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Issue 9, 2017
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Toward high energy density cathode materials for sodium-ion batteries: investigating the beneficial effect of aluminum doping on the P2-type structure

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Abstract

Aluminum doping of the P2-type layered structure results in a Na-ion cathode material (Na0.6Ni0.22Al0.11Mn0.66O2) with excellent performance. The material, in fact, exhibits outstanding specific capacities, 250 mA h g−1 and 150 mA h g−1 at 0.1 and 5C rate, respectively, which have never been reported before. Herein, a deep investigation of both the electrochemical behavior and the structural and morphological properties upon cycling reveals the beneficial effect of aluminum and the importance of a suitable metal intermixing selection for the obtainment of high performance cathode materials.

Graphical abstract: Toward high energy density cathode materials for sodium-ion batteries: investigating the beneficial effect of aluminum doping on the P2-type structure

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Publication details

The article was received on 06 Oct 2016, accepted on 19 Jan 2017 and first published on 20 Jan 2017


Article type: Paper
DOI: 10.1039/C6TA08667E
Citation: J. Mater. Chem. A, 2017,5, 4467-4477
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    Toward high energy density cathode materials for sodium-ion batteries: investigating the beneficial effect of aluminum doping on the P2-type structure

    I. Hasa, S. Passerini and J. Hassoun, J. Mater. Chem. A, 2017, 5, 4467
    DOI: 10.1039/C6TA08667E

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