The Experts below are selected from a list of 179430 Experts worldwide ranked by ideXlab platform
Yinzhu Jiang - One of the best experts on this subject based on the ideXlab platform.
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hetero interface constructs ion reservoir to enhance conversion Reaction Kinetics for sodium lithium storage
Energy Storage Materials, 2019Co-Authors: Libin Fang, Wenhao Guan, Peng Zhou, Naoufal Bahlawane, Yunhao Lu, Chu Liang, Yinzhu JiangAbstract:Abstract Developing high-capacity electrode materials is most vital to high-energy rechargeable batteries. The conversion Reaction-based anode materials deliver substantially higher theoretical capacities in respect to intercalation-based materials. However, the sluggish conversion Reaction Kinetics is a big obstacle to deliver high practical capacity and rate capability, which is particularly severe for sodium storage. Herein, we implement an interface engineering approach by designing hetero-interfaces to enhance conversion Reaction. As a proof of concept, Sb2S3-SnS2 hetero-nanostructures are synthesized and show greatly improved electrochemical performance in terms of specific capacity and rate capability. The DFT calculations reveal that the hetero-interfacial electric field prompts sodium ions pump into the interfaces, which greatly reduces the activation barrier and hence accelerates Reaction Kinetics. The Sb2S3-SnS2 hetero-interface serves therefore as a “reservoir” and fast diffusion channel for sodium or lithium ions. The obtained results provide important insights into engineering efficient hetero-nanostructures towards fast conversion Reaction Kinetics for rechargeable batteries.
Rainer Abart - One of the best experts on this subject based on the ideXlab platform.
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Mineral Reaction Kinetics: Microstructures, textures, chemical and isotopic signatures - Mineral Reaction Kinetics: Microstructures, textures, chemical and isotopic signatures
2017Co-Authors: Wilhelm Heinrich, Rainer AbartAbstract:This volume accompanies an EMU School intended to bring contemporary research on mineral Reaction Kinetics to the attention of young researchers and to put it into the context of recent developments in related disciplines. A selection of topics, methods and concepts, which the contributors deem currently most relevant and instructive, is presented.
Libin Fang - One of the best experts on this subject based on the ideXlab platform.
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hetero interface constructs ion reservoir to enhance conversion Reaction Kinetics for sodium lithium storage
Energy Storage Materials, 2019Co-Authors: Libin Fang, Wenhao Guan, Peng Zhou, Naoufal Bahlawane, Yunhao Lu, Chu Liang, Yinzhu JiangAbstract:Abstract Developing high-capacity electrode materials is most vital to high-energy rechargeable batteries. The conversion Reaction-based anode materials deliver substantially higher theoretical capacities in respect to intercalation-based materials. However, the sluggish conversion Reaction Kinetics is a big obstacle to deliver high practical capacity and rate capability, which is particularly severe for sodium storage. Herein, we implement an interface engineering approach by designing hetero-interfaces to enhance conversion Reaction. As a proof of concept, Sb2S3-SnS2 hetero-nanostructures are synthesized and show greatly improved electrochemical performance in terms of specific capacity and rate capability. The DFT calculations reveal that the hetero-interfacial electric field prompts sodium ions pump into the interfaces, which greatly reduces the activation barrier and hence accelerates Reaction Kinetics. The Sb2S3-SnS2 hetero-interface serves therefore as a “reservoir” and fast diffusion channel for sodium or lithium ions. The obtained results provide important insights into engineering efficient hetero-nanostructures towards fast conversion Reaction Kinetics for rechargeable batteries.
Victor R Vasquez - One of the best experts on this subject based on the ideXlab platform.
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Reaction Kinetics of hydrothermal carbonization of loblolly pine
Bioresource Technology, 2013Co-Authors: Toufiq M Reza, Wei Yan, Helal M Uddin, Joan G Lynam, Kent S Hoekman, Charles J Coronella, Victor R VasquezAbstract:Abstract Hydrothermal carbonization (HTC) is a pretreatment process to convert diverse feedstocks to homogeneous energy-dense solid fuels. Understanding of Reaction Kinetics is necessary for reactor design and optimization. In this study, the Reaction Kinetics and effects of particle size on HTC were investigated. Experiments were conducted in a novel two-chamber reactor maintaining isothermal conditions for 15 s to 30 min Reaction times. Loblolly pine was treated at 200, 230, and 260 °C. During the first few minutes of Reaction, the solid-product mass yield decreases rapidly while the calorific value increases rapidly. A simple Reaction mechanism is proposed and validated, in which both hemicellulose and cellulose degrade in parallel first-order Reactions. Activation energy of hemicellulose and cellulose degradation were determined to be 30 and 73 kJ/mol, respectively. For short HTC times, both Reaction and diffusion effects were observed.
Wilhelm Heinrich - One of the best experts on this subject based on the ideXlab platform.
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Mineral Reaction Kinetics: Microstructures, textures, chemical and isotopic signatures - Mineral Reaction Kinetics: Microstructures, textures, chemical and isotopic signatures
2017Co-Authors: Wilhelm Heinrich, Rainer AbartAbstract:This volume accompanies an EMU School intended to bring contemporary research on mineral Reaction Kinetics to the attention of young researchers and to put it into the context of recent developments in related disciplines. A selection of topics, methods and concepts, which the contributors deem currently most relevant and instructive, is presented.
