Preparation of pod-like 3D Ni0.33Co0.67Fe2O4@rGO composites and their microwave absorbing properties

Gao, Meimei; Zhao, Yun; Wang, Shanshan; Xu, Yingchun; Feng, Caihong; Shi, Daxin; Jiao, Qingze

doi:10.1016/j.ceramint.2018.12.226

Cited by 24 publications

(6 citation statements)

References 25 publications

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“…5a. It is obvious that the Co 1.29 Ni 1.71 O 4 /rGO/CF-80 wt% composite foam indeed acquires the best absorbing intensity and largest bandwidth, and its EMA performance is indeed superior to that of most recent carbon-based composites 38–46 reported in other articles, as shown in Fig. 5b.…”

Section: Resultsmentioning

confidence: 71%

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A novel multi-dimensional structure of graphene-decorated composite foam for excellent stealth performance in microwave and infrared frequency bands

et al. 2022

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Section: Resultsmentioning

confidence: 71%

“…Thus, the designed d-3D-CP microstructure is benecial for improving absorption performance. [38][39][40][41][42][43][44][45][46] reported in other articles, as shown in Fig. 5b.…”

Section: Electromagnetic Stealth Properties Of the Co 129 Ni 171 O 4 ...mentioning

confidence: 87%

A novel multi-dimensional structure of graphene-decorated composite foam for excellent stealth performance in microwave and infrared frequency bands

et al. 2022

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“…The G band represents the E2g vibrational mode of first‐order scattering, which is used to characterize the sp2 bond structure of carbon. I D /I G values are often used to characterize the degree of surface defects 29 . As shown in Figure 2b, D and G bands of GO, TGO, and TGOS appear at 1346 and 1585 cm −1 , respectively.…”

Section: Resultsmentioning

confidence: 99%

The effect of silicon dioxide nanoparticle‐covered graphene oxide on mechanical properties, thermal stability and rheological performance of thermoplastic polyurethanes

Ding

Tai

Chen

et al. 2021

J of Applied Polymer Sci

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A two‐step grafting procedure has been used to graft tetraethylenepentamine (TEPA) and nano silicon dioxide (SiO2), onto graphene oxide (GO) surface. The resulting modified GO, that was TGOS, which was used as a reinforcement in thermoplastic polyurethanes (TPUs). Mechanical properties, thermal stability and rheological properties of composites were investigated. Results showed that the addition of TGOS significantly improved the mechanical properties of TPU compared with the pure TPU sample. Tensile strength and elongation at break of TPU were increased by 50.8 and 18.6%, respectively, when the addition amount was only 0.5 wt%. TG results showed that the addition of TGOS improved the heat resistance of TPU. Complex viscosity, storage modulus (G') and loss modulus (G") of TPU composites with different additions were analyzed by rheological tests, the results showed that the addition of TGOS improved the deformation resistance of TPU. Meanwhile, TPU composites present high G', G", and complex viscosity with the increase of TGOS filling amount in the low frequency region.

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“…Though it is proved that fabrication with rGO is an effective strategy to improve the electrochemical performance of TMSs, there are still some inevitable issues in the preparation and application process [30,31] . The rGO nanosheets usually tend to agglomerate due to the relatively strong interlayered van der Waals forces, which limit the Na + diffusion into the interspace of rGO.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, the preparation route of rGO involves the complicated hydrothermal/solvothermal and environmentally unfriendly annealing process. Therefore, it is important to construct suitable structure for TMSs/rGO nanocomposites to prevent the active materials from falling off the conductive substrate without complicated experimental process [30] …”

Section: Introductionmentioning

confidence: 99%

Structure‐Designed Preparation of Pod‐Like CuCo₂S₄/rGO as Advanced Anode Material Targeting Superior Sodium Storage

Jiao

Zhou

et al. 2021

ChemElectroChem

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It is urgent to design and assemble anode materials with long cycling life and high capacity for sodium‐ion batteries (SIBs). Thereby, pod‐like CuCo2S4/rGO, with a unique core‐shell structure, was successfully fabricated through a solvothermal method, a green reduction process, and a following liquid‐nitrogen treatment. CuCo2S4 spheres were embedded into rGO nanosheet scrolls, forming a unique pod‐like structure due to the shrinkage of rGO during the liquid‐nitrogen treatment. The pod‐like CuCo2S4/rGO material exhibits a superior electrochemical performance compared to bare CuCo2S4, including a high capacity (557.5 mAh g−1 at 0.1 A g−1) and good rate capability (372 mAh g−1 at 2 A g−1). In addition, a long cycling life with a high capacity of 341 mAh g−1 over 5000 cycles at 2 A g−1 is achieved. The improved electrochemical performance can be ascribed to the unique pod‐like core‐shell structure, which cannot only provide efficient pathways to facilitate electron/ion transportation, but also relieve the strain caused by volume change to maintain the structural stability. This work offers a simple strategy to prepare rGO‐wrapped CuCo2S4 nanocomposites with stable pod‐like structure, proving their potential application as anode materials for SIBs.

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Preparation of pod-like 3D Ni0.33Co0.67Fe2O4@rGO composites and their microwave absorbing properties

Cited by 24 publications

References 25 publications

A novel multi-dimensional structure of graphene-decorated composite foam for excellent stealth performance in microwave and infrared frequency bands

A novel multi-dimensional structure of graphene-decorated composite foam for excellent stealth performance in microwave and infrared frequency bands

The effect of silicon dioxide nanoparticle‐covered graphene oxide on mechanical properties, thermal stability and rheological performance of thermoplastic polyurethanes

Structure‐Designed Preparation of Pod‐Like CuCo₂S₄/rGO as Advanced Anode Material Targeting Superior Sodium Storage

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Preparation of pod-like 3D Ni0.33Co0.67Fe2O4@rGO composites and their microwave absorbing properties

Cited by 24 publications

References 25 publications

A novel multi-dimensional structure of graphene-decorated composite foam for excellent stealth performance in microwave and infrared frequency bands

A novel multi-dimensional structure of graphene-decorated composite foam for excellent stealth performance in microwave and infrared frequency bands

The effect of silicon dioxide nanoparticle‐covered graphene oxide on mechanical properties, thermal stability and rheological performance of thermoplastic polyurethanes

Structure‐Designed Preparation of Pod‐Like CuCo2S4/rGO as Advanced Anode Material Targeting Superior Sodium Storage

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Product

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Structure‐Designed Preparation of Pod‐Like CuCo₂S₄/rGO as Advanced Anode Material Targeting Superior Sodium Storage