Recent Progress in Improving Rate Performance of Cellulose-Derived Carbon Materials for Sodium-Ion Batteries

Nano-Micro Letters, Journal Year: 2024, Volume and Issue: 16(1)

Published: March 11, 2024

Cellulose-derived carbon is regarded as one of the most promising candidates for high-performance anode materials in sodium-ion batteries; however, its poor rate performance at higher current density remains a challenge to achieve high power batteries. The present review comprehensively elucidates structural characteristics cellulose-based and cellulose-derived materials, explores limitations enhancing arising from ion diffusion electronic transfer level proposes corresponding strategies improve targeted various precursors materials. This also presents an update on recent progress with particular focuses their molecular, crystalline, aggregation structures. Furthermore, relationship between storage sodium elucidated through theoretical calculations characterization analyses. Finally, future perspectives regarding challenges opportunities research field anodes are briefly highlighted.

Language: Английский

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High-yield ramie derived carbon toward high-performance supercapacitors

Nano Energy, Journal Year: 2023, Volume and Issue: 120, P. 109147 - 109147

Published: Nov. 30, 2023

Language: Английский

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Molecularly-regulating oxygen-containing functional groups of ramie activated carbon for high-performance supercapacitors

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 665, P. 772 - 779

Published: March 27, 2024

Language: Английский

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High-Performance Thienothiophene and Single Wall Carbon Nanotube-Based Supercapacitor as a Free-Standing and Flexible Hybrid Energy Storage Material

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(4), P. 1488 - 1494

Published: Feb. 13, 2024

Long cycle life and high energy/power density are imperative for energy storage systems. Similarly, flexible free-standing electrodes important supercapacitor applications. Herein, we report, the first time, use of thienothiophene (TT) a single-walled carbon nanotube (SWCNT)-based hybrid material (TT-TPA-SWCNT) as high-performance supercapacitor. The synthesized TT derivative, TT-TPA, was directly attached to SWCNT through noncovalent interactions obtain TT-based hybrid, TT-TPA-SWCNT, film. film clarified by surface analysis methods scanning electron microscopy atomic force microscopy. TT-TPA-SWCNT used electrode in two-electrode system It displayed capacity 83.2 F g–1 at 5 mV s–1 scan rate, an excellent cyclic stability with 110% retention its initial specific capacitance after 7000 cycles long power ranged from 100 3000 W·kg–1, demonstrating that is promising nanomaterial

Language: Английский

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Continuous and Scalable Manufacture of Coal-Derived Hierarchical Porous Carbon Dominated with Mesopores for High Rate-Performance Supercapacitors

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(9), P. 4268 - 4278

Published: May 1, 2024

The continuous and scalable manufacture of porous carbon electrode materials with controlled pore architecture holds paramount importance in the development efficient sustainable energy storage systems. Herein, a green industrially feasible physical activation strategy was proposed to produce heteroatom self-doped hierarchical carbons (HPCs) by using polyvinyl butyral (PVB) as sacrificial template cross-linking agent low-rank coal low-cost precursor. optimal HPC-20 has highly interconnected multiscale structure, large specific surface area, heteroatom-enriched surfaces. synergistic effect these advantages provides variety benefits, including fast charge/discharge rates abundant sites. Specifically, exhibited an appreciable capacitance 304 F g–1 at 0.5 A excellent rate performance (capacitance retention 65.8% 50 g–1). Furthermore, symmetric supercapacitor achieved maximum density 23.1 W h kg–1 power 450 1 M Na2SO4 electrolytes. This work proposes approach for large-scale production controllable structure from coal.

Language: Английский

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Sustainable Synthesis of Hierarchically Porous Hollow Carbon Spheres for Enhanced Zinc-Ion Hybrid Supercapacitors

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(3), P. 931 - 940

Published: Jan. 17, 2024

We have developed an environmentally friendly and scalable method for synthesizing hierarchically porous hollow carbon spheres (HCSs) as cathode materials zinc-ion hybrid supercapacitors (ZISCs). This involves the sodium chloride (NaCl)-confined pyrolysis of polystyrene@polypyrrole nanoparticles. Unlike traditional methods, this one-pot, chemical-recycling, molten salt-confined process was conducted under air atmosphere, eliminating need expensive inert gas protection. NaCl served a noncorrosive barrier to isolate during pyrolysis. The optimized HCSs possessed abundant hierarchical pore structures, high specific surface areas (578.2 m2 g–1), significant levels oxygen (2.6 at %) nitrogen (5.6 doping. exhibited capacitance 108.7 F g–1 in three-electrode system with 6 M KOH electrolyte. Furthermore, ZISCs fabricated using cathodes demonstrated impressive energy density 26.2 W h kg–1 power 140.1 2 ZnSO4 These results highlight potential application ideal electrode various electrochemical storage devices.

