Development of Magnesium Rechargeable Battery Based on Electrode/electrolyte Interface Reaction Analysis

2017 Fiscal Year Final Research Report

• Project/Area Number: 15H05500
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Single-year Grants
• Research Field: Device related chemistry
• Research Institution: Ritsumeikan University (2016-2017); Kyoto University (2015)
• Principal Investigator: Orikasa Yuki 立命館大学, 生命科学部, 准教授 (20589733)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: 二次電池 / マグネシウム / 電極／電解質界面

Outline of Final Research Achievements

Magnesium rechargeable batteries are expected as one of the candidates for next-generation batteries. However, magnesium ions, which are divalent ions, are difficult to diffuse in solids, and at present, there are no positive electrode materials comparable to lithium-ion battery electrodes. In this study, by using composite structure between carbon and active nano-materials enables stable magnesium ion insertion/extraction. Analysis of the reaction mechanism in the composite electrode, during magnesium ion insertion/extraction reaction, the middle range of ordering structure is maintained, which contributes the good cycle performance. We have developed a new electrode design guideline that can overcome the drawbacks of the multi-valent battery electrode.

Free Research Field

電気化学