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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Synthesis and characterization of V2O5-SiO2 xerogel composites prepared by base catalysed sol-gel method
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Synthesis and characterization of V2O5-SiO2 xerogel composites prepared by base catalysed sol-gel method

机译：碱催化溶胶-凝胶法制备V2O5-SiO2干凝胶复合材料的表征

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摘要

In this report, the base-catalyzed sol-gel synthesis and electrochemical properties of homogeneous mixed oxide xerogel composite composed of vanadium pentoxide xerogel dispersed in a silica matrix are described. It was verified that the immobilization of vanadium pentoxide xerogel in a silica matrix does not affect its lamellar structure or its electrochemical properties. The silica matrix provides an improvement of the electrochemical properties, mainly in relation to the lithium electroinsertion into the oxide matrix with little decrease in the total charge during successive redox cycles. Moreover, the voltammetric behavior is dependent on the support electrolyte solution with varying cationic species. The effects of different catalysts were investigated. (c) 2006 Elsevier B.V. All rights reserved.
机译：在该报告中，描述了由五氧化二钒干凝胶分散在二氧化硅基质中组成的均相混合氧化物干凝胶复合材料的碱催化溶胶-凝胶合成和电化学性能。证实了将五氧化二钒干凝胶固定在二氧化硅基质中不会影响其层状结构或电化学性能。二氧化硅基体提供了电化学性能的改善，主要是与将锂电插入氧化物基体中有关，而在连续的氧化还原循环中总电荷几乎没有减少。而且，伏安行为取决于具有变化的阳离子种类的支持电解质溶液。研究了不同催化剂的影响。 （c）2006 Elsevier B.V.保留所有权利。

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