Mechanically Robust Self‐Organized Crack‐Free Nanocellular Graphene with Outstanding Electrochemical Properties in Sodium Ion Battery
In: Advanced Materials ; ISSN 0935-9648 1521-4095, 2024
academicJournal
Zugriff:
Crack‐free nanocellular graphenes are attractive materials with extraordinary mechanical and electrochemical properties, but their homogeneous synthesis on the centimeter scale is challenging. Here, a strong nanocellular graphene film achieved by the self‐organization of carbon atoms using liquid metal dealloying and employing a defect‐free amorphous precursor is reported. This study demonstrates that a Bi melt strongly catalyzes the self‐structuring of graphene layers at low processing temperatures. The robust nanoarchitectured graphene displays a high‐genus seamless framework and exhibits remarkable tensile strength (34.8 MPa) and high electrical conductivity (1.6 × 10 4 S m −1 ). This unique material has excellent potential for flexible and high‐rate sodium‐ion battery applications.
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Mechanically Robust Self‐Organized Crack‐Free Nanocellular Graphene with Outstanding Electrochemical Properties in Sodium Ion Battery
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Autor/in / Beteiligte Person: | Park, Wong‐Young ; Han, Jiuhui ; Moon, Jongun ; Joo, Soo‐Hyun ; Wada, Takeshi ; Ichikawa, Yuji ; Ogawa, Kazuhiro ; Kim, Hyoung Seop ; Chen, Mingwei ; Kato, Hidemi ; National Research Foundation of Korea ; National Key Research and Development Program of China ; National Natural Science Foundation of China |
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Zeitschrift: | Advanced Materials ; ISSN 0935-9648 1521-4095, 2024 |
Veröffentlichung: | Wiley, 2024 |
Medientyp: | academicJournal |
DOI: | 10.1002/adma.202311792 |
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