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Silicon carbon composite anode materials for lithium-ion batteries


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Carbon-coated silicon/graphite oxide composites as anode materials

Here, we prepared silicon/reduced graphene oxide/amorphous carbon (Si/G/C) anode materials for lithium-ion batteries using a facile synergistic cladding layer. The protective effect of different carbon layers was explored and it was found that ternary composites have excellent electrochemical properties.

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Semimicro-size agglomerate structured silicon-carbon composite

A semimicro-size agglomerate structured silicon-carbon (mSi-C) composite is constructed by an aggregation of silicon nanoparticles (∼100 nm) coated with conductive carbon layer through a facile and scalable aerosol-assisted process to be employed as an anode material for lithium-ion batteries (LIBs).As-formed mSi-C composite delivers good electrochemical

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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. The resulting

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Research progress on silicon/carbon composite anode materials for

Silicon (Si) has been considered as one of the most promising anode material for the next generation lithium-ion batteries (LIBs) with high energy densities, due to its high theoretical capacity, abundant availability and environmental friendliness.However, silicon materials with low intrinsic electric and ionic conductivity suffer from huge volume variation during

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Exploring the practical applications of silicon anodes: a review of

The increasing demand for high energy density batteries has spurred the development of the next generation of lithium-ion batteries. Silicon (Si) materials have great potential as anode materials in such batteries owing to their ultra-high theoretical specific capacities, natural abundance, and environmental friendliness. However, the large volume expansion and poor conductivity of Si

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High capacity silicon/carbon composite anode materials for lithium ion

Silicon/carbon composite materials are prepared by pyrolysis of pitch embedded with graphite and silicon powders. As anode for lithium ion batteries, its initial reversible capacity is 800–900 mAh/g at 0.25 mA/cm 2 in a voltage range of 0.02/1.5 V vs. Li. The material modification by adding a small amount of CaCO 3 into precursor improves the initial

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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

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Recent Advances in the Structural Design of Silicon/Carbon Anodes

As the capacity of lithium-ion batteries (LIBs) with commercial graphite anodes is gradually approaching the theoretical capacity of carbon, the development of silicon-based anodes, with higher energy density, has attracted great attention. However, the large volume variation during its lithiation/de-lithiation tends to lead to capacity decay and poor cycling

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Solutions for the problems of silicon–carbon anode materials for

Among advanced anode materials applied to lithium-ion batteries, silicon–carbon anodes have been explored extensively due to their high capacity, good operation potential, environmental friendliness and high abundance. From table 3, we can clearly see that the silicon–carbon composite anode materials with different components can

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Graphene enhanced silicon/carbon composite as anode for high

Silicon-based anode materials for lithium ion batteries (LIBs) have become a hot research topic due to their remarkably high theoretical capacity (4200 mA h g−1). However, the large volume change (>300%) of Si electrodes during the lithium ion insertion/extraction process leads to a rapid decay of the reversible ca

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Silicon/carbon nanocomposite pyrolyzed from phenolic resin as anode

Silicon has been considered as a promising anode material for lithium-ion batteries due to its much higher specific capacity (4200 mAh g −1) than the commercial graphite (372 mAh g −1) [1].Nevertheless, the most critical drawback of silicon-based anode is the large volume expansion–contraction during the lithium alloying–dealloying process, which eventually leads

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Silicon/Carbon Composite Anode Materials for Lithium-Ion Batteries

Silicon (Si) is a representative anode material for next-generation lithium-ion batteries due to properties such as a high theoretical capacity, suitable working voltage, and high natural abundance.

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Why should you choose Amprius technologies'' silicon anode batteries?

Amprius Technologies'' silicon anode batteries have helped set multiple endurance records. Amprius batteries provide more run time and much longer range. Providing market leading silicon anode cells for battery packs, enabling much longer mission time. Learn how we are leading the electrification movement.

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

A honeycomb-cobweb inspired hierarchical coreeshell structure design for electrospun silicon/carbon fibers as lithium-ion battery anodes. Research progress on silicon/carbon composite anode materials for lithium-ion battery. J. Energy Chem., 27 (2018), pp. 1067-1090. View PDF View article View in Scopus Google Scholar

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Nanostructured Si−C Composites As High‐Capacity Anode Material

Silicon carbon void structures (Si−C) are attractive anode materials for lithium-ion batteries to cope with the volume changes of silicon during cycling. In this study, Si−C with varying Si contents (28–37 %) are evaluated in all-solid-state batteries (ASSBs) for the first time. Silicon carbon composites have only been rarely analyzed

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Silicon/Carbon Composite Anode Materials for Lithium‐Ion

Silicon (Si) is a representative anode material for next-generation lithium-ion batteries due to properties such as a high theoretical capacity, suitable working voltage, and high natural

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Carbon-based materials as anode materials for lithium-ion batteries

Germanium (Ge) has similar electrochemical properties to silicon. However, when Ge is used thermal annealing method for synthesizing phosphorus-doped graphene with enhanced electrochemical properties for use as anode materials in lithium-ion batteries. MXenes, MOFs), composites designed from carbon materials with new materials have

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Can a silicon anode increase battery energy density?

