Construction of SnS2/SnO2 heterostructures with enhanced potassium storage performance

Guoquan Suo; Dan Li; Lei Feng; Xiaojiang Hou; Xiaohui Ye; Li Zhang; Qiyao Yu; Yanling Yang; Wei (Alex) Wang

doi:10.1016/j.jmst.2019.05.074

Construction of SnS₂/SnO₂ heterostructures with enhanced potassium storage performance

Guoquan Suo, Dan Li, Lei Feng, Xiaojiang Hou, Xiaohui Ye, Li Zhang, Qiyao Yu, Yanling Yang^*, Wei (Alex) Wang

^*Corresponding author for this work

School of Mechatronical Engineering

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

59 Citations (Scopus)

Abstract

Increasing attention has been focused on potassium ion batteries (KIBs) as promising energy-storage system (ESS) owing to the abundance and low-cost of potassium resources. Here, SnS₂/SnO₂ heterostructures were successfully fixed onto stainless steel mesh (SnS₂/SnO₂/SSM) through a facile two-step hydrothermal method and used as anodes for KIBs. Due to the advantages of SnS₂/SnO₂ heterostructures and good conductivity of SSM substrate, the SnS₂/SnO₂/SSM anodes display enhanced electrochemical performance. The SnS₂/SnO₂/SSM anodes deliver specific capacity of 394 mA h g⁻¹ at 50 mA g⁻¹ over 100 cycles, better than SnO₂/SSM. Even at 500 mA g^-1 after 250 cycles, high capacity of 155 mA h g⁻¹ can still be obtained.

Original language	English
Pages (from-to)	167-172
Number of pages	6
Journal	Journal of Materials Science and Technology
Volume	55
DOIs	https://doi.org/10.1016/j.jmst.2019.05.074
Publication status	Published - 15 Oct 2020

Keywords

Anode
Heterostructures
Potassium-ion batteries
SnS/SnO

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title = "Construction of SnS2/SnO2 heterostructures with enhanced potassium storage performance",

abstract = "Increasing attention has been focused on potassium ion batteries (KIBs) as promising energy-storage system (ESS) owing to the abundance and low-cost of potassium resources. Here, SnS2/SnO2 heterostructures were successfully fixed onto stainless steel mesh (SnS2/SnO2/SSM) through a facile two-step hydrothermal method and used as anodes for KIBs. Due to the advantages of SnS2/SnO2 heterostructures and good conductivity of SSM substrate, the SnS2/SnO2/SSM anodes display enhanced electrochemical performance. The SnS2/SnO2/SSM anodes deliver specific capacity of 394 mA h g−1 at 50 mA g−1 over 100 cycles, better than SnO2/SSM. Even at 500 mA g-1 after 250 cycles, high capacity of 155 mA h g−1 can still be obtained.",

keywords = "Anode, Heterostructures, Potassium-ion batteries, SnS/SnO",

author = "Guoquan Suo and Dan Li and Lei Feng and Xiaojiang Hou and Xiaohui Ye and Li Zhang and Qiyao Yu and Yanling Yang and Wang, {Wei (Alex)}",

note = "Publisher Copyright: {\textcopyright} 2019",

year = "2020",

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day = "15",

doi = "10.1016/j.jmst.2019.05.074",

language = "English",

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T1 - Construction of SnS2/SnO2 heterostructures with enhanced potassium storage performance

AU - Suo, Guoquan

AU - Li, Dan

AU - Feng, Lei

AU - Hou, Xiaojiang

AU - Ye, Xiaohui

AU - Zhang, Li

AU - Yu, Qiyao

AU - Yang, Yanling

AU - Wang, Wei (Alex)

PY - 2020/10/15

Y1 - 2020/10/15

N2 - Increasing attention has been focused on potassium ion batteries (KIBs) as promising energy-storage system (ESS) owing to the abundance and low-cost of potassium resources. Here, SnS2/SnO2 heterostructures were successfully fixed onto stainless steel mesh (SnS2/SnO2/SSM) through a facile two-step hydrothermal method and used as anodes for KIBs. Due to the advantages of SnS2/SnO2 heterostructures and good conductivity of SSM substrate, the SnS2/SnO2/SSM anodes display enhanced electrochemical performance. The SnS2/SnO2/SSM anodes deliver specific capacity of 394 mA h g−1 at 50 mA g−1 over 100 cycles, better than SnO2/SSM. Even at 500 mA g-1 after 250 cycles, high capacity of 155 mA h g−1 can still be obtained.

AB - Increasing attention has been focused on potassium ion batteries (KIBs) as promising energy-storage system (ESS) owing to the abundance and low-cost of potassium resources. Here, SnS2/SnO2 heterostructures were successfully fixed onto stainless steel mesh (SnS2/SnO2/SSM) through a facile two-step hydrothermal method and used as anodes for KIBs. Due to the advantages of SnS2/SnO2 heterostructures and good conductivity of SSM substrate, the SnS2/SnO2/SSM anodes display enhanced electrochemical performance. The SnS2/SnO2/SSM anodes deliver specific capacity of 394 mA h g−1 at 50 mA g−1 over 100 cycles, better than SnO2/SSM. Even at 500 mA g-1 after 250 cycles, high capacity of 155 mA h g−1 can still be obtained.

KW - Anode

KW - Heterostructures

KW - Potassium-ion batteries

KW - SnS/SnO

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DO - 10.1016/j.jmst.2019.05.074

M3 - Article

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SN - 1005-0302

VL - 55

SP - 167

EP - 172

JO - Journal of Materials Science and Technology

JF - Journal of Materials Science and Technology

ER -

Construction of SnS₂/SnO₂ heterostructures with enhanced potassium storage performance

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