Synthesis of Graphene/CNT/MnOv Composites.Graphene/CNT, graphene/MnOv, CNT/MnOv, and graphene/CNT/MnOv composite materials were prepared bydispersing the desired amounts of graphene, CNT, and MnOvin acetone. Graphene powder [N002-PDR, Angstron MaterialsInc. (AMI)] with less than 3-graphene layers, x−y dimensionsof up to 10 × 10 μm2, and average SSA of 400−800 m2/g wasused in this study. The solution was placed in a sealed glassbottle and sonicated for 30 min to obtain a uniform dispersion.Subsequently, 10 mL of ethylene glycol was added as areducing agent, and the resulting mixture was sonicated foranother 30 min. The mixture was then loaded into a Teflonlined autoclave and heated at 150 °C for 2 h. The resultingcomposite material was washed with DI water and driedovernight at 60 °C.
Synthesis of Graphene/CNT/MnOv Composites.<br>Graphene/CNT, graphene/MnOv, CNT/MnOv, and graphene/CNT/MnOv composite materials were prepared by<br>dispersing the desired amounts of graphene, CNT, and MnOv<br>in acetone. Graphene powder [N002-PDR, Angstron Materials<br>Inc. (AMI)] with less than 3-graphene layers, x−y dimensions<br>of up to 10 × 10 μm2<br>, and average SSA of 400−800 m2<br>/g was<br>used in this study. The solution was placed in a sealed glass<br>bottle and sonicated for 30 min to obtain a uniform dispersion.<br>Subsequently, 10 mL of ethylene glycol was added as a<br>reducing agent, and the resulting mixture was sonicated for<br>another 30 min. The mixture was then loaded into a Teflonlined autoclave and heated at 150 °C for 2 h. The resulting<br>composite material was washed with DI water and dried<br>overnight at 60 °C. ...
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