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一个半固态聚合物金属电池,具有最小的多余,超细分离器和高质量负载NMC811阴极电池

Gerrit Homann¹, Qing Wang¹, Sufu Liu¹

¹Empa-Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland.

ACS applied energy materials

|November 15, 2024

概括

研究人员开发了一种新的固态聚合物电解质,用于高能金属电池. 这一突破利用了商用组件,为可扩展的下一代电池技术铺平了道路.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
储能储能储能储能储能储能

背景情况:

具有金属阳极的固态电池 (SSB) 提供比传统的离子电池更高的能量密度.
由于制造方面的挑战和组件集成,SSB的商业化受到阻碍.

研究的目的:

为金属电池开发一种可扩展的固态聚合物电解质.
用工业上可用的组件演示一个功能性的固态电池.

主要方法:

在Pyr13FSI塑化剂中使用poly ((DMADAFSI) 和LiFSI合成了聚合物电解质.
电解质入商业NMC811阴极和聚烯分离器中.
一个完整的固态金属电池与商业部件组装在一起.

主要成果:

聚合物电解质在阴极和分离器孔中成功透和固化.
组装的固态电池证明了在全额标称容量下循环运行.
电池采用了在工业规模上完全商业上可用的组件.

结论:

这项工作为商业化具有竞争力的全固态电池技术提供了关键的进步.
使用易于获得的工业部件解决了SSB制造的关键挑战.
开发的固态聚合物电池显示出汽车和航空应用的前景.

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