Hierarchical tunnel design for rapid transport of ion in solid state materials
固态材料中离子快速传输的分层隧道设计
基本信息
- 批准号:17360464
- 负责人:
- 金额:$ 9.54万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2005
- 资助国家:日本
- 起止时间:2005 至 2006
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
1. We established the solid state method for synthesis of vanadium cobalt oxide, CoV_3O_8, which has tunnels for one dimensional ionic transport. It was examined as electrode material for lithium ion battery. The electrochemical reaction of CoV_3O_8 with lithium was found to proceed as follows. First lithium intercalated in CoV_3O_8. Second an amorphous substance was generated. Finally a crystalline substance, whose XRD peaks can be indexed on the basis of a face centered cubic cell, was generated. On the other hand, charge can be done. Therefore, discharge-charge cycles were possible. In particular, high coulombic efficiency near unity in the second cycle or later was observed. Measurement and analysis of open circuit potentials at various lithium insertion levels indicated that such reversible discharge-charge was due to lithium insertion in the amorphous substance and extraction out of that.2. Hexagonal tungsten trioxide (h-WO_3), which has tunnels in its structure, is a metastable … More phase of WO_3. The tunnel accommodates various kinds of ions and provides them transport path. Amorphous peroxopolytungstic acid (PPTA), which is one of solid state acids, is a significant precursor of hexagonal tungsten trioxide. We analyzed structure of this material using X-ray absorption measurements. As a result, we acquired knowledge concerning correlation of polyhedral variation with temperatures of thermal treatment. For instance, corner shared polyhedra became dominant, compared to edge shared ones with increase in temperature. The polymerization of the polyhedra and change in coordination number of W-O were clarified. Furthermore, the evolution of structural change from PPTA to h-WO_3 was observed.3. Ba_2In_2O_5 is known to have oxygen vacancy in high concentration, which allows oxide ionic conduction. We synthesized various Ba_2In_2O_5-derivative oxides and studied their properties. BaIn_<1-x>M_xO_<3-δ> (M = Fe and Co) was found to be a good electronic and oxide ionic conductor. A single chamber fuel cells using high oxide ionic conductor BaLaInO_<5.5> were constructed. The relationship between fuel supply conditions and performance of the cell was studied in detail. Less
1.我们建立了固相法合成具有一维离子输运通道的钒钴氧化物CoV_3O_8。将其作为锂离子电池的电极材料进行了研究。发现CoV_3O_8与锂的电化学反应如下进行。首次锂嵌入CoV_3O_8中。第二,生成无定形物质。最后,生成结晶物质,其XRD峰可以基于面心立方晶胞进行索引。另一方面,收费是可以做到的。因此,放电-充电循环是可能的。特别地,观察到在第二次循环或之后接近1的高库仑效率。对不同嵌锂量下开路电位的测量和分析表明,这种可逆的充放电是由于锂在非晶态物质中的嵌锂和从非晶态物质中的脱锂.三氧化钨(h-WO_3)是一种具有隧道结构的介稳氧化钨, ...更多信息 WO_3相。无定形过氧多钨酸(PPTA)是一种固体酸,是六方钨氧化物的重要前驱体。我们用X射线吸收测量分析了这种材料的结构。结果,我们获得了关于多面体变化与热处理温度的相关性的知识。例如,角共享多面体成为主导,相比,边共享的温度增加。阐明了多面体的聚合和W-O配位数的变化。此外,还研究了PPTA到h-WO_3的结构变化过程.已知Ba_2In_2O_5具有高浓度的氧空位,这允许氧化物离子导电。我们合成了各种Ba_2In_2O_5衍生氧化物并研究了它们的性质。BaIn_<1-x>M_xO_(3-δ)(M = Fe和Co)是一种良好的电子和氧化物离子导体。采用高氧化物离子导体BaLaInO_2制作了单室燃料电池<5.5>。详细研究了燃料供给条件与电池性能的关系。少
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Improvement of Cycle Life of Spinel Type of Lithium Manganese Oxide by Addition of Other Spinel Compounds
