Superlithiation of Organic Electrode Materials: The Case of Dilithium Benzenedipropiolate

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• 作者：Stéven Renault ; Viorica Alina Oltean ; C. Moyses Araujo ; Anton Grigoriev ; Kristina Edström ; Daniel Brandell
• 刊名：Chemistry of Materials
• 出版年：2016
• 出版时间：March 22, 2016
• 年：2016
• 卷：28
• 期：6
• 页码：1920-1926
• 全文大小：513K
• ISSN：1520-5002

文摘

Dilithium benzenedipropiolate was prepared and investigated as a potential negative electrode material for secondary lithium-ion batteries. In addition to the expected reduction of its carbonyls, this material can reduce and reversibly oxidize its unsaturated carbon–carbon bonds leading to a Li/C ratio of 1/1 and a specific capacity as high as 1363 mAh g^–1: the highest ever reported for a lithium carboxylate. Density functional theory calculations suggest that the lithiation is preferential on the propiolate carbons.