[1] Univ Wollongong, Inst Superconduct & Elect Mat, Wollongong, NSW 2522, Australia
[2] Univ Wollongong, ARC Ctr Excellence Electromat Sci, Wollongong, NSW 252, Australia
[3] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Wollongong, NSW 2522, Australia
[4] Samsung SDI Co Ltd, Energy Lab, Yongin, Gyeongi Do, South Korea