Dual control of active graphene-silicon hybrid metamaterial devices Original Research Article Carbon, Available online 9 April 2015, Pages Quan Li, Zhen Tian, Xueqian Zhang, Ningning Xu, Ranjan Singh, Jianqiang Gu, Peng Lv, Lin-Bao Luo, Shuang Zhang, Jiaguang Han, Weili Zhang | Graphene nanoribbon ceramic composites Original Research Article Carbon, Available online 9 April 2015, Pages C. Ramirez, M.I. Osendi, P. Miranzo, M. Belmonte, F. Figueiredo, A. Castro-Beltran, M. Terrones | MoS2/Nitrogen-doped graphene as efficient electrocatalyst for oxygen reduction reaction Original Research Article Electrochimica Acta, Available online 9 April 2015, Pages Kai Zhao, Wei Gu, Longyun Zhao, Cuiling Zhang, Weidong Peng, Yuezhong Xian
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A simple yet effective method was developed for generating an electrocatalyst for oxygen reduction reaction by deposited MoS2 sheets on nitrogen-doped graphene (NG). Due to the synergistic effect of MoS2 and NG, enhancement of electrocatalytic oxygen-reduction was realized. | Graphene based integrated tandem supercapacitors fabricated directly on separators Original Research Article Nano Energy, Available online 9 April 2015, Pages Wei Chen, Chuan Xia, H.N. Alshareef
Graphical abstractGraphene based integrated tandem supercapacitors are fabricated using direct electrode deposition on a separator (DEDS) process and demonstrated for the first time. The integrated graphene-polyaniline tandem supercapacitors show ultrahigh volumetric energy density of 52.5WhL−1 at power density of 6037WL−1 and excellent gravimetric energy density of 26.1Wh kg−1 at power density of 3002W kg−1 with outstanding stability for more than 10000 cycles.
 | Graphene-based nitrogen self-doped hierarchical porous carbon aerogels derived from chitosan for high performance supercapacitors Original Research Article Nano Energy, Available online 9 April 2015, Pages Pin Hao, Zhenhuan Zhao, Yanhua Leng, Jian Tian, Yuanhua Sang, Robert I. Boughton, C.P. Wong, Hong Liu, Bin Yang
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