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首页> 外文期刊>Instrumentation science & technology: Designs and applications for chemistry, biotechnology, and environmental science >Three-dimensionally architectured tungsten trioxide/tungsten trioxide hydrate/carbon cloth composite as a binder-free anode for lithium-ion batteries
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Three-dimensionally architectured tungsten trioxide/tungsten trioxide hydrate/carbon cloth composite as a binder-free anode for lithium-ion batteries

机译：三维架构钨三氧化钨/钨三氧化物水合物/碳布复合物作为锂离子电池的无粘合剂阳极

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摘要

The exploration of suitable host structures as anodes is essential for lithium-ion batteries. In this work, a three-dimensionally architectured tungsten trioxide/tungsten trioxide hydrate/carbon cloth composite was synthesized by a simple and cost-effective hydrothermal process. The obtained tungsten trioxide/tungsten trioxide hydrate/carbon cloth composite was directly used as the binder-free electrode and evaluated as an anode for lithium-ion batteries by cyclic voltammetry, galvanostatic discharge-charge measurements, and electrochemical impedance spectroscopy. The binder-free electrode exhibits a high reversible lithium storage capacity of 825 mA h g(-1) after 100 cycles at a current density of 0.1 A g(-1). When cycled at a current density of 2 A g(-1), a capacity of 309 mA h g(-1) remained. The excellent electrochemical performance may be due to the unique self-assembled tungsten trioxide/tungsten trioxide hydrate nanorods on the carbon cloth conductive substrate with a three-dimensional architecture.
机译：合适的宿主结构作为阳极的探索对于锂离子电池是必不可少的。在这项工作中，通过简单且经济高效的水热过程合成了三维架构的三氧化钨/碳化三氧化钨/碳布料。将获得的三氧化钨/钨三氧化钨水合物/碳布复合物直接用作无粘合剂电极，并通过循环伏安法，电镀电荷测量和电化学阻抗光谱评价为锂离子电池的阳极。在电流密度为0.1Ag（-1）的100个循环之后，无粘合剂电极在100次循环之后表现出825mA H（-1）的高可逆锂储存容量。当以2Ag（-1）的电流密度循环时，容量为309mA H（-1）。优异的电化学性能可能是由于碳布导电基板上独特的自组装钨三氧化钨/钨三氧化物水合物，具有三维架构。

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