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首页> 外文会议>Charging amp; infrastructure symposium 2018 >Remove of Residual Li Compounds on Ni-Rich NCM(>80) by One-Pot Treatment Solution
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Remove of Residual Li Compounds on Ni-Rich NCM(>80) by One-Pot Treatment Solution

机译：一锅法处理富镍NCM（> 80％）上残留的Li化合物

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摘要

High power rechargeable lithium ion batteries have become the dominant power source for various electric vehicles (xEV: HEV, PHEV and EV). Ni-rich NCM materials (LiNi[x]Co[y]Mn[z]0[2]; x+y+z=1, x≥0.6) are considered as favorable positive electrode (PE) materials because of high capacity and low cost over LiCoO[2]. However, the Ni-rich NCM material has major drawbacks such as cation mixing (Li+ sites are deprived by Ni2+) and the presence of a large amount of residual lithium compounds (RLCs; LiOH and Li[2]CO[3]) on the surface. In this study, the mixed treatment of washing and surface modification is applied in order to control the RLCs. Ti suspended water solution (total solution) was synthesized to treat the 80 % Ni contained Ni-rich NCM. By applying total solution, the RLCs on Ni-rich NCM is removed effectively without major drawbacks on electrochemical properties. The results of investigation will be presented at the meeting.
机译：高功率可充电锂离子电池已成为各种电动汽车（xEV：HEV，PHEV和EV）的主要电源。富镍的NCM材料（LiNi [x] Co [y] Mn [z] 0 [2]; x + y + z = 1，x≥0.6）被认为是有利的正电极（PE）材料，因为其高容量和成本低于LiCoO [2]。但是，富Ni的NCM材料具有主要缺点，例如阳离子混合（Li +位被Ni2 +剥夺）以及在其上存在大量残留的锂化合物（RLC； LiOH和Li [2] CO [3]）。表面。在这项研究中，洗涤和表面改性的混合处理用于控制RLC。合成了Ti悬浮水溶液（总溶液）以处理80％含Ni的富Ni NCM。通过施加全部溶液，可有效去除富镍NCM上的RLC，而不会在电化学性能上产生重大缺陷。调查结果将在会议上提出。

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  • 会议地点 Mainz(DE)
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    Chang-Woo 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;

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

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