aerogel films
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Molecules ◽  
2021 ◽  
Vol 26 (22) ◽  
pp. 6867
Author(s):  
Zheng Liu ◽  
Qinsheng Wang ◽  
Linlin Hou ◽  
Yingjun Liu ◽  
Zheng Li

Graphene aerogels have attracted much attention as a promising material for various applications. The unusually high intrinsic thermal conductivity of individual graphene sheets makes an obvious contrast with the thermal insulating performance of assembled 3D graphene materials. We report the preparation of anisotropy 3D graphene aerogel films (GAFs) made from tightly packed graphene films using a thermal expansion method. GAFs with different thicknesses and an ultimate low density of 4.19 mg cm−3 were obtained. GAFs show high anisotropy on average cross-plane thermal conductivity (K⊥) and average in-plane thermal conductivity (K||). Additionally, uniaxially compressed GAFs performed a large elongation of 11.76% due to the Z-shape folding of graphene layers. Our results reveal the ultralight, ultraflexible, highly thermally conductive, anisotropy GAFs, as well as the fundamental evolution of macroscopic assembled graphene materials at elevated temperature.


Author(s):  
Shiya Qiao Experiment data analysis ◽  
Shuai Kang ◽  
Hao Zhang ◽  
Junrong Yu ◽  
Yan Wang ◽  
...  

Author(s):  
Wei Wang ◽  
Wenbin Gong ◽  
Yaqiong Wang ◽  
Guangyong Li ◽  
Weibang Lu ◽  
...  

Novel catalytic α-FeOOH/graphene aerogel films for high performance hydrovoltaic power generation devices have been developed with an exceptionally high power density of 47 mW m−2 upon the addition of H2O2 to the saline solution.


Carbon ◽  
2020 ◽  
Vol 161 ◽  
pp. 590-598 ◽  
Author(s):  
Xiujie Ji ◽  
Hongqiang Wang ◽  
Tianze Chen ◽  
Ting Zhang ◽  
Junjun Chu ◽  
...  
Keyword(s):  

2020 ◽  
Vol 44 (3) ◽  
pp. 1147-1156 ◽  
Author(s):  
Bo Wang ◽  
Xiaoyu Wu ◽  
Xiaoyu Zhang ◽  
GuiGui Pang ◽  
Songmei Li

Honeycomb-like Mo2C@nitrogen-doped carbon nanosheet/graphene aerogel films were synthesized successfully by solid-state reaction between (NH4)6Mo7O24 and regenerated chitin/graphene oxide aerogel.


ACS Nano ◽  
2019 ◽  
Vol 14 (1) ◽  
pp. 688-697 ◽  
Author(s):  
Peiying Hu ◽  
Jing Lyu ◽  
Chen Fu ◽  
Wen-bin Gong ◽  
Jianhe Liao ◽  
...  

Author(s):  
Xiang-Yu Sun ◽  
Chuan-Gui Wu ◽  
Wen-Bo Luo ◽  
Yao Shuai ◽  
Wang-Li Zhang

2019 ◽  
Vol 2 (7) ◽  
pp. 4169-4179 ◽  
Author(s):  
Tyler Or ◽  
Sokunthearath Saem ◽  
Aurore Esteve ◽  
Daniel A. Osorio ◽  
Kevin J. De France ◽  
...  

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