Free-standing macro-porous nitrogen doped graphene film for high energy density supercapacitor

Jin, Yanan; Meng, Yin‐Shan; Fan, Wei; Lu, Huijuan; Liu, Tianxi; Wu, Sixin

doi:10.1016/j.electacta.2019.06.107

Cited by 34 publications

(13 citation statements)

References 56 publications

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“…Another study worth mentioning, dealing with porous yet densely packed carbon electrodes with a low ion transport resistance, high SSA, and high packing density Reproduced with permission. [190] Copyright 2019, Elsevier. b) Illustration of the fabrication of all-solid-state supercapacitors based on BN-GA. c).…”

Section: Edlcsmentioning

confidence: 99%

The Chemistry and Promising Applications of Graphene and Porous Graphene Materials

Huang

Shi

Das

et al. 2020

Adv Funct Materials

225

123

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Graphene and graphene oxide (GO), as wonder materials, have penetrated nearly every field of research. One of their most attractive features is the functionality and assembly of graphene or GO, in which they can be considered to be chemically functionalized building blocks for creating unconventional porous graphene materials (PGMs) that not only combine the merits of both porous materials and graphene, but also have major advantages over other porous carbons for specific applications. The chemistry and approaches for functionalizing graphene and GO are first introduced, and typical procedures for pore creation (e.g., in-plane pores, 2D laminar pores, and 3D interconnected pore assemblies), self-assembly, and tailoring mechanisms for PGMs to highlight the significance of precise control over the pore morphology and pore size are summarized. Because of their unique pore structures, with different morphologies and intriguing properties, PGMs serve as key components in a variety of applications such as energy storage, electrocatalysis, and molecular separation. Finally, the challenges relating to PGMs from the understanding of chemical self-assembly to specific applications are discussed, and promising solutions on how to tackle them are presented. This provides an insightful outlook for the future development of the chemistry and applications of PGMs.

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Section: Edlcsmentioning

confidence: 99%

The Chemistry and Promising Applications of Graphene and Porous Graphene Materials

Huang

Shi

Das

et al. 2020

Adv Funct Materials

225

123

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show abstract

“…After doping nitrogen, carbon atoms were partially replaced, which can effectively adjust the electronic properties, surface catalytic properties, and local chemical properties of graphene [66,80,124]. Compared with the undoped graphene, doped graphene can increase the active site of the specific surface area as well as enhance the solubility and accessibility in the electrolyte solution, so the density of the free charge carriers and conductivity increased [125]. Jin et al [125] fabricated porous self-supporting N-doped GFs using hydrogels, as shown in Figure 11.…”

Section: Doped Gfsmentioning

confidence: 99%

“…Compared with the undoped graphene, doped graphene can increase the active site of the specific surface area as well as enhance the solubility and accessibility in the electrolyte solution, so the density of the free charge carriers and conductivity increased [125]. Jin et al [125] fabricated porous self-supporting N-doped GFs using hydrogels, as shown in Figure 11. N-doping ensures the sufficient pseudocapacitance and conductivity of the film, and the macroporous structure facilitates rapid ion adsorption.…”

Section: Doped Gfsmentioning

confidence: 99%

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Research Progress of Graphene-Based Materials on Flexible Supercapacitors

Xiao

Yuan

et al. 2020

Coatings

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With the development of wearable and flexible electronic devices, there is an increasing demand for new types of flexible energy storage power supplies. The flexible supercapacitor has the advantages of fast charging and discharging, high power density, long cycle life, good flexibility, and bendability. Therefore, it exhibits great potential for use in flexible electronics. In flexible supercapacitors, graphene materials are often used as electrode materials due to the advantages of their high specific surface area, high conductivity, good mechanical properties, etc. In this review, the classification of flexible electrodes and some common flexible substrates are firstly summarized. Secondly, we introduced the advantages and disadvantages of five graphene-based materials used in flexible supercapacitors, including graphene quantum dots (GQDs), graphene fibers (GFbs), graphene films (GFs), graphene hydrogels (GHs), and graphene aerogels (GAs). Then, we summarized the latest developments in the application of five graphene-based materials for flexible electrodes. Finally, the defects and outlooks of GQDs, GFbs, GFs, GHs, and GAs used in flexible electrodes are given.

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“…Supercapacitors can be typically categorized into electrical double-layer capacitors (EDLCs) and pseudocapacitors. 1,2 The EDLCs store charges through ion adsorption at the electrode/electrolyte interface of the high surface area porous carbon materials. It shows higher power density and lower capacitance.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of uniform urchin-like N-doped NiCo₂O₄@C hollow nanostructures for high performance supercapacitors

Huang

Meng

et al. 2019

RSC Adv.

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Free-standing macro-porous nitrogen doped graphene film for high energy density supercapacitor

Cited by 34 publications

References 56 publications

The Chemistry and Promising Applications of Graphene and Porous Graphene Materials

The Chemistry and Promising Applications of Graphene and Porous Graphene Materials

Research Progress of Graphene-Based Materials on Flexible Supercapacitors

Fabrication of uniform urchin-like N-doped NiCo₂O₄@C hollow nanostructures for high performance supercapacitors

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Free-standing macro-porous nitrogen doped graphene film for high energy density supercapacitor

Cited by 34 publications

References 56 publications

The Chemistry and Promising Applications of Graphene and Porous Graphene Materials

The Chemistry and Promising Applications of Graphene and Porous Graphene Materials

Research Progress of Graphene-Based Materials on Flexible Supercapacitors

Fabrication of uniform urchin-like N-doped NiCo2O4@C hollow nanostructures for high performance supercapacitors

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Fabrication of uniform urchin-like N-doped NiCo₂O₄@C hollow nanostructures for high performance supercapacitors