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Batteries and Fuel Cells

Batteries and Fuel Cells

A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...

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Updated: Jul 11, 2025

Screening of Coatings for an All-Solid-State Battery Using In Situ Transmission Electron Microscopy

Screening of Coatings for an All-Solid-State Battery Using In Situ Transmission Electron Microscopy

Published on: January 20, 2023

为无阳极固态电池量身定制的接口设计.

Jiayun Wen¹, Tengrui Wang¹, Chao Wang¹

¹Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, 201804, China.

Advanced materials (Deerfield Beach, Fla.)

|November 6, 2023

概括

此摘要是机器生成的。

工程师为无阳极固态电池 (AFSSB) 开发了一种新的接口,以提高稳定性和效率. 这种设计可以防止树石的生长,并提高性能,为更安全,更高能量的电池铺平了道路.

关键词:

液化碳6离子导电层 LiPAA 聚合物层的聚合物层.没有阳极的固态电池.界面兼容性界面兼容性界面兼容性

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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:

无阳极固态电池 (AFSSB) 提供高安全性和能量密度,但库伦比效率较低.
固体电解质/电流采集器接口和树生长的恶化限制了实际的AFSSB应用,特别是在石榴电解质.

研究的目的:

为稳定和高效的石榴石基AFSSB引入一个接口工程策略.
解决 AFSSB 中的接口不稳定性和树增长的挑战.

主要方法:

设计了石榴电解质和铜电流收集器之间的接口.
使用LiC₆层,以实现高离子导电性.
包含化聚烯酸聚合物层,用于界面自适应.
通过-银 (Li-Ag) 合金反应进行调节的沉积.

主要成果:

在以石榴石为基础的AFSSB中实现了长期稳定的运行.
显著提高了Coulombic的效率,并抑制了树的生长.
量身定制的接口设计导致了与LiCoO2阴极 (3.1 mAh cm-2) 配对时的优异容量保留.

结论:

接口工程策略提高了无阳极固态电池的稳定性和效率.
这种方法为开发下一代高安全性,高能量密度电池提供了可行的途径.
这些发现为设计先进电池架构提供了关键的见解.