Exploration of Humic Acids as the Binder of Silicon-Based Anode for Lithium-Ion Batteries

被引：1
作者：
Yang, Shuzhen [1 ]
Han, Guihong [1 ]
Huang, Yanfang [1 ]
Liu, Jiongtian [1 ]
机构：
[1] Zhengzhou Univ, Sch Chem Engn & Energy, Zhengzhou 450001, Peoples R China
来源：
CHARACTERIZATION OF MINERALS, METALS, AND MATERIALS 2019 | 2019年
基金：
中国博士后科学基金;
关键词：
Humic acids; Silicon-based anode; Binder; Lithium-ion batteries; SI-BASED ANODES;
D O I：
10.1007/978-3-030-05749-7_65
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Humic acids (HA) are the natural macromolecules with various functional groups. In this paper, HA were explored as the water-soluble binder of silicon-based anode for lithium-ion batteries (LIBs). The results showed that addition of HA can restrain the fading capacity of Si-based anode compared with that with the polyvinylidene fluoride (PVDF) and sodium carboxymethylcellulose (CMC). With the combination of HA and CMC in mass ratio of 2:1, the anode prepared with commercial Si particles displays the better buffered effectiveness. The reversible specific capacity can still be maintained as 354.4 mAh g(-1) after 40 times cycle at a current density of 100 mA g(-1). In addition, electrochemical impedance spectroscopy (EIS) was also investigated to analyze the influence of HA on electrode. HA can be the potential binder component for improving the electrochemical performance of Si-based anode.
引用
收藏
页码：657 / 663
页数：7
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