Microband-Array Electrode Technique for the Detection of Reaction Distributions in the Depth Direction of Composite Electrodes for the All-Solid-State Lithium-Ion Batteries | Zendy

Masanobu Chiku | Zendy; Keiichiro Ota | Zendy; Eiji Higuchi | Zendy; Hiroshi Inoue | Zendy

Open Access

Microband-Array Electrode Technique for the Detection of Reaction Distributions in the Depth Direction of Composite Electrodes for the All-Solid-State Lithium-Ion Batteries

Author(s) -

Masanobu Chiku,

Keiichiro Ota,

Eiji Higuchi,

Hiroshi Inoue

Publication year - 2020

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.0c00949

Subject(s) - electrode , composite number , materials science , lithium (medication) , ion , ionic bonding , battery (electricity) , conductivity , ionic conductivity , chemistry , composite material , electrolyte , thermodynamics , physics , medicine , power (physics) , organic chemistry , endocrinology

There are several problems left to be solved for the practical use of an all-solid-state lithium-ion battery (ASSLIB) such as the inhomogeneous reaction of active materials due to the intermittent ion/electron conduction pathway. In this study, a triple-microband electrode was embedded in the composite positive electrode of ASSLIB for the direct measurement of the reaction distribution of active materials. We found that the balance of the ionic/electronic conductivity of the composite electrode determines the reaction distribution in the depth direction of the composite electrode. Moreover, the active material was utilized equally even in the composite electrode, which has balanced ionic/electric conductivity and 300 μm thickness.

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