Lithium-ion battery silicon-carbon composite material

Nano/micro-structured silicon@carbon composite with buffer …

1. Introduction. With the rapid development of electric vehicle and advanced electronic device, lithium-ion battery with high energy density and long life has attracted considerable attention [1], [2].For anode materials, silicon has been the focus of research for many years because of its extremely high theoretical capacity of about 4200 mA h g −1, which …

Development of petroleum pitch/polymer composite binder for …

The lithium-ion battery has been utilized in various fields including energy storage system, portable electronic devices and electric vehicles due to their high energy and power densities, low self-discharge, and long cycle-life performances. However, despite of various research on electrode materials, there is a lack of research on developing of binder to replace …

Nanostructured Si−C Composites As High‐Capacity Anode Material …

Silicon carbon composites have only been rarely analyzed in combination with SEs yet but e. g. nanostructured Si/C fibers in ASSBs deliver a reversible capacity of about 700 mAh g −1 over 70 cycles with CEs up to 99.2 % in half-cells. 43 The nanostructured Si−C composites used in this study offering a void between the silicon nanoparticle ...

Stable high-capacity and high-rate silicon-based lithium battery …

Silicon is a promising anode material for lithium-ion and post lithium-ion batteries but suffers from a large volume change upon lithiation and delithiation.

A review of recent developments in Si/C composite materials for Li-ion ...

Rechargeable lithium batteries play an increasingly significant role in our daily lives. Hence, the development of high capacity secondary lithium batteries has become a research hotspot. In the past decade, silicon has been extensively studied as anode material for Li-ion batteries because of its extremely high specific capacity. However, the dramatic volume …

Comparison of commercial silicon-based anode materials for the …

Silicon (Si) is considered a potential alternative anode for next-generation Li-ion batteries owing to its high theoretical capacity and abundance. However, the commercial use of Si anodes is hindered by their large volume expansion (∼ 300%). Numerous efforts have been made to address this issue. Among these efforts, Si-graphite co-utilization has attracted attention as …

Development on Silicon/Carbon Composite Anode Materials for Lithium-ion …

Si/C composite anode materials construct from silicon and carbon for Li-ion batteries, and can not only solve the big volume varaition of silicon and the low capacity of carbon in charge-discharge ...

A solid-state lithium-ion battery with micron-sized silicon anode ...

A solid-state lithium-ion battery with micron-sized silicon anode operating free from external pressure ... metal batteries enabled by silver–carbon composite anodes. ... expansion of lithium ...

Yolk-shell silicon/carbon composites prepared from aluminum-silicon …

Silicon is an attractive anode material for lithium-ion batteries due to its ultrahigh theoretical specific capacity. However, its commercial application is largely limited by the poor cycling stability due to its huge volume change during lithiation and delithiation. A low-cost method is developed to prepare yolk-shell silicon@void@carbon composite particles in this study. The …

Covalently Bonded Ball-Milled Silicon/CNT Nanocomposite as Lithium-Ion …

This facile method paves the way for the large-scale production of silicon/carbon composite anodes for lithium-ion batteries. Supplementary Materials. The following supporting information can be downloaded at: ... "Covalently Bonded Ball-Milled Silicon/CNT Nanocomposite as Lithium-Ion Battery Anode Material" Batteries 8, no. 10: 165. https ...

Dual-carbon enhanced silicon-based composite as superior anode material ...

Recently, silicon-based materials have drawn considerable attention as one type of promising anode candidates for the next-generation high-energy lithium-ion batteries (LIBs) because of its high theoretical capacity of 4200 mAh g −1, which is above eleven times higher than that (372 mAh g −1) of graphite [1], [2], [3].Furthermore, it owns lots of advantages for …

Nanostructured Si C Composites As High-Capacity Anode …

nar silicon structures[27,28] are a viable anode system. To further improve the mechanical stability and the conductivity of the silicon anode, several composites of the silicon nanostructures with carbon,[18,29] transition metal oxides like TiO 2, [30] metals,[31] and polymers[32] have been designed. However, these compo-

Production of high-energy Li-ion batteries comprising silicon ...

Lithium-ion batteries (LIBs) utilising graphite (Gr) as the anode and lithium cobalt oxide (LiCoO 2, LCO) as the cathode have subjugated the battery market since their …

Silicon/Graphite/Amorphous Carbon as Anode Materials for Lithium …

Although silicon is being researched as one of the most promising anode materials for future generation lithium-ion batteries owing to its greater theoretical capacity (3579 mAh g−1), its practical applicability is hampered by its worse rate properties and poor cycle performance. Herein, a silicon/graphite/amorphous carbon (Si/G/C) anode composite material …

Silicon-carbon composite anode for lithium-ion batteries

The present invention describes a silicon-carbon composite anode tor lithium-ion batteries comprising 40-80 weight % of silicon particles, 10-45 weight % of carbon, consisting of carbon black and graphite, and a combination of carboxy-methyl cellulose (CMC) and styrene butadiene rubber (SB.R) as a binder. The invention also comprises a method of manufacturing the anode …

Multi-scale design of silicon/carbon composite anode materials …

Constructing silicon/carbon composites is considered a powerful strategy for improving the LIBs electrochemical performance. In this approach, the variation in component dimensions and the mode of dimensional hybridization play crucial roles [22].Many types of carbon materials such as graphite [23], [24], carbon nanotubes (CNTs) [25], [26], carbon …

Preparation and lithium storage properties of core–shell silicon carbon ...

