Nitrogen-doped porous carbon derived from residuary shaddock peel: a promising and sustainable anode for high energy density asymmetric supercapacitors

Xiao, Kang; Ding, Liang‐Xin; Chen, Hongbin; Wang, Haihui; Lu, Xihong

doi:10.1039/c5ta08591h

Cited by 122 publications

(52 citation statements)

References 50 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As shown in Fig. 4b and d, unlike TW-Car, HCl-TW-Car had large quantities of micropores and mesopores (white spots in the dark gray areas) distributed within the surface of the sample, in conformance with previous studies on porous carbon structures31323643. It is important to note that such porous structures can enhance the active surface for Li + storage, reduce the ion diffusion distance, and facilitate liquid electrolyte penetration in order to obtain LIB anode materials with better performance44.…”

Section: Resultssupporting

confidence: 89%

“…2a. It is clearly seen that the XRD patterns of TW-Car and HCl-TW-Car possess no distinct characteristic peaks, indicating that both products demonstrate the typical structure of disordered carbon materials3536. There are only two broad peaks at around 23° and 43°, which are assigned to the (002) and (100) crystallographic planes of graphene stacks, respectively.…”

Section: Resultsmentioning

confidence: 98%

See 1 more Smart Citation

Enhanced Lithium Storage in Hierarchically Porous Carbon Derived from Waste Tea Leaves

Choi

Seo

Kim

et al. 2016

Sci Rep

View full text Add to dashboard Cite

In this study, highly nanoporous carbon (HCl-TW-Car) was successfully synthesized using a facile procedure combining acid treatment with a carbonization process that uses waste tea leaves from spent tea bags as raw materials. The acid treatment not only promotes the efficient removal of unnecessary inorganic impurities but also increases the product porosity to enable synthesis of hierarchically porous carbon materials with various micro-, meso-, and macropores. When used as an anode material for lithium-ion batteries, HCl-TW-Car demonstrated a much higher discharge capacity than is theoretically possible using graphite [479 mAh g−1 after the 200th cycle at a rate of 0.2C (1C = 372 mA g−1)] and exhibited greater rate capabilities compared with those of carbonated products from tea waste without acid treatment. It was shown that the good electrochemical properties of HCl-TW-Car can be ascribed to large Brunauer–Emmett–Teller (BET) surface area, well-formed hierarchical pores, and the prevention of unexpected electrochemical reactions from the reduction of metallic atoms.

show abstract

Section: Resultssupporting

confidence: 89%

Section: Resultsmentioning

confidence: 98%

Enhanced Lithium Storage in Hierarchically Porous Carbon Derived from Waste Tea Leaves

Choi

Seo

Kim

et al. 2016

Sci Rep

View full text Add to dashboard Cite

show abstract

“…Porous interlayer structures in nature are very common . This unique design is very important to insect.…”

Section: Figurementioning

confidence: 99%

An Interlayer of Multiple Microscale Hollow Channels Enhances the Durability of Surface Topographies

Ding

Yang²,

et al. 2020

ChemNanoMat

View full text Add to dashboard Cite

Self‐cleaning plays a significant role for natural beings, as it keeps surfaces dry and clean, which is beneficial for lowering the body's weight, absorbing more light, and preventing rotting. Various topographies have been created by nature to achieve these goals. The stability of surface topography is the most essential element for maintaining these functions. Here, we report a new method for lowering the elastic modulus and enhancing the durability of surface topography. In this study, we find that multi micro hollow channels interlayer of Lycorma Delicatula's wing could effectively transfer the stress from the upper surface to the interlayer and decrease the stress concentration on the surface nano‐topography, which enhances the durability of its surface functions. The simulation and artificial surface illustrate that this new design method provides a new way to decrease the elastic modulus and enhance topographic stability.

show abstract

“…[11][12][13][14] Meanwhile, biomasses are recyclable, abundant, and easily accessible on earth, and their conversion into usable carbon is an economical and green method compared with other carbonaceous precursors. [15][16][17][18] Shaddock peels (approximately 10% of the total weight of shaddocks that are a popular fruit in China), as a carbon material derived from natural waste, are viewed as a high value-added precursor of biomass derived hard carbons and have been served as catalyst support, 19 adsorption, [20][21][22] capacitor, 23,24 and sodium-ion batteries (SIBs). 25 In the previous studies, 3D connected porous 25 and honeycomb-like 26 shaddock peel-derived hard carbons have been prepared, which showed excellent Na + storage properties.…”

Section: Introductionmentioning

confidence: 99%

Sulfur‐doped shaddock peel–derived hard carbons for enhanced surface capacity and kinetics of lithium‐ion storage

Huang

et al. 2020

Int J Energy Res

View full text Add to dashboard Cite

Summary Sulfur doping has been regarded an energetic route to optimize the lithium storage properties of carbon‐based electrode materials. In this work, sulfur‐doped shaddock peel–derived hard carbon is successfully prepared by a KOH‐ and C2H5NS‐assisted pyrolysis procedure. It is demonstrated that sulfur doping has strong effect on surface activation and graphitization enhancement, which results in the significant enhancement of the surface adsorption capacity and reaction kinetics of the hard carbon materials. When employed as a lithium ion batteries (LIBs) anode, the as‐obtained hard carbon demonstrates excellent cycling and rate properties, presenting a great specific capacity of 738 mAhg−1 at 50 mAg−1 after 200 cycles, as well as 491 mAhg−1 at 200 mAg−1 after 300 cycles. Even at 1000 and 2000 mAg−1, the hard carbon provides a large rate capacity of 283 and 179 mAhg−1, respectively. Besides, it is revealed that the Li+ storage process is determined by the surface‐induced pseudocapacitive process, whose capacitive proportion reach 60% at 0.5 mVs−1. This work suggests that the low cost and eco‐friendly sulfur‐doped shaddock peel–derived hard carbon is a very prospective LIB anode material.

show abstract

Nitrogen-doped porous carbon derived from residuary shaddock peel: a promising and sustainable anode for high energy density asymmetric supercapacitors

Abstract: We introduce a strategy to convert crude biomass waste into high quality porous carbon and use it as an electrode material for high energy density asymmetric supercapacitors.

Cited by 122 publications

References 50 publications

Enhanced Lithium Storage in Hierarchically Porous Carbon Derived from Waste Tea Leaves

Enhanced Lithium Storage in Hierarchically Porous Carbon Derived from Waste Tea Leaves

An Interlayer of Multiple Microscale Hollow Channels Enhances the Durability of Surface Topographies

Sulfur‐doped shaddock peel–derived hard carbons for enhanced surface capacity and kinetics of lithium‐ion storage

Contact Info

Product

Resources

About