The first entry of the affiliation in the above article is incorrect. The correct representation of the first part of the affiliation is as follows:
Prof. Q.-H. Yang, Prof. Y. G. Yang, C. M. Chen, Y. F. Wen, Prof. M. Z. Wang
Key Laboratory of Carbon Materials Institute of Coal Chemistry Chinese Academy of Sciences Taiyuan 030001 (P. R. China) E-mail: firstname.lastname@example.org; email@example.com
The publisher apologizes for any inconvenience caused.