Rapid preparation of Li2S-P2S5 solid electrolyte and its application for graphite/Li2S all-solid-state lithium secondary battery

Tomonari Takeuchi; Hiroyuki Kageyama; Koji Nakanishi; Toshiaki Ohta; Atsushi Sakuda; Hikari Sakaebe; Hironori Kobayashi; Kuniaki Tatsumi; Zempachi Ogumi

doi:10.1149/2.001405eel

Rapid preparation of Li₂S-P₂S₅ solid electrolyte and its application for graphite/Li₂S all-solid-state lithium secondary battery

Tomonari Takeuchi, Hiroyuki Kageyama, Koji Nakanishi, Toshiaki Ohta, Atsushi Sakuda, Hikari Sakaebe, Hironori Kobayashi, Kuniaki Tatsumi, Zempachi Ogumi

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

19 被引用数 (Scopus)

抄録

70Li₂S · 30P₂S₅ (mol%) solid electrolytes (SE) were prepared with much shorter time (within several hours) by applying higher mechanical stress using a pulverizer. The obtained SE (MM sample) showed rather development of the crystalline Li₇P ₃S₁₁ as compared with the glass SE, resulting in the conductivity value between the crystalline and glass SE. By applying to the graphite/Li₂S all-solid-state cells, improved energy density, as compared with that of the In/Li₂S cells, was achieved. The rate capability of the graphite/Li₂S cells was dependent on the conductivity of the SE. The present milling process using a pulverizer is advantageous for producing the SE being applicable for all-solid-state battery production.

本文言語	英語
ページ（範囲）	A31-A35
ジャーナル	ECS Electrochemistry Letters
巻	3
号	5
DOI	https://doi.org/10.1149/2.001405eel
出版ステータス	出版済み - 1月 1 2014
外部発表	はい

!!!All Science Journal Classification (ASJC) codes

燃料技術
電気化学
材料化学

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10.1149/2.001405eel

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引用スタイル

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title = "Rapid preparation of Li2S-P2S5 solid electrolyte and its application for graphite/Li2S all-solid-state lithium secondary battery",

abstract = "70Li2S · 30P2S5 (mol%) solid electrolytes (SE) were prepared with much shorter time (within several hours) by applying higher mechanical stress using a pulverizer. The obtained SE (MM sample) showed rather development of the crystalline Li7P 3S11 as compared with the glass SE, resulting in the conductivity value between the crystalline and glass SE. By applying to the graphite/Li2S all-solid-state cells, improved energy density, as compared with that of the In/Li2S cells, was achieved. The rate capability of the graphite/Li2S cells was dependent on the conductivity of the SE. The present milling process using a pulverizer is advantageous for producing the SE being applicable for all-solid-state battery production.",

author = "Tomonari Takeuchi and Hiroyuki Kageyama and Koji Nakanishi and Toshiaki Ohta and Atsushi Sakuda and Hikari Sakaebe and Hironori Kobayashi and Kuniaki Tatsumi and Zempachi Ogumi",

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T1 - Rapid preparation of Li2S-P2S5 solid electrolyte and its application for graphite/Li2S all-solid-state lithium secondary battery

AU - Takeuchi, Tomonari

AU - Kageyama, Hiroyuki

AU - Nakanishi, Koji

AU - Ohta, Toshiaki

AU - Sakuda, Atsushi

AU - Sakaebe, Hikari

AU - Kobayashi, Hironori

AU - Tatsumi, Kuniaki

AU - Ogumi, Zempachi

PY - 2014/1/1

Y1 - 2014/1/1

N2 - 70Li2S · 30P2S5 (mol%) solid electrolytes (SE) were prepared with much shorter time (within several hours) by applying higher mechanical stress using a pulverizer. The obtained SE (MM sample) showed rather development of the crystalline Li7P 3S11 as compared with the glass SE, resulting in the conductivity value between the crystalline and glass SE. By applying to the graphite/Li2S all-solid-state cells, improved energy density, as compared with that of the In/Li2S cells, was achieved. The rate capability of the graphite/Li2S cells was dependent on the conductivity of the SE. The present milling process using a pulverizer is advantageous for producing the SE being applicable for all-solid-state battery production.

AB - 70Li2S · 30P2S5 (mol%) solid electrolytes (SE) were prepared with much shorter time (within several hours) by applying higher mechanical stress using a pulverizer. The obtained SE (MM sample) showed rather development of the crystalline Li7P 3S11 as compared with the glass SE, resulting in the conductivity value between the crystalline and glass SE. By applying to the graphite/Li2S all-solid-state cells, improved energy density, as compared with that of the In/Li2S cells, was achieved. The rate capability of the graphite/Li2S cells was dependent on the conductivity of the SE. The present milling process using a pulverizer is advantageous for producing the SE being applicable for all-solid-state battery production.

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