Constructing Hierarchically Hollow Core-Shell MnO2 /C Hybrid Spheres for High-Performance Lithium Storage

Gang Wang; Yuhan Sun; Debao Li; Wei Wei; Xinliang Feng; Klaus Müllen

doi:10.1002/smll.201601403

Constructing Hierarchically Hollow Core-Shell MnO2 /C Hybrid Spheres for High-Performance Lithium Storage

Small. 2016 Aug;12(29):3914-9. doi: 10.1002/smll.201601403. Epub 2016 Jun 8.

Authors

Gang Wang^{1

2

3}, Yuhan Sun¹, Debao Li¹, Wei Wei², Xinliang Feng⁴, Klaus Müllen²

Affiliations

¹ State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, 030001, Taiyuan, China.
² Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany.
³ University of Chinese Academy of Sciences, 100049, Beijing, China.
⁴ Center for Advancing Electronics Dresden (cfaed) & Department of Chemistry and Food Chemistry, Technische Universität Dresden, 01062, Dresden, Germany.

PMID: 27275631
DOI: 10.1002/smll.201601403

Abstract

Hierarchical MnO2 /C hybrid spheres (MCS@MnO2 ), consisting of numerous hollow core-shell MnO2 @C nanospheres, are developed via a facile deposition process. The well-defined inner voids and robust carbon framework endow MCS@MnO2 with excellent mechanical stability, efficient utilization of MnO2 , and enhanced reaction kinetics for Li-ion batteries, therefore leading to large specific capacities, superior rate capability, and long-term cycling stability.

Keywords: Li-ion batteries; hierarchical structures; hollow core-shell; hybrids; mesoporous MnO2.