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

页码：248 / 259

页数：12

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