A novel microstructure
of anode materials for lithium-ion batteries
with ternary components, comprising tin (Sn), rice husk-derived silica
(SiO
2
), and bronze-titanium dioxide (TiO
2
(B)),
has been developed. The goal of this research is to utilize the nanocomposite
design of rice husk-derived SiO
2
and Sn nanoparticles self-assembled
on TiO
2
(B) nanorods, Sn–SiO
2
@TiO
2
(B), through simple chemical route methods. Following that,
the microstructure and electrochemical performance of as-prepared
products were investigated. The major patterns of the X-ray diffraction
technique can be precisely indexed as monoclinic TiO
2
(B).
The patterns of SiO
2
and Sn were found to be low in intensity
since the particles were amorphous and in the nanoscale range, respectively.
Small spherical particles, Sn and SiO
2
, attached to TiO
2
(B) nanorods were discovered. Therefore, the influence mechanism
of Sn–SiO
2
@TiO
2
(B) fabrication was proposed.
The Sn–SiO
2
@TiO
2
(B) anode material performed
exceptionally well in terms of electrochemical and battery performance.
The as-prepared electrode demonstrated outstanding stability over
500 cycles, with a high discharge capacity of ∼150 mA h g
–1
at a fast-charging current of 5000 mA g
–1
and a low internal resistance of around 250.0 Ω. The synthesized
Sn–SiO
2
@TiO
2
(B) nanocomposites have a
distinct structure, the potential for fast charging, safety in use,
and good stability, indicating their use as promising and effective
anode materials in better power batteries for the next-generation
applications.
Novel anode materials for lithium-ion batteries, nanocomposites of Sn (or SnO2) and SiO2 with graphene-based sheets (GO, rGO and NrGO), were synthesized by a facile and low-cost technique. The capacity of all composites was relatively high as compared to traditional graphite.
This study investigates the effect of CoO and Fe2O3 dopant on phase, microstructure and ferroelectric properties of BCZT ceramics with the formula of Ba0.85Ca0.15Zr0.1(Ti1‐xCox)0.9O3 and Ba0.85Ca0.15Zr0.1(Ti1‐xFex)0.9O3 where x = 0, 0.01, and 0.03. The XRD patterns presented that the pure perovskite phases are observed regardless of the amount of CoO and Fe2O3 added. Rietveld analysis shows that the tetragonal phase is observed in all patterns and the unit cell volume slightly expanded by the CoO addition while it is distorted with increasing Fe2O3 addition. The average grain sizes decreased upon CoO and Fe2O3 addition. It is found that the doping of CoO and Fe2O3 caused the transition temperature to shift to lower temperature. The optimum ferroelectric and dielectric properties can be achieved for the BCZT‐0.01Co ceramics. This study shows that while small doping with Co and Fe can enhance different properties of BCZT with lower processing temperature, the properties should be further optimized by chemical modification.
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