Silicon/graphene composites are recently received more attention as promising negative electrode materials for the next generation lithium-ion batteries (LIBs) due to the synergistic effect of silicon and graphene. Silicon can provide high specific charge capacity, relatively low discharge potential, environmental compatibility and …
A commercial carbon was selected to be the supported substrate and then the nano-Si was deposited using a CVD method from silane. Fig. S1 a–b shows the SEM images of PHC, …
Silicon is a promising negative electrode material with a high specific capacity, which is desirable for commercial lithium-ion batteries. It is often blended with graphite to form a composite anode to extend lifetime, however, the electrochemical interactions between silicon and graphite have not been fully investigated.
Her research interests focus on lithium ion batteries, especially the silicon-based composites as negative electrode for high energy. Le Shao is a researcher of New Energy Technology Department, Shaanxi Coal …
Multi-walled carbon Nanotubes (MWCNTs) are hailed as beneficial conductive agents in Silicon (Si)-based negative electrodes due to their unique features …
First, ball milled the ethanol solution with silicon for 4 h at 1200 r min −1 and 6 h at 850 r min −1 to get evenly dispersed slurry of nano-silicon (the mass of silicon is 7.2 Kg), then add the ethanol slurry of nano-silicon and solid graphite (9.16 Kg) into stirring pot and stirred for half an hour, the solid content was controlled at 20%.
Silicon is an attractive anode material for lithium-ion batteries. However, silicon anodes have the issue of volume change, which causes pulverization and subsequently rapid capacity fade. Herein, we report …
This article introduces the current design ideas of ultra-fine silicon structure for lithium batteries and the method of compounding with carbon materials, and reviews the research progress of the performance of silicon-carbon composite negative …
In order to examine whether or not a silicon electrode is intrinsically suitable for the high-capacity negative electrode in lithium-ion batteries, 9–13 a thin film of silicon formed on copper foil is examined in a lithium cell. Figure 1 shows the charge and discharge curves of a 1000 nm thick silicon electrode examined in a lithium cell.
Carbon-Free Conversion of SiO2 to Si via Ultra-Rapid Alloy Formation: Toward the Sustainable Fabrication of Nanoporous Si for Lithium-Ion Batteries. ACS Applied Materials & Interfaces 2023, 15 …
Silicon is considered as one of the most promising candidates for the next generation negative electrode (negatrode) materials in lithium-ion batteries (LIBs) due to its high theoretical specific capacity, appropriate lithiation potential range, and fairly abundant resources. However, the practical application of silicon negatrodes is …
Silicon (Si) is one of the most promising candidates for application as high-capacity negative electrode (anode) material in lithium ion batteries (LIBs) due to its high specific …
Supercapacitors and batteries are among the most promising electrochemical energy storage technologies available today. Indeed, high demands in energy storage devices require cost-effective fabrication and robust electroactive materials. In this review, we summarized recent progress and challenges made in the development of mostly …
Fig. 1. Typical S/C based anode for lithium-ion batteries [7]. 4 For Si/C composite, there are some kind of choice of the carbon resources, such as polystyrene (PS), polyvinyl alcohol (PVA), polyvinyl chloride (PVC), etc. Catherine et al. used SiCl 4 as a silicon
Silicon (Si) is a promising negative electrode material for lithium-ion batteries (LIBs), but the poor cycling stability hinders their practical application. Developing favorable Si nanomaterials is expected …
Recent Advances in the Structural Design of Silicon ...
The cycling of silicon anodes within a lithium-ion battery (LIB) leads to degradation and capacity fade due to the 280% volume change of silicon. Many avenues of silicon synthesis ...
Then, the research progress of ZIHCs with carbon-based cathode materials is comprehensively described, such as the improvement project of activated carbon, biomass carbon, and other materials. Besides, the effects of electrode structure design and emerging electrolyte systems on the electrochemical performance of ZIHCs …
Production of high-energy Li-ion batteries comprising ...
Silicon (Si) is one of the most promising candidates for application as high-capacity negative electrode (anode) material in lithium …
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 ...
Electrode Materials for Sodium-Ion Batteries
The development of negative electrode materials with better performance than those currently used in Li-ion technology has been a major focus of …
Song et al. [121] prepared a tubular silicon nanotube array as a negative electrode material for lithium batteries. Its cycle stability is better than SiNWs, and it shows an initial coulombic efficiency of more than 85%.
Energy Storage Science and Technology ›› 2020, Vol. 9 ›› Issue (2): 569-582. doi: 10.19799/j.cnki.2095-4239.2020.0012 Previous Articles Next Articles Research progress on nano silicon-carbon anode materials for lithium ion battery ZHOU Junhua 1, LUO Fei 1, CHU Geng 1, LIU Bonan 2, LU Hao 2, ZHENG Jieyun 1, 3, 4, LI Hong 1, 3, 4, 5 (), …
Intensive efforts aiming at the development of a sodium-ion battery (SIB) technology operating at room temperature and based on a concept analogy with the ubiquitous lithium-ion (LIB) have emerged in the last few years. 1–6 Such technology would base on the use of organic solvent based electrolytes (commonly mixtures of …
Silicon-carbon materials have broad development prospects as negative electrode materials for lithium-ion batteries. In this paper, polyvinyl butyral (PVB)-based …
In situ-formed nitrogen-doped carbon/silicon-based materials as negative electrodes for lithium-ion batteries October 2021 Journal of Electroanalytical Chemistry 901(4):115732
Section snippets High-energy Li-ion anodes In the search for high-energy density Li-ion batteries, there are two battery components that must be optimized: cathode and anode. Currently available cathode materials for Li-ion batteries, such as LiNi 1/3 Mn 1/3 Co 1/3 O 2 (NMC) or LiNi 0.8 Co 0.8 Al 0.05 O 2 (NCA) can provide practical specific …
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