Multifunctional Ni-NiO-CNT Composite as High Performing Free Standing Anode for Li Ion Batteries and Advanced Electro Catalyst for Oxygen Evolution Reaction

被引：87

作者：

Elizabeth, Indu ^{[1
,2
,3
]}

Nair, Anju K. ^{[4
]}

Singh, Bhanu Pratap ^{[2
,3
]}

Gopukumar, Sukumaran ^{[1
,3
]}

机构：

[1] CSIR Cent Elect Res Inst, Vairavapuram, Karaikkudi 630006, Tamil Nadu, India

[2] CSIR Natl Phys Lab, Phys & Engn Carbon, New Delhi, India

[3] Acad Sci & Innovat Res, New Delhi, India

[4] Int & Inter Univ, Ctr Nanoscience & Nanotechnol, Mahatma Gandhi Universit, Kerala, India

来源：

ELECTROCHIMICA ACTA | 2017年 / 230卷

关键词：

Free standing anode; lithium ion batteries; nano-composites; electro-catalyst; OER; FACILE SYNTHESIS; HIGH-CAPACITY; NICKEL-OXIDE; NANOPARTICLES; CARBON; NANOSHEETS; EFFICIENT; GRAPHENE; ELECTROCATALYST; FOAM;

D O I：

10.1016/j.electacta.2017.01.189

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Ni-NiO-CNT composite synthesized by swift and simple combustion process is investigated as anode for Li-ion batteries (LIB) and also as an electro-catalyst for oxygen evolution reaction (OER) in alkaline medium. The binder free, electrical conductor less, free standing anode fabricated from Ni-NiO-CNT displays a stable capacity of 736 mAh at a current density of 200 mAg(-1) for the investigated 50 cycles, the exhibited capacity being higher than the theoretical capacity of NiO and carbon. The hybrid composite also exhibits excellent OER activity, achieving current density of 10 mA cm(-2) at a lower over potential (eta) of 320 mV. The presence of Ni nanoparticles and porous sponge like structure of the composite is the main reason for this high performance. Such multifunctional materials could emerge as promising for realizing future energy storage and conversion approaches. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：98 / 105

页数：8

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