☆ 4.3 Article

Well-designed hollow and porous Co3O4 microspheres used as an anode for Li-ion battery

JOURNAL OF SOLID STATE ELECTROCHEMISTRY (2019)

期刊

JOURNAL OF SOLID STATE ELECTROCHEMISTRY

卷 23, 期 8, 页码 2477-2482

出版社

SPRINGER

DOI: 10.1007/s10008-019-04333-2

关键词

Co3O4; Anode material; C spheres; Hollow; porous structure; Lithium-ion batteries

类别

Electrochemistry

资金

National Natural Science Foundation of China [21671001, 21571002]
Scientific Research Foundation of Anhui Agricultural University [Wd2018-05]
Key Research Project of Natural Science Foundation of Anhui Provincial Universities [KJ2019A0216, KJ2018A0161]
Provincial Undergraduate Training Programs for Innovation and Entrepreneurship of Anhui Agriculture University [201710364062]

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摘要

Hollow and porous structures grant fantastic physicochemical properties and widespread application in electrochemical energy storage. Here, hollow/porous Co3O4 nanospheres were synthesized using carbon spheres as the sacrificial templates and a metal-organic framework (MOF)-assisted strategy by a simple immersion method, followed by an annealing treatment in air. By virtue of their structure, the products exhibited excellent electrochemical performance when evaluated as anode materials for lithium-ion batteries (LIBs). Specifically, it delivered a high discharge reversible specific capacity of similar to 550 mA h g(-1) after 520 cycles at the current density of 100 mA g(-1); it also exhibits excellent cycling stability and rate capability.

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