In this study, two-electrode batteries were prepared using Si/CNF/rGO and Si/rGO composite materials as negative electrode active materials for LIBs.
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.
Spray drying method for large-scale and high-performance silicon negative electrodes in Li-ion batteries Nano Lett., 13 ( 2013 ), pp. 2092 - 2097 Crossref View in Scopus Google Scholar
An application of thin film of silicon on copper foil to the negative electrode in lithium-ion batteries is an option. 10–12 However, the weight and volume ratios of copper to silicon become larger, and consequently a high-capacity merit of silicon electrode is spoiled. To avoid this problem, the silicon-negative electrode is made …
Because of its high specific capacity, silicon is regarded as the most promising candidate to be incrementally added to graphite-based negative electrodes in lithium-ion batteries. However, silicon suffers from significant volume changes upon (de-)lithiation leading to continuous re-formation of the solid electrolyte interphase (SEI) and ongoing active …
Silicon (Si) is a potential candidate as an active material for the negative electrode in lithium-ion batteries (LIBs) due to its high theoretical capacity of 3580 mA h g-1 (Li 3.75 Si). 1,2 However, a significant change in volume of Si occur during charge (lithiation) and discharge (delithiation) reactions. 3 The expansion ratio per Si atom from …
Si and Si-based materials have been attracted as a negative electrode for lithium-ion batteries in the last decades primarily due to both one order of magnitude larger theoretical capacity (3579 mAh g −1) compared to that of graphite (372 mAh g −1) and their natural abundance. 1–9 However, considerably large volume change (>280%) 10 of …
Si/C Composites as Negative Electrode for High Energy Lithium Ion Batteries. Yi Zhang, Yi Zhang. College of Energy and Institute for Electrochemical Energy Storage, Nanjing Tech University, Nanjing, Jiangsu 211816, China ... Silicon is very promising negative electrode materials for improving the energy density of lithium-ion …
The electrochemical reaction at the negative electrode in Li-ion batteries is represented by x Li + +6 C +x e − → Li x C 6 The Li +-ions in the electrolyte enter between the layer planes of graphite during charge (intercalation).The distance between the graphite layer planes expands by about 10% to accommodate the Li +-ions.When the cell is …
Multi-walled carbon Nanotubes (MWCNTs) are hailed as beneficial conductive agents in Silicon (Si)-based negative electrodes due to their unique features …
The synthesis, characterization, and performance of a binder-free negative electrode for a lithium-ion battery, consisting of renewable biopolymer lignin and silicon nanoparticles, are reported. By mixing, coating, and subsequent pyrolization, we fabricated uniformly interconnected core–shell composite films of Si/
Lithium ion battery degradation: what you need to know
Graphite currently serves as the main material for the negative electrode of lithium batteries. Due to technological advancements, there is an urgent need to develop …
A composite electrode model has been developed for lithium-ion battery cells with a negative electrode of silicon and graphite. The electrochemical interactions between silicon and graphite are handled by two parallel functions for lithium …
Effect of phosphorus-doping on electrochemical performance of silicon negative electrodes in lithium-ion batteries ACS Appl Mater Interfaces, 8 ( 2016 ), pp. 7125 - 7132, 10.1021/acsami.6b00386 View in Scopus Google Scholar
Lithium-ion battery
In this work, the feasibility of Li-rich Li-Si alloy is examined as a lithium-containing negative electrode material. Li-rich Li-Si alloy is prepared by the melt-solidification of Li...
Alloy-negative electrodes such as silicon have been investigated for decades for use in Li-ion batteries 6,7,8,9, and silicon is currently being incorporated in small fractions to boost the ...
DOI: 10.1016/J.JPOWSOUR.2015.10.009 Corpus ID: 93444923; High-strength clad current collector for silicon-based negative electrode in lithium ion battery @article{Kataoka2016HighstrengthCC, title={High-strength clad current collector for silicon-based negative electrode in lithium ion battery}, author={Riki Kataoka and Yoshimitsu …
Silicon holds a great promise for next generation lithium-ion battery negative electrode. However, drastic volume expansion and huge mechanical stress lead to poor cyclic stability, which has been one of the major drawbacks to …
DOI: 10.1021/acs emmater.9b03173 Corpus ID: 213665815 Tailoring Electrolyte Additives with Synergistic Functional Moieties for Silicon Negative Electrode-Based Lithium Ion Batteries: A Case Study on Lactic Acid O-Carboxyanhydride Silicon, as potential next ...
In addition, the lower discharge platform (0.1 V) helps to avoid the formation of lithium dendrites on the electrode surface. However, silicon negative electrode materials suffer from serious volume effect (∼300%) in the Li-ion charge-discharge process, leading to subsequent pulverization of silicon [3,11,13].
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 …
Silicon is considered as a promising negative electrode active material for Li-ion batteries, but its practical use is hampered by its very limited electrochemical cyclability arising from its major volume change upon cycling, which deteriorates the electrode architecture and the solid–electrolyte interphase. In this Perspective, we aim at …
High-tap-density silicon nanomaterials are highly desirable as anodes for lithium ion batteries, due to their small surface area and minimum first-cycle loss. However, this material poses formidable challenges to polymeric binder design. Binders adhere on to the small surface area to sustain the dra …
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 …
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