Search Results - "Ji, Hengxing"

Advanced 3D Current Collectors for Lithium‐Based Batteries by Jin, Song, Jiang, Yu, Ji, Hengxing, Yu, Yan

“…Li‐based batteries are a hot research topic because they are the most popular energy storage system for high energy‐density devices. As an important component…”
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Black Phosphorus Revisited: A Missing Metal‐Free Elemental Photocatalyst for Visible Light Hydrogen Evolution by Zhu, Xianjun, Zhang, Taiming, Sun, Zijun, Chen, Huanlin, Guan, Jian, Chen, Xiang, Ji, Hengxing, Du, Pingwu, Yang, Shangfeng

“…Metal‐free elemental photocatalysts for hydrogen (H2) evolution are more advantageous than the traditional metal‐based inorganic photocatalysts since the…”
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Degradation Chemistry and Stabilization of Exfoliated Few-Layer Black Phosphorus in Water by Zhang, Taiming, Wan, Yangyang, Xie, Huanyu, Mu, Yang, Du, Pingwu, Wang, Dong, Wu, Xiaojun, Ji, Hengxing, Wan, Lijun

“…Exfoliated black phosphorus (BP), as a monolayer or few-layer material, has attracted tremendous attention owing to its unique physical properties for…”
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A Highly Efficient Metal-Free Oxygen Reduction Electrocatalyst Assembled from Carbon Nanotubes and Graphene by Yang, Jia, Sun, Haiyan, Liang, Haiyi, Ji, Hengxing, Song, Li, Gao, Chao, Xu, Hangxun

“…A novel carbon‐nanotube–graphene hybrid nanostructure is developed using an aerosol‐assisted assembly approach. After doping with nitrogen and phosphorus, the…”
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Solid–Solution-Based Metal Alloy Phase for Highly Reversible Lithium Metal Anode by Jin, Song, Ye, Yadong, Niu, Yijie, Xu, Yansong, Jin, Hongchang, Wang, Jinxi, Sun, Zhaowei, Cao, Anmin, Wu, Xiaojun, Luo, Yi, Ji, Hengxing, Wan, Li-Jun

“…Lithium metal batteries are vital devices for high-energy-density energy storage, but the Li metal anode is highly reactive with electrolyte and forms…”
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Origin of the Overpotential for the Oxygen Evolution Reaction on a Well-Defined Graphene Electrode Probed by in Situ Sum Frequency Generation Vibrational Spectroscopy by Peng, Qiling, Chen, Jiafeng, Ji, Hengxing, Morita, Akihiro, Ye, Shen

“…To develop an efficient material for the cathode of the lithium–oxygen (Li–O2) secondary battery, the oxygen reduction and evolution reactions (ORR and OER) on…”
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High Areal Capacity and Lithium Utilization in Anodes Made of Covalently Connected Graphite Microtubes by Jin, Song, Sun, Zhaowei, Guo, Yali, Qi, Zhikai, Guo, Chengkun, Kong, Xianghua, Zhu, Yanwu, Ji, Hengxing

“…Lithium metal is an attractive anode material for rechargeable batteries because of its high theoretical specific capacity of 3860 mA h g−1 and the lowest…”
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Thermal Transport in Three-Dimensional Foam Architectures of Few-Layer Graphene and Ultrathin Graphite by Pettes, Michael Thompson, Ji, Hengxing, Ruoff, Rodney S, Shi, Li

“…At a very low solid concentration of 0.45±0.09 vol %, the room-temperature thermal conductivity (κGF) of freestanding graphene-based foams (GF), comprised of…”
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A Hierarchical Carbon Derived from Sponge-Templated Activation of Graphene Oxide for High-Performance Supercapacitor Electrodes by Xu, Jin, Tan, Ziqi, Zeng, Wencong, Chen, Guanxiong, Wu, Shuilin, Zhao, Yuan, Ni, Kun, Tao, Zhuchen, Ikram, Mujtaba, Ji, Hengxing, Zhu, Yanwu

“…A hierarchical porous carbon is fabricated by introducing a polyurethane sponge to a template graphene oxide into a 3D interconnected structure, while KOH…”
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Large-area, periodic, and tunable intrinsic pseudo-magnetic fields in low-angle twisted bilayer graphene by Shi, Haohao, Zhan, Zhen, Qi, Zhikai, Huang, Kaixiang, Veen, Edo van, Silva-Guillén, Jose Ángel, Zhang, Runxiao, Li, Pengju, Xie, Kun, Ji, Hengxing, Katsnelson, Mikhail I., Yuan, Shengjun, Qin, Shengyong, Zhang, Zhenyu

