Three-dimensionally Ordered Macroporous β-Bi2O3 with Enhanced Electrochemical Performance in a Li-ion Battery

Zhen Li; Wei Zhang; Yueyue Tan; Jinbo Hu; Siyao He; Andreas Stein; Bohejin Tang

doi:10.1016/j.electacta.2016.08.031

Three-dimensionally Ordered Macroporous β-Bi₂O₃ with Enhanced Electrochemical Performance in a Li-ion Battery

Zhen Li, Wei Zhang, Yueyue Tan, Jinbo Hu, Siyao He, Andreas Stein, Bohejin Tang

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

This paper describes a modified colloidal crystal templating method to prepare three-dimensionally ordered macroporous (3DOM) β-Bi₂O₃. The 3DOM β-Bi₂O₃ materials exhibit higher specific capacities and better capacity retention than conventional β-Bi₂O₃ nanoparticles as anode materials for Li-ion batteries. The initial discharge capacity of 3DOM β-Bi₂O₃ was as high as 1296 mA h g⁻¹ and the fourth discharge capacity was 526 mA h g⁻¹, whereas the discharge capacity of conventional non-templated β-Bi₂O₃ was only 299 mA h g⁻¹ after 4 cycles at a current rate of 0.2C. The improved electrochemical behavior of the 3DOM β-Bi₂O₃ electrodes is attributed to the 3DOM architecture, which provides easy access for Li⁺ ions to the surface of active material nanoparticles and short diffusion paths within the macropore walls, and also to the unique tunnel structure of β-Bi₂O₃.

Original language	English (US)
Pages (from-to)	103-109
Number of pages	7
Journal	Electrochimica Acta
Volume	214
DOIs	https://doi.org/10.1016/j.electacta.2016.08.031
State	Published - Oct 1 2016

Bibliographical note

Funding Information:
This project is sponsored by Shanghai University of Engineering Science Innovation Fund for Graduate Students ( 16KY0404 ) and supported by Shanghai Municipal Education Commission (High-energy Beam Intelligent Processing and Green Manufacturing) and the University of Minnesota Initiative for Renewable Energy and the Environment (IREE). Parts of this work were carried out in the Characterization Facility, University of Minnesota, which receives partial support from the NSF through the MRSEC program.

Keywords

-BiO
3DOM &beta
Colloidal crystal templating
Li-ion battery

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title = "Three-dimensionally Ordered Macroporous β-Bi2O3 with Enhanced Electrochemical Performance in a Li-ion Battery",

abstract = "This paper describes a modified colloidal crystal templating method to prepare three-dimensionally ordered macroporous (3DOM) β-Bi2O3. The 3DOM β-Bi2O3 materials exhibit higher specific capacities and better capacity retention than conventional β-Bi2O3 nanoparticles as anode materials for Li-ion batteries. The initial discharge capacity of 3DOM β-Bi2O3 was as high as 1296 mA h g−1 and the fourth discharge capacity was 526 mA h g−1, whereas the discharge capacity of conventional non-templated β-Bi2O3 was only 299 mA h g−1 after 4 cycles at a current rate of 0.2C. The improved electrochemical behavior of the 3DOM β-Bi2O3 electrodes is attributed to the 3DOM architecture, which provides easy access for Li+ ions to the surface of active material nanoparticles and short diffusion paths within the macropore walls, and also to the unique tunnel structure of β-Bi2O3.",

keywords = "-BiO, 3DOM &beta, Colloidal crystal templating, Li-ion battery",

author = "Zhen Li and Wei Zhang and Yueyue Tan and Jinbo Hu and Siyao He and Andreas Stein and Bohejin Tang",

note = "Funding Information: This project is sponsored by Shanghai University of Engineering Science Innovation Fund for Graduate Students ( 16KY0404 ) and supported by Shanghai Municipal Education Commission (High-energy Beam Intelligent Processing and Green Manufacturing) and the University of Minnesota Initiative for Renewable Energy and the Environment (IREE). Parts of this work were carried out in the Characterization Facility, University of Minnesota, which receives partial support from the NSF through the MRSEC program.",

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doi = "10.1016/j.electacta.2016.08.031",

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AU - Li, Zhen

AU - Zhang, Wei

AU - Tan, Yueyue

AU - Hu, Jinbo

AU - He, Siyao

AU - Stein, Andreas

AU - Tang, Bohejin

N1 - Funding Information: This project is sponsored by Shanghai University of Engineering Science Innovation Fund for Graduate Students ( 16KY0404 ) and supported by Shanghai Municipal Education Commission (High-energy Beam Intelligent Processing and Green Manufacturing) and the University of Minnesota Initiative for Renewable Energy and the Environment (IREE). Parts of this work were carried out in the Characterization Facility, University of Minnesota, which receives partial support from the NSF through the MRSEC program.

PY - 2016/10/1

Y1 - 2016/10/1

N2 - This paper describes a modified colloidal crystal templating method to prepare three-dimensionally ordered macroporous (3DOM) β-Bi2O3. The 3DOM β-Bi2O3 materials exhibit higher specific capacities and better capacity retention than conventional β-Bi2O3 nanoparticles as anode materials for Li-ion batteries. The initial discharge capacity of 3DOM β-Bi2O3 was as high as 1296 mA h g−1 and the fourth discharge capacity was 526 mA h g−1, whereas the discharge capacity of conventional non-templated β-Bi2O3 was only 299 mA h g−1 after 4 cycles at a current rate of 0.2C. The improved electrochemical behavior of the 3DOM β-Bi2O3 electrodes is attributed to the 3DOM architecture, which provides easy access for Li+ ions to the surface of active material nanoparticles and short diffusion paths within the macropore walls, and also to the unique tunnel structure of β-Bi2O3.

AB - This paper describes a modified colloidal crystal templating method to prepare three-dimensionally ordered macroporous (3DOM) β-Bi2O3. The 3DOM β-Bi2O3 materials exhibit higher specific capacities and better capacity retention than conventional β-Bi2O3 nanoparticles as anode materials for Li-ion batteries. The initial discharge capacity of 3DOM β-Bi2O3 was as high as 1296 mA h g−1 and the fourth discharge capacity was 526 mA h g−1, whereas the discharge capacity of conventional non-templated β-Bi2O3 was only 299 mA h g−1 after 4 cycles at a current rate of 0.2C. The improved electrochemical behavior of the 3DOM β-Bi2O3 electrodes is attributed to the 3DOM architecture, which provides easy access for Li+ ions to the surface of active material nanoparticles and short diffusion paths within the macropore walls, and also to the unique tunnel structure of β-Bi2O3.

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