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首页> 外文会议>Characterization of minerals, metals, and materials 2018 >The Investigation of Humics as a Binder for LiFePO_4 Cathode in Lithium Ion Battery
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The Investigation of Humics as a Binder for LiFePO_4 Cathode in Lithium Ion Battery

机译：腐殖酸作为锂离子电池LiFePO_4阴极粘结剂的研究

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摘要

Binder, as a necessary functional material of electrode in lithium ion battery, has a vital influence on the electrochemical performance. The humics, coupled with polyacrylamide (PAM) and sodium carboxymethyl cellulose (CMC), were used as a water-soluble binder for LiFePO_4 (LFP) cathode using in lithium ion battery. The techniques of cyclic voltammetry (CV) and galvanostatic charge-discharge were conducted to evaluate the performance of humics binder in LFP electrode. The reversible specific capacity of LFP (HA + PAM + CMC) electrode can reach to 142 mAh g~(-1) after 50th cycling (100 mAh g~(-1) on conditions of raw materials with 1 wt% PAM addition, humics and CMC with a mass ratio of 3:1 in binder, and the raw materials mixed in an interval order. Humics has the potential to be used as a novel, eco-friendly and high-efficient binder for lithium-ion battery.
机译：粘合剂作为锂离子电池中电极的必要功能材料，对电化学性能具有至关重要的影响。腐殖质与聚丙烯酰胺（PAM）和羧甲基纤维素钠（CMC）结合在一起，用作锂离子电池用LiFePO_4（LFP）阴极的水溶性粘合剂。进行了循环伏安法（CV）和恒电流充放电技术，以评估LFP电极中腐殖质粘合剂的性能。 LFP（HA + PAM + CMC）电极的可逆比容量可以在第50次循环后达到142 mAh g〜（-1）（在添加1 wt％PAM的原材料条件下为100 mAh g〜（-1），腐殖质粘合剂中质量比为3：1的CMC和原料按一定间隔混合，腐殖酸有潜力被用作新型，环保，高效的锂离子电池粘合剂。

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  • 会议地点 Phoenix(US)
  • 作者

    Guihong Han; Shuzhen Yang; Jiongtian Liu; Yanfang Huang;

  • 作者单位

    School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, People's Republic of China;

    School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, People's Republic of China;

    School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, People's Republic of China;

    School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, People's Republic of China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Humics; Binder; Lithium ion battery; Cathode; LiFePO_4;

    机译：幽默活页夹锂离子电池;阴极; LiFePO_4;

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