一种MXene-双金属硫化物复合材料修饰的电池隔膜及其制备方法与锂硫电池

By modifying the lithium-sulfur battery separator with MXene-bimetallic sulfide composite material, the problem that existing separator materials cannot simultaneously adsorb and catalyze polysulfides is solved, thereby improving the electrochemical performance and safety of lithium-sulfur batteries.

CN117963984BActive Publication Date: 2026-07-17SHANDONG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANDONG UNIV
Filing Date
2024-01-26
Publication Date
2026-07-17

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Abstract

本发明涉及电池隔膜技术领域，具体涉及一种MXene‑双金属硫化物复合材料修饰的电池隔膜及其制备方法与锂硫电池。将MXene‑双金属硫化物复合材料、导电剂和粘结剂研磨混合后有机溶剂中调成浆料，将浆料涂覆在隔膜基体表面，干燥后即得MXene‑双金属硫化物复合材料修饰的电池隔膜。该电池隔膜对可溶性多硫化物具有较强的吸附作用，同时对于锂硫电池充放电过程中硫的氧化还原反应具有良好的催化转化能力，能够有效抑制多硫化物的穿梭行为，从而提高硫的利用率，减少金属锂负极的腐蚀，使锂硫电池在循环过程中具有优异的电化学性能。
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