Towards high cycle stability yolk-shell structured silicon/rGO/MWCNT hybrid composites for Li-ion battery negative electrodes

Tocoglu, U.; Alaf, Miraç; Akbulut, Hatem

doi:10.1016/j.matchemphys.2019.122160

Cited by 13 publications

(6 citation statements)

References 45 publications

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“…In the synthesis of Si/C anode materials, sol‐gel method has a wide application. Normally, it is used to prepare SiO 2 through hydrolysis of TEOS and polycondensation of SiO 2 reactions [103] according to given equations below.

true Si (OC_{2} H_{5})_{2} + 4 H_{2} normalO \to Si (OH)_{4} + 4 normalC_{2} normalH_{5} OH (Hydrolysis)

true Si (OH)_{4} \to SiO_{2} + 2 H_{2} normalO (Polycondensation)

…”

Section: Synthesis Methods Of Silicon/carbon Anodesmentioning

confidence: 99%

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Research Progress of Silicon/Carbon Anode Materials for Lithium‐Ion Batteries: Structure Design and Synthesis Method

Zhang

Yuan

et al. 2020

ChemElectroChem

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Silicon has been considered as one of the best alternatives to replace widely used graphite anodes for lithium‐ion batteries, owing to its high theoretical capacity, proper working voltage, abundant availability, and environmental friendliness. Nevertheless, there are many obstacles that hamper the practical applications of silicon anode materials such as huge volume change, low electrical and ionic conductivity, and unstable solid electrolyte interface (SEI), which lead to the pulverization of silicon and severe attenuation of capacity. Among numerous solutions, compounding with carbon is a promising and effective one that attracts more and more attention. In silicon/carbon (Si/C) hybrid anodes, Si acts as the active material that provides high capacity and carbon improves the conductivity as well as alleviates the expansion of Si. In this review, research progresses and developments of Si/C anode materials are summarized mainly from the point of structure design and synthesis methods. Issues and possible solutions are also discussed.

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true Si (OC_{2} H_{5})_{2} + 4 H_{2} normalO \to Si (OH)_{4} + 4 normalC_{2} normalH_{5} OH (Hydrolysis)

true Si (OH)_{4} \to SiO_{2} + 2 H_{2} normalO (Polycondensation)

…”

Section: Synthesis Methods Of Silicon/carbon Anodesmentioning

confidence: 99%

“…[102] In the synthesis of Si/C anode materials, sol-gel method has a wide application. Normally, it is used to prepare SiO through hydrolysis of TEOS and polycondensation of SiO reactions [103] according to given equations below.…”

Section: Sol-gelmentioning

confidence: 99%

Research Progress of Silicon/Carbon Anode Materials for Lithium‐Ion Batteries: Structure Design and Synthesis Method

Zhang

Yuan

et al. 2020

ChemElectroChem

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“…[ 61 ] However, mechanical pulverization results in massive volumetric expansion and unstable solid electrolyte interphase, which hinders the potential for silicon to be practically used as a negative electrode material. [ 62 ] To overcome this challenge, Toçoğlu et al designed binder‐free and freestanding composite electrodes with embedded silicon yolk–shell particles between the graphene and multiwalled carbon nanotubes (MWNTs) skeleton, for use as an anode for lithium‐ion batteries (LIBs). [ 62 ] The resulting composite anode had a remarkable performance with 951 mAhg −1 of gravimetric capacity even after 500 cycles.…”

Section: Carbon Nanohybridsmentioning

confidence: 99%

“…[ 62 ] To overcome this challenge, Toçoğlu et al designed binder‐free and freestanding composite electrodes with embedded silicon yolk–shell particles between the graphene and multiwalled carbon nanotubes (MWNTs) skeleton, for use as an anode for lithium‐ion batteries (LIBs). [ 62 ] The resulting composite anode had a remarkable performance with 951 mAhg −1 of gravimetric capacity even after 500 cycles. [ 62 ] Cheng et al created a solution for flexible and lightweight energy storage systems in wearable electronics and roll‐up displays.…”

Section: Carbon Nanohybridsmentioning

confidence: 99%

“…[ 62 ] The resulting composite anode had a remarkable performance with 951 mAhg −1 of gravimetric capacity even after 500 cycles. [ 62 ] Cheng et al created a solution for flexible and lightweight energy storage systems in wearable electronics and roll‐up displays. [ 63 ] The researchers demonstrated a novel method for realizing supercapacitor electrodes based on graphene/MnO 2 (manganese dioxide)/CNT nanocomposites.…”

Section: Carbon Nanohybridsmentioning

confidence: 99%

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Carbon Nanohybrids for Advanced Electronic Applications

Deshmukh

Park

Kang

et al. 2020

Physica Status Solidi (a)

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Recently, carbon nanohybrids based on carbon nanomaterials including fullerene, carbon nanotube (CNT), carbon nanofiber (CNF), and graphene have attracted considerable attention in the field of science and technology due to their unique electrical, mechanical, chemical, spectroscopic properties, and high porosities. These nanohybrids not only increase electrical conductivity, but also enhance surface areas, thereby overcoming the limitations of individual carbon nanomaterial for material science and electronic engineering. Herein, the electronic and materials properties of carbon nanohybrids consisting of CNT/graphene, CNT/fullerene, CNT/CNF, and graphene/fullerene for advanced electronic applications are discussed.

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An electrochemical sensor for the voltammetric determination of artemisinin based on carbon materials and cobalt phthalocyanine

et al. 2022

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Towards high cycle stability yolk-shell structured silicon/rGO/MWCNT hybrid composites for Li-ion battery negative electrodes

Cited by 13 publications

References 45 publications

Research Progress of Silicon/Carbon Anode Materials for Lithium‐Ion Batteries: Structure Design and Synthesis Method

Research Progress of Silicon/Carbon Anode Materials for Lithium‐Ion Batteries: Structure Design and Synthesis Method

Carbon Nanohybrids for Advanced Electronic Applications

An electrochemical sensor for the voltammetric determination of artemisinin based on carbon materials and cobalt phthalocyanine

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