Hierarchical N/O co-doped hard carbon derived from waste saccharomyces cerevisiae for lithium storage

Liu, Guilong; Zhao, Yunxia; Li, Jingru; Zhang, Ting; Yang, Mengke; Guo, Donglei; Wu, Naiteng; Wu, Kong-Yang; Liu, Xianming

doi:10.1016/j.jelechem.2022.116226

Cited by 10 publications

(2 citation statements)

References 64 publications

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“…Figure a shows the CV curves of NHC at 0.2 mV s –1 a. During the Li + insertion, two peaks appear at ∼0.43 and 1.36 V in the first cycle and then vanish in the following cycles, corresponding to the formation of a SEI, while the sharp peak near 0.01 V is originated from Li + intercalation into the graphitic domain of HC. , The next four scan curves almost overlapped, indicating great reversibility and stability. Figure b presents the galvanostatic charge–discharge (GCD) curves of NHC and commercial graphite at 0.1 A g –1 .…”

Section: Resultsmentioning

confidence: 97%

Toward Highly Selective Heteroatom Dopants in Hard Carbon with Superior Lithium Storage Performance

Cai

Fan

et al. 2023

ACS Appl. Mater. Interfaces

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Hard carbons (HCs) have gained much attention for next-generation high energy density lithium-ion battery (LIB) anode candidates. However, voltage hysteresis, low rate capability, and large initial irreversible capacity severely affect their booming application. Herein, a general strategy is reported to fabricate heterogeneous atom (N/S/P/Se)-doped HC anodes with superb rate capability and cyclic stability based on a three-dimensional (3D) framework and a hierarchical porous structure. The obtained N-doped hard carbon (NHC) exhibits an excellent rate capability of 315 mA h g–1 at 10.0 A g–1 and a long-term cyclic stability of 90.3% capacity retention after 1000 cycles at 3 A g–1. Moreover, the as-constructed pouch cell delivers a high energy density of 483.8 W h kg–1 and fast charging capability. The underlying mechanisms of lithium storage are illustrated by electrochemical kinetic analysis and theoretical calculations. It is demonstrated that heteroatom doping imposes significant effects on adsorption and diffusion for Li+. The versatile strategy in this work opens an avenue for rational design of advanced carbonaceous materials with high performance for LIB applications.

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Section: Resultsmentioning

confidence: 97%

Toward Highly Selective Heteroatom Dopants in Hard Carbon with Superior Lithium Storage Performance

Cai

Fan

et al. 2023

ACS Appl. Mater. Interfaces

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“…The absorption at 1000–1500 cm –1 can be attributed to the combined effects of –OH and C–O–C, in which AAC-500 creates a wider peak than ANC-500, and a substantially weaker peak than AC-500. The oxygen-containing functional groups including CO, –COOH, and –OH enhance the hydrophilicity of porous carbon and also facilitate the electrochemical activity of the supercapacitors in alkaline electrolytes. − …”

Section: Results and Discussionmentioning

confidence: 99%

Bisphenol A Epoxy Resin-Derived Activated Carbon with High Performance for Supercapacitors

Zhao,

Chen,

Sun

et al. 2023

J. Phys. Chem. C

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Supercapacitors are important energy storage devices with the advantages of high power density and long cycle life, while their performance is highly dependent on the active materials. Exploitation of the carbon source and the synthesis method play a key role in supplying activated carbon (AC) for the electric double-layer capacitor (EDLC). Herein, Bisphenol A epoxy resin is used as the carbon source of activated carbon, and the air atmosphere during the carbonization process is used to improve the specific surface area of the resultant activated carbon (1731.18 m 2 g −1 in air vs 1353.78 m 2 g −1 in N 2 ). Consequently, this activated carbon generated from bisphenol A epoxy resin in air had abundant micropores and mesopores and displayed good electrochemical performance: This porous carbon electrode has a specific capacitance of 422.9 F g −1 at 1 A g −1 (vs 285.1 F g −1 in N 2 ). Its symmetric supercapacitor in 6 M KOH electrolyte has an energy density of 13.6 Wh kg −1 even at a power density of 1500 W kg −1 , and a specific capacitance retention of 99.61% after 20 000 cycles.

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Improved discharge capacities for lithium-ion batteries containing needle cokes doped with oxygen via ozonation

Ha,

Lim,

Min

et al. 2024

J Mater Sci: Mater Electron

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Hierarchical N/O co-doped hard carbon derived from waste saccharomyces cerevisiae for lithium storage

Cited by 10 publications

References 64 publications

Toward Highly Selective Heteroatom Dopants in Hard Carbon with Superior Lithium Storage Performance

Toward Highly Selective Heteroatom Dopants in Hard Carbon with Superior Lithium Storage Performance

Bisphenol A Epoxy Resin-Derived Activated Carbon with High Performance for Supercapacitors

Improved discharge capacities for lithium-ion batteries containing needle cokes doped with oxygen via ozonation

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