Pressure Evolution of Glass Transition Temperature in LiFePO4

被引：3

作者：

Drozd-Rzoska, Aleksandra ^{[1
]}

Starzonek, Szymon ^{[1
]}

Rzoska, Sylwester J. ^{[1
]}

Bockowski, Michal ^{[1
]}

Garbarczyk, Jerzy E. ^{[2
]}

机构：

[1] Polish Acad Sci, Inst High Pressure Phys, PL-01142 Warsaw, Poland

[2] Warsaw Univ Technol, Fac Phys, PL-00662 Warsaw, Poland

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2022年 / 13卷 / 31期

关键词：

DEPENDENCE;

D O I：

10.1021/acs.jpclett.2c01626

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

LiFePO4 is an important base material for generation of new batteries. One of the important developments is its use in the form of a solid glass, which allows an increase in the electrical conductivity after the high-pressure process. Such a treatment allows full control of the vitrification and nano-crystallization processes as well. This report shows the basic reference for the pressure dependence of the glass transition temperature. The unique behavior has been proven with a maximum of T-g (P) already at moderate pressures. The protocol for depicting the resulting evolution is as follows: it enables a reliable extrapolation beyond the experimental domain. The importance of the presented results for the general topic of glass transition physics is also remarkable due to the scant evidence of the existence of systems with clearly inverted vitrification under compression.

引用

页码：7269 / 7272

页数：4

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