While Amprius is pursuing a pure silicon anode, OneD hopes to increase battery energy density by infusing silicon nanowires into graphite powder. CEO Vincent Pluvinage says the approach allows customers to make more, and better, batteries with the same amount of graphite. "You have a lighter, smaller battery," he says.

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Porous carbon-coated silicon composites for high performance lithium

With the rapid development of silicon-based lithium-ion battery anode, the commercialization process highlights the importance of low-cost and short-flow production processes.The porous carbon/silicon composites (C/Si) are prepared by one-step calcination using zinc citrate and nano-silicon as the primary raw materials at a temperature of 950 °C.

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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

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Silicon/graphite/amorphous carbon composites as anode materials

Silicon is considered one of the next generation''s most promising anode materials owing to its primary advantages, which include: (1) a specific capacity of up to 3580 mAh g-1; (2) biocompatibility and wide distribution; (3) a redox potential of only 0.4 V vs. Li/Li +; (4) minimal particle agglomeration during lithiation/de-lithiation; (5) relative stability of the amorphous

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Innovative Solutions for High-Performance Silicon Anodes in

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

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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 has been

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Facile preparation of micron-sized silicon-graphite‑carbon composite

Nanocomposites of silicon and carbon derived from coal tar pitch: cheap anode materials for lithium-ion batteries with long cycle life and enhanced capacity. Electrochim. Acta, 93 (2013) Cyclability study of silicon-carbon composite anodes for lithium-ion batteries using electrochemical impedance spectroscopy. Electrochim. Acta, 56 (2011)

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Silicon/carbon nanotubes anode for lithium-ion batteries:

Silicon/carbon composite has been a promising anode material for lithium-ion batteries (LIBs). Carbon nanotubes (CNTs) possess high electrical conductivity, specific area, and mechanical strength, holding great potential for constructing advanced Si/C anode materials. However, the unstable interface and tricky synthesis processes hinder

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Silicon/Carbon Composite Anode Materials for Lithium-Ion Batteries

Silicon (Si) is a representative anode material for next-generation lithium-ion batteries due to properties such as a high theoretical capacity, suitable working voltage, and

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Electrochemical investigation of silicon/carbon composite as anode

In recent years, the graphitizating and non-graphitizating carbon materials such as natural graphite, artificial graphite [], active carbon [], pitch cokes [], and carbon fibres [] were investigated for use as anodes in rechargeable lithium batteries.Moreover, silicon and tin-based materials, which possess high theoretical capacities in comparison with typical graphite anode,

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Recent advances of silicon, carbon composites and tin oxide as

The effect of ethyl cellulose coating on the surface of silicon–carbon composite as lithium anode material. J. Mater. Sci. - Mater. Electron., 31 (2020), pp. 11238-11246. Preparation of mesocarbon microbeads as anode material for lithium-ion battery by thermal polymerization of a distillate fraction from an FCC slurry oil after hydro

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Silicon-Carbon composite anodes from industrial battery grade

In this work, silicon/carbon composites for anode electrodes of Li-ion batteries are prepared from Elkem''s Silgrain® line. Gentle ball milling is used to reduce particle size of

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Novel scalable synthesis of porous silicon/carbon composite as anode

A novel method for scalable fabricating porous silicon/carbon composite as anode material for lithium-ion batteries is reported in this article. Diatomite is used as a raw material for synthesis of porous silicon via combining mechanical ball milling with magnesiothermic reduction method, employing NaCl as a heat scavenger.

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Preparation and electrochemical properties of core-shelled silicon

Abstract In this paper, core-shelled silicon–carbon composites as anode materials for lithium-ion batteries (LIBs) are prepared by a cost-effective method of the combined mechanical ball milling and high-temperature heat treatment. The microstructures and morphologies of such anode materials with different silicon contents are characterized by

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Synthesis Methods of Si/C Composite Materials for Lithium-Ion

Silicon anodes present a high theoretical capacity of 4200 mAh/g, positioning them as strong contenders for improving the performance of lithium-ion batteries. Despite their

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Synthesis of double core-shell carbon/silicon/graphite composite anode

Silicon is considered to be a potential anode material for rechargeable lithium-ion batteries because of its high theoretical capacity of 4200 mAh/g and low working potential, below 0.5 V (V vs. Li + /Li) which is ten times higher than that of graphite anode (372 mAh/g). However, during lithiation/delithiation processes of the battery, Si-based anode suffers from the low

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About Silicon carbon composite anode materials for lithium-ion batteries

About Silicon carbon composite anode materials for lithium-ion batteries

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