检索结果-南通市图书馆

Unveiling the correlation between structural alterations and enhanced high-voltage cyclability in Na-deficient P3-type layered cathode materials via li incorporation

引用

Electron 2024年第1期2卷 164-176页

作者： Xiaoxia Yang Suning Wang Hang li Jochi Tseng Zhonghua Wu Sylvio Indris Helmut Ehrenberg Xiaodong Guo Weibo Hua School of Chemical Engineering and Technology Xi'an Jiaotong UniversityXi'anChina School of Chemical Engineering Sichuan UniversityChengduChina Institute for Applied Materials(IAM) Karlsruhe Institute of Technology(KIT)Eggenstein‐LeopoldshafenGermany Diffraction and Scattering Division Japan Synchrotron Radiation Research Institute(JASRI)KoutoSayo‐choSayo‐gunHyogoJapan Beijing Synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of SciencesBeijingChina

With exceptional capacity during high-voltage cycling,P3-type Nadeficient layered oxide cathodes have captured substantial ***,they are plagued by severe capacity degradation over *** this study,tuning and optimizing the phase composition in layered oxides through li incorporation are proposed to enhance the high-voltage *** structural dependence of layered Na_(2/3)lixNi_(0.25)Mn_(0.75)O_(2)þδoxides on the lithium content(0.0≤x≤1.0)offered during synthesis is investigated systematically on an atomic ***,increasing the li content triggers the formation of mixed P2/O3-type or P3/P2/O3-type layered *** the voltage window is 1.5-4.5 V,P3-type Na2/3Ni_(0.25)Mn_(0.75)O_(2)(NL0.0NMO,R3m)material exhibits a sequence of phase transformations throughout the process of(de)sodiation,that is,O3⇌P3⇌O30⇌O3″.Such complicated phase transitions can be effectively suppressed in the Na2/3li_(0.7)Ni_(0.25)Mn_(0.75)O_(2.4)(NL_(0.7)NMO)oxide with P2/P3/O3-type mixed ***,cathodes made of NL0.7NMO exhibit a substantially enhanced cyclic performance at high voltages compared to that of the P3-type layered NL0.0NMO ***,NL0.7NMO demonstrates an outstanding capacity retention of 98%after 10 cycles at 1 C within 1.5-4.5 V,much higher than that of NL0.0NMO(83%).This work delves into the intricate realm of bolstering the high-voltage durability of layered oxide cathodes,paving the way for advanced sodium-ion battery technologies.

关键词： high-voltage cycling li incorporation phase transition sodium ion batteries triphasic composites

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：