Materials study demonstrates high reversible capacity in coordination polymer-derived cobalt oxide anodes, suggesting a promising pathway for advanced lithium-ion batteries.
Co 3 O 4 nanocrystals have been synthesized via an ordinary one-step calcination of a cobalt-based 2D coordination polymer [Co(tfbdc)(4,4[Formula: see text]-bpy)(H 2 O) 2 ]. As an anode material for lithium-ion batteries, the obtained Co 3 O 4 nanocrystals exhibit high reversible capacity, excellent cyclic stability and better rate capability. The reversible capacity of the Co 3 O 4 nanocrystals maintains 713[Formula: see text]mA[Formula: see text]h[Formula: see text]g[Formula: see text] after 50 cycles at a current density of 50[Formula: see text]mA[Formula: see text]g[Formula: see text]. Our results confirm that searching for metal oxides nanomaterials used as anode materials of lithium ion batteries via the calcinations of 2D coordination polymer is a new route.
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Wen et al. (2018) studied this question.
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