Sugar-derived carbon/graphene composite materials have been prepared by mixing glucose and graphene oxide with the assistance of ultrasonication and calcination. Microstructure measurements show that sugar-derived carbon nanoparticles are anchored to the graphene planes and used as spacers to inhibit the restacking of graphene Sheets during calcination. The composite is a three-dimensional material with a layered and porous structure. Benefiting from such a unique structure, the sugar-derived carbon/graphene composite materials as electrodes for supercapacitors exhibit a high specific capacitance (273 F.g(-1) at a current density of 0.5 A.g(-1)) as well as excellent electrochemical stability. Therefore, this remarkable performance suggests its promising application as an efficient electrode material for electrochemical capacitors. (C) 2013 Elsevier Ltd. All rights reserved.
机构:
Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
Univ Tsukuba, Doctoral Program Mat Sci & Engn, Tsukuba, Ibaraki 3058577, JapanNatl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
Cheng, Qian
Tang, Jie
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
Univ Tsukuba, Doctoral Program Mat Sci & Engn, Tsukuba, Ibaraki 3058577, JapanNatl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
Tang, Jie
Ma, Jun
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, JapanNatl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
Ma, Jun
Zhang, Han
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, JapanNatl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
Zhang, Han
Shinya, Norio
论文数: 0引用数: 0
h-index: 0
机构:
Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, JapanNatl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
Shinya, Norio
Qin, Lu-Chang
论文数: 0引用数: 0
h-index: 0
机构:
Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USANatl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan
机构:
Shinshu Univ, Fac Text Sci & Technol, Dept Fine Mat Engn, Ueda, Nagano 3868567, JapanShinshu Univ, Fac Text Sci & Technol, Dept Fine Mat Engn, Ueda, Nagano 3868567, Japan
Ohnuma, T
Murakami, Y
论文数: 0引用数: 0
h-index: 0
机构:
Shinshu Univ, Fac Text Sci & Technol, Dept Fine Mat Engn, Ueda, Nagano 3868567, JapanShinshu Univ, Fac Text Sci & Technol, Dept Fine Mat Engn, Ueda, Nagano 3868567, Japan
Murakami, Y
Takasu, Y
论文数: 0引用数: 0
h-index: 0
机构:
Shinshu Univ, Fac Text Sci & Technol, Dept Fine Mat Engn, Ueda, Nagano 3868567, JapanShinshu Univ, Fac Text Sci & Technol, Dept Fine Mat Engn, Ueda, Nagano 3868567, Japan