Carbon-Coated Rice Husk-Derived SiO2/C Composites As Anodes for Lithium-Ion Batteries: Comparison between CTEP and PVC Carbon Coatings

Cui, Xinying; Liu, Li; Liu, Xiaoyang; Li, Yixin; Feng, Yi; Ma, Lijie; Liu, Liangyu; Xue, Ying; Zhu, Yanchao

doi:10.1007/s11664-021-09276-x

Cited by 5 publications

(1 citation statement)

References 41 publications

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“…Polyvinyl chloride (PVC), with the low viscosity and good mechanical integrity, provides uniform carbon coating layers and improves the electrochemical performance of materials [9–13] . Lv et al [14] .…”

Section: Introductionmentioning

confidence: 99%

PVC Coated Lignin/silica Composites Derived from Biomass Rice Husks as a High Performance Anode Material for Lithium Ion Batteries

Cui

Liu

et al. 2022

ChemistrySelect

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Lignin, as the second most abundant natural polymer, has not been fully utilized in the industrial field due to the complex structure and functional groups. In this paper, polyvinyl chloride (PVC) coated lignin‐silica composites (PLS) with excellent cycling performance are prepared from rice husk and PVC through the method of alkali extraction and acid precipitation and mechanical mixing process. Due to the existence of functional groups on the surface of lignin, it can be closely combined with PVC to form a stable structure. The first discharge specific capacity and Coulombic efficiency of PLS is 1436 mA h g−1 and 56 %, respectively, and the reversible capacity is 720 mA h g−1 after 200 cycles at 0.1 A g−1, showing a stable cycling performance. This work promotes the application of lignin in the SiO2/C anode material of lithium ion battery, and confirms the stable combination between PVC and organic carbon.

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Section: Introductionmentioning

confidence: 99%

PVC Coated Lignin/silica Composites Derived from Biomass Rice Husks as a High Performance Anode Material for Lithium Ion Batteries

Cui

Liu

et al. 2022

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Efficient and swift heating technique for crafting highly graphitized carbon and crystalline silicon (Si@GC) composite anodes for lithium‐ion batteries

Padwal,

Wang,

Pham

et al. 2024

Battery Energy

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The synthesis of battery materials from biomass as feedstock is not only effective but also aligns with sustainable practices. However, current methods like slow pyrolysis/heating are both energy‐intensive and economically impractical. Hence, integrating energy‐efficient technologies becomes imperative to curtail substantial energy consumption and, consequently, minimize carbon dioxide (CO2) emissions during electricity usage. Herein, we employed a one‐step pyrolysis/reduction based on the microwave heating method to synthesize a composite of high‐purity silicon and highly graphitized carbon (Si@GC) from rice husk as feedstock. Compared to the conventional heating methods, the Si@GC samples prepared via the microwave heating method required less time (30–50 min). Benefiting from ultrahigh heating rates, the highly graphitized carbon and crystalline silicon composite was successfully synthesized. The synthesis by microwave irradiation showed homogenous material, excellent surface area, essential functional groups, and crystallinity revealing the outstanding reaction kinetics to form the material. The as‐synthesized Si@GC composite anode material delivered a high discharge capacity of 799 mAh/g with high cyclic stability of ~71% over 120 cycles. The ex situ ToF‐SIMS revealed great inorganic SEI composition, mainly consisting of the fluorinated species and carbonate species produced at the initial cycle. This investigation provides a novel rapid heating method for the synthesis of battery materials, which can also be extended for other materials and applications.

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Carbon materials for metal-ion batteries

et al. 2023

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Carbon-Coated Rice Husk-Derived SiO2/C Composites As Anodes for Lithium-Ion Batteries: Comparison between CTEP and PVC Carbon Coatings

Cited by 5 publications

References 41 publications

PVC Coated Lignin/silica Composites Derived from Biomass Rice Husks as a High Performance Anode Material for Lithium Ion Batteries

PVC Coated Lignin/silica Composites Derived from Biomass Rice Husks as a High Performance Anode Material for Lithium Ion Batteries

Efficient and swift heating technique for crafting highly graphitized carbon and crystalline silicon (Si@GC) composite anodes for lithium‐ion batteries

Carbon materials for metal-ion batteries

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