Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 5, Issue 9, Pages 4467-4477Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ta08667e
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Funding
- European Commission [FP7-ENERGY-2013-1, 608621]
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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.
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