1. Institute of Power Source and Ecomaterials ScienceHebei University of Technology Tianjin 300130 China
2. Automobile & Rail Transportation SchoolTianjin Sino-German University of Applied Sciences Tianjin 300350 China
3. Key Laboratory of Special Functional Materials for Ecological Environment and InformationHebei University of Technology Tianjin 300130 China
4. Key Laboratory for New Type of Functional Materials in Hebei ProvinceHebei University of Technology Tianjin 300130 China