When used as the anode of a lithium-ion battery, the silicon carbon composite material showed excellent electrochemical properties: the first discharge-specific capacity was 1610.4 mAh/g, and the first coulomb efficiency was 79.7%. ... Preparation of silicon carbon composite materials: 0.5 g SNT powder and 0.064 g bitumen were dissolved in ...

A solid-state lithium-ion battery with micron-sized silicon anode ...

Applying high stack pressure (often up to tens of megapascals) to solid-state Li-ion batteries is primarily done to address the issues of internal voids formation and subsequent …

Colloidal Synthesis of Silicon–Carbon Composite Material for Lithium …

Colloidal Synthesis of Silicon–Carbon Composite Material for Lithium-Ion Batteries. Haiping Su, Haiping Su. State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Meilong Rd, Shanghai, 200237 P.R. China ... We report colloidal routes to synthesize silicon@carbon composites for the first time. Surface ...

A Double Core-shell Structure Silicon Carbon Composite Anode Material …

Silicon with high theoretical specific capacity is a promising anode material, but the poor electronic conductivity and excessive volume expansion hinder its practical application. In order to solve this problem, a novel double core-shell structure composite Si/G/C-CVD coated by pitch pyrolysis and CVD (Chemical Vapor Deposition) carbon has been prepared. In the …

Porous Carbon-Coated Silicon Composites for High Performance Lithium …

anode materials for practical high-energy lithium-ion battery applications, Energy Fuel 35 (2) (2020) 944 – 964 . [14] C. Wang, X. Niu, D. Wang, et al., Simple preparation of Si/CNTs/C composite

Top‐Down Synthesis of Silicon/Carbon Composite Anode Materials …

Step up the top down: Although silicon is an attractive anode material for high-energy lithium-ion batteries, large-scale synthesis of silicon anodes with good cyclability remains a significant challenge this Review, recent advances on the scalable "top-down" approaches for synthesis of nanostructured or sub-micrometer-grain-size porous Si/C anode materials for …

Innovative Solutions for High-Performance Silicon Anodes in Lithium-Ion …

Silicon (Si) has emerged as a potent anode material for lithium-ion batteries (LIBs), but faces challenges like low electrical conductivity and significant volume changes during lithiation/delithiation, leading to material pulverization and capacity degradation. Recent research on nanostructured Si aims to mitigate volume expansion and enhance electrochemical …

Effect of Graphene on the Performance of Silicon–Carbon Composite …

Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications.

Multi-scale design of silicon/carbon composite anode materials for ...

Multi-scale design of silicon/carbon composite anode materials for lithium-ion batteries is summarized on the basis of interface modification, structure construction, and …

A high-performance silicon/carbon composite as …

To overcome the existing rapid capacity decay, low conductivity and the expands and contracts in volume of Si/C composite anodes in lithium ion batteries, we have developed a silicon/carbon composite by spray drying and …

The pitch-based silicon-carbon composites fabricated by …

DOI: 10.1016/j.jallcom.2020.156025 Corpus ID: 224918740; The pitch-based silicon-carbon composites fabricated by electrospraying technique as the anode material of lithium ion battery

The preparation of graphite/silicon@carbon composites for lithium-ion …

High-specific-capacity materials are crucial for the high-energy-density lithium-ion secondary batteries as the automakers and customers are both eager to extend the cruising range of electric vehicles. The current commercial silicon/carbon composites are based on the mechanical mixture of silicon and graphite, but this weak combination is not suitable for the …

(PDF) Fabrication of Silicon/Carbon Composite Material with Silicon …

Fabrication of Silicon/Carbon Composite Material with Silicon Waste and Carbon Nanofiber Applied in Lithium-Ion Battery January 2022 Journal of Environmental Protection 13(1):150-160

Silicon/carbon composites based on natural microcrystalline

Silicon/carbon composite is considered as one of the most potential anode materials to be commercialized because of silicon''s high specific capacity and carbon''s stability. Natural microcrystalline graphite features abundant resources, low price, and high stability. In consideration of these, it is an ingenious strategy to combine natural microcrystalline graphite …

Structures and properties of carbon-doped silicon as anode material …

Gao et al. [29] simulated the diffusion of lithium in silicon/carbon composite materials. It was found that the carbon material increased the diffusion of Li in silicon. ... Recent progress on silicon-based anode materials for practical lithium-ion battery applications. Energy Storage Mater., 15 (15) (2018), pp. 422-446. View PDF View article ...

High performance silicon carbon composite anode materials for lithium ...

The electrode recipes using Si/C composites as active materials were: 5% Super-P + 10% PVDF + 85% silicon carbon composite.After coating, the electrodes were pressed and then dried for 8 h at 120 °C in an oven.Several different recipes were used for …