Reaction mechanism of all-solid-state lithium-sulfur battery with two-dimensional mesoporous carbon electrodes

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• 作者：Miki Nagao ; Yuki Imade ; Haruto Narisawa ; Ryota Watanabe ; Toshiyuki Yokoi ; Takashi Tatsumi ; Ryoji Kanno
• 关键词：Lithium&ndash ; Sulfur battery ; All-solid-state battery ; CMK-3 ; Mesoporous carbon ; Small-angle X-ray scattering
• 刊名：Journal of Power Sources
• 出版年：2013
• 出版时间：1 December, 2013
• 年：2013
• 卷：243
• 期：Complete
• 页码：60-64
• 全文大小：900 K

文摘

The reaction mechanism of all-solid-state lithium-sulfur batteries was studied by small- and wide-angle X-ray scattering. The results revealed that sulfur deposited in the electrode framework has a random distribution on the carbon wall of the highly ordered mesoporous carbon, CMK-3. Heat treatment complicated carbon surfaces with attached sulfur and improved the reversible charge-discharge reaction. Two Li₂S phases formed during the discharge reaction; one of them participates in the reversible battery reactions.