CAREER: Dynamic Phenomena in Complex Oxides During Electrochemical Processes

职业:电化学过程中复杂氧化物的动态现象

基本信息

  • 批准号:
    1057170
  • 负责人:
  • 金额:
    $ 45万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2011
  • 资助国家:
    美国
  • 起止时间:
    2011-07-01 至 2016-06-30
  • 项目状态:
    已结题

项目摘要

NON-TECHNICAL DESCRIPTION: Energy storage is the enabling key to the environmentally-friendly transportation and the economic deployment of renewable energy sources. All electrochemical energy storage and conversion materials function as 'living' systems (batteries, pseudocapacitors and fuel cells), within which electrons and ions are moving during charge and discharge. These electronic and ionic motions often trigger defect generation and phase transformations, and consequently result in significant changes in energy density and rate capability of the materials. Establishing the fundamental basis for these dynamical mechanisms during electrochemical processes will accelerate the creation of new synthetic materials with superior energy storage and conversion properties. TECHNICAL DETAILS: This research targets the systematic synthesis, structural characterization and properties evaluation of a series of transition metal oxides xA2MnO3(1-x)Ay(NiMn)O2 (A=Li+, Na+ the mobile species) that are capable of storing energy reversibly. These oxides have intriguing and complex features including nanometer-scale phase separation upon cycling and dynamic cation redistribution at various state of charge, that significantly affect the mobility of the guest species. The reduction-oxidation processes that occur upon releasing the guest species, not only may alter the cation distributions, but also modify the solid-solid interfaces within the material, which are critical to the transport properties as well as the structural stability of the electrodes. The developed framework can be applied as the basis for controlling the dynamic phenomena in solid-state materials for energy storage; such knowledge is critical and transformational to design and develop new materials that will allow higher and faster energy storage and longer lifetime in electrochemical energy storage and conversion systems. The broader impacts of this grant are integrated with the research objectives. The PI's education efforts include a). Vertically integrating precollegiate, undergraduate and graduate education and training through tools, practical examples and hands-on laboratory experiences b). Fostering a strong awareness and appreciation for diversity of cultural and educational backgrounds and experience and research approaches among the students to directly impact the diversity on UCSD campus, and c). Engaging in teaching and research in an international science and engineering environment, including organizing an annual international workshop and research-focused exchange program.
非技术描述:储能是实现可再生能源环保运输和经济部署的关键。所有的电化学能量存储和转换材料的功能都是“活”系统(电池、伪电容器和燃料电池),其中电子和离子在充放电过程中移动。这些电子和离子运动经常引发缺陷的产生和相变,从而导致材料的能量密度和速率能力发生重大变化。建立电化学过程中这些动力学机制的基本基础将加速具有优异储能和转换性能的新型合成材料的创造。技术细节:本研究的目标是系统合成一系列能够可逆存储能量的过渡金属氧化物xA2MnO3(1-x)Ay(NiMn)O2 (a =Li+, Na+的流动物种),结构表征和性能评价。这些氧化物具有有趣和复杂的特征,包括循环时的纳米级相分离和各种电荷状态下的动态阳离子再分配,这显著影响客体的迁移率。客体物质释放后发生的还原氧化过程不仅可以改变阳离子分布,还可以改变材料内的固体-固体界面,这对电极的传输特性和结构稳定性至关重要。该框架可作为控制固态储能材料动态现象的基础;这些知识对于设计和开发新材料至关重要,这些新材料将在电化学能量存储和转换系统中实现更高更快的能量存储和更长的使用寿命。这项资助的更广泛影响与研究目标相结合。PI的教育工作包括a)。通过工具、实际例子和动手实验室经验,垂直整合大学预科、本科和研究生教育和培训。培养学生对文化和教育背景、经验和研究方法多样性的强烈认识和欣赏,以直接影响加州大学圣地亚哥分校校园的多样性;在国际科学和工程环境中从事教学和研究工作,包括每年组织一次国际研讨会和研究交流计划。

