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首页> 外文会议>Charging amp; infrastructure symposium 2018 >Synthesis and Electrochemical Properties of NaxCoy0z Cathode Additives for Na-Ion Batteries
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Synthesis and Electrochemical Properties of NaxCoy0z Cathode Additives for Na-Ion Batteries

机译：Na x Co y 0 z钠离子电池正极添加剂的合成及电化学性能

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摘要

Na-ion battery(NIB) has cost effectiveness and extensive geographical distribution of Na source. However the cell potential is lower than LIB. Furthermore, current NIBs adapt a hard carbon as an anode active material to ensure the reversibility of electrochemical cycle. At very early cycles, some amount of the extracted Na+ from the cathode could not be moved back into cathode, which is ended up to decrease of cell capacity. In this work, synthesized Na[x]Co[y]0[z] as cathode additive is applied to supply the extra Na+ which is able to compensate the initial capacity loss of NIB induced by the anode. Through evaluation of physical/electrochemical properties, one of them was selected as the best optimized material. By applying the material to cathode, the reversible cell capacity is increased in full cells with the hard carbon as the anode.
机译：钠离子电池（NIB）具有成本效益和钠源的广泛地理分布。然而，电池的电势低于LIB。此外，当前的NIB将硬碳用作阳极活性材料，以确保电化学循环的可逆性。在非常早的循环中，一定数量的从阴极提取的Na +不能移回阴极，最终导致电池容量降低。在这项工作中，使用合成的Na [x] Co [y] 0 [z]作为阴极添加剂来提供额外的Na +，它能够补偿阳极引起的NIB的初始容量损失。通过评估物理/电化学性能，选择其中之一作为最佳优化材料。通过将材料施加到阴极上，以硬碳为阳极的全电池中可逆电池的容量增加了。

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  • 会议地点 Mainz(DE)
  • 作者

    Hyun-Ju Lee; Sang-Min Lee; Jeom-Soo Kim;

  • 作者单位

    Dong-A University, Department of Chemical Engineering, 37, Nackdong-Daero, 550beon-Gil, Saha-gu, Busan, South Korea;

    Korea Electrotechnology Research Institute, Battery Research Center, Changwon, South Korea;

    Dong-A University, Department of Chemical Engineering, 37, Nackdong-Daero, 550beon-Gil, Saha-gu, Busan, South Korea;

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