1. School of Chemistry and Chemical EngineeringHenan University of Technology Zhengzhou PR China
2. Key Laboratory of High Specific Energy Materials for Electrochemical Power Sources of Zhengzhou CityHenan University of Technology Zhengzhou PR China
3. School of Environmental EngineeringHenan University of Technology Zhengzhou PR China
4. School of Materials Science and EngineeringHenan University of Science and Technology Luoyang PR China