Application of a bio-derivative, rosin, as a binder additive for lithium titanium oxide electrodes in lithium-ion batteries

被引：15

作者：

Kim, So-Jin ^{[1
]}

Lee, Bo-Ram ^{[1
]}

Oh, Eun-Suok ^{[1
]}

机构：

[1] Univ Ulsan, Sch Chem Engn, Ulsan 680749, South Korea

来源：

JOURNAL OF POWER SOURCES | 2015年 / 273卷

基金：

新加坡国家研究基金会;

关键词：

Rosin; Polyvinylidene fluoride; Binder; Lithium titanium oxide; Lithium-ion battery; ELECTROCHEMICAL PROPERTIES; POLY(VINYLIDENE FLUORIDE); PERFORMANCE ENHANCEMENT; ANODES; PARTICLES; POLYMERS; FILM;

D O I：

10.1016/j.jpowsour.2014.09.160

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Rosin, which is an extract of pine trees, is used as an eco-friendly binder additive to a conventional solvent-based binder, polyvinylidene fluoride (PVdF). The composite binder system is used to evaluate the performance of the Li4Ti5O12 (LTO) electrodes using a range of physical and electrochemical characterization techniques. The addition of rosin decreases the crystallinity of PVdF, disperses the conducting agent and binder well, and ultimately leads to an increase in the diffusivity and cyclic capacity of lithium ions. When the amount of rosin additive to the PVdF binder is 40 wt%, the LTO electrode exhibits the highest cyclic capacity and diffusivity; of 164 mAh g(-1) at the 110th cycle and 4.28 x 10(-10) cm(2) s(-1), respectively. (C) 2014 Elsevier B.V. All rights reserved.

引用

收藏

页码：608 / 612

页数：5

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