1. Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, School of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China
2. Evonik Specialty Chemicals Co., Ltd., Shanghai 201108, China
3. Evonik Operations GmbH, 63457 Hanau-Wolfgang, Germany
4. Evonik (SEA) Pte Ltd., Singapore 138567, Singapore
5. State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, China