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Electrochemical synthesis of mesoporous gold films toward mesospace-stimulated optical properties

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Title: Electrochemical synthesis of mesoporous gold films toward mesospace-stimulated optical properties
Authors: Li, Cuiling Browse this author
Dag, Ömer Browse this author
Dao, Thang Duy Browse this author
Nagao, Tadaaki Browse this author →KAKEN DB
Sakamoto, Yasuhiro Browse this author
Kimura, Tatsuo Browse this author
Terasaki, Osamu Browse this author
Yamauchi, Yusuke Browse this author
Issue Date: 23-Mar-2015
Journal Title: Nature Communications
Volume: 6
Issue: 1
Start Page: 8058
Publisher DOI: 10.1038/ncomms7608
Abstract: Lithium metal is one of the most attractive anode materials for electrochemical energy storage. However, the growth of Li dendrites during electrochemical deposition, which leads to a low Coulombic efficiency and safety concerns, has long hindered the application of rechargeable Li-metal batteries. Here we show that a 3D current collector with a submicron skeleton and high electroactive surface area can significantly improve the electrochemical deposition behaviour of Li. Li anode is accommodated in the 3D structure without uncontrollable Li dendrites. With the growth of Li dendrites being effectively suppressed, the Li anode in the 3D current collector can run for 600 h without short circuit and exhibits low voltage hysteresis. The exceptional electrochemical performance of the Li-metal anode in the 3D current collector highlights the importance of rational design of current collectors and reveals a new avenue for developing Li anodes with a long lifespan.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長尾 忠昭

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