화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Applied Chemistry for Engineering, Vol.26, No.5, 521-525, October, 2015
DOI10.14478/ace.2015.1101  Export Citation
슈퍼커패시터 응용을 위한 3차원 그래핀/금속 산화물 나노복합체 제조
Preparation of Three-Dimensional Graphene/Metal Oxide Nanocomposites for Application of Supercapacitors
김정원, 최봉길†
  • 강원대학교 화학공학과
Jung Won Kim, and Bong Gill Choi†
  • Department of Chemical Engineering, Kangwon National University, 346 Joongang-ro, Samcheok, Gangwon-do 25913, South Korea
E-mail:
초록
2차원 구조와 우수한 물성을 지닌 그래핀 기반의 전극 재료들은 슈퍼커패시터에 많이 응용되어 왔다. 특히 3차원 구조의 그래핀 소재들은 전극 제조에 매우 중요한데 이는 3차원 구조가 넓은 표면적, 효과적이고 빠른 전기 및 이온전달, 우수한 기계적 물성을 제공하기 때문이다. 최근에는 3차원 하이브리드 구조를 가지는 그래핀/금속 산화물 재료들이 슈퍼커패시터의 에너지와 파워 밀도를 동시에 증가시키고자 개발되어 왔다. 본 논문은 그래핀과 금속 산화물로 이루어진 3차원 나노복합체의 최근 연구 경향을 논하고자 한다. 3차원 나노복합체의 제조와 구조 및 이를 이용한 슈퍼커패시터의 응용을 다룬다.
Graphene-based electrode materials have been widely explored for supercapacitor applications due to their unique two-dimensional structure and properties. In particular, Three-dimensional (3D) graphene materials are of great importance for preparing electrode materials because they can provide large surface area, efficient and rapid electron and ion transfer, and mechanical stability. Recently, a number of 3D hybrid architecture of graphene/metal oxides have been developed to increase simultaneously energy and power densities of supercapacitors. This review presents the recent progress of 3D nanocomposites based on graphene and metal oxides. Preparation methods and structures of these 3D nanocomposites and their great potential in supercapacitor applications have been summarized.
Keywords:supercapacitor;metal oxide;graphene;nanocomposite
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