层状高熵氧化物的修饰改性策略、作用机理及储钠性能研究进展

黄旭兰; 李伟; 曹钰媛; 杨德意; 陈奇志; 张修华; 刘峥

doi:10.19799/j.cnki.2095-4239.2026.0441

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层状高熵氧化物的修饰改性策略、作用机理及储钠性能研究进展

储能材料与器件 | 更新时间：2026-09-18

- 层状高熵氧化物的修饰改性策略、作用机理及储钠性能研究进展
- Progress in modification strategies, mechanisms, and sodium storage performance of layered high-entropy oxides
- 储能科学与技术 2026年15卷第9期页码：3497-3509
- 作者机构：
  
  1.桂林理工大学化学与生物工程学院，电磁化学功能物质广西区重点实验室，广西桂林 541004
  2.广西汇元锰业有限责任公司，广西来宾 546115
- 作者简介：
  
  黄旭兰（2002—），女，硕士研究生，研究方向为储能材料制备与应用，E-mail：Huangxulan1123@163.com；
  李伟，研究员，研究方向为储能材料制备与应用，E-mail：liwei1986gllg@163.com
  刘峥，教授，研究方向为储能材料制备与应用，E-mail：lisa4.6@163.com。
- 基金信息：
  
  “夯基”行动计划：青年科学基金项目（A类）(2026GXNSFGA00640022);“智果”行动计划(桂科ZG2600640071);国家自然科学基金委地区基金(52264036)
- DOI：10.19799/j.cnki.2095-4239.2026.0441
  中图分类号： TQ 131.12;TM 912
- 收稿：2026-05-21，
  
  修回：2026-06-23，
  
  纸质出版：2026-09-28
- 稿件说明：
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黄旭兰, 李伟, 曹钰媛, 等. 层状高熵氧化物的修饰改性策略、作用机理及储钠性能研究进展[J]. 储能科学与技术, 2026, 15(9): 3497-3509.

HUANG Xulan, LI Wei, CAO Yuyuan, et al. Progress in modification strategies, mechanisms, and sodium storage performance of layered high-entropy oxides[J]. Energy Storage Science and Technology, 2026, 15(9): 3497-3509.
黄旭兰, 李伟, 曹钰媛, 等. 层状高熵氧化物的修饰改性策略、作用机理及储钠性能研究进展[J]. 储能科学与技术, 2026, 15(9): 3497-3509. DOI： 10.19799/j.cnki.2095-4239.2026.0441.

HUANG Xulan, LI Wei, CAO Yuyuan, et al. Progress in modification strategies, mechanisms, and sodium storage performance of layered high-entropy oxides[J]. Energy Storage Science and Technology, 2026, 15(9): 3497-3509. DOI： 10.19799/j.cnki.2095-4239.2026.0441.

摘要

钠离子电池因资源丰富、成本低廉，在大规模储能领域前景广阔。其中，层状过渡金属氧化物（LTMOs）正极材料兼具结构可调、高比容量与良好循环稳定性等优势。但其充放电过程中易发生复杂相变和不可逆氧化还原反应，导致结构退化，降低倍率性能与循环寿命。为此，引入高熵策略，通过多种元素共占过渡金属位点以提高构型熵，从而稳定晶格、抑制不利相变，并改善钠离子扩散动力学。本文聚焦层状高熵氧化物（layered high-entropy oxides，LHEOs）在钠离子电池中的创新应用，综述了其最新研究进展。首先，系统介绍了层状高熵氧化物的基本概念、晶体结构类型（如O

型、P

型等），并对比了固相法、溶胶-凝胶法、水热合成法等不同制备方法的优缺点。其次，重点综述了当前针对该类材料的多种修饰改性策略，包括元素掺杂（阳离子、阴离子掺杂）、结构设计（双相结构）、表面包覆、涂层技术以及空位工程，详细总结了各策略对电化学性能的改善效果及其核心作用机理。最后，总结了LHEOs存在的问题与挑战，包括微观机制不明确、阴离子掺杂策略单一等。

Abstract

Sodium-ion batteries have garnered considerable attention for large-scale energy storage applications owing to the abundance of sodium resources and their cost-effectiveness. Among the various cathode materials

layered transition metal oxides have emerged as promising candidates because of their tunable crystal structures

relatively high specific capacities

and favorable electrochemical cycling stability. However

these materials often undergo complex phase transitions and irreversible redox reactions during charge-discharge cycling

leading to structural degradation and

consequently

compromised rate capability and cycling stability. To address these challenges

the high-entropy strategy has emerged as an effective compositional design approach. By incorporating multiple metal elements into the transition-metal sublattices

the configurational entropy is significantly enhanced

thereby stabilizing the crystal framework

suppressing detrimental phase transitions

and facilitating sodium-ion diffusion. This review focuses on the emerging applications of layered high-entropy oxides (LHEOs) as cathode materials for sodium-ion batteries and systematically summarizes recent research p

rogress in this field. First

the fundamental concepts and crystal structure types of LHEOs

such as O

-type and P

-type structures

are introduced

and the advantages and disadvantages of different synthesis methods

including solid-state reaction

sol-gel synthesis

and hydrothermal synthesis

are compared. Second

various modification strategies for LHEOs are comprehensively reviewed

including elemental doping (both cationic and anionic)

structural design (e.g.

dual-phase structures)

surface coating

and vacancy engineering. The corresponding improvements in electrochemical performance and their underlying mechanisms are discussed in detail. Finally

the current challenges and future research directions for LHEOs are summarized

including the limited understanding of their microscopic mechanisms and the limited exploration of anion-doping strategies.

关键词

Keywords

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HAO D B, LI Y L. Na 0.85 Ni 0.3 Fe 0.2 Mn 0.5 O 1.95 F 0.05 @CuO cathode materials for high-rate and long cycling stability sodium-ion batteries[J ] . Energy Storage Science and Technology, 2024, 13(8): 2489-2498. DOI:10.19799/j.cnki.2095-4239.2024.0215.

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