Two‐Dimensional Porous Carbon: Synthesis and Ion‐Transport Properties

  • Xiaoyu Zheng
    Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and Technology Tianjin University Tianjin 300072 China
  • Jiayan Luo
    Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and Technology Tianjin University Tianjin 300072 China
  • Wei Lv
    Engineering Laboratory for Functionalized Carbon Materials and Shenzhen Key Laboratory for Graphene‐based Materials Graduate School at Shenzhen Tsinghua University Shenzhen 518055 China
  • Da‐Wei Wang
    School of Chemical Engineering UNSW Australia Sydney NSW 2052 Australia
  • Quan‐Hong Yang
    Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and Technology Tianjin University Tianjin 300072 China

書誌事項

公開日
2015-07-24
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/adma.201501452
公開者
Wiley

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説明

<jats:p>Their chemical stability, high specific surface area, and electric conductivity enable porous carbon materials to be the most commonly used electrode materials for electrochemical capacitors (also known as supercapacitors). To further increase the energy and power density, engineering of the pore structures with a higher electrochemical accessible surface area, faster ion‐transport path and a more‐robust interface with the electrolyte is widely investigated. Compared with traditional porous carbons, two‐dimensional (2D) porous carbon sheets with an interlinked hierarchical porous structure are a good candidate for supercapacitors due to their advantages in high aspect ratio for electrode packing and electron transport, hierarchical pore structures for ion transport, and short ion‐transport length. Recent progress on the synthesis of 2D porous carbons is reported here, along with the improved electrochemical behavior due to enhanced ion transport. Challenges for the controlled preparation of 2D porous carbons with desired properties are also discussed; these require precise tuning of the hierarchical structure and a clarification of the formation mechanisms.</jats:p>

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