Publication details

Microwave-assisted synthesis of platelet-like cobalt metal-organic framework, its transformation to porous layered cobalt-carbon nanocomposite discs and their utilization as anode materials in sodium-ion batteries

Authors

SKODA David KAZDA Tomas MUNSTER Lukas HANULIKOVA Barbora STÝSKALÍK Aleš ELOY Pierre DEBECKER Damien P. VILCAKOVA Jarmila CECH Ondrej ŠIMONÍKOVÁ Lucie KANICKÝ Viktor KURITKA Ivo

Year of publication 2020
Type Article in Periodical
Magazine / Source Journal of Energy Storage
MU Faculty or unit

Faculty of Science

Citation
web https://www.sciencedirect.com/science/article/pii/S2352152X19310783?via%3Dihub
Doi http://dx.doi.org/10.1016/j.est.2019.101113
Keywords HIGH-PERFORMANCE ANODES; COORDINATION POLYMERS; ENERGY-STORAGE; HIGH-CAPACITY; LITHIUM; NANOPARTICLES; EFFICIENT; NANOSTRUCTURES; SPECTROSCOPY; ADSORPTION
Description In this work a facile microwave-assisted synthesis of a platelet-like cobalt-based metal-organic framework (MOF) material is presented. This material was synthesized from cobalt(II) acetylacetonate and biphenyl-4,4'-dicarboxylic acid (Bpdc) in N,N'-dimethylformamide at 160 degrees C. As-prepared Co-Bpdc MOF product with a platelet-like disc architecture was transformed by heat treatment in a nitrogen atmosphere at 800 degrees C to porous cobalt-carbon nanocomposite discs. It is demonstrated that this synthetic strategy allows for obtaining magnetic microporous carbon layered discs with homogeneously incorporated metallic cobalt nanoparticles with a size of ca. 4 nm. The Co-C nanocomposite material was characterized by a variety of physico-chemical methods. It is shown that both Co-Bpdc MOF and Co-C nanocomposite were electrochemically active in sodium battery system as a material for the negative electrode. The high capacity retention over 80% and capacities over 200 mAh g(-1) in the sodium-ion battery systems have been achieved.

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