본문 바로가기
HOME> 논문 > 논문 검색상세

논문 상세정보

Journal of electroanalytical chemistry v.785, 2017년, pp.103 - 108   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

In-situ growth of cobalt oxide nanoflakes from cobalt nanosheet on nickel foam for battery-type supercapacitors with high specific capacity

Kong, Shuying (Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China ) ; Yang, Fan (College of Science, Northeast Agricultural University, Harbin 150030, China ) ; Cheng, Kui (Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China ) ; Ouyang, Tian (Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China ) ; Ye, Ke (Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China ) ; Wang, Guiling (Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Material Science and Chemical Engineering, H ) ; Cao, Dianxue ;
  • 초록  

    Abstract Ni foam supported Co 3 O 4 nanoflakes is prepared for battery-type supercapacitor application through a simple three-step route. In briefly, Co metals are first deposited on Ni foam with a nanosheet morphology. The CoC 2 O 4 protrudes out from the surface of Co through an in-situ reaction with H 2 C 2 O 4 to form dendritic-like nanowires morphology. Finally, Co 3 O 4 are obtained through thermal decomposition of the CoC 2 O 4 precursor and the dendritic-like nanowires morphology is melting and transforming into a nanoflakes morphology. The unique architectures morphology with porosity and interconnected channels has great advantages since it can effectively increases the contact surface area with electrolyte, which could significantly not only enhances surface area but also the ion/electron diffusion. Electrochemical tests show that Co 3 O 4 nanoflakes exhibit a high specific capacity up to 576.8Cg −1 at a current density of 1Ag −1 and remain 283.7Cg −1 capacity at a high current density of 50Ag −1 , as well as 82% capacitance retained after 5000cycles. These above results demonstrate the great potential of Co 3 O 4 nanoflakes in the development of battery-type supercapacitors. Highlight Porous Co 3 O 4 nanoflakes are prepared for battery-type supercapacitor application. The three-step synthesis route includes electrodeposition, in-situ reaction and calcination. Co 3 O 4 nanoflake exhibits a specific capacity as high as 576.8Cg −1 at 1Ag −1 . A remarkable cycling stability with 82% capacity retained is obtained.


  • 주제어

    Cobalt oxide .   In-situ reaction .   Nanoflakes .   Battery-type .   Supercapacitor.  

 활용도 분석

  • 상세보기

    amChart 영역
  • 원문보기

    amChart 영역

원문보기

무료다운로드
  • 원문이 없습니다.

유료 다운로드의 경우 해당 사이트의 정책에 따라 신규 회원가입, 로그인, 유료 구매 등이 필요할 수 있습니다. 해당 사이트에서 발생하는 귀하의 모든 정보활동은 NDSL의 서비스 정책과 무관합니다.

원문복사신청을 하시면, 일부 해외 인쇄학술지의 경우 외국학술지지원센터(FRIC)에서
무료 원문복사 서비스를 제공합니다.

NDSL에서는 해당 원문을 복사서비스하고 있습니다. 위의 원문복사신청 또는 장바구니 담기를 통하여 원문복사서비스 이용이 가능합니다.

이 논문과 함께 출판된 논문 + 더보기