Solvating lithium and tethering aluminium using di-coordination-strength anions for low-temperature lithium metal batteries,Energy & Environmental Science

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Solvating lithium and tethering aluminium using di-coordination-strength anions for low-temperature lithium metal batteries
Energy & Environmental Science ( IF 32.4 ) Pub Date : 2024-03-13 , DOI: 10.1039/d3ee03809b
Jin-Xiu Chen ₁ , Jin-Hao Zhang ₁ , Xiao-Zhong Fan ₁ , Fang-Fang Wang ₁ , Wen Tang ₂ , Wei Xia ₂ , Yusheng Zhao _{2,

3} , Long Kong ₁

Affiliation

Lithium bis(fluorosulfonyl)imide (LiFSI) corrodes aluminium (Al) current collector, but this corrosion can be impeded using di-coordination-strength anions. This concept adopts the weakly coordinated anion (FSI⁻) to exert high ionic transport kinetics, and the strongly coordinated anion (nitride, NO₃⁻) to stabilize the Al foil surface. Such simultaneous Li solvation and Al tethering, highlight the importance of solvation chemistry to mediating Li transport and Al corrosion.

中文翻译：

使用双配位强度阴离子溶解锂并束缚铝用于低温锂金属电池

双(氟磺酰基)亚胺锂 (LiFSI) 会腐蚀铝 (Al) 集流体，但使用双配位强度阴离子可以阻止这种腐蚀。该概念采用弱配位阴离子（FSI ^-）来发挥高离子传输动力学，并采用强配位阴离子（氮化物，NO ₃^-）来稳定铝箔表面。这种同时发生的锂溶剂化和铝束缚凸显了溶剂化化学对于介导锂传输和铝腐蚀的重要性。

更新日期：2024-03-13

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