Insights into dynamic structural evolution and its sodium storage mechanisms of P2/P3 composite cathode materials for sodium-ion batteries

被引：11

作者：

Liu, Yi-Feng ^{[1
]}

Hu, Hai-Yan ^{[2
,3
]}

Zhu, Yan-Fang ^{[2
,3
]}

Peng, Dan-Ni ^{[1
]}

Li, Jia-Yang ^{[3
]}

Li, Yan-Jiang ^{[3
]}

Su, Yu ^{[2
,3
]}

Tang, Rui-Ren ^{[1
]}

Chou, Shu-Lei ^{[2
,3
]}

Xiao, Yao ^{[2
,3
]}

机构：

[1] Cent South Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China

[2] Wenzhou Univ, Coll Chem & Mat Engn, Wenzhou 325035, Peoples R China

[3] Wenzhou Univ Technol Innovat Inst Carbon Neutraliz, Wenzhou Key Lab Sodium Ion Batteries, Wenzhou 325035, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2024年 / 60卷 / 51期

基金：

中国国家自然科学基金;

关键词：

SUBSTITUTION;

D O I：

10.1039/d4cc02166e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cobalt substitution for manganese sites in Na0.44MnO2 initiates a dynamic structural evolution process, yielding a composite cathode material comprising intergrown P2 and P3 phases. The novel P2/P3 composite cathode exhibits a reversible phase transition process during Na+ extraction/insertion, showcasing its attractive battery performance in sodium-ion batteries. Through a heterostructure modulation strategy, P2/P3-Na0.44Mn0.7Co0.3O2 was successfully synthesized as a high-rate and long-cycle cathode material for sodium-ion batteries.

引用

页码：6496 / 6499

页数：4

共 30 条

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