Enhanced electrochemical properties of a LiNiO2-based cathode material by removing lithium residues with (NH4)2HPO4-Reference-Cited by-同舟云学术

Enhanced electrochemical properties of a LiNiO2-based cathode material by removing lithium residues with (NH4)2HPO4

Published:2014 Issue:30 Volume:2 Page:11691-11696
ISSN:2050-7488
Container-title:J. Mater. Chem. A
language:en
Short-container-title:J. Mater. Chem. A

Author:

Xiong Xunhui¹²³⁴⁵,Ding Dong⁴⁵⁶,Bu Yunfei⁴⁵⁶,Wang Zhixing¹²³,Huang Bin¹²³,Guo Huajun¹²³,Li Xinhai¹²³

Affiliation:

1. School of Metallurgy and Environment

2. Central South University

3. Changsha 410083, P.R. China

4. Department of Materials Science and Engineering

5. Georgia Institute of Technology

6. Atlanta, USA

Abstract

Lithium residues on the surface of LiNi_0.8Co_0.1Mn_0.1O₂ have been removed by adding (NH₄)₂HPO₄. Despite the absence of a coating layer, the modified material retains as much as 66.9% of its initial capacity after 100 cycles at 2 C, while the pristine material shows only 48.1% retention.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2014/TA/C4TA01282H

Reference28 articles.

1. Synthesis and electrochemical properties of Li[Ni0.8Co0.1Mn0.1]O2 and Li[Ni0.8Co0.2]O2 via co-precipitation

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4. Li2CO3 in LiNi0.8Co0.15Al0.05O2 cathodes and its effects on capacity and power

5. Surface Film Formation on LiNi[sub 0.8]Co[sub 0.15]Al[sub 0.05]O[sub 2] Cathodes Using Attenuated Total Reflection IR Spectroscopy

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