In-situ electronic conductivity measurements of LiNi0.45Mn1.485Cr0.05O4 thin films using all-solid-state thin-film batteries

Morihiro Sato; Takayuki Yamamoto; Munekazu Motoyama; Yasutoshi Iriyama

doi:10.1016/j.elecom.2017.12.021

In-situ electronic conductivity measurements of LiNi_0.45Mn_1.485Cr_0.05O₄ thin films using all-solid-state thin-film batteries

Morihiro Sato, Takayuki Yamamoto, Munekazu Motoyama, Yasutoshi Iriyama

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Total electronic conductivity (σ_e^total) of LiNi_0.45Mn_1.485Cr_0.05O₄ thin film (LNM–Cr: 40 nm in thickness) between 3.5 and 4.9 V (vs. Li metal anode) was measured using all-solid-state thin-film battery (Li/LiPON/LPO/LNM–Cr) fabricated on interdigitated array (IDA) electrode. The LNM–Cr with disordered spinel phase was prepared by pulsed laser deposition on the IDA electrode. The σ_e^total depended on the voltage and reversibly changed regardless of lithium extraction/insertion process. Variation trends of the σ_e^total were in good agreement with the previous reports using the chemically delithiated powder materials. Grain boundary resistance contributes to the σ_e^total depending on the voltage probably because of the formation of double Schottky barrier at the grain boundaries.

Original language	English
Pages (from-to)	31-34
Number of pages	4
Journal	Electrochemistry Communications
Volume	87
DOIs	https://doi.org/10.1016/j.elecom.2017.12.021
Publication status	Published - Feb 2018
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electrochemistry

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10.1016/j.elecom.2017.12.021

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@article{11c85c468a634d6aa8217cab02ec20b4,

title = "In-situ electronic conductivity measurements of LiNi0.45Mn1.485Cr0.05O4 thin films using all-solid-state thin-film batteries",

abstract = "Total electronic conductivity (σetotal) of LiNi0.45Mn1.485Cr0.05O4 thin film (LNM–Cr: 40 nm in thickness) between 3.5 and 4.9 V (vs. Li metal anode) was measured using all-solid-state thin-film battery (Li/LiPON/LPO/LNM–Cr) fabricated on interdigitated array (IDA) electrode. The LNM–Cr with disordered spinel phase was prepared by pulsed laser deposition on the IDA electrode. The σetotal depended on the voltage and reversibly changed regardless of lithium extraction/insertion process. Variation trends of the σetotal were in good agreement with the previous reports using the chemically delithiated powder materials. Grain boundary resistance contributes to the σetotal depending on the voltage probably because of the formation of double Schottky barrier at the grain boundaries.",

author = "Morihiro Sato and Takayuki Yamamoto and Munekazu Motoyama and Yasutoshi Iriyama",

note = "Funding Information: This work was supported by NEDO Post–LiEAD project ( P12003 ). Publisher Copyright: {\textcopyright} 2017",

year = "2018",

month = feb,

doi = "10.1016/j.elecom.2017.12.021",

language = "English",

volume = "87",

pages = "31--34",

journal = "Electrochemistry Communications",

issn = "1388-2481",

publisher = "Elsevier Inc.",

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T1 - In-situ electronic conductivity measurements of LiNi0.45Mn1.485Cr0.05O4 thin films using all-solid-state thin-film batteries

AU - Sato, Morihiro

AU - Yamamoto, Takayuki

AU - Motoyama, Munekazu

AU - Iriyama, Yasutoshi

PY - 2018/2

Y1 - 2018/2

N2 - Total electronic conductivity (σetotal) of LiNi0.45Mn1.485Cr0.05O4 thin film (LNM–Cr: 40 nm in thickness) between 3.5 and 4.9 V (vs. Li metal anode) was measured using all-solid-state thin-film battery (Li/LiPON/LPO/LNM–Cr) fabricated on interdigitated array (IDA) electrode. The LNM–Cr with disordered spinel phase was prepared by pulsed laser deposition on the IDA electrode. The σetotal depended on the voltage and reversibly changed regardless of lithium extraction/insertion process. Variation trends of the σetotal were in good agreement with the previous reports using the chemically delithiated powder materials. Grain boundary resistance contributes to the σetotal depending on the voltage probably because of the formation of double Schottky barrier at the grain boundaries.

AB - Total electronic conductivity (σetotal) of LiNi0.45Mn1.485Cr0.05O4 thin film (LNM–Cr: 40 nm in thickness) between 3.5 and 4.9 V (vs. Li metal anode) was measured using all-solid-state thin-film battery (Li/LiPON/LPO/LNM–Cr) fabricated on interdigitated array (IDA) electrode. The LNM–Cr with disordered spinel phase was prepared by pulsed laser deposition on the IDA electrode. The σetotal depended on the voltage and reversibly changed regardless of lithium extraction/insertion process. Variation trends of the σetotal were in good agreement with the previous reports using the chemically delithiated powder materials. Grain boundary resistance contributes to the σetotal depending on the voltage probably because of the formation of double Schottky barrier at the grain boundaries.

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JF - Electrochemistry Communications

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In-situ electronic conductivity measurements of LiNi_0.45Mn_1.485Cr_0.05O₄ thin films using all-solid-state thin-film batteries

Abstract

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