Cobalt phosphide (Co2P) encapsulated in nitrogen-rich hollow carbon nanocages with fast rate potassium ion storage

被引：29

作者：

Das, Debanjan ^{[1
]}

Sarkar, Debasish ^{[2
]}

Nagarajan, Sudhan ^{[3
]}

Mitlin, David ^{[4
,5
]}

机构：

[1] Indian Inst Sci, Mat Res Ctr, Bengaluru 560012, India

[2] Malaviya Natl Inst Technol Jaipur, Dept Phys, Jaipur 302017, Rajasthan, India

[3] Clarkson Univ, Chem & Biomol Engn & Mech Engn, Potsdam, NY 13699 USA

[4] Univ Texas Austin, Mat Sci & Engn Program, Austin, TX 78712 USA

[5] Univ Texas Austin, Texas Mat Inst TMI, Austin, TX 78712 USA

来源：

CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 94期

基金：

美国国家科学基金会;

关键词：

EFFICIENT ELECTROCATALYST; PERFORMANCE; SODIUM; ANODE; NANORODS;

D O I：

10.1039/d0cc07123d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We synthesized Co2P nanoparticle encapsulated N-doped carbon nanocages through one-step carbonization-phosphidation of ZIF-67. As potassium ion battery (KIB, PIB) anodes, the Co2P@NCCs display state-of-the-art electrochemical performance, including the most favorable fast charge characteristics reported. The single-nanometer thick carbon cage yields rapid solid-state K-ion diffusion and prevents aggregation/pulverization of 40 nm cobalt phosphide.

引用

页码：14889 / 14892

页数：4

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