[PDF] Top 20 Preparation of Encapsulated Sn-Cu@graphite Composite Anode Materials for Lithium-Ion Batteries

... the Sn-Cu@graphite ...of graphite electrode ...electrode, Sn-Cu@graphite electrode has thick layer of needle-like ...the Sn-Cu@graphite surface while ... See full document

... active materials, acetylene black and polyvinylidenetetrafluoroethylene (PVDF) binder in a weight ratio of 80:12:8, with N-methyl-2-pyrrodidene(NMP) as solvent and then pasted uniformly onto a copper foil and ... See full document

... carbon materials prepared by pyrolysis can be calculated from the peak-to-background ratio(R), where R refers to the ratio of the X- ray peak intensity to the background ... See full document

... nature [9–11]. However, poor cycling stability and rate capability, owing to the low conductivity and large volume changes during Li-ion insertion/extraction, have hampered the application of MnO [12, 13]. Many ... See full document

... replacement of PVdF by SBR-CMC really improves the cycling stability of NG-Si composite. Furthermore, the specific capacity charged at 1 C and 2 C shows little difference to that charged at 0.1C, indicating that ... See full document

... atmosphere or air. Their advantages are that the morphology and particle size of the particles are easy to control, low cost and perfect dispersion. Moreover, the industrialization is easy, and the prospect is broad [7, ... See full document

... The samples were initially characterised by X-ray diffraction using an X-ray diffraction analyzer with Cu-Kα radiation (XˊPert PRO, PANalytical). The surface chemical composition and the oxidation valence states ... See full document

... the preparation of spine shaped elementary Sn particles, though Sn particles with spherical morphology [8] or irregular shape [9] have been successfully produced in the previous ...of Sn ... See full document

... The composite of silicon carbonitride and graphite (SiCN-graphite) composite was synthesized by pyrolyzing the mixture of polysilylethylenediamine-derived amorphous SiCN and graphite ... See full document

... Fig 3a shows the cyclic performance curves of NiO and RGO/NiO. At this time, it is set as 200 times. The initial specific capacity of LIBs with NiO as the electrode material is about 490mAh/g. With the increase of the ... See full document

... Si anode in LIB ...mutual graphite slurry process, the key point is to improve the capability of Si-based electrode preparation processes since current LIB industry instruments are designed for ... See full document

... modified graphite composite contained both nano-Si and graphite ...for graphite were situated at approximately ...hexagonal graphite (PDF Card ...the preparation process had a ... See full document

... nano-Ge anode active material, which can bind the nano-Ge particles, reduce the volume effect during electrochemical cycling, and simultaneously improve the electronic conductivity of the Ge ... See full document

... Apparently, the matrix must have a good mechanical property to withstand the severe volume change of Si during cycling. Also, it should have high electronic conductivity to allow charge transfer reactions to take place. ... See full document

... of Sn-modified graphite anodes prepared at different bath temperatures are shown in Figure ...the Sn-based compound were distributed on the graphite surface, and their density and size ... See full document

... about Sn-Sb-Cu alloy anode materials, Yang et ...nanosized Sn-Sb-Cu alloys by co- reducing method but it was found that the discharge capacities of the materials showed ... See full document

... than graphite. However, like other conversion-based metal oxides anode materials, its implementation to lithium ion batteries is greatly hindered by its rate performances and ... See full document

... graphene, graphite, and carbon nanotubes[15-19], or alloying with metals (e.g., Sn-M, M=inactive Ni, Cu, ...of Sn anode. Such as 5 nm-Sn/C showed an initial discharge capacity of ... See full document

... the materials to avoid crack formation and consequent degradation ...Ca–Si, Cu-Si and Mg–Si etc ...while lithium insertion and ...Those composite materials exhibit improved cycle ... See full document

... the materials consist of Sn and C, with Sn completely encapsulated by ...of Sn particles and considerably improve the electrical conductivity of the ...The Sn/C anode ... See full document