Design of SiO
x
/TiO2@C hierarchical structure for efficient lithium storage
Junhui Zou,
Shuai Yuan,
Ying Huang
et al.
Abstract:The large volume expansion effect and unstable SEI films of SiOx-based anode materials have hindered their commercial development. It has been shown that composite doping is a general strategy to solve critical problems. In this study, TiO2-doped core-shell SiOx/TiO2@C composites were created using the sol-gel method. On the one hand, the uniformly dispersed TiO2 nanoparticles can alleviate the volume expansion of the SiOx active material during the lithiation process. On the other hand, they can react with Li… Show more
“…Resorcinol–formaldehyde (RF) resin is commonly used as a carbon source for preparation of SiO x /C composites due to its low cost and simple synthesis. 44,86–96 Recently, Li's group reported the synthesis of hollow-structured high-capacity SiO x nanocubes (NC@SiO x @m-C) as a LIB anode using a sequential coating strategy in conjunction with a self-sacrificial template method (Fig. 5a).…”
Section: Selection Of the Carbon Source For Siox/c Compositesmentioning
Silicon oxides have emerged as promising anode materials for the next-generation lithium-ion batteries (LIBs) due to their low working potentials, high theoretical specific capacities, and abundant resources. However, the large...
“…Resorcinol–formaldehyde (RF) resin is commonly used as a carbon source for preparation of SiO x /C composites due to its low cost and simple synthesis. 44,86–96 Recently, Li's group reported the synthesis of hollow-structured high-capacity SiO x nanocubes (NC@SiO x @m-C) as a LIB anode using a sequential coating strategy in conjunction with a self-sacrificial template method (Fig. 5a).…”
Section: Selection Of the Carbon Source For Siox/c Compositesmentioning
Silicon oxides have emerged as promising anode materials for the next-generation lithium-ion batteries (LIBs) due to their low working potentials, high theoretical specific capacities, and abundant resources. However, the large...
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