Designing free-standing 3D lamellar/pillared RGO/CNTs aerogels with ultra-high conductivity and compressive strength for elastic energy devices

Chen, Tao; Chen, Zilin; Yang, Yunlong; Lv, Tian; Liu, Yanan; Qi, Yunlong; Dong, Keyi; Cao, Shaokui

doi:10.1039/d3ta01531a

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta01531a

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Designing free-standing 3D lamellar/pillared RGO/CNTs aerogels with ultra-high conductivity and compressive strength for elastic energy devices

Tao Chen

Zilin Chen

Yunlong Yang

et al.

Abstract: Mechanically compressible energy devices represent one of the most promising candidates for powering flexible and portable electronics, but often suffer from their limited stability of performance under high compressive strains....

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Cited by 2 publications

References 63 publications

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Renewable biomass bougainvillea petals-derived porous carbon through KOH activation and B/N co-doping: Synergistic contribution and charge storage mechanism

Zhao,

Feng,

Xiong

et al. 2024

Applied Surface Science

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Renewable biomass bougainvillea petals-derived porous carbon through KOH activation and B/N co-doping: Synergistic contribution and charge storage mechanism

Zhao,

Feng,

Xiong

et al. 2024

Applied Surface Science

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rGO-BCNT/PANI Three-Dimensional Flexible Aerogel Sponge Electrodes and Electrochemical Performance

Wang,

Guo,

Cai

et al. 2023

J. Compos. Biodegradable Polym.

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Self-supported flexible supercapacitors have promising applications in wearable electronics. The electrode materials, as a crucial component of supercapacitors, have a decisive impact on the energy storage performance of the entire device. Herein, reduced graphene oxide-boron atom doped-carbon nanotubes/polyaniline (rGO-BCNT/PANI) (rBP) three-dimensional (3D) aerogel sponge electrode materials were prepared by a simple ultrasonic self-assembly followed by reduction-induced self-assembly reaction. The rBP aerogel sponge structure not only provided a channel for electrolyte exchange, but also provided enough space for PANI nanoparticles to withstand the volume change during charging and discharging, and inhibited the decomposition of PANI nanoparticles. As a result, the 3D rBP aerogel sponge with 60 mg PANI addition amount (rBP60) exhibited high specific capacitance (695 F·g-1), high power density (675 W·kg-1), and high energy density (60.95 Wh·kg-1) at 0.5 A·g-1 in a three-electrode system. The 3D rBP60 aerogel sponge electrode material can reach 610 F·g-1 at 2 A·g-1, with a retention rate of up to 88% after 2000 cycles. The Coulombic efficiency of the rBP60 aerogel sponge electrode material was close to or equal to 85.5% at different current densities. The 3D rBP aerogel sponge was exceptionally flexible, maintaining its morphology without damage after 100 compression-release cycles.

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Designing free-standing 3D lamellar/pillared RGO/CNTs aerogels with ultra-high conductivity and compressive strength for elastic energy devices

Abstract: Mechanically compressible energy devices represent one of the most promising candidates for powering flexible and portable electronics, but often suffer from their limited stability of performance under high compressive strains....

Cited by 2 publications

References 63 publications

Renewable biomass bougainvillea petals-derived porous carbon through KOH activation and B/N co-doping: Synergistic contribution and charge storage mechanism

Renewable biomass bougainvillea petals-derived porous carbon through KOH activation and B/N co-doping: Synergistic contribution and charge storage mechanism

rGO-BCNT/PANI Three-Dimensional Flexible Aerogel Sponge Electrodes and Electrochemical Performance

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