Electrochemical properties of all-solid-state lithium secondary batteries using Li-argyrodite Li6PS5Cl as solid electrolyte

Solid-state electrolytes are being intensively explored as the key to develop all-solid-lithium secondary batteries which present safety advantages over present liquid Li-ion technology. To validate the use of the Li6PS5Cl-based solid electrolyte obtained by high energy ball milling, all-solid-state...

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Bibliographic Details
Published in:Solid state ionics 2013-07, Vol.242, p.45-48
Main Authors: Boulineau, Sylvain, Tarascon, Jean-Marie, Leriche, Jean-Bernard, Viallet, Virginie
Format: Article
Language:English
Subjects:
All-solid-state batteries
Argyrodite
Ball milling
Electrodes
Electrolytes
Energy use
Ionic conductors
Liquids
Lithium battery
Lithium ion conductivity
Optimization
Solid electrolytes
Storage batteries
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Summary:Solid-state electrolytes are being intensively explored as the key to develop all-solid-lithium secondary batteries which present safety advantages over present liquid Li-ion technology. To validate the use of the Li6PS5Cl-based solid electrolyte obtained by high energy ball milling, all-solid-state batteries using LiCoO2 and Li4Ti5O12 as active material (AM) have been realized. The optimization of the electrode composition led to a maximum of 46 and 27mAh per gram of composite for LiCoO2 and Li4Ti5O12-based half-cells respectively. The assembled all-solid-state LiCoO2/Li6PS5Cl/Li4Ti5O12 battery presents a sustainable reversible capacity of 27mAh per gram of AM and a coulombicic efficiency close to 99%. •Use of Li6PS5Cl electrolyte in all-solid-state batteries•Optimization of electrode composition•Reversible capacity of 46mAh/g of composite for LiCoO2-based half-cell•Reversible capacity of 27mAh/g of composite for Li4Ti5O12-based half-cell•Assembling of a LiCoO2//Li6PS5Cl//Li4Ti5O12 full-cell
ISSN:0167-2738
1872-7689
DOI:10.1016/j.ssi.2013.04.012