Hollow Mesoporous Carbon Spheres for High Performance Symmetrical and Aqueous Zinc-Ion Hybrid Supercapacitor

Chen, Sihan; Yang, Gaoqi; Zhao, Xiaojuan; Wang, Nengze; Luo, Tingting; Chen, Xu; Wu, Tianci; Jiang, Shijie; Aken, Peter A. van; Qu, Shile; Li, Tao; Du, Liang; Zhang, Jun; Wang, Hanbin; Wang, Hao

doi:10.3389/fchem.2020.00663

Cited by 42 publications

(10 citation statements)

References 33 publications

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“…As exhibited in the Ragone plots, these values also outperform most of aqueous ZHSs and represent the best power density for all zinc-ion energy storage devices that have been reported so far (Fig. 3i and Table S2) [16,18,28,[31][32][33][34][35][36][37][38]. We also compared other types of supercapacitors in Table S3, showing that ZHSs possess both high security and competitive electrochemical performance [39][40][41][42][43].…”

Section: Resultsmentioning

confidence: 62%

Self-assembled carbon nanoribbons with the heteroatom doping used as ultrafast charging cathodes in zinc-ion hybrid supercapacitors

Huang

Kang

et al. 2022

Sci. China Mater.

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Zinc-ion hybrid supercapacitors (ZHSs) are highly desirable for large-scale energy storage applications owing to the merits of high safety, low cost and ultra-long cycle life. The poor rate performance of cathodes, however, severely hinders their application. Herein, aqueous ZHSs with superior performance were fabricated by employing a series of ultrathin carbon nanobelts modified with B, N, O (CPTHB-Bx). The heteroatom doping can significantly modify the chemical behaviors of carbon frameworks, which could generate numerous active sites and accelerate the charge transport. The systematic investigation reveals that the B–N groups are active species for fast Zn-ion adsorption and desorption. As a result, the best-performed CPTHB-B2 exhibits an excellent electrochemical performance as cathodes in ZHSs, delivering a high specific capacitance of 415.3 F g−1 at 0.5 A g−1, a record high capacitance retention of 81% when increasing the current densities from 0.5 to 100 A g−1, an outstanding energy density of 131.9 W h kg−1 and an exceptionally high power density of 42.1 kW kg−1. Our work provides a new cathode design for ultrafast charging Zn-ion storage devices.

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Section: Resultsmentioning

confidence: 62%

Self-assembled carbon nanoribbons with the heteroatom doping used as ultrafast charging cathodes in zinc-ion hybrid supercapacitors

Huang

Kang

et al. 2022

Sci. China Mater.

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“…At 0.1 A g –1 , a high C s of 327.39 F g –1 (145.5 mAh g –1 ) was obtained, which is the total contribution of hierarchical porous structure, providing numerous active sites for EDLC and pseudocapacitance. As shown in Figure d, the high C s of 75%-EG/RGO is not only higher than most pure carbon electrodes ,,− but also comparable to or even better than many battery-type electrodes, such as Na 3 V 2 (PO 4 ) 2 F 3 (62 mAh g –1 ), 3,4,9,10-perylenetetracarboxylic dianhydride (π-PMC, 122.9 mAh g –1 ), three-dimensional (3D) graphene@polyaniline (154 mAh g –1 ), Co-Mn Prussian blue analogue (128.6 mAh g –1 ), 1,4-bis(diphenylamino)benzene (BDB, 125 mAh g –1 ), ZnMn 2 O 4 (134.7 mAh g –1 ), and Mn(BTC) metal–organic framework (112 mAh g –1 ) . In addition to the remarkable C s , the 75-EG/RGO-based ZHS also exhibited satisfactory cycle life.…”

Section: Results and Discussionmentioning

confidence: 90%

Graphene Film with a Controllable Microstructure for Efficient Electrochemical Energy Storage

Jiang

Zhang

Sheng

et al. 2023

ACS Appl. Mater. Interfaces

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The agglomeration of graphene sheets and undesired pore size distribution usually lead to unsatisfactory electrochemical properties of reduced graphene oxide (RGO) film electrodes. Herein, crumpled exfoliated graphene (EG) sheets are adopted as the microstructure-regulating agent to tune the morphology and micro-/mesopore amounts with the aim of increasing active surface sites and ion transportation paths in electrodes. With the optimum ratio between EG and GO, the resulting 75%-EG/RGO shows significantly improved specific gravimetric capacitance (C s ) and rate capability when compared with pure RGO electrodes in a symmetrical supercapacitor system. Moreover, when coupling the 75%-EG/RGO cathode with a Zn anode to form a Zn ion hybrid supercapacitor (ZHS), the 75%-EG/RGO exhibits a much higher C s of 327.39 F g −1 at 0.1 A g −1 and can maintain 91.7% capacitance after 8000 cycles. Systematic ex situ X-ray diffraction (XRD) and X-ray photoelectron spectra (XPS) measurements reveal that the charge storage mechanism is based on both reversible physical adsorption and dual ion uptake. Furthermore, the quasi-solid-state flexible ZHS also presents high capacitive performance and can maintain ∼100% capacitance under various bending states, demonstrating potential application in wearable electronics. This strategy opens up a new path for constructing high-performance graphene film electrodes.

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“…Electrode materials have a great impact on the electrochemical performance of SCs. Consequently, many researchers have taken the preparation of new electrode materials and improving the electrochemical performance of electrode materials as the research direction (Tan et al, 2020a;Wang et al, 2020a;Tan et al, 2020b;Wang et al, 2020b;Gan et al, 2020;Zhang et al, 2020). Nickel-based selenide has a unique electronic structure and high specific capacitance and is considered to be the most promising electrode material for the next generation of the SC among many pseudo capacitance electrode materials.…”

Section: Discussionmentioning

confidence: 99%

Nanostructure Nickel-Based Selenides as Cathode Materials for Hybrid Battery-Supercapacitors

Sun

Wang

et al. 2021

Front. Chem.

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Supercapacitors (SCs) have attracted many attentions and already became part of some high-power derived devices such as Tesla’s electric cars because of their higher power density. Among all types of electrical energy storage devices, battery-supercapacitors are the most promising for superior performance characteristics, including short charging time, high power density, safety, easy fabrication procedures, and long operational life. An SC usually consists of two foremost components, namely electrode materials, and electrolyte. The selection of appropriate electrode materials with rational nanostructured designs have resulted in improved electrochemical properties for high performance and has reduced the cost of SCs. In this review, we mainly spotlight the nickel-based selenides nanostructured which applied as high-performance cathode materials for SCs. Different nickel-based selenides materials are highlighted in various categories, such as nickel-cobalt-based bimetallic chalcogenides and nickel-M based selenides. Also, we mentioned material modification for this material type. Finally, the designing strategy and future improvements on nickel-based selenides materials for the application of SCs are also discussed.

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Hollow Mesoporous Carbon Spheres for High Performance Symmetrical and Aqueous Zinc-Ion Hybrid Supercapacitor

Cited by 42 publications

References 33 publications

Self-assembled carbon nanoribbons with the heteroatom doping used as ultrafast charging cathodes in zinc-ion hybrid supercapacitors

Self-assembled carbon nanoribbons with the heteroatom doping used as ultrafast charging cathodes in zinc-ion hybrid supercapacitors

Graphene Film with a Controllable Microstructure for Efficient Electrochemical Energy Storage

Nanostructure Nickel-Based Selenides as Cathode Materials for Hybrid Battery-Supercapacitors

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