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Towards practical cells: combined use of titanium black as a cathode additive and sparingly solvating electrolyte for high-energy-density lithium–sulfur batteries
http://hdl.handle.net/10131/00013916
http://hdl.handle.net/10131/000139166d959d97-7613-43e8-804a-4be09d65012c
名前 / ファイル | ライセンス | アクション |
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Sust. Energy Fuels_TiB_R1.pdf (1.7 MB)
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Sust. Energy Fuels_TiB_SI_R1.pdf (2.1 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-06-04 | |||||
タイトル | ||||||
タイトル | Towards practical cells: combined use of titanium black as a cathode additive and sparingly solvating electrolyte for high-energy-density lithium–sulfur batteries | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Liu, Jiali
× Liu, Jiali× Li, Shanglin× Marium, Mayeesha× Wang, Binshen× Ueno, Kazuhide× Dokko, Kaoru× Watanabe, Masayoshi |
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著者所属 | ||||||
Advanced Chemical Energy Research Centre, Institute of Advanced Sciences, Yokohama National University | ||||||
著者所属 | ||||||
Department of Chemistry and Life Science, Yokohama National University | ||||||
著者所属 | ||||||
Department of Chemistry and Life Science, Yokohama National University | ||||||
著者所属 | ||||||
Department of Chemistry and Life Science, Yokohama National University | ||||||
著者所属 | ||||||
Department of Chemistry and Life Science, Yokohama National University | ||||||
著者所属 | ||||||
Department of Chemistry and Life Science, Yokohama National University | ||||||
著者所属 | ||||||
Advanced Chemical Energy Research Centre, Institute of Advanced Sciences, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The lithium–sulfur (Li–S) battery is considered one of the most promising technologies for next-generation energy storage. To realise its practical applications, electrodes with high areal sulfur loading, low-cost raw materials, and easily accessible fabrication processes are essential. Herein, we demonstrated the effectiveness of a commercially available black pigment, titanium black (TiB), as a multi-functional additive for sulfur electrodes. Benefiting from the amphipathic nature of TiB, it was easy to obtain a homogenous coating on a current collector (>4 mg cm^(−2)) by applying a traditional slurry containing aqueous carboxymethyl cellulose/styrene-butadiene rubber as a binder. Contact angle measurements revealed much better electrolyte wettability for the electrode with the addition of TiB. Combined with a sparingly solvating electrolyte based on sulfolane and Li[N(SO_2CF_3)_2], the electrode showed excellent cycling performance and high coulombic efficiency at a relatively high current density. Finally, pouch cells were fabricated with a low electrolyte/sulfur (E/S) ratio of 3.2 μL mg^(−1), and a high energy density of 280 W h kg^(−1) was achieved. Subsequent investigation of the gassing behaviour revealed that swelling of the charged cells at 60 °C was suppressed for half a month. This study may pave the way for designing Li–S batteries with practical utility. | |||||
書誌情報 | 巻 5, p. 1821-1831, 発行日 2021-02-23 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1039/D1SE00042J | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
出版者 | ||||||
出版者 | Royal Society of Chemistry | |||||
関係URI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1039/D1SE00042J | |||||
関連名称 | https://doi.org/10.1039/D1SE00042J |