N-doped porous carbon nanofibers fabricated by bacterial cellulose-directed templating growth of MOF crystals for efficient oxygen reduction reaction and sodium-ion storage

Huang, Yang; Tang, Kui; Yuan, Fanshu; Zhang, Weiwei; Li, Bengang; Seidi, Farzad; Xiao, Huining; Sun, Dongping

doi:10.1016/j.carbon.2020.06.052

Cited by 71 publications

(31 citation statements)

References 42 publications

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“…Overall, BC has a high purity of cellulose that can be utilized with active materials or be a source of carbon to develop flexible energy storage materials [174]. Therefore, BC has been exposed to metal-organic frameworks to fabricate reticulated nanofiber composites for efficient oxygen reduction reaction and sodiumion storage, and results revealed the high-performance and cost-effective use of BC [175]. The application of BC in bone tissue engineering has gained attention in the past few years.…”

Section: Future Directionsmentioning

confidence: 99%

Bacterial Cellulose Nanofibers

Hamimed

Abdeljelil

Landoulsi

et al. 2022

Handbook of Nanocelluloses

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Cellulose is among the world's wealthiest biopolymers and primarily has a wood, plant, and microbial source. To date, cellulose nanofibers (CNFs) are synthesized under controlled conditions (temperature, pH, and agitation). The bacterial synthesis of CNFs, so-called bacterial cellulose (BC), has become actively interested in recent times. These emerged natural biopolymers have excellent hydrophilicity, biodegradability, renewability, and mechanical properties. The nanoscale dimension of the synthesized cellulose provides a sizeable functional surface area, low weight and density, and a high-interconnected pore system. Based on these properties, bacterial cellulose nanofibers open a broad range of environmental applications as biosorbents, ultrafiltration membrane, as well as a bio-reducing agent for the biosynthesis of nanoparticles with high photocatalytic activity. Moreover, these nanofibers prove their complete applications in the biomedical, textile, food, and cosmetic industries. The present chapter is devoted to investigating the mechanism of bacterial cellulose nanofibers biosynthesis, functionalization, and its area of applications.

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Section: Future Directionsmentioning

confidence: 99%

Bacterial Cellulose Nanofibers

Hamimed

Abdeljelil

Landoulsi

et al. 2022

Handbook of Nanocelluloses

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“…This result can be attributed to the increase of temperature, which tends to improve crystallization of graphite and reduce lattice defects. [47,48] The high graphitization degree with enhance electrical conductivity and structural order in the catalyst, which is expected to be beneficial for ORR performance and stability of FeÀ NÀ C-x catalysts. [49] The porous structures of FeÀ NÀ C-x were characterized using N 2 adsorption-desorption isotherms (Figure S4).…”

Section: Pig Blood This Workmentioning

confidence: 99%

Atomic Fe−N−C Sites on Porous Carbon Nanostructures for Oxygen Reduction Reaction

Wang

Liao

et al. 2022

ChemistrySelect

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Iron-nitrogen-carbon (FeÀ NÀ C) materials are considered as promising oxygen reduction reaction (ORR) catalysts due to their high efficiency, low cost, and high tolerance of CO and methanol, with the potential to replace platinum (Pt) based catalysts. However, the complex synthesis procedure and toxic raw materials inhibit the large-scale production of FeÀ NÀ C catalysts. Herein, an atomic FeÀ NÀ C catalyst, derived from biomass (pig blood) using a facile annealing process is reported. The prepared catalysts possess hierarchical porous structure and exhibit superior ORR efficiency with a high onset potential (E onset = 0.999 V) and a half-wave potential (E 1/2 = 0.875 V), comparable with commercial Pt/C. The synthesized catalysts show excellent long-term stability and tolerance to methanol. Moreover, FeÀ NÀ C-900 catalyst as cathode of Zn-air battery exhibits high discharge voltage, high power density and cycling stability. Our work proposed the synthesis of FeÀ NÀ C catalysts, using biomass as precursor. These prepared catalysts have great potential for further study and applications in energy.[a] M.

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“…e) Comparison of the rate capability of C 60 @CN with the values of the previously reported N-doped carbon materials for SIBs. [8,10,13,16,20,39,[51][52][53][54][55] f) Long-term cycling performance of C 60 @CN at 5000 mA g −1 . Note that the mass loadings of electrodes are 1.0~1.2 mg cm −2 .…”

Section: Energy Storage Kineticsmentioning

confidence: 99%

Fullerene‐Intercalated Graphitic Carbon Nitride as a High‐Performance Anode Material for Sodium‐Ion Batteries

Shen

et al. 2021

Energy & Environ Materials

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Two‐dimensional (2D) graphitic carbon nitride (g‐CN) is a promising anode material for sodium‐ion batteries (SIBs), but its insufficient interlayer spacing and poor electronic conductivity impede its sodium storage capacity and cycling stability. Herein, we report the fabrication of a fullerene (C60)‐modified graphitic carbon nitride (C60@CN) material which as an anode material for SIBs shows a high‐reversible capacity (430.5 mA h g−1 at 0.05 A g−1, about 3 times higher than that of pristine g‐CN), excellent rate capability (226.6 mA h g−1 at 1 A g−1) and ultra‐long cycle life (101.2 mA h g−1 after 5000 cycles at 5 A g−1). Even at a high‐active mass loading of 3.7 mg cm−2, a reversible capacity of 316.3 mA h g−1 can be obtained after 100 cycles. Such outstanding performance of C60@CN is attributed to the C60 molecules distributed in the g‐CN nanosheets, which enhance the electronic conductivity and prevent g‐CN sheets from restacking, thus resulting in enlarged interlayer spacing and exposed edge N defects (pyridinic N and pyrrolic N) for sodium‐ion storage. Furthermore, a sodium‐ion full cell combining C60@CN anode and NVPF@rGO cathode provides high‐coulombic efficiency (>96.5%), exceptionally high‐energy density (359.8 W h kganode−1 at power density of 105.1 W kganode−1) and excellent cycling stability (89.2% capacity retention over 500 cycles at 1 A ganode−1). This work brings new insights into the field of carbon‐based anode materials for SIBs.

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N-doped porous carbon nanofibers fabricated by bacterial cellulose-directed templating growth of MOF crystals for efficient oxygen reduction reaction and sodium-ion storage

Cited by 71 publications

References 42 publications

Bacterial Cellulose Nanofibers

Bacterial Cellulose Nanofibers

Atomic Fe−N−C Sites on Porous Carbon Nanostructures for Oxygen Reduction Reaction

Fullerene‐Intercalated Graphitic Carbon Nitride as a High‐Performance Anode Material for Sodium‐Ion Batteries

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