Hollow MnCo2O4 Submicrospheres with Multilevel Interiors: From Mesoporous Spheres to Yolk-in-Double-Shell Structures | Zendy

Jingfa Li | Zendy; Jiazhao Wang | Zendy; Xin Liang | Zendy; Zhijia Zhang | Zendy; Huan Liu | Zendy; Yitai Qian | Zendy; Shenglin Xiong | Zendy

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Hollow MnCo₂O₄ Submicrospheres with Multilevel Interiors: From Mesoporous Spheres to Yolk-in-Double-Shell Structures

Author(s) -

Jingfa Li,

Jiazhao Wang,

Xin Liang,

Zhijia Zhang,

Huan Liu,

Yitai Qian,

Shenglin Xiong

Publication year - 2013

Publication title -

acs applied materials and interfaces

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.535

H-Index - 228

eISSN - 1944-8252

pISSN - 1944-8244

DOI - 10.1021/am404841t

Subject(s) - mesoporous material , materials science , spheres , shell (structure) , nanotechnology , anode , lithium (medication) , chemical engineering , composite material , electrode , chemistry , catalysis , physics , medicine , biochemistry , astronomy , engineering , endocrinology

We present a general strategy to synthesize uniform MnCo2O4 submicrospheres with various hollow structures. By using MnCo-glycolate submicrospheres as the precursor with proper manipulation of ramping rates during the heating process, we have fabricated hollow MnCo2O4 submicrospheres with multilevel interiors, including mesoporous spheres, hollow spheres, yolk-shell spheres, shell-in-shell spheres, and yolk-in-double-shell spheres. Interestingly, when tested as anode materials in lithium ion batteries, the MnCo2O4 submicrospheres with a yolk-shell structure showed the best performance among these multilevel interior structures because these structures can not only supply a high contact area but also maintain a stable structure.

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