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多功能电解质添加剂,用于制造高温和高压金属电池

Erlei Zhang¹, Huijie Tian¹, Meng Li¹

¹School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150080, PR China. fanlsh@hit.edu.cn.

Chemical communications (Cambridge, England)

|August 15, 2023

概括

在金属电池中添加甲基1H-1,2,4-triazole-3-carboxylate (MTC) 可以提高性能. MTC形成保护层并中和有害的高频,改善电池的稳定性和功能.

科学领域:

电化学电化学电化学
材料科学材料科学材料科学

背景情况:

金属电池 (LMB) 对于高能储存至关重要.
电解质稳定性和接口保护是LMB的关键挑战.

研究的目的:

为了研究甲基1H-1,2,4-triazole-3-carboxylate (MTC) 作为LMB中的电解质添加剂的影响.
评估MTC在形成保护性固体电解质接口和防止电解质降解方面的作用.

主要方法:

在金属电池的电解质中添加MTC.
在阳极和阴极上形成的固体电解质接口 (SEI) 的分析.
评估MTC在中和酸 (HF) 中的易斯基特性.

主要成果:

添加MTC有助于在阳极和阴极上形成保护性SEI层.
MTC充当了易斯基,有效地从电解质中清除了HF.
电解质恶化被MTC的存在所缓解.

结论:

MTC是金属电池的有效电解质添加剂.
适当的MTC度显著提高了LMB的电化学性能和稳定性.

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