“…A properly strained graphene monolayer or bilayer is expected to harbour periodic pseudo-magnetic fields with high symmetry, yet to date, a convincing…”
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Nanoporous Ni(OH)2 Thin Film on 3D Ultrathin-Graphite Foam for Asymmetric Supercapacitor by Ji, Junyi, Zhang, Li Li, Ji, Hengxing, Li, Yang, Zhao, Xin, Bai, Xin, Fan, Xiaobin, Zhang, Fengbao, Ruoff, Rodney S

“…Nanoporous nickel hydroxide (Ni(OH)2) thin film was grown on the surface of ultrathin-graphite foam (UGF) via a hydrothermal reaction. The resulting…”
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Stabilizing black phosphorus nanosheets via edge-selective bonding of sacrificial C60 molecules by Zhu, Xianjun, Zhang, Taiming, Jiang, Daochuan, Duan, Hengli, Sun, Zijun, Zhang, Mengmeng, Jin, Hongchang, Guan, Runnan, Liu, Yajuan, Chen, Muqing, Ji, Hengxing, Du, Pingwu, Yan, Wensheng, Wei, Shiqiang, Lu, Yalin, Yang, Shangfeng

“…Few-layer black phosphorus (BP) with an anisotropic two-dimensional (2D)-layered structure shows potential applications in photoelectric conversion and…”
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Mass production and industrial applications of graphene materials by Zhu, Yanwu, Ji, Hengxing, Cheng, Hui-Ming, Ruoff, Rodney S

“…Abstract Graphene is considered a promising material for industrial application based on the intensive laboratory-scale research in the fields of physics,…”
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Capacitance of carbon-based electrical double-layer capacitors by Ji, Hengxing, Zhao, Xin, Qiao, Zhenhua, Jung, Jeil, Zhu, Yanwu, Lu, Yalin, Zhang, Li Li, MacDonald, Allan H., Ruoff, Rodney S.

“…Experimental electrical double-layer capacitances of porous carbon electrodes fall below ideal values, thus limiting the practical energy densities of…”
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Highly Conductive and Porous Activated Reduced Graphene Oxide Films for High-Power Supercapacitors by Zhang, Li Li, Zhao, Xin, Stoller, Meryl D, Zhu, Yanwu, Ji, Hengxing, Murali, Shanthi, Wu, Yaping, Perales, Stephen, Clevenger, Brandon, Ruoff, Rodney S

“…We present a novel method to prepare highly conductive, free-standing, and flexible porous carbon thin films by chemical activation of reduced graphene oxide…”
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The Origin of Improved Electrical Double-Layer Capacitance by Inclusion of Topological Defects and Dopants in Graphene for Supercapacitors by Chen, Jiafeng, Han, Yulei, Kong, Xianghua, Deng, Xinzhou, Park, Hyo Ju, Guo, Yali, Jin, Song, Qi, Zhikai, Lee, Zonghoon, Qiao, Zhenhua, Ruoff, Rodney S., Ji, Hengxing

“…Low‐energy density has long been the major limitation to the application of supercapacitors. Introducing topological defects and dopants in carbon‐based…”
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Nitrogen-Doped Hollow Carbon Nanospheres for High-Performance Li-Ion Batteries by Yang, Yufen, Jin, Song, Zhang, Zhen, Du, Zhenzhen, Liu, Huarong, Yang, Jia, Xu, Hangxun, Ji, Hengxing

“…N-doped carbon materials is of particular attraction for anodes of lithium-ion batteries (LIBs) because of their high surface areas, superior electrical…”
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Low-Temperature Chemical Vapor Deposition Growth of Graphene from Toluene on Electropolished Copper Foils by Zhang, Bin, Lee, Wi Hyoung, Piner, Richard, Kholmanov, Iskandar, Wu, Yaping, Li, Huifeng, Ji, Hengxing, Ruoff, Rodney S

“…A two-step CVD route with toluene as the carbon precursor was used to grow continuous large-area monolayer graphene films on a very flat, electropolished Cu…”
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Phosphorus‐Based Anodes for Fast Charging Lithium‐Ion Batteries: Challenges and Opportunities by Jin, Hongchang, Huang, Yingshan, Wang, Chaonan, Ji, Hengxing

“…Building better lithium‐ion batteries with higher power density is critical to enhancing the operational experience of portable electronics and electric…”
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Stretchable Graphene: A Close Look at Fundamental Parameters through Biaxial Straining by Ding, Fei, Ji, Hengxing, Chen, Yonghai, Herklotz, Andreas, Dörr, Kathrin, Mei, Yongfeng, Rastelli, Armando, Schmidt, Oliver G

“…Tunable biaxial stresses, both tensile and compressive, are applied to a single layer graphene by utilizing piezoelectric actuators. The Grüneisen parameters…”
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