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Preparation of FeSe2/Ti3C2Tx Composites with Sodium Storage Properties
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Wenxue ZHANG1, Junhu GUO1, Yongkang ZHANG1, Min BAI1, Cheng HE2
Journal of the Chinese Ceramic Society | 2023, 51(7) : 1716 - 1723
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Journal of the Chinese Ceramic Society | 2023, 51(7): 1716-1723
• Research Articles •
Preparation of FeSe2/Ti3C2Tx Composites with Sodium Storage Properties
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Wenxue ZHANG1, Junhu GUO1, Yongkang ZHANG1, Min BAI1, Cheng HE2
Affiliations
  • 1.School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
  • 2.State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China

    • ZHANG Wenxue (1982-), female, Ph.D., Professor. E-mail:

About Author:

ZHANG Wenxue (1982-), female, Ph.D., Professor. E-mail:

Published: 2023-06-13 doi: 10.14062/j.issn.0454-5648.20230048
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Selenides have a higher reversible capacity and a suitable working potential. However, their large volume change during cycling and low conductivity restrict their practical applications. In this paper, FeSe2/Ti3C2Tx composites were synthesized as anode materials for sodium-ion batteries by a simple hydrothermal method. Fe2+ were firstly coordinated with ethylene diamine tetraacetie acid to form chelates, and then FeSe2/Ti3C2Tx composites were synthesized via the electrostatic interaction between Ti3C2Tx and Fe2+ chelates after the hydrothermal reaction. FeSe2/Ti3C2Tx has an open 'flower petal' structure, and Ti3C2Tx in the composite provides an intense conductive network for the material and relieves volume expansion. According to the results of the electrochemical test, Ti3C2Tx electrode has a capacity of 455 mA·h/g after 150 cycles at 0.5 A/g, while the capacity of FeSe2 electrode at the same current density is only 335 mA·h/g after 100 cycles, and the capacity decays rapidly in the subsequent cycles. It is indicated that FeSe2/Ti3C2Tx electrode has superior electrochemical sodium storage performance and cycling stability.

titanium carbide  /  hydrothermal reaction  /  sodium ion battery  /  selenium compounds
张文雪, 郭俊虎, 张永康, 白敏, 何成. FeSe2/Ti3C2Tx复合材料的制备及其钠存储性能. 硅酸盐学报, 2023 , 51 (7) : 1716 -1723 . DOI: 10.14062/j.issn.0454-5648.20230048
Wenxue ZHANG, Junhu GUO, Yongkang ZHANG, Min BAI, Cheng HE. Preparation of FeSe2/Ti3C2Tx Composites with Sodium Storage Properties[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (7) : 1716 -1723 . DOI: 10.14062/j.issn.0454-5648.20230048
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Year 2023 volume 51 Issue 7
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Article Info
doi: 10.14062/j.issn.0454-5648.20230048
  • Receive Date：2023-02-04
  • Online Date：2026-10-19
  • Published：2023-06-13
Article Data
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History
  • Received：2023-02-04
  • Revised：2023-03-16
Funding
Affiliations
    1.School of Materials Science and Engineering, Chang'an University, Xi'an 710061, China
    2.State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China

Corresponding:

HE Cheng (1980-), male, Ph.D., Associate Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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