Influence of Mo addition on the structural and electrochemical performance of Ni-rich cathode material for lithium-ion batteries

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作者：
Tahir Sattar
Seung-Hwan Lee
Bong-Soo Jin
Hyun-Soo Kim
机构：
[1] Next Generation Battery Research Center,
[2] Korea Electrotechnology Research Institute (KERI),undefined
[3] Electro-Functionality Materials Engineering,undefined
[4] University of Science and Technology (UST),undefined
[5] Faculty of Materials and Chemical Engineering,undefined
[6] Ghulam Ishaq Khan Institute of Engineering Sciences and Technology,undefined
[7] Topi,undefined
[8] Department of Advanced Materials Engineering,undefined
[9] Daejeon University,undefined
来源：
Scientific Reports | / 10卷
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摘要：
Molybdenum modified LiNi0.84Co0.11Mn0.05O2 cathode with different doping concentrations (0–5 wt.%) is successfully prepared and its electrochemical performances are investigated. It is demonstrated that molybdenum in LiNi0.84Co0.11Mn0.05O2 has a positive effect on structural stability and extraordinary electrochemical performances, including improved long-term cycling and high-rate capability. Among all samples, the 1 wt. % molybdenum LiNi0.84Co0.11Mn0.05O2 delivers superior initial discharge capacity of 205 mAh g−1 (0.1 C), cycling stability of 89.5% (0.5 C) and rate capability of 165 mAh g−1 (2 C) compared to those of others. Therefore, we can conclude that the 1 wt. % molybdenum is an effective strategy for Ni-rich LiNi0.84Co0.11Mn0.05O2 cathode used in lithium ion batteries.
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