Theoretical progresses in silicon anode substitutes for Lithium-ion batteries

Chadha, Utkarsh; Hafiz, Mohammed; Bhardwaj, Preetam; Padmanaban, Sanjeevikumar; Sinha, Sanyukta; Hariharan, Sai Prashant; Kabra, Dikshita; Venkatarangan, Vishal; Khanna, Mayank; Selvaraj, Senthil; Banavoth, Murali; Sonar, Prashant; Badoni, Badrish; Vimala, R

doi:10.1016/j.est.2022.105352

Cited by 17 publications

(2 citation statements)

References 91 publications

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“…Although graphite has an excellent cycling performance and is widely used as an anode material, it has limitations in meeting energy density requirements [4][5][6]. Silicon, on the other hand, has garnered considerable interest as a prospective anode material, owing to silicon's exceptional theoretical specific capacity of 4200 mAh g −1 and lithiation potential that ensures safety, thereby positioning it as a formidable contender for replacing graphite [7][8][9][10]. However, silicon also has obvious drawbacks such as significant volume expansion (~300%) during the cycling process, leading to a poor cycling performance and low electrochemical performance [11].…”

Section: Introductionmentioning

confidence: 99%

Silicon/Carbon Nanoparticles Assembled with Multifunction Carbon Nanotubes/Sheets as High-Performance Anode of Lithium-Ion Batteries

Yang,

Li,

et al. 2023

Batteries

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Silicon as an electrode material in the lithium-ion battery application scenario has been hindered by its significant volumetric expansion and intricate synthesis processes. In this research, we have successfully synthesized Si@C/carbon nanotubes/carbon sheets (Si@C-CNTs/CS) composites by employing a simple one-pot method along with modified magnesium thermal reaction, which involves melamine to prevent high temperature. The resulting multifunctional Si@C-CNTs/CS composites demonstrate enhanced stability during volume change in silicon, resulting in both higher capacity compared to conventional carbon coating layer and improved conductivity of the materials. The results indicate that the Si@C-CNTs/CS composites exhibit a high discharge-specific capacity of up to 2981.64 mAh g−1 at 0.5 A g−1 current density and retain a discharge-specific capacity of 1487.71 mAh g−1 even after 300 cycles. Therefore, the double-layer carbon network structure of carbon nanotubes/carbon nanosheets can provide an efficient and simple preparation method for high-performance Si-base anode materials in practical applications.

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Section: Introductionmentioning

confidence: 99%

Silicon/Carbon Nanoparticles Assembled with Multifunction Carbon Nanotubes/Sheets as High-Performance Anode of Lithium-Ion Batteries

Yang,

Li,

et al. 2023

Batteries

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“…Numerous studies have reported that Si compounds with carbon materials can effectively address the above issues. Carbon nanofibers (CNFs) are an ideal composite component with a high surface area, high mechanical strength, and good electrical conductivity. − Si/CNF composites can not only alleviate the huge volume expansion of Si but also improve the electrical conductivity and structural stability of the composites. − For instance, Bai et al synthesized Si-CNF@C composites by electrostatic self-assembly and further carbonization. CNFs and amorphous carbon can effectively improve the dispersion and contact problems of Si nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

Carbon Nanofiber Cages and Interface Engineering Stabilizing Silicon-Based Anode for High-Performance Lithium-Ion Batteries

Yan,

Hu,

Xia

et al. 2023

ACS Appl. Energy Mater.

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Silicon (Si)-based anodes have emerged as a highly promising material for the next generation of lithium-ion batteries (LIBs) due to their numerous advantages. However, the practical application of Si-based anodes is currently hindered by various challenges, such as significant volume variation and limited electronic conductivity. Herein, silicon/carbon/carbon nanofiber (Si/C/ CNF) composites are prepared by using micron Si as the silicon source, carbon dioxide (CO 2 ) as the green carbon source, and Ni powder as the catalyst. The formation of CNFs originates from the Ni-catalyzed thermal reduction of CO 2 , while the released heat facilitates the formation of SiC and Ni 3 Si 2 interfaces on the surface of Si, resulting in Si/C/CNF composites with a unique structure. The dual interface of SiC and Ni 3 Si 2 can not only reduce the side reactions of Si but also effectively mitigate the volume expansion of Si. Meanwhile, the CNF cage grown in situ can improve the electrical conductivity of the composite and promote electron/ion transport. Consequently, the Si/C/CNF anode shows an impressive cycling stability and an excellent rate performance (1300 mA h g −1 at 4 A g −1 ). The full cell constructed with the Si/C/CNF anode and the LiFePO 4 cathode exhibits high capacity retention (95.8% capacity retention after 150 cycles at 0.2 C). This study provides a perspective for the preparation of next-generation Sibased anodes.

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In Situ Catalyzed Growth of Carbon Nanotube with Asphalt Cladding as a Bicarbon Synergistic Framework of Silicon Anodes for Lithium‐ion Batteries

Liu,

Duan,

Chen

et al. 2024

Chemistry An Asian Journal

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Silicon, as the most promising advanced anode material for lithium‐ion batteries, faces challenges in large‐scale industrial production due to the significant volume expansion effect. In this investigation, Si/CNTs/C composite materials were effectively produced through high‐temperature carbonization utilizing asphalt, silicon, hexahydrate ferric chloride, and melamine as primary elements. The distinctive dual‐carbon framework of asphalt‐derived carbon and carbon nanotubes alleviates the volume expansion of silicon, thereby stabilizing the composite material's structure. Testing the electrochemical performance reveals that the Si/CNTs/C composite material exhibits a reversible specific capacity of 1187 mAh g‐1 with a capacity retention rate of 92.6% after 150 cycles at a current density of 0.2 A g‐1. Even after 500 cycles at a current density of 1 A g‐1, it sustains a specific capacity of 879.4 mAh g‐1 with a capacity retention rate of 87.9%, showcasing outstanding electrochemical performance

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Theoretical progresses in silicon anode substitutes for Lithium-ion batteries

Cited by 17 publications

References 91 publications

Silicon/Carbon Nanoparticles Assembled with Multifunction Carbon Nanotubes/Sheets as High-Performance Anode of Lithium-Ion Batteries

Silicon/Carbon Nanoparticles Assembled with Multifunction Carbon Nanotubes/Sheets as High-Performance Anode of Lithium-Ion Batteries

Carbon Nanofiber Cages and Interface Engineering Stabilizing Silicon-Based Anode for High-Performance Lithium-Ion Batteries

In Situ Catalyzed Growth of Carbon Nanotube with Asphalt Cladding as a Bicarbon Synergistic Framework of Silicon Anodes for Lithium‐ion Batteries

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