GOALI - Collaborative Research: The Impact of Chemically Induced Stresses on Kinetic Processes and Degradation Mechanisms in Non-Stoichiometric Oxides

GOALI - 合作研究:化学诱导应力对非化学计量氧化物的动力学过程和降解机制的影响

基本信息

  • 批准号:
    1410850
  • 负责人:
  • 金额:
    $ 27.5万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2014
  • 资助国家:
    美国
  • 起止时间:
    2014-08-15 至 2019-07-31
  • 项目状态:
    已结题

项目摘要

NON-TECHNICAL DESCRIPTION: This research project focuses on several oxide materials that are important in energy related applications. The central phenomena of interest are linked to internal stresses that are created by changes in composition (for example, adding and removing lithium in a battery material). The specific findings from this project are contributing directly to the development of improved electrodes for high energy density lithium ion batteries for hybrid and electric vehicles, and improved materials for applications in fuel cells and catalysis. Knowledge transfer is occurring through both public dissemination and direct interactions with researchers and General Motors. TECHNICAL DETAILS: In ionic materials there is a complex interplay between internal stresses, defects in the material, electrochemical phenomena and kinetic processes (e.g., diffusion and phase transformations). These stresses lead to degradation and performance limitations in new materials that are being explored for both solid oxide fuel cells and lithium ion batteries. Scientific understanding of these stress-related issues is currently very limited. In this project, research into these phenomena is based on systematic and strategically planned investigations that closely integrate theory and experiments. The efforts at Brown University employ precise in situ measurements of stresses along with other experimental methods to develop novel approaches for probing a variety of complex phenomena where stress interactions with fundamental mechanisms are poorly understood (e.g., defect association, grain boundary segregation, multicomponent diffusion, etc.). Interpretation of these data relies on atomic scale modeling at Michigan State University. Students and faculty from both Universities are working directly with Dr. Yan Wu and other researchers at General Motors, in ways that expand educational outcomes and enhance knowledge transfer to industry. The overall understanding of stress effects on kinetic processes and degradation mechanisms obtained from this project is also relevant to a broader range of ionic solids.
非技术描述:该研究项目侧重于几种在能源相关应用中很重要的氧化物材料。 感兴趣的中心现象与成分变化产生的内应力有关(例如,在电池材料中添加和去除锂)。 该项目的具体发现直接有助于开发用于混合动力和电动汽车的高能量密度锂离子电池的改进电极,以及用于燃料电池和催化的改进材料。知识转移是通过公共传播和与研究人员和通用汽车公司的直接互动进行的。 技术规格:在离子材料中,内部应力、材料中的缺陷、电化学现象和动力学过程(例如,扩散和相变)。 这些应力导致正在探索用于固体氧化物燃料电池和锂离子电池的新材料的降解和性能限制。目前对这些与压力相关的问题的科学认识非常有限。 在这个项目中,对这些现象的研究是基于系统和战略规划的调查,紧密结合理论和实验。 布朗大学的努力采用精确的应力原位测量沿着其他实验方法,以开发新的方法来探测各种复杂现象,其中应力与基本机制的相互作用知之甚少(例如,缺陷关联、晶界偏析、多组分扩散等)。 对这些数据的解释依赖于密歇根州立大学的原子尺度模型。 来自两所大学的学生和教师直接与Yan Wu博士和通用汽车公司的其他研究人员合作,以扩大教育成果并加强向行业的知识转移。 从这个项目中获得的动力学过程和降解机制的应力效应的整体理解也与更广泛的离子固体有关。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Yue Qi其他文献

Carbon-Based Metallic Cobalt Pyrite Nanotubes as Stable Electrode Materials for Electrochemical Hydrogen Evolution
碳基金属钴黄铁矿纳米管作为电化学析氢稳定电极材料
  • DOI:
    10.1021/acsanm.0c01746
  • 发表时间:
    2020-07
  • 期刊:
  • 影响因子:
    5.9
  • 作者:
    Zheng Tian Shi;Yue Qi;Jianfa Zhang;Chu Cai Guo;Zhi Hong Zhu
  • 通讯作者:
    Zhi Hong Zhu
A object surface reflectance data modeling method for isotropic opaque materials
各向同性不透明材料的物体表面反射率数据建模方法
Icariside II induces cell cycle arrest and apoptosis in human glioblastoma cells through suppressing Akt activation and potentiating FOXO3a activity
Icariside II 通过抑制 Akt 激活和增强 FOXO3a 活性诱导人胶质母细胞瘤细胞的细胞周期停滞和凋亡
  • DOI:
  • 发表时间:
    2017
  • 期刊:
  • 影响因子:
    2.2
  • 作者:
    Quan Kai;Zhang Xin;Fan Kun;Liu Peixi;Yue Qi;Li Bo;Wu Jinfeng;Liu Baojun;Xu Yang;Hua Wei;Zhu Wei
  • 通讯作者:
    Zhu Wei
Fast Synthesis and Rendering of BTF on Arbitrary Surfaces
任意表面上 BTF 的快速合成和渲染
Environmental determination ofspring wheat yield inaclimatic transition zone underglobal warming
全球变暖气候过渡带春小麦产量的环境决定
  • DOI:
    10.1007/s00484-021-02196-9
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    3.2
  • 作者:
    Funian Zhao;Jun Lei;Runyuan Wang;Qiang Zhang;Yue Qi;Kai Zhang;Qu Guo;Heling Wang
  • 通讯作者:
    Heling Wang

Yue Qi的其他文献

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{{ truncateString('Yue Qi', 18)}}的其他基金

GOALI - Collaborative Research: Chemically induced stresses and degradation mechanisms in ceramic materials for Li ion batteries
GOALI - 合作研究:锂离子电池陶瓷材料的化学诱导应力和降解机制
  • 批准号:
    2054441
  • 财政年份:
    2021
  • 资助金额:
    $ 27.5万
  • 项目类别:
    Standard Grant
Collaborative Research: Promoting or Suppressing Solid-State Phase Transformation via Interface Control
合作研究:通过界面控制促进或抑制固态相变
  • 批准号:
    1905404
  • 财政年份:
    2020
  • 资助金额:
    $ 27.5万
  • 项目类别:
    Standard Grant
Collaborative Research: Promoting or Suppressing Solid-State Phase Transformation via Interface Control
合作研究:通过界面控制促进或抑制固态相变
  • 批准号:
    2054438
  • 财政年份:
    2020
  • 资助金额:
    $ 27.5万
  • 项目类别:
    Standard Grant
GOALI - Collaborative Research: Chemically induced stresses and degradation mechanisms in ceramic materials for Li ion batteries
GOALI - 合作研究:锂离子电池陶瓷材料的化学诱导应力和降解机制
  • 批准号:
    1832808
  • 财政年份:
    2018
  • 资助金额:
    $ 27.5万
  • 项目类别:
    Standard Grant

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