Redox synthesis of poly (p-phenylenediamine)-reduced graphene oxide for the improvement of electrochemical performance of lithium titanate in lithium-ion battery anode

被引：8
作者：
Rajagopalan, Balasubramaniyan [1 ]
Kim, Byeongsu [1 ]
Hur, Seung Hyun [1 ]
Yoo, Ik-Keun [1 ]
Chung, Jin Suk [1 ]
机构：
[1] Univ Ulsan, Sch Chem Engn, Daehakro 93, Ulsan 680749, South Korea
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 709卷
关键词：
p-Phenylendiamine; Reduced graphene oxide; Lithium titanate; Anode material; Lithium ion battery; P-PHENYLENEDIAMINE; STORAGE CAPABILITY; LI4TI5O12; ANODES; SPINEL LI4TI5O12; COMPOSITE; REDUCTION; NANOSHEETS; STRATEGY; LIFE;
D O I：
10.1016/j.jallcom.2017.03.166
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：
Poly (p-phenylenediamine)-reduced graphene oxide/lithium titanate (PpPDA-RGO)/Li4Ti5O12 (PG/LTO) nanocomposites were prepared by a simple one-step synthesis procedure using the redox reactions of a graphene oxide/LTO (GO/LTO) suspension and p-phenylenediamine (pPDA). The effect of pPDA on both the reduction of GO and the electrochemical performance in a lithium battery anode was systematically evaluated at different pPDA loadings. The rate capabilities of the PG/LTO nanocomposites were found to be superior to those of both GO/LTO and pristine LTO. Optimum electrochemical performance was ultimately obtained with a pPDA:GO ratio of 3:1. The use of pPDA increased the reduction of GO/LTO and ensured good contact between the RGO and LTO, thereby increasing the electrical conductivity of the nanocomposites. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：248 / 259
页数：12
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