[PDF] Top 20 One-Step Synthesis of Co@C Composite as High-Performance Anode Material for Lithium-ion Batteries

... of C and Co@C, shown in Figure 4(b), the discharge voltage platform increased to ...with lithium ions during the charge/discharge process, which is beneficial to the reversible ...of ... See full document

... products are non-toxic, meanwhile, the methods are green, gentle and energy saving. The resulting materials are characterized by XRD, SEM and TG. The composite materials deliver a stable reversible capacity of 500 ... See full document

... SiCN-graphite composite has no distinct crack, in favor of electron ...SiCN material which is benefited to the resistance of capacity decay during ... See full document

... The CV curves of the three samples are showed in Fig. 5(a)-(c). We can see that the curves exhibit a couple of oxidation/reduction peaks. The oxidation peak at approximately 4.3 V and the reduction peak at ... See full document

... metal lithium [3], which easily leads to the growth of lithium dendrite on anode surface and consequently incites short circuit and explosion at high rate charge/discharge ...problem, ... See full document

... performance, ac impedance measurements were performed after 3 cycles, as shown in Figure 7. The impedance spectra present a semicircular arc at middle frequencies and a sloped-line-like diffusion behaviour at low ... See full document

... nano-Ge anode material, an increase of 89 ...Ge anode, which can enhance the structure stability of electrode, and facilitate the fast diffusion of the electrons through the interface ... See full document

... novel high capacity nano-Si modified graphite composite electrode material for lithium ion ...a C coating in the sintering ...graphite composite was investigated using ... See full document

... electrochemical performance of the sample, in agreement with the previously reported literature ...electrochemical performance of the material, but Coulomb efficiency of the first cycle does not have ... See full document

... and high-resolution transmission electron microscopy. The anode body was doctor bladed using maghemite with carbon black and polyvinylidene difluoride ...Electrochemical performance of this ... See full document

... the performance of silicon electrode, because this can lead to the decrease of macroscopic volume changes of the materials to avoid crack formation and consequent degradation ...Fe–Si, Co–Si, Ni–Si, Cr–Si, ... See full document

... Moreover, the radius of Ni 2+ (0.69 A ) is similar to that of Li + (0.76 A ), cation disorder between Ni 2+ and Li + may hinder Li + intercalation/deintercalation during charge/discharge. Moreover, according to Ohzuku ... See full document

... It is confirmed that making nano-size particles cannot improve the cyclability of the Si materials effectively[14], because the nano-size particles may aggregate to reunite after a few cycles. However, using elastic ... See full document

... chemical synthesis method using graphite oxide (GO) and SiO nanopaticles as the ...in high efficient attritor mill (Union Process, type 01-HD/HDDM) with intensive rotation speed at 2000 rpm for 2 ...the ... See full document

... include synthesis of nanoparticles, synthesis of nanohybrids combining nanocarbons (graphene and carbon nanotubes) with nanoparticles, and developing environment and energy applications using ... See full document

... carbon material, is an ideal matrix for growing and anchoring nanomaterials for energy storage due to its superior electrical conductivity, high surface-to-volume ratio, ultrathin thickness, structural ... See full document

... ALD technique was used to grow ZnO layers due to its capability of preparing uniform and conformal thin films as well as excellent thickness controllability and good step coverage on complex structures [24, 25]. ... See full document

... electrochemical performance of the TOS/G composite, the comparison of electrochemical performance for similar anode materials is listed in Table ...cycle performance among these ... See full document

... carbonaceous material with high electronic conductivity and large specific surface ...electrode performance of Si through the use of carbon coating and graphene has been reported ... See full document

... the presence of larger, irregular Cu particles, which prevents aggregation of nanoparticles before discharge (Fig. 10a). A dense SEI layer was formed on the surface of the electrode after 10 cycles, and volume expansion ... See full document