1. School of Chemistry and Chemical Engineering Henan University of Technology Zhengzhou 450001 P. R. China
2. Key Laboratory of High Specific Energy Materials for Electrochemical Power Sources of Zhengzhou City Henan University of Technology Zhengzhou 450001 P. R. China
3. School of Environmental Engineering Henan University of Technology Zhengzhou 450001 P. R. China
4. Department of Civil and Architecture Engineering Zhongyuan University of Technology Zhengzhou 450007 P. R. China