This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. The authors would like to thank Zhiping Xiao, Wei Tang and Xiaoxiao Yang from Hunan Shinzoom Technology Co., Ltd. for the help of the sample's measurement including particle size, specific surface area, electrical conductivity, and so on. The authors also like to thank Elsevier (webshop.elsevier.com) for the English language review.
