst Technol, Inst Appl Mat, D-76021 Karlsruhe, Germany
[4] Tech Univ Darmstadt, Mat Sci, D-64287 Darmstadt, Germany
[5] Southern Fed Univ, Int Res Ctr Smart Mat, Rostov Na Donu 344090, Russia
[6] Tallinn Univ Technol, Technomedicum, EE-19086 Tallinn, Estonia
[7] Tech Univ Darmstadt, Inst Mat Sci, Joint Res Lab Nanomat, D-64287 Darmstadt, Germany