项目成果

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Ying Meng其他文献

Preparation of new chelating fiber with waste PET as adsorbent for fast removal of Cu2+ and Ni2+ from water: Kinetic and equilibrium adsorption studies
以废PET为吸附剂制备新型螯合纤维快速去除水中的Cu2和Ni2:动力学和平衡吸附研究
  • DOI:
    10.1016/j.cej.2012.03.070
  • 发表时间:
    2012-06
  • 期刊:
  • 影响因子:
    15.1
  • 作者:
    Jinnan Wang;Li Xu;Cheng Cheng;Ying Meng;Aimin Li
  • 通讯作者:
    Aimin Li
Modified Johnson-Cook Constitutive Model of Aerial Aluminum Alloy 7050-T7415 Considering the Forming Direction Effect
Electrical characteristics and formation mechanism of atmospheric pressure plasma jet
大气压等离子体射流电学特性及形成机理
  • DOI:
    10.1063/1.4884939
  • 发表时间:
    2014-06
  • 期刊:
  • 影响因子:
    4
  • 作者:
    Yu ZHang;Weijing Tian;Ying Meng;Jiting Ouyang
  • 通讯作者:
    Jiting Ouyang
How does family-supportive supervision influence work-family conflict in China? The role of boundary control and empowerment-focused HRM
家庭支持性监督如何影响中国的工作与家庭冲突?
  • DOI:
  • 发表时间:
    2022
  • 期刊:
  • 影响因子:
    2.9
  • 作者:
    Guilan Yu;Ying Meng;Chengxu Zhou
  • 通讯作者:
    Chengxu Zhou
Formation of iron-rich encrustation layer on anammox granules for high load stress resistance: Performance, advantages, and mechanisms
厌氧氨氧化颗粒污泥上富铁结壳层的形成以抵抗高负荷压力:性能、优势及机制
  • DOI:
    10.1016/j.biortech.2024.131046
  • 发表时间:
    2024-08-01
  • 期刊:
  • 影响因子:
    9.000
  • 作者:
    Yahua Wang;Shiqing Nie;Qingke Yuan;Yanfeng Liu;Ying Meng;Fubo Luan
  • 通讯作者:
    Fubo Luan

Ying Meng的其他文献

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{{ truncateString('Ying Meng', 18)}}的其他基金

Conference: Workshop on Future Scientific Instruments for Alloys, Amorphous, and Composite Materials Research
会议:合金、非晶和复合材料研究的未来科学仪器研讨会
  • 批准号:
    2238231
  • 财政年份:
    2022
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
MRI: Acquisition of a Xeuss 3.0 with Genix 3D Small-Angle X-ray Scattering Instrument
MRI:使用 Genix 3D 小角度 X 射线散射仪采集 Xeuss 3.0
  • 批准号:
    2117657
  • 财政年份:
    2021
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
PFI-RP: Developing Cost Effective, Safe, and Sustainable Batteries for Grid Energy Storage
PFI-RP:开发具有成本效益、安全且可持续的电网储能电池
  • 批准号:
    2044465
  • 财政年份:
    2021
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant
Interfacial Science and Defect Engineering of Functional Oxides for Na-ion Storage and Transport
用于钠离子存储和运输的功能氧化物的界面科学和缺陷工程
  • 批准号:
    1608968
  • 财政年份:
    2016
  • 资助金额:
    $ 45万
  • 项目类别:
    Continuing Grant
2014 Professional Development Workshop in Ceramics, September 4-5, 2014
2014年陶瓷专业发展研讨会,2014年9月4-5日
  • 批准号:
    1440400
  • 财政年份:
    2014
  • 资助金额:
    $ 45万
  • 项目类别:
    Standard Grant

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通过考虑下一代小型反应堆和废物装置来研究复杂的多参数动态现象的启发式
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通过低压等离子体和动态液态金属之间的相互作用对天体物理现象进行实验室模拟
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Dynamic Optical Studies of Transport Phenomena Associated with Melting and Recrystallization at the Nanoparticle-Ice Interface
与纳米颗粒-冰界面熔化和再结晶相关的输运现象的动态光学研究
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高速原子力显微镜中引起无法解释的动态现象的关键参数的确定
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