Oxygen deficiency,a key factor in controlling the cycle performance of Mn-spinel cathode for lithium-ion batteries期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Oxygen deficiency,a key factor in controlling the cycle performance of Mn-spinel cathode for lithium-ion batteries

Authors:	Yonggao Xia Hongyu WangQing Zhang Hiroyoshi NakamuraHideyuki Noguchi Masaki Yoshio

Affiliation:	Department of Applied Chemistry, Saga University, 1 Honjo, Saga 840-8502, Japan

Abstract:	Several series of Li_1±xMn_2−yO_4±δ and Li_1.05Al_yMn_1.95−yO_4±δ samples with different oxygen defect degree have been synthesized by controlling synthesis temperature and procedures. The cycle performance of spinel as cathode in lithium batteries has been correlated with oxygen deficiency. The structure change of spinel during charge has also been investigated with respect with oxygen deficiency.

Keywords:	Al-doped spinels Cycling performance Oxygen deficiency Mn dissolution Lithium-ion batteries
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