The results suggested that the treatment of hydrogen could remove the amorphous carbon and the polar groups on MWCNTs, resulting in the decrease of surface area and water absorbing capacity and having the ends of MWCNTs cut.

• 经过纯化的MWCNTs(PMWCNTs)的吸水率远小于活性炭，比Carbopack B稍大，比表面积和Carbopack B相近。