Dawson-Type Polyoxomolybdate Anions (P2 Mo18 O62 6− ) Captured by Ionic Liquid on Graphene Oxide as High-Capacity Anode Material for Lithium-Ion Batteries

2017 ◽  
Vol 23 (36) ◽  
pp. 8729-8735 ◽  
Author(s):  
Jun Hu ◽  
Hongling Diao ◽  
Wenjing Luo ◽  
Yu-Fei Song
RSC Advances ◽  
2016 ◽  
Vol 6 (90) ◽  
pp. 87440-87445 ◽  
Author(s):  
Wei Wei ◽  
Aihua Tian ◽  
Fangfang Jia ◽  
Kefeng Wang ◽  
Peng Qu ◽  
...  

A facile green solution route using only GeO2 powder, graphene oxide and purified water has been developed to prepare a GeO2/graphene composite, in which the GeO2 particles are wrapped in graphene nanosheets.


Author(s):  
Guangfeng Shi ◽  
Jiale Zhou ◽  
Rong Zeng ◽  
Bing Na ◽  
Shufen Zou

Abstract Porous structures in anode materials are of importance to accommodate volume dilation of active matters. In the present case, a carbon nanoporous framework is hydrothermally synthesized from glucose in the presence of graphene oxide (GO), together with in situ active Fe3O4 nanoparticles within it. The composite anode material has outstanding electrochemical performance, including high specific capacity, excellent cyclic stability and superior rate capability. The specific capacity stays at 830.8 mAhg−1 after 200 cycles at 1 A/g, equivalent to a high capacity retention of 88.7%. The findings provide valuable clues to tailor morphology of hydrothermally carbonized glucose for advanced composite anode materials of lithium-ion batteries.


2013 ◽  
Vol 241 ◽  
pp. 619-626 ◽  
Author(s):  
Jingxian Zhang ◽  
Huaqiang Cao ◽  
Xiaolin Tang ◽  
Weifeng Fan ◽  
Gongchang Peng ◽  
...  

Author(s):  
Shaohua Lu ◽  
Weidong Hu ◽  
Xiaojun Hu

Due to their low cost and improved safety compared to lithium-ion batteries, sodium-ion batteries have attracted worldwide attention in recent decades.


2019 ◽  
Vol 7 (29) ◽  
pp. 17357-17365 ◽  
Author(s):  
Bozhao Wu ◽  
Xiangzheng Jia ◽  
Yanlei Wang ◽  
Jinxi Hu ◽  
Enlai Gao ◽  
...  

A new graphyne with high stability, excellent flexibility and carrier mobility is theoretically predicted as a promising anode material for lithium-ion batteries with high capacity.


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