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Uniform FexNiy Nanospheres: Cost-Effective Electrocatalysts for Nonaqueous Rechargeable Li–O2 Batteries

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journal contribution
posted on 2017-08-07, 08:13 authored by Mengwei Yuan, Caiyun Nan, Yan Yang, Genban Sun, Huifeng Li, Shulan Ma
Uniform FexNiy nanospheres were synthesized via a simple solvothermal method and used as electrocatalysts for Li–O2 batteries. Fe7Ni3 nanospheres exhibited relatively high catalytic activities in the electrochemical tests. They delivered a reversible capacity of more than 7000 mAh/gKB and gave a discharge–charge voltage gap reduction of 250 mV compared with Ketjen Black.