In-situ growth of polypyrrole onto bamboo cellulose-derived compressible carbon aerogels for high performance supercapacitors

Zhang, Xiaofang; Li, Hong; Zhang, Wei; Huang, Zhenjia; Tsui, Chi Pong; Lu, Canhui; He, Chengen; Yang, Yingkui

doi:10.1016/j.electacta.2019.01.166

Cited by 75 publications

(28 citation statements)

References 45 publications

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“…It is possibly attributed to the shielding effect of PPy layers, [ 88 ] the hydrogen bonding between the nitrogen lone pairs of PPy with the –OH groups of CNFs, [ 95 ] or the π–π stacking between the PPy and RGO layers. [ 107,108 ]…”

Section: Resultsmentioning

confidence: 99%

Core–Shell Structured Cellulose Nanofibers/Graphene@Polypyrrole Microfibers for All‐Solid‐State Wearable Supercapacitors with Enhanced Electrochemical Performance

Chen

2020

Macro Materials & Eng

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Thanks to their considerable electrochemical and mechanical properties, fiber‐shaped supercapacitors have become the most potential energy storage devices for portable and wearable electronics in the future; however, challenges still exist in the pursuit of practical applications among them. In this work, ternary microfibers, which are composed of TEMPO‐oxidized cellulose nanofibers/reduced graphene oxide microfiber cores coated with polypyrrole shell layers, are successfully fabricated through industrializable and sustainable wet‐spinning and interfacial polymerization strategies. The prepared microfibers possess well‐defined microstructures and outstanding mechanical properties (559 MPa). When assembled into symmetrical all‐solid‐state fiber‐shaped supercapacitors (FSCs), they exhibit remarkable electrochemical properties (647 mF cm−2, 14.37 µWh cm−2 at 0.1 mA cm−2), prominent cycling stability (92.5% capacitance retention and 92.6% coulomb efficiency after 10 000 cycles), and extraordinary flexibility (no significant decay in capacitance after 5000 bending cycles), which are superior to all the congeneric FSCs reported to date. The prominent performances are ascribed to the synergistic effect of the well‐designed ternary system and synergistic effects between interior components. The advantages in electrochemical, mechanical, and industrial properties of the ternary FSCs can provide reference and boost the development of flexible energy storage applications.

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Section: Resultsmentioning

confidence: 99%

Core–Shell Structured Cellulose Nanofibers/Graphene@Polypyrrole Microfibers for All‐Solid‐State Wearable Supercapacitors with Enhanced Electrochemical Performance

Chen

2020

Macro Materials & Eng

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“…Like polyaniline, polypyrrole can also improve the electrochemical performances of BDCs. Numerous reports indicate the improved electrochemical performances of polypyrrole with BDCs from bacterial cellulose nanofibers, 267 cattail, 268 bamboo cellulose nanofibers, 269 and durian rind 270 . In sum, the pseudocapacitive materials can improve the electrochemical performance of BDCs due to the synergetic effects.…”

Section: Influencing Factors Of Bdcs In Ecsmentioning

confidence: 99%

Renewable biomass‐derived carbons for electrochemical capacitor applications

Luo

Chen

et al. 2021

SusMat

121

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Biomass is rich, renewable, sustainable, and green resources, thereby excellent raw material for the fabrication of carbon materials. The diversity in structure and morphology of biomass are relevant in obtaining carbon materials with different structures and performances. The inherent ordered porous structure of biomass also benefits the activation process to yield porous carbons with ultrahigh specific surface area and pore volume. Besides, obtained biomass‐derived carbons (BDCs) are hard carbon with porous morphology, stable structure, superior hardness/strength, and good cycling performances when used in electrochemical capacitors (ECs). The inherent N, S, P, and O elements in biomass yield naturally self‐doped N, S, P, and O BDCs with unique intrinsic structures. In this paper, the synthesis approaches and applications of BDCs in ECs are reviewed. It shows that BDCs electrochemical performances are highly determined by their pore structures, specific surface areas, heteroatoms doping, graphitization degree, defects, and morphologies. The electrochemical performances of BDCs can further be improved by compositing with other materials, such as graphene, carbon nanofibers/nanotubes, transition metal oxides or hydroxides, and conducting polymers. The future challenges and outlooks of BDCs are also provided.

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“…Besides, the comparative CV and GCD profiles of PC, PZCC-1, and PZCC-2 electrode materials at a scan rate of 5 mV −1 and a current density of 0.2 A·g −1 are shown in Figure 7 , which can make it easier to see the significant differences and different reaction systems that also affect the PPy hybrid electrode materials. Compared to other CPs-based composites [ 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 ], the prepared electrode has better specific capacitance, which shows that this method is superior. The results indicate that the incorporation of ZIF-67 derived oxyhydroxide can improve the interface between CFs and PPy, which is beneficial to anchor the electrode material for more excellent electrochemical performance.…”

Section: Resultsmentioning

confidence: 93%

Integrated Conductive Hybrid Electrode Materials Based on PPy@ZIF-67-Derived Oxyhydroxide@CFs Composites for Energy Storage

Yang

Qian

2021

Polymers

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Due to excellent flexibility and hydrophilicity, cellulose fibers (CFs) have become one of the most potential substrate materials in flexible and wearable electronics. In previous work, we prepared cobalt oxyhydroxide with crystal defects modified polypyrrole (PPy)@CFs composites with good electrochemical performance. In this work, we redesigned the crystalline and nanoscale cobalt oxyhydroxide with zeolitic imidazolate frameworks-67 (ZIF-67) as precursor. The results showed that the PPy@ZIF-67 derived cobalt oxyhydroxide@CFs (PZCC) hybrid electrode materials possess far better capacitance of 696.65 F·g−1 than those of PPy@CFs (308.75 F·g−1) and previous PPy@cobalt oxyhydroxide@CFs (571.3 F·g−1) at a current density of 0.2 A·g−1. The PZCC delivers an excellent cyclic stability (capacitance retention of 92.56%). Moreover, the PZCC-supercapacitors (SCs) can provide an energy density of 45.51 mWh cm−3 at a power density of 174.67 mWh·cm−3, suggesting the potential application in energy storage area.

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In-situ growth of polypyrrole onto bamboo cellulose-derived compressible carbon aerogels for high performance supercapacitors

Cited by 75 publications

References 45 publications

Core–Shell Structured Cellulose Nanofibers/Graphene@Polypyrrole Microfibers for All‐Solid‐State Wearable Supercapacitors with Enhanced Electrochemical Performance

Core–Shell Structured Cellulose Nanofibers/Graphene@Polypyrrole Microfibers for All‐Solid‐State Wearable Supercapacitors with Enhanced Electrochemical Performance

Renewable biomass‐derived carbons for electrochemical capacitor applications

Integrated Conductive Hybrid Electrode Materials Based on PPy@ZIF-67-Derived Oxyhydroxide@CFs Composites for Energy Storage

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