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In Situ Growth of Layered Double Hydroxide‐Derived NiCoO2 Nanorod Arrays on Carbon Fiber Cloth for the Application on High‐Performance Lithium‐Ion Batteries
Energy Technology ( IF 3.6 ) Pub Date : 2020-04-29 , DOI: 10.1002/ente.202000219 Kemeng Yan 1 , Sifan Chen 2 , Junjian Zhai 2 , Yazhen Zhao 2 , Zhouhu Deng 2 , Gang Wang 3
Energy Technology ( IF 3.6 ) Pub Date : 2020-04-29 , DOI: 10.1002/ente.202000219 Kemeng Yan 1 , Sifan Chen 2 , Junjian Zhai 2 , Yazhen Zhao 2 , Zhouhu Deng 2 , Gang Wang 3
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Rod‐shaped skeleton NiCoO2 grown directly on mechanically flexible and electrically conducting carbon fiber cloth (NiCoO2/CFC) is synthesized via a facile hydrothermal route and applied initially as an anode for flexible lithium‐ion batteries. Electrochemical test results indicate that the NiCoO2/CFC electrode exhibits high rate capability and cycling stability and realizes a high areal capacity of 2.41 mAh cm−2 after 120 cycles, superior to the pure NiCoO2 electrode. The excellent electrochemical performance can be interpreted as the synergistic and complementary effects between the flexible substrate and bimetal oxides, which makes the NiCoO2/CFC electrodes achieve fast electron and Li+ transportation, good mechanical flexibility, and particularly, superior electrochemical stability. Furthermore, the lithium storage behavior is investigated through electrochemical kinetic analysis. Herein, the possibilities of anode materials with high performance for next‐generation flexible energy storage devices are described.
中文翻译：
在高性能锂离子电池上的碳纤维布上原位生长双氢氧化物层状NiCoO2纳米棒阵列
杆状骨架NiCoO 2直接在机械柔韧性和导电的碳纤维布（NiCoO 2 / CFC）上生长，是通过一条便捷的水热路径合成的，最初用作柔性锂离子电池的阳极。电化学测试结果表明，NiCoO 2 / CFC电极显示出高倍率能力和循环稳定性，并在120次循环后实现了2.41 mAh cm -2的高面积容量，优于纯NiCoO 2电极。优异的电化学性能可以解释为柔性基材和双金属氧化物之间的协同和互补作用，从而使NiCoO 2/ CFC电极可实现快速的电子和Li +传输，具有良好的机械柔韧性，尤其是优异的电化学稳定性。此外，通过电化学动力学分析研究了锂的储存行为。在此，描述了用于下一代柔性储能装置的高性能阳极材料的可能性。
更新日期：2020-07-02
中文翻译：
在高性能锂离子电池上的碳纤维布上原位生长双氢氧化物层状NiCoO2纳米棒阵列
杆状骨架NiCoO 2直接在机械柔韧性和导电的碳纤维布（NiCoO 2 / CFC）上生长，是通过一条便捷的水热路径合成的，最初用作柔性锂离子电池的阳极。电化学测试结果表明，NiCoO 2 / CFC电极显示出高倍率能力和循环稳定性，并在120次循环后实现了2.41 mAh cm -2的高面积容量，优于纯NiCoO 2电极。优异的电化学性能可以解释为柔性基材和双金属氧化物之间的协同和互补作用，从而使NiCoO 2/ CFC电极可实现快速的电子和Li +传输，具有良好的机械柔韧性，尤其是优异的电化学稳定性。此外，通过电化学动力学分析研究了锂的储存行为。在此，描述了用于下一代柔性储能装置的高性能阳极材料的可能性。
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