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Vanadium pentoxide cathode materials for high-performance lithium-ion batteries enabled by a hierarchical nanoflower structure via an electrochemical process

Tang, Yuxin; Rui, Xianhong; Zhang, Yanyan; Lim, Tuti Mariana; Dong, Zhili; Hng, Huey Hoon; Chen, Xiaodong; Yan, Qingyu; Chen, Zhong (2013)

Hierarchical vanadium oxide nanoflowers (V10O24·nH2O) were synthesized via a simple, high throughput method employing a fast electrochemical reaction of vanadium foil in NaCl aqueous solution, followed by an aging treatment ...

Template-free synthesis of urchin-like Co3O4 hollow spheres with good lithium storage properties

Rui, Xianhong; Tan, Huiteng; Sim, Daohao; Liu, Weiling; Xu, Chen; Hng, Huey Hoon; Yazami, Rachid; Lim, Tuti Mariana; Yan, Qingyu (2013)

Hierarchical urchin-like hollow spheres (5–8 μm in diameter) assembled by one-dimensional nanowires consisting of many interconnected Co3O4 nanoparticles (10–50 nm) are successfully synthesized. Co(CO3)0.5(OH)·0.11H2O ...

Ultrathin V2O5 nanosheet cathodes : realizing ultrafast reversible lithium storage

Rui, Xianhong; Lu, Ziyang; Yu, Hong; Yang, Dan; Hng, Huey Hoon; Lim, Tuti Mariana; Yan, Qingyu (2013)

Few-layer V2O5 nanosheets with a thickness of 2.1–3.8 nm have been successfully synthesized in this work via a simple and scalable liquid exfoliation technique. The unique nanostructure allows the high-rate transportation ...

Controlled synthesis of double-wall a-FePO4 nanotubes and their LIB cathode properties

Cai, Ren; Liu, Hai; Zhang, Wenyu; Tan, Huiteng; Yang, Dan; Huang, Yizhong; Hng, Huey Hoon; Lim, Tuti Mariana; Yan, Qingyu (2013)

Double-wall amorphous FePO4 nanotubes are prepared by an oil-phase chemical route. The inward diffusion of vacancies and outward diffusion of ions through passivation layers result in double-wall nanotubes with thin walls. ...