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相关概念视频

Batteries and Fuel Cells03:12

Batteries and Fuel Cells

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A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
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Bonding in Metals

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Metallic bonds are formed between two metal atoms. A simplified model to describe metallic bonding has been developed by Paul Drüde called the “Electron Sea Model”. 
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相关实验视频

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Development and Validation of Chromium Getters for Solid Oxide Fuel Cell