化工进展 ›› 2021, Vol. 40 ›› Issue (6): 3046-3057.DOI: 10.16085/j.issn.1000-6613.2020-2496

• 专栏:新能源化工 • 上一篇    下一篇

金属有机框架材料在锂硫电池的应用前沿进展

蔡诗怡1(), 李津瑜1(), 吴丽霞1, 谢湘娟1, 伍丽卿1, 高兴远1,2(), 杨乃涛3()   

  1. 1.广东第二师范学院化学系,广东 广州 510303
    2.广东省普通高校先进材料与节能减排工程技术开发中心,广东 广州 510303
    3.山东理工大学化学化工学院,山东 淄博 255049
  • 收稿日期:2020-12-14 修回日期:2021-01-16 出版日期:2021-06-06 发布日期:2021-06-22
  • 通讯作者: 高兴远,杨乃涛
  • 作者简介:蔡诗怡(1999—),女,本科生,研究方向为二次电池正极材料。E-mail:2293198579@qq.com|李津瑜(2000—),女,本科生,研究方向为锂硫电池和锌空电池的电极和隔膜材料。E-mail:1617705103@qq.com
  • 基金资助:
    广东省普通高校青年创新人才类项目(2019KQNCX098);广州市基础与应用研究项目(202102020134);国家自然科学基金(21978157)

Progress of MOF materials applied in Li-S batteries

CAI Shiyi1(), LI Jinyu1(), WU Lixia1, XIE Xiangjuan1, WU Liqing1, GAO Xingyuan1,2(), YANG Naitao3()   

  1. 1.Department of Chemistry, Guangdong University of Education, Guangzhou 510303, Guangdong, China
    2.Engineering Technology Development Center of Advanced Materials & Energy Saving and Emission Reduction in Guangdong Colleges and Universities, Guangzhou 510303, Guangdong, China
    3.School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, Shandong, China
  • Received:2020-12-14 Revised:2021-01-16 Online:2021-06-06 Published:2021-06-22
  • Contact: GAO Xingyuan,YANG Naitao

摘要:

锂硫电池是一种具有高理论比容量(1675mA·h/g)和能量密度(2600W·h/kg)的锂二次电池,被认为是最具前景的高储能二次电池体系之一。但硫的导电性差、多硫化物的穿梭效应等是阻碍锂硫电池实际应用的关键。本文聚焦于锂硫电池的发展趋势,概述了锂硫电池面临的挑战和金属有机框架(MOF)材料潜在的解决方案。同时,在突出MOF材料多孔结构、富活性位点和功能配体等优势特点之外,也辩证地分析了其存在的导电性差等问题。综述了一系列MOF材料的设计和制备,包括自支撑MOF材料、MOF碳复合材料、MOF(导电)高分子复合材料、MOF衍生碳材料、MOF衍生金属/碳复合材料,同时阐释了MOF材料对于锂负极侧枝晶的抑制作用,深入阐释其构效关系,希望对于相关领域的研究者有所启发,以促进新能源新材料领域的理论和技术进步。

关键词: 金属有机框架, 锂硫电池, 穿梭效应, 复合材料, 隔膜, 纳米材料

Abstract:

Lithium sulfur (Li-S) battery is a kind of lithium secondary battery with high theoretical specific capacity (1675mA·h/g) and energy density (2600W·h/kg), which is considered as one of the most promising secondary battery systems with a high energy storage capability. However, the poor conductivity of sulfur and the shuttle effect of polysulfides hinder the practical application of Li-S batteries. This review focused on the development of Li-S batteries, introduced the challenges of Li-S batteries and potential solutions using MOF materials. In addition to the advantages like high porosity and abundant metal sites/ligands, the poor electric conductivity of MOF was also analyzed. The main context summarized the design and preparation of MOF materials, including self-supporting MOF materials, MOF/carbon composites, MOF/(conductive) polymer composites, MOF-derived carbon materials, MOF-derived metal/carbon composites. Also, the inhibition of Li anode dendrite formation by MOF materials was elucidated. In addition, the structure-performance relationship of MOF materials was explained in depth, which may enlighten the researchers in related fields and promote the progress of next-generation energy and materials.

Key words: metal-organic framework (MOF), Li-S battery, shuttle effect, composite material, separator, nanomaterial

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