Separator Membrane in Lithium Batteries

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Applications".

Deadline for manuscript submissions: closed (30 September 2021) | Viewed by 3217

Special Issue Editor


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Guest Editor
Ion Mobility Analysis Team of Separator Design Co., Ltd., 1-8-31, Midorigaoka, Ikeda, Osaka 563-8577, Japan
Interests: ion conduction mechamis of the electrolyte in separator membranes and polymer gels

Special Issue Information

Dear Colleagues, 

In the development of high-performance lithium batteries, it is essential to improve the individual performance of element materials in the battery. Through research on cathode and anode of batteries, battery capacity has been improved. Similarly, in order to improve the power performance of the battery, it is significant to enhance the mobility of the lithium cation that moves to proceed the charge transfer reaction in the battery system. The electrolyte solution exists in the electrodes and the separator membrane in the battery, and among them, the ion mobility in the separator, which takes part in holding the electrolyte, is an important element property that governs battery performance. In recent years, various types of separator membranes have been developed according to the purpose of the battery by improving the chemical composition and controlling the porous morphology of the membranes.

In view of this situation, it is effective to collect research results related to the separators for lithium batteries and share new knowledge among related researchers to further advance the research and generate new ideas. Based on this concept, we aim to publish this Special Issue.

Dr. Yuria Saito
Guest Editor

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Keywords

  • lithium secondary battery
  • separator membranes
  • preparation technique
  • characterization
  • chemical and morphological properties
  • correlation between the membrane properties and battery performance

Published Papers (1 paper)

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Review

31 pages, 16070 KiB  
Review
Ion Transport in Solid Medium—Evaluation of Ionic Mobility for Design of Ion Transport Pathways in Separator and Gel Electrolyte
by Yuria Saito
Membranes 2021, 11(4), 277; https://doi.org/10.3390/membranes11040277 - 09 Apr 2021
Cited by 10 | Viewed by 2671
Abstract
Further improvement in the performance of lithium secondary batteries will be an indispensable issue to realize a decarbonized society. Among them, the batteries for electric vehicles still have many issues to be addressed because they are subject to various conditions such as high-power [...] Read more.
Further improvement in the performance of lithium secondary batteries will be an indispensable issue to realize a decarbonized society. Among them, the batteries for electric vehicles still have many issues to be addressed because they are subject to various conditions such as high-power performance, safety, and cost restrictions for widespread use. Those subjects require extensive researches from the improvement of each element material to control the battery system to optimize the total performance. Based on this idea, we have been conducting research focusing on ion movement to elucidate the ion conduction mechanism from the microscopic point of view. It has been recognized that the ionic mobility in the battery, which dominates the power performance of the battery, is affected by the solid environment in which the ions move (separator and electrode materials) and the evaluation of ion movement, including the interaction with the surroundings, is necessary as an essential step for battery design. In this article, I will introduce the evaluation approach of ion dynamics and the evaluation results of mobility and interactive situations of carrier ions in the practical separator membranes and gel electrolytes. Finally, the direction of material design is outlined through this review. Full article
(This article belongs to the Special Issue Separator Membrane in Lithium Batteries)
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