Silicon-based electrodes offer a high theoretical capacity and a low cost, making them a promising option for next-generation lithium-ion batteries. However, their practical use
AI Customer ServiceThere is an urgent need to explore novel anode materials for lithium-ion batteries. Silicon (Si), the second-largest element outside of Earth, has an exceptionally high specific capacity (3579
AI Customer ServicePrelithiation conducted on MWCNTs and Super P-containing Si negative electrode-based full-cells has proven to be highly effective method in improving key battery
AI Customer Service1 Introduction. Among the various Li storage materials, 1 silicon (Si) is considered as one of the most promising materials to be incorporated within negative
AI Customer ServiceLarge volume variation during charge/discharge of silicon (Si) nanostructures applied as the anode electrodes for high energy lithium-ion batteries (LIBs) has been
AI Customer ServiceThe well-known lithium-ion battery, which utilizes lithium-containing metal compounds in the cathode and carbon (graphite) in the anode [13], and it can absorb and
AI Customer ServiceThis leads to the exposure of the new electrode surface, which is beneficial to the growth of SEI. the disappearance of the intermediate frequency peak in the phase angle Bode
AI Customer ServiceOne-to-one comparison of graphite-blended negative electrodes using silicon nanolayer-embedded graphite versus commercial benchmarking materials for high-energy
AI Customer ServiceDuring the initial lithiation of the negative electrode, as Li ions are incorporated into the active material, the potential of the negative electrode decreases below 1 V (vs. Li/Li
AI Customer ServiceWe report the interfacial study of a silicon/carbon nanofiber/graphene composite as a potentially high-performance anode for rechargeable lithium-ion batteries (LIBs).
AI Customer ServiceLarge volume variation during charge/discharge of silicon (Si) nanostructures applied as the anode electrodes for high energy lithium-ion batteries (LIBs) has been
AI Customer ServiceWe proposed rational design of Silicon/Graphite composite electrode materials and efficient conversion pathways for waste graphite recycling into graphite negative
AI Customer ServiceCharge and discharge curves of the laminate-type lithium-ion battery consisting of "SiO"-carbon composite-negative and layered-positive electrodes examined in voltage
AI Customer Service4 天之前· Silicon has attracted attention as a high-capacity material capable of replacing graphite as a battery anode material. However, silicon exhibits poor cycling stability owing to particle
AI Customer ServiceDuring the initial lithiation of the negative electrode, as Li ions are incorporated into the active material, the potential of the negative electrode decreases below 1 V (vs. Li/Li +) toward the reference electrode (Li metal),
AI Customer ServiceAs silicon–carbon electrodes with low silicon ratio are the negative electrode foreseen by battery manufacturers for the next generation of Li-ion batteries, a great effort has to be made to improve their efficiency and
AI Customer ServiceSince the commercialization of lithium-ion secondary batteries (LIBs) carried out by Sony in 1991 [], LIBs have played increasingly important roles in the portable electronic
AI Customer ServicePrelithiation conducted on MWCNTs and Super P-containing Si negative electrode-based full-cells has proven to be highly effective method in improving key battery
AI Customer ServiceWe have developed a method which is adaptable and straightforward for the production of a negative electrode material based on Si/carbon nanotube (Si/CNTs) composite
AI Customer ServiceThe complexation of silicon with carbon materials is considered an effective method for using silicon as an anode material for lithium-ion batteries. In the present study,
AI Customer ServiceSilicon oxycarbides (SiO (4-x) C x, x = 1–4, i.e., SiO 4, SiO 3 C, SiO 2 C 2, SiOC 3, and SiC 4) have attracted significant attention as negative electrode materials due to
AI Customer ServiceSilicon oxycarbides (SiO (4-x) C x, x = 1–4, i.e., SiO 4, SiO 3 C, SiO 2 C 2, SiOC 3, and SiC 4) have attracted significant attention as negative electrode materials due to
AI Customer Service3D microsphere structure silicon‑carbon anode optimizes its performance in lithium-ion batteries by incorporating silicon and carbon materials into a 3D microsphere
AI Customer ServiceSilicon (Si) is a promising negative electrode material for lithium-ion batteries (LIBs), but the poor cycling stability hinders their practical application. Developing favorable Si
AI Customer ServiceWe have developed a method which is adaptable and straightforward for the production of a negative electrode material based on Si/carbon nanotube (Si/CNTs) composite for Li-ion batteries.
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.
Silicon oxides: a promising family of anode materials for lithium-ion batteries Si-C-O glass-like compound/exfoliated graphite composites for negative electrode of lithium ion battery Stable and efficient li-ion battery anodes prepared from polymer-derived silicon oxycarbide-carbon nanotube shell/core composites
Ulvestad, A., Mæhlen, J. P. & Kirkengen, M. Silicon nitride as anode material for Li-ion batteries: understanding the SiN x conversion reaction. J. Power Sources 399, 414–421 (2018). Ulvestad, A. et al. Substoichiometric silicon nitride—an anode material for Li-ion batteries promising high stability and high capacity. Sci. Rep. 8, 8634 (2018).
However, when silicon is used as a negative electrode material, silicon particles undergo significant volume expansion and contraction (approximately 300%) in the processes of lithiation and delithiation, respectively.
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.
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