Language: Английский

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Construction of honeycomb-like N-doped porous carbon framework with effective aperture distribution toward advanced supercapacitors and sodium-ion batteries

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 156779 - 156779

Published: Oct. 1, 2024

Language: Английский

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A 3D porous carbon derived from waste jujube by one-step carbonization and activation for high-performance supercapacitors

Materials Today Communications, Journal Year: 2024, Volume and Issue: 38, P. 108371 - 108371

Published: Feb. 15, 2024

Language: Английский

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Evolution and correlation of the physiochemical properties of bamboo char under successive pyrolysis process

Biochar, Journal Year: 2024, Volume and Issue: 6(1)

Published: March 28, 2024

Abstract This study investigated the effects of bamboo age, parts, and pyrolysis temperatures on physiochemical properties char throughout a series processes spanning from 150 °C to 1000 °C. The results indicated that as temperature increased 500 °C, yield experienced rapid decline, settling at maximum 69%, with no significant impact age parts. Subsequently, continued rise stabilized 25.74–32.64%. Besides, fixed carbon (FC), volatile matter (VM), ash content were temperature-dependent, while H/C, O/C, (N + O)/C, aromatic index kept constant after reaching Notably, 800 was confirmed be crucial turning point for properties, which graphitic structural changes occurred, pore collapsed, potassium salts released. Bamboo proved enhance stability. Pearson correlation coefficient (PCC) analysis revealed positively correlated ( p < 0.01) (0.76), FC (0.97), AI (0.81), R 50 (0.77), C–C/C = C/C–H (0.87). Conversely, negative correlations observed VM (−0.91), O/C (0.88), H/C (−0.95), O)/C (−0.87), C loss (−0.79), labile organic-C (−0.78). Additionally, negatively (−0.40), (−0.63), (−0.45), recalcitrant but associated (0.54), refractory (0.42), inorganic-C (0.52). parts did not exhibit properties. Graphical

Language: Английский

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A Comprehensive Evaluation of Biomass-Derived Activated Carbon Materials for Electrochemical Applications in Zinc-Ion Hybrid Supercapacitors

ACS Applied Energy Materials, Journal Year: 2024, Volume and Issue: 7(17), P. 7517 - 7533

Published: Aug. 29, 2024

In the evolving domain of energy storage technologies, synergy sustainable materials and enhanced performance metrics is crucial. This study focuses on zinc-ion hybrid supercapacitors (ZHSs), distinguished by their impressive power densities. The research meticulously evaluates biomass-derived activated carbon (AC) as an effective electrode material, selecting four distinct biomass sources: jute sticks, olive leaves, mango date leaves. These were chosen due to plentiful availability rich lignocellulosic properties. Among configurations studied, stick derived AC (JC) stood out with its tailored morphology substantial specific surface area 1370 m2/g. design facilitated exceptional rate capabilities efficient ion transport, culminating in remarkable long-term stability. Electrochemical analyses across all revealed a comprehensive profile. JC-based ZHS exhibited capacitance 204 F/g, density 73 Wh/kg, 400 W/kg. comparison, OC-based (olive leaves), MC-based (mango DC-based (date leaves) ZHSs demonstrated capacitances 182, 155, 80 F/g; densities 64, 55, 28 respectively, maintained Interestingly, capacity retention 130% after 20,000 cycles, highlighting resilience consistency. A real-world application was successfully powering toy car solely our developed coin cell, showcasing practicality efficiency technology operational devices. findings underscore potential AC, particularly from developing supercapacitors. With high performance, demonstrates use complying circular economy concepts establishing benchmark for future applications.

Language: Английский

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