One-pot hydrothermal route to fabricate nitrogen doped graphene/Ag-TiO2: Efficient charge separation, and high-performance "on-off-on" switch system based photoelectrochemical biosensing Original Research Article Biosensors and Bioelectronics, Available online 14 April 2016, Pages Ding Jiang, Xiaojiao Du, Danyang Chen, Lei Zhou, Wei Chen, Yaqi Li, Nan Hao, Jing Qian, Qian Liu, Kun Wang | Graphene based two dimensional hybrid nanogenerator for concurrently harvesting energy from sunlight and water flow Original Research Article Carbon, Available online 14 April 2016, Pages Huikai Zhong, Zhiqian Wu, Xiaoqiang Li, Wenli Xu, Sen Xu, Shengjiao Zhang, Zhijuan Xu, Hongsheng Chen, Shisheng Lin | Enhanced proliferation and osteogenic differentiation of human mesenchymal stem cells on biomineralized three-dimensional graphene foams Original Research Article Carbon, Available online 14 April 2016, Pages Ting Zhang, Ning Li, Kunyang Li, Ruifang Gao, Wei Gu, Chengcheng Wu, Ruigong Su, Liwei Liu, Qi Zhang, Jian Liu | Asymmetric supercapacitors with metal-like ternary selenides and porous graphene electrodes Nano Energy, Available online 14 April 2016, Pages Chuan Xia, Qiu Jiang, Chao Zhao, Pierre M. Beaujuge, Husam N. Alshareef
Graphical abstractAsymmetric supercapacitors with excellent performance have been fabricated using ternary (Ni, Co)0.85Se on carbon fabric as binder-free positive electrodes and porous free-standing graphene films as negative electrodes. Our optimized asymmetric device operating at 1.8V delivers a very high stack energy density of 2.85mWh cm−3 at a stack power density of 10.76mW cm−3, as well as 85% capacitance retention after 10,000 continuous charge-discharge cycles. Even at a high stack power density of 1173mW cm−3, this device still deliveries a stack energy density of 1.19mWh cm−3, superior to most of the reported supercapacitors.

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