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Highly oxygen/nitrogen doped enclosed carbon nanotubes as anode materials for advanced Li+/Na+/K+ hybrid ion batteries
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Shaoyang Dai, Xibing Wu, Dianhui Wang**, Qianhui Fu, Peng Liu***, Feng Wang, Daosheng Liu, Wenping Liu, Jianqiu Deng*
Journal of Materiomics | 2026, 12(2) : 101143
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Journal of Materiomics | 2026, 12(2): 101143
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Highly oxygen/nitrogen doped enclosed carbon nanotubes as anode materials for advanced Li+/Na+/K+ hybrid ion batteries
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Shaoyang Dai, Xibing Wu, Dianhui Wang**, Qianhui Fu, Peng Liu***, Feng Wang, Daosheng Liu, Wenping Liu, Jianqiu Deng*
Affiliations
  • School of Materials Science and Engineering, Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, China
Published: 2026-03-20 doi: 10.1016/j.jmat.2025.101143
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The utilization of hybrid ion batteries (HIBs) effectively reduces the consumption of scarce Li resources and harnesses the synergistic effect of mixed ions to achieve performance comparable to that of lithium-ion batteries. However, there is currently a lack of anode materials that possess both high safety and excellent performance for HIBs. Herein, we present a novel structure of enclosed hard carbon nanotubes (HCNTs) doped with high levels of nitrogen and oxygen as anodes for HIBs. When utilized in Li-Na-K HIBs, they exhibit superior reversible capacity (440.1 mA·h·g-1 at 100 mA/g) and enhanced rate performance (327.7 mA·h·g-1 at 1 A/g) compared to single alkali metal ion batteries. These improvements can be attributed to the design of a one-dimensional structure that features highly doped hard carbon, which significantly enhances carrier transport. Furthermore, first-principles calculations reveal the synergistic effect of hybrid ions in nitrogen-doped hard carbon nanotubes, enhancing the ion adsorption stability in the carbon layer. This study introduces a substantial anode material for HIBs and expands the scope from binary to ternary HIB systems.

Hybrid-ion batteries  /  Anode  /  Hard carbon nanotubes  /  High-rate performance  /  Doping
Shaoyang Dai, Xibing Wu, Dianhui Wang, Qianhui Fu, Peng Liu, Feng Wang, Daosheng Liu, Wenping Liu, Jianqiu Deng. Highly oxygen/nitrogen doped enclosed carbon nanotubes as anode materials for advanced Li+/Na+/K+ hybrid ion batteries[J]. Journal of Materiomics, 2026 , 12 (2) : 101143 - . DOI: 10.1016/j.jmat.2025.101143
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  • Guangxi Key Research and Development Program(Gui Ke AB25069480)
  • Guangxi Science and Technology Major Program(Gui Ke AA24263059)
  • Natural Science Foundation of Guangxi Province(2024GXNSFBA010137)
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Year 2026 volume 12 Issue 2
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Article Info
doi: 10.1016/j.jmat.2025.101143
  • Receive Date：2025-05-28
  • Online Date：2026-08-13
  • Published：2026-03-20
Article Data
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History
  • Received：2025-05-28
  • Revised：2025-08-02
  • Accepted：2025-08-23
Funding
Guangxi Key Research and Development Program(Gui Ke AB25069480)
Guangxi Science and Technology Major Program(Gui Ke AA24263059)
Natural Science Foundation of Guangxi Province(2024GXNSFBA010137)
Affiliations
    School of Materials Science and Engineering, Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, China

Corresponding:

* (J. Deng)
** (P. Liu)
*** E-mail addresses: (D. Wang),
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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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