Metal–organic framework-derived graphene@nitrogen doped carbon@ultrafine TiO2 nanocomposites as high rate and long-life anodes for sodium ion batteries

2016 ◽  
Vol 52 (87) ◽  
pp. 12810-12812 ◽  
Author(s):  
Zhen Zhang ◽  
Yongling An ◽  
Xiaoyan Xu ◽  
Chenglong Dong ◽  
Jinkui Feng ◽  
...  

Graphene@nitrogen doped carbon@ultrafine TiO2 nanoparticles (G-NC@TiO2) with porous structure are obtained through annealing the precursor of graphene oxide/metal–organic frameworks (MOFs) for the first time.

2020 ◽  
Vol 56 (28) ◽  
pp. 3951-3954 ◽  
Author(s):  
Lin Chen ◽  
Ningjing Luo ◽  
Shuping Huang ◽  
Yafeng Li ◽  
Mingdeng Wei

Hollow structure CoS2/NC spheres derived from a porous Co-MOF precursor delivered long-term cycling stability as an anode for LIBs and SIBs.


Molecules ◽  
2021 ◽  
Vol 26 (4) ◽  
pp. 1018
Author(s):  
Vadahanambi Sridhar ◽  
Inwon Lee ◽  
Hyun Park

Metal organic framework (MOF)-derived carbon nanostructures (MDC) synthesized by either calcinations or carbonization or pyrolysis are emerging as attractive materials for a wide range of applications like batteries, super-capacitors, sensors, water treatment, etc. But the process of transformation of MOFs into MDCs is time-consuming, with reactions requiring inert atmospheres and reaction time typically running into hours. In this manuscript, we report the transformation of 1,4-diazabicyclo[2.2.2]octane, (DABCO)-based MOFs into iron nitride nanoparticles embedded in nitrogen-doped carbon nanotubes by simple, fast and facile microwave pyrolysis. By using graphene oxide and carbon fiber as microwave susceptible surfaces, three-dimensional nitrogen-doped carbon nanotubes vertically grown on reduced graphene oxide (MDNCNT@rGO) and carbon fibers (MDCNT@CF), respectively, were obtained, whose utility as anode material in sodium-ion batteries (MDNCNT@rGO) and for EMI (electromagnetic interference) shielding material (MDCNT@CF) is reported.


2018 ◽  
Vol 6 (29) ◽  
pp. 14324-14329 ◽  
Author(s):  
Yanfeng Dong ◽  
Wen Shi ◽  
Pengfei Lu ◽  
Jieqiong Qin ◽  
Shuanghao Zheng ◽  
...  

2D holey Co4S3 nanosheets with enhanced ion diffusion and structural integrity are synthesized for high-rate and long-life sodium ion batteries.


Nanoscale ◽  
2017 ◽  
Vol 9 (30) ◽  
pp. 10880-10885 ◽  
Author(s):  
Yu Yao ◽  
Yu Jiang ◽  
Hai Yang ◽  
Xizhen Sun ◽  
Yan Yu

A facile and simple hydrothermal assisted sol–gel route was developed to prepare nitrogen doped carbon coated Na3V2(PO4)3 nanocomposites (denoted as NVP@C–N) as cathodes for sodium ion batteries (NIBs).


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