Search Results - "Zhu, Yanwu"

Graphene-Based Ultracapacitors by Stoller, Meryl D, Park, Sungjin, Zhu, Yanwu, An, Jinho, Ruoff, Rodney S

“…The surface area of a single graphene sheet is 2630 m2/g, substantially higher than values derived from BET surface area measurements of activated carbons used…”
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Synthesis of graphene-like nanosheets and their hydrogen adsorption capacity by Srinivas, G., Zhu, Yanwu, Piner, Richard, Skipper, Neal, Ellerby, Mark, Ruoff, Rod

“…Graphene-like nanosheets have been synthesized by the reduction of a colloidal suspension of exfoliated graphite oxide. The morphology and structure of the…”
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Tailoring the Structure of Carbon Nanomaterials toward High‐End Energy Applications by Liu, Daobin, Ni, Kun, Ye, Jianglin, Xie, Jian, Zhu, Yanwu, Song, Li

“…Carbon nanomaterials are perceived to be ideally suited candidates for high‐end energy applications, owing to their unparalleled advantages including superior…”
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Graphene and Graphene Oxide: Synthesis, Properties, and Applications by Zhu, Yanwu, Murali, Shanthi, Cai, Weiwei, Li, Xuesong, Suk, Ji Won, Potts, Jeffrey R., Ruoff, Rodney S.

“…There is intense interest in graphene in fields such as physics, chemistry, and materials science, among others. Interest in graphene's exceptional physical…”
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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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Nanostructured Reduced Graphene Oxide/Fe2O3 Composite As a High-Performance Anode Material for Lithium Ion Batteries by Zhu, Xianjun, Zhu, Yanwu, Murali, Shanthi, Stoller, Meryl D, Ruoff, Rodney S

“…Reduced graphene oxide/Fe2O3 composite was prepared using a facile two-step synthesis by homogeneous precipitation and subsequent reduction of the G-O with…”
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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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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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Thermal Transport in Suspended and Supported Monolayer Graphene Grown by Chemical Vapor Deposition by Cai, Weiwei, Moore, Arden L, Zhu, Yanwu, Li, Xuesong, Chen, Shanshan, Shi, Li, Ruoff, Rodney S

“…Graphene monolayer has been grown by chemical vapor deposition on copper and then suspended over a hole. By measuring the laser heating and monitoring the…”
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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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Advances in in-situ characterizations of electrode materials for better supercapacitors by Su, Xiaoli, Ye, Jianglin, Zhu, Yanwu

“…Advanced techniques and in situ experiments are essential to study the complex interfacial processes in supercapacitor. The development of in-situ…”
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Microwave assisted exfoliation and reduction of graphite oxide for ultracapacitors by Zhu, Yanwu, Murali, Shanthi, Stoller, Meryl D., Velamakanni, Aruna, Piner, Richard D., Ruoff, Rodney S.

“…We report a simple yet versatile method to simultaneously achieve the exfoliation and reduction of graphite oxide. By treating graphite oxide powders in a…”
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High Capacity and Energy Density of Zn–Ni–Co–P Nanowire Arrays as an Advanced Electrode for Aqueous Asymmetric Supercapacitor by Lei, Xueyan, Ge, Shicheng, Tan, Yihong, Wang, Zhi, Li, Jing, Li, Xuefeng, Hu, Guojing, Zhu, Xingqun, Huang, Meng, Zhu, Yanwu, Xiang, Bin

“…Developing multicomponent transition-metal phosphides has become an efficient way to improve the capacitive performance of single-component transition-metal…”
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Incorporation of Manganese Dioxide within Ultraporous Activated Graphene for High-Performance Electrochemical Capacitors by Zhao, Xin, Zhang, Lili, Murali, Shanthi, Stoller, Meryl D, Zhang, Qinghua, Zhu, Yanwu, Ruoff, Rodney S

“…Manganese dioxide (MnO2) particles 2–3 nm in size were deposited onto a porous “activated microwave expanded graphite oxide” (aMEGO) carbon scaffold via a…”
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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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Assembling carbon quantum dots to a layered carbon for high-density supercapacitor electrodes by Chen, Guanxiong, Wu, Shuilin, Hui, Liwei, Zhao, Yuan, Ye, Jianglin, Tan, Ziqi, Zeng, Wencong, Tao, Zhuchen, Yang, Lihua, Zhu, Yanwu

“…It is found that carbon quantum dots (CQDs) self-assemble to a layer structure at ice crystals-water interface with freeze- drying. Such layers interconnect…”
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Large area few-layer graphene/graphite films as transparent thin conducting electrodes by Cai, Weiwei, Zhu, Yanwu, Li, Xuesong, Piner, Richard D., Ruoff, Rodney S.

“…By dissolving carbon atoms decomposed from methane in a metal substrate at high temperatures, large area uniform few-layer graphene (FLG)/graphite films were…”
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Transfer of Large-Area Graphene Films for High-Performance Transparent Conductive Electrodes by Li, Xuesong, Zhu, Yanwu, Cai, Weiwei, Borysiak, Mark, Han, Boyang, Chen, David, Piner, Richard D, Colombo, Luigi, Ruoff, Rodney S

“…Graphene, a two-dimensional monolayer of sp2-bonded carbon atoms, has been attracting great interest due to its unique transport properties. One of the…”
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Graphene Films with Large Domain Size by a Two-Step Chemical Vapor Deposition Process by Li, Xuesong, Magnuson, Carl W, Venugopal, Archana, An, Jinho, Suk, Ji Won, Han, Boyang, Borysiak, Mark, Cai, Weiwei, Velamakanni, Aruna, Zhu, Yanwu, Fu, Lianfeng, Vogel, Eric M, Voelkl, Edgar, Colombo, Luigi, Ruoff, Rodney S

“…The fundamental properties of graphene are making it an attractive material for a wide variety of applications. Various techniques have been developed to…”
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Carbon-Based Supercapacitors Produced by Activation of Graphene by Zhu, Yanwu, Murali, Shanthi, Stoller, Meryl D., Ganesh, K. J., Cai, Weiwei, Ferreira, Paulo J., Pirkle, Adam, Wallace, Robert M., Cychosz, Katie A., Thommes, Matthias, Su, Dong, Stach, Eric A., Ruoff, Rodney S.

“…Supercapacitors, also called ultracapacitors or electrochemical capacitors, store electrical charge on high-surface-area conducting materials. Their widespread…”
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