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Title: Correction: Chatterjee, A.; et al. Transition metal hollow nanocages as promising cathodes for the long-term cyclability of Li–O2 batteries. Nanomaterials 2018, 8, 308
Authors: Chatterjee, A 
Or, SW 
Cao, Y 
Issue Date: 2018
Publisher: Molecular Diversity Preservation International (MDPI)
Source: Nanomaterials, 2018, v. 8, no. 10, 748 How to cite?
Journal: Nanomaterials 
Abstract: The authors wish to add the following information to this paper [1]. The last paragraph of Section 1 in the Introduction has been replaced by the following two paragraphs: One of the drawbacks of using these spinel structured oxides is their low surface area [12]. In our previous work [16], we have announced the preliminary results and initial observations on the basic morphology and magnetism of a highly porous spinel-type, Mn3O4, called Mn3O4 hollow nanocages (MOHNs), in addition to the general electrochemical performance of MOHNs/Ketjenblack (KB) cathode-based Li-O2 batteries. It has been demonstrated that the use of a simple facile template assisted growth technique is capable of producing crystalline paramagnetic MOHNs composed of many 25 nm mean diameter Mn3O4 nanoparticles, loosely agglomerated together to form the shell of a mesoporous hollow nanocage structure with a large mean diameter of 250 nm and a high surface area of 90.65 m2·g-1. Moreover, the resulting MOHNs/KB cathode-based Li-O2 batteries exhibit more than 50 discharge-charge cycles at a reversible restrained specific capacity of 600 mAh·g-1 and a specific current of 400 mA·g-1. This paper is extended from the previous proceedings paper [16]. It broadens the previous focus on the physical aspect of MOHNs to the physicochemical aspect of MOHNs. We thereby provide a more comprehensive evaluation and elaboration on the physicochemical properties and formation mechanism of MOHNs, as well as the electrochemical performance of MOHNs/KB cathode-based Li-O2 batteries. An analysis of death batteries is also performed, in order to understand how the mesoporous hollow nanocage structure of MOHNs provides a pathway for better diffusion of reactants and products, how it prevents the blockage of pores from Li-O2, and how it improves the cyclic stability of Li-O2 batteries.
ISSN: 2079-4991
DOI: 10.3390/nano8100748
Rights: © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (
The following publication: Chatterjee, A.; Or, S.W.; Cao, Y. Correction: Chatterjee, A.; et al. Transition Metal Hollow Nanocages as Promising Cathodes for the Long-Term Cyclability of Li–O2 Batteries. Nanomaterials 2018, 8, 308. Nanomaterials 2018, 8, 748 is available at
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