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Cited by 375

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Multilayer CuO@NiO Hollow Spheres: Microwave-Assisted Metal–Organic-Framework Derivation and Highly Reversible Structure-Matched Stepwise Lithium Storage

Guo, Wenxiang, Sun, Weiwei, Wang, Yong·2015·ACS Nano

Abstract

A unique CuO@NiO microsphere with three-layer ball-in-ball hollow morphology is successfully synthesized by Cu-Ni bimetallic organic frameworks. The beforehand facile microwave-assisted production of the Ni organic framework sphere is used as the template to induce the morphology control of bimetallic oxides. Designed by the controlled surface cationic exchange reactions between Cu and Ni ions, there is an elemental gradient (decreased amount of CuO but increased amount of NiO) from the shell to the core of the microsphere product. This ternary metal oxide hollow structure is found to be very suitable for solving the critical volume expansion problem, which is critical for all high-capacity metal oxide electrodes for lithium ion batteries. A reversible larger-than-theoretical capacity of 1061 mAh·g(-1) can be retained after a repetitive 200 cycles without capacity fading compared to the initial cycle. These excellent electrochemical properties are ascribed to the step-by-step lithium insertion reactions induced by the matched CuO@NiO composition from the shell to the core and facilitated lithium/electron diffusion and accommodated volume change in the porous bimetallic oxides microsphere with a multiple-layer yolk-shell nanostructure.

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Metadata

Authors
Guo, W., Sun, W., & Wang, Y.
Venue
ACS Nano
Published
2015-10-09
Volume
9
Issue
11
Pages
11462-11471
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2206713858
Cited by
375
References
51
FWCI
23.09
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Multilayer CuO@NiO Hollow Spheres: Microwave-Assisted Metal–Organic-Framework Derivation and Highly Reversible Structure-Matched Stepwise Lithium Storage. https://app.cochat.ai/papers/10.1021/acsnano.5b05610
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Guo, W., Sun, W., & Wang, Y. (2015). Multilayer CuO@NiO Hollow Spheres: Microwave-Assisted Metal–Organic-Framework Derivation and Highly Reversible Structure-Matched Stepwise Lithium Storage. ACS Nano. https://doi.org/10.1021/acsnano.5b05610

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