Cellulose-Templated, Dual-Carbonized Na3V2(PO4)(3) for Energy Storage with High Rate Capability

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Sodium-ion rechargeable batteries are a promising candidate for large-scale electrical energy storage systems, owing to the abundance of sodium resources. Herein, we report the development of carbon-incorporated NASICON-Na3V2(PO4)(3) (NVP) as an active cathode material for Na-ion batteries, using carboxymethyl cellulose (CMC) and sucrose as dual carbon sources. The interaction between CMC and sucrose resulted in the formation of a highly porous structure (surface area: 58.998 m(2)g(-1)) with increased sp(2) carbon species, facilitating mass and charge transportation. The specific capacity (104.99 mAhg(-1)) of dualcarbonized CMC/sucrose-NVP (CS-NVP) was close to the theoretical capacity (117.6 mAhg(-1)). Furthermore, dual-carbonized NVP exhibited stable cyclability, showing a specific capacity of 75.04 mAg(-1) even at a high rate of 20 C.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2018-08
Language
English
Article Type
Article
Keywords

SODIUM-ION BATTERIES; CATHODE MATERIALS; LIFEPO4 NANOPARTICLES; COATED NA3V2(PO4)(3); ELECTROCHEMICAL PERFORMANCE; GRAPHENE OXIDE; LITHIUM; POWER

Citation

CHEMELECTROCHEM, v.5, no.16, pp.2186 - 2191

ISSN
2196-0216
DOI
10.1002/celc.201800642
URI
http://hdl.handle.net/10203/246238
Appears in Collection
MS-Journal Papers(저널논문)
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