1. Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical ChemistryJilin University Changchun 130023 P. R. China
2. Institute of Functional Material Chemistry, National & Local United Engineering Laboratory for Power Batteries, Department of ChemistryNortheast Normal University Changchun 130024 P. R. China
3. School of Chemistry & Environmental EngineeringChangchun University of Science and Technology Changchun 130012 P. R. China