添加其他尖晶石化合物提高尖晶石型锂锰氧化物的循环寿命
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:Mitsuhiro Hibino;Masayuki Nakamura;Yuji Kamitaka;Naoshi Ozawa;Takeshi Yao
- 通讯作者:Takeshi Yao
Single Chamber Solid Oxide Fuel Cell using BaLaIn205.5 Solid Electrolyte
使用BaLaIn205.5固体电解质的单室固体氧化物燃料电池
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Mitsuhiro Hibino;Masayuki Nakamura;Yuji Kamitaka;Naoshi Ozawa;Takeshi Yao;Mitsuhiro Hibino;Teruaki Kobayashi;Seiichi Asahara
- 通讯作者:Seiichi Asahara
Improvement of cycle life of spinel type of lithium manganese oxide by addition of other spinel compounds during synthesis
- DOI:10.1016/j.ssi.2006.03.024
- 发表时间:2006-10
- 期刊:
- 影响因子:3.2
- 作者:M. Hibino;Masayuki Nakamura;Yuji Kamitaka;Naoshi Ozawa;T. Yao
- 通讯作者:M. Hibino;Masayuki Nakamura;Yuji Kamitaka;Naoshi Ozawa;T. Yao
Electric Property of Mixed Conductor BaIn_<1-x>Co_xO_<3-δ>
混合导体BaIn_<1-x>Co_xO_<3-δ>的电学性质
- DOI:
- 发表时间:2006
- 期刊:
- 影响因子:0
- 作者:Teruaki Kobayashi;Yasuaki Senoo;Mitsuhiro Hibino;Takeshi Tao
- 通讯作者:Takeshi Tao
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YAO Takeshi其他文献
YAO Takeshi的其他文献
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{{ truncateString('YAO Takeshi', 18)}}的其他基金
Relaxation Analysis of Electrode Materials for Secondary Lithium Ion Battery
二次锂离子电池电极材料的弛豫分析
- 批准号:
26289376 - 财政年份:2014
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Relaxation Analysis of Electrode Material
电极材料的弛豫分析
- 批准号:
24656581 - 财政年份:2012
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Development of high power density electrode system on the basis ofconstruction of ionic conduction channel of hierarchic structure
基于多级结构离子传导通道构建的高功率密度电极系统的研制
- 批准号:
21360479 - 财政年份:2009
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Construction of ion conduction channel of hierarchic structure and its application to high power battery materials
多级结构离子传导通道的构建及其在高动力电池材料中的应用
- 批准号:
19360438 - 财政年份:2007
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
STRUCTURAL DESIGN OF HIGHLY ORIENTED LAYERED-MATERIAL FOR LITHIUM ION SECONDARY BATTERIES
锂离子二次电池高取向层状材料的结构设计
- 批准号:
15360510 - 财政年份:2003
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Development of Novel Vanadium Oxide Compound for Lithium Ion Secondary Battery
锂离子二次电池用新型钒氧化物的研制
- 批准号:
13480137 - 财政年份:2001
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Synthesis of Solid Oxide Fuel Cell with Graded Structure from Aqueous Solution
水溶液合成梯度结构固体氧化物燃料电池
- 批准号:
11480118 - 财政年份:1999
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Scientific Research (B).
Development of Solid Oxide Fuel Cell by Using Synthesis from Aqueous Solutions
利用水溶液合成技术开发固体氧化物燃料电池
- 批准号:
09355020 - 财政年份:1997
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Analysis of Electrochemical Lithium Topochemical Reactions into Superstructure Spinel Oxides
超结构尖晶石氧化物的电化学锂拓扑化学反应分析
- 批准号:
08455396 - 财政年份:1996
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Valence and Coordination State Analysis for Transition Metal Ions Mixed Conductive Perovskite Oxides
过渡金属离子混合导电钙钛矿氧化物的价态和配位态分析
- 批准号:
06650779 - 财政年份:1994
- 资助金额:
$ 9.54万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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通过分子模拟研究掺杂聚合物中的离子电导率
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