Cathode Property of Na_2C_xO_x [x = 4, 5, and 6] and K_2C_6O_6 for Sodium-ion Batteries
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Sodium-ion batteries now become a strong alternative candidate for lithium-ion batteries due to abundant Na resources, and organic electrode active materials for sodium-ion batteries also have possibility to bring additional cost reduction. Although many organic-based active materials have been researched as cathode materials for lithium-ion batteries, few works have been conducted for sodium-ion batteries. In this study, the cathode properties of several organic compounds of sodium rhodizonate analogs, Na_2C_xO_x [x = 4 and 5] and K_2C_6O_6 were newly investigated. Among them, it was revealed that Na_2C_5O_5 and Na_2C_6O_6 deliver large first discharge capacity close to 200 mAh g_-1 and exhibit reversible sodium insertion/de-insertion of 1.35 and 1.25Na, respectively, with good cycle performance.
収録刊行物
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- Evergreen
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Evergreen 4 (1), 1-5, 2017-03
九州大学グリーンテクノロジー研究教育センター
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詳細情報 詳細情報について
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- CRID
- 1390009224844860544
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- NII論文ID
- 120006309089
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- DOI
- 10.5109/1808304
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- ISSN
- 24325953
- 21890420
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- HANDLE
- 2324/1808304
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- NDL書誌ID
- 028095398
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用可