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由于锂硫电池具有超高的理论能量密度，成为取代传统锂离子电池中最具发展潜力的电池之一。然而，由于锂硫电池的导电性差、穿梭效应严重、反应动力学缓慢等问题，导致锂硫电池的循环衰减快、稳定性较差。双金属基催化剂可以协同金属或金属化合物间的相互作用，优化电子结构，对多硫化物有着良好的吸附和催化转化作用，提高锂硫电池的循环稳定性及倍率性能。总结了双金属基催化剂在提升锂硫电池效率和稳定性方面的策略，并讨论双金属基催化剂在锂硫电池中的应用前景和挑战。
Abstract：Lithium-sulfur batteries are top contenders to replace conventional lithium-ion batteries due to their ultra-high theoretical energy density. However, the batteries were plagued by poor electrical conductivity, severe shuttle effect, and slow reaction kinetics, which would ultimately result in rapid cycle decay and poor stability. Bimetallic-based catalysts could synergize interactions between metals or metal compounds, optimize electronic structure, with good adsorption and catalytic conversion of polysulfides, improve cycle stability and rate performance of lithium-sulfur batteries. The strategies of bimetallic-based catalysts in improving the effectiveness and stability of lithium-sulfur batteries were summarized. Additionally, the prospects and challenges of the application of bimetallic-based catalysts in lithium-sulfur batteries were discussed.
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基本信息:
DOI：10.13705/j.issn.1671-6841.2023209
中图分类号:O643.36;TM912
引用信息:
[1]鹿文强,王卓森.双金属基催化剂材料在锂硫电池中的应用[J].郑州大学学报(理学版),2024,56(03):49-57.DOI:10.13705/j.issn.1671-6841.2023209.
基金信息:
国家自然科学基金项目(52301290)
2023-08-31
2023
2025-03-18
2025
3
2024-03-20
2024-03-20
2024-03-20