Fast-Charging Anode Materials and Novel Nanocomposite Design of Rice Husk-Derived SiO₂ and Sn Nanoparticles Self-Assembled on TiO₂(B) Nanorods for Lithium-Ion Storage Applications

Abstract

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.

Enhanced Electrochemical Performance of Sn(SnO2)/TiO2(B) Nanocomposite Anode Materials with Ultrafast Charging and Stable Cycling for High-Performance Lithium-Ion Batteries

“…27,53 In fact, the pseudocapacitive storage of TiO 2 (B) was influenced by a combination of storage mechanisms, including faradaic storage, which proceeds closer to the surface, and the reaction is not diffusion-limited; hence, the process is fast, 18 while the nanostructures Sn and SnO 2 , which were attracted to the nanorod surface, provided the high Li storage effectively through the alloying process, resulting in a high specific capacity. 29 This appears to become the key to comprehending how rapidly these materials (pseudocapacitive) transport and store Li + . For a different perspective on these nanocomposites, the Sn(SnO 2 ) nanocomposite was not only synthesized using the same methods without TiO 2 (B) but it was also prepared as an electrode with the same composition.…”

“…They were subsequently adsorbed on the surface of TiO 2 (B) via dipole−dipole interaction forces and reduced to obtain Sn nanoparticles. 29 The chemical reaction depicted in eq 1 can be used to describe the formation of Sn nanocomposites.…”

“…Recently, TiO 2 (B) anodes with greater specific capacities than their theoretical values have been reported, with the improved capacity being mostly attributable to a synergistic effect with carbonaceous material , or other nanoparticles. , In the scenario of nanoparticle enhancement in composites, particularly those kinds of alloying/conversion anodes of Sn and SnO 2 , these materials have been provisionally addressed through nanoengineering together with effective distribution, where stresses generated from volume change can be partially released by the large surface area, thereby delaying structural failure significantly . This investigation has therefore emerged as a way toward modifying the electrochemical performance of TiO 2 (B) to hybridize with Sn and SnO 2 and assemble their nanocomposites.…”

Discharged Titanium Oxide Nanotube Arrays Coated with Ni as a High‐Performance Lithium Battery Electrode Material

“…Li-ion storage capacities of the Ni/TiO 2 NTs in this work and published TiO 2 electrodes are compared in Figure S4, Supporting Information. [22,24,[58][59][60][61][62][63] The Ni/TiO 2 NTs have a higher reversible capacity, which is due to their unique tubular structure, tubular volume, and excellent structural stability during the lithium-ion storage process. First, Ni/TiO 2 NTs have a stable tubular shape that can help them achieve long-term cycling by acting as a buffer during repeated electrochemical reactions.…”

Rice husk-derived nano-SiO2assembled on reduced graphene oxide distributed on conductive flexible polyaniline frameworks towards high-performance lithium-ion batteries

“…The main goal of this research is to determine the most effective method of adding RHs to electrode materials in order to make them more effective anodes. 50,51 Silica is a promising anode material for rechargeable lithiumion batteries (LIBs) due to its low cost and ease of synthesis. The theoretical capacity of this material is several times that of graphite anode (1965 mA h g À1 ).…”