Progress and perspective of Li1 + xAlxTi2‐x(PO4)3 ceramic electrolyte in lithium batteries

Abstract The replacement of liquid organic electrolytes with solid‐state electrolytes (SSEs) is a feasible way to solve the safety issues and improve the energy density of lithium batteries. Developing SSEs materials that can well match with high‐voltage cathodes and lithium metal anode is quite sig...

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Autores principales: Ke Yang, Likun Chen, Jiabin Ma, Yan‐Bing He, Feiyu Kang
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Lenguaje:EN
Publicado: Wiley 2021
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Acceso en línea:https://doaj.org/article/60a0a8185a1f43229171014c2a8f83c8
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spelling oai:doaj.org-article:60a0a8185a1f43229171014c2a8f83c82021-11-16T06:26:52ZProgress and perspective of Li1 + xAlxTi2‐x(PO4)3 ceramic electrolyte in lithium batteries2567-316510.1002/inf2.12222https://doaj.org/article/60a0a8185a1f43229171014c2a8f83c82021-11-01T00:00:00Zhttps://doi.org/10.1002/inf2.12222https://doaj.org/toc/2567-3165Abstract The replacement of liquid organic electrolytes with solid‐state electrolytes (SSEs) is a feasible way to solve the safety issues and improve the energy density of lithium batteries. Developing SSEs materials that can well match with high‐voltage cathodes and lithium metal anode is quite significant to develop high‐energy‐density lithium batteries. Li1 + xAlxTi2 ‐ x(PO4)3 (LATP) SSE with NASICON structure exhibits high ionic conductivity, low cost and superior air stability, which enable it as one of the most hopeful candidates for all‐solid‐state batteries (ASSBs). However, the high interfacial impedance between LATP and electrodes, and the severe interfacial side reactions with the lithium metal greatly limit its applications in ASSBs. This review introduces the crystal structure and ion transport mechanisms of LATP and summarizes the key factors affecting the ionic conductivity. The side reaction mechanisms of LATP with Li metal and the promising strategies for optimizing interfacial compatibility are reviewed. We also summarize the applications of LATP including as surface coatings of cathode particles, ion transport network additives and inorganic fillers of composite polymer electrolytes. At last, this review proposes the challenges and the future development directions of LATP in SSBs.Ke YangLikun ChenJiabin MaYan‐Bing HeFeiyu KangWileyarticlecrystal structureinterfacesionic conductivityLi1 + xAlxTi2 ‐ x(PO4)3lithium batteriesMaterials of engineering and construction. Mechanics of materialsTA401-492Information technologyT58.5-58.64ENInfoMat, Vol 3, Iss 11, Pp 1195-1217 (2021)
institution DOAJ
collection DOAJ
language EN
topic crystal structure
interfaces
ionic conductivity
Li1 + xAlxTi2 ‐ x(PO4)3
lithium batteries
Materials of engineering and construction. Mechanics of materials
TA401-492
Information technology
T58.5-58.64
spellingShingle crystal structure
interfaces
ionic conductivity
Li1 + xAlxTi2 ‐ x(PO4)3
lithium batteries
Materials of engineering and construction. Mechanics of materials
TA401-492
Information technology
T58.5-58.64
Ke Yang
Likun Chen
Jiabin Ma
Yan‐Bing He
Feiyu Kang
Progress and perspective of Li1 + xAlxTi2‐x(PO4)3 ceramic electrolyte in lithium batteries
description Abstract The replacement of liquid organic electrolytes with solid‐state electrolytes (SSEs) is a feasible way to solve the safety issues and improve the energy density of lithium batteries. Developing SSEs materials that can well match with high‐voltage cathodes and lithium metal anode is quite significant to develop high‐energy‐density lithium batteries. Li1 + xAlxTi2 ‐ x(PO4)3 (LATP) SSE with NASICON structure exhibits high ionic conductivity, low cost and superior air stability, which enable it as one of the most hopeful candidates for all‐solid‐state batteries (ASSBs). However, the high interfacial impedance between LATP and electrodes, and the severe interfacial side reactions with the lithium metal greatly limit its applications in ASSBs. This review introduces the crystal structure and ion transport mechanisms of LATP and summarizes the key factors affecting the ionic conductivity. The side reaction mechanisms of LATP with Li metal and the promising strategies for optimizing interfacial compatibility are reviewed. We also summarize the applications of LATP including as surface coatings of cathode particles, ion transport network additives and inorganic fillers of composite polymer electrolytes. At last, this review proposes the challenges and the future development directions of LATP in SSBs.
format article
author Ke Yang
Likun Chen
Jiabin Ma
Yan‐Bing He
Feiyu Kang
author_facet Ke Yang
Likun Chen
Jiabin Ma
Yan‐Bing He
Feiyu Kang
author_sort Ke Yang
title Progress and perspective of Li1 + xAlxTi2‐x(PO4)3 ceramic electrolyte in lithium batteries
title_short Progress and perspective of Li1 + xAlxTi2‐x(PO4)3 ceramic electrolyte in lithium batteries
title_full Progress and perspective of Li1 + xAlxTi2‐x(PO4)3 ceramic electrolyte in lithium batteries
title_fullStr Progress and perspective of Li1 + xAlxTi2‐x(PO4)3 ceramic electrolyte in lithium batteries
title_full_unstemmed Progress and perspective of Li1 + xAlxTi2‐x(PO4)3 ceramic electrolyte in lithium batteries
title_sort progress and perspective of li1 + xalxti2‐x(po4)3 ceramic electrolyte in lithium batteries
publisher Wiley
publishDate 2021
url https://doaj.org/article/60a0a8185a1f43229171014c2a8f83c8
work_keys_str_mv AT keyang progressandperspectiveofli1xalxti2xpo43ceramicelectrolyteinlithiumbatteries
AT likunchen progressandperspectiveofli1xalxti2xpo43ceramicelectrolyteinlithiumbatteries
AT jiabinma progressandperspectiveofli1xalxti2xpo43ceramicelectrolyteinlithiumbatteries
AT yanbinghe progressandperspectiveofli1xalxti2xpo43ceramicelectrolyteinlithiumbatteries
AT feiyukang progressandperspectiveofli1xalxti2xpo43ceramicelectrolyteinlithiumbatteries
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