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Updated: Jul 16, 2025

Plasma-Assisted Molecular Beam Epitaxy Growth of Mg3N2 and Zn3N2 Thin Films

Plasma-Assisted Molecular Beam Epitaxy Growth of Mg3N2 and Zn3N2 Thin Films

Published on: May 11, 2019

在石榴电解质中的渐变兴奋剂用于高效的固态电解质/接口通过N2等离子体.

Yingying Chen¹, Bo Ouyang², Xianbiao Li¹

¹Herbert Gleiter Institute of Nanoscience, School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.

ACS applied materials & interfaces

|September 15, 2023

概括

石榴电解质的血处理防止了固态电池 (SSB) 中的树的生长. 这种修改增强了接口稳定性,并使下一代能源存储能够稳定循环运行.

关键词:

石榴石固态电解质石榴石固态电解质电解质/金属接口接口渐变化剂的化剂.血等离子体是什么?固态电池是一种固态电池.

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Supercritical Nitrogen Processing for the Purification of Reactive Porous Materials

Supercritical Nitrogen Processing for the Purification of Reactive Porous Materials

Published on: May 15, 2015

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Last Updated: Jul 16, 2025

Plasma-Assisted Molecular Beam Epitaxy Growth of Mg3N2 and Zn3N2 Thin Films

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Published on: May 11, 2019

Plasma-assisted Molecular Beam Epitaxy of N-polar InAlN-barrier High-electron-mobility Transistors

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Supercritical Nitrogen Processing for the Purification of Reactive Porous Materials

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Published on: May 15, 2015

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:

固态电池 (SSB) 提供高能量密度和安全性,但在电解质-阳极接口上遭受树增长的影响.
这种树岩形成导致短路和灾难性故障,限制了实际应用.

研究的目的:

开发一种表面修饰策略,用于石榴石固体电解质,以抑制树状石的生长.
改进固态电池的接口接触和电化学性能.

主要方法:

使用等离子体的梯度兴奋剂策略被用于修改石榴石电解质表面和地下.
改造的电解质以其表面特性和与金属的界面行为为特征.
使用Li/LLZTON-3/Li对称细胞和混合固态全细胞来评估电化学性能.

主要成果:

等离子处理有效地蚀刻了表面杂质 (例如,Li₂CO₃) 并形成了一个*in situ*Li₃N丰富的介面相.
修改后的接口表现出较低的接口电阻 (3.50 Ω cm2) 和高临界电流密度 (0.65 mA cm-2 在室温下,1.60 mA cm-2 在60 °C).
在室温下在0.4 mA cm^-2下实现了超过1300小时的稳定循环,并且一个完整的细胞显示出了出色的耐用性.

结论:

石榴石电解质的渐变兴奋剂是一种可行的策略,可以提高固态电池的界面稳定性.
在*in situ*形成的3N丰富的介相有效抑制了树的生长,从而提高了电池的性能和安全性.
这种方法促进了金属阳极在下一代固态储能器件中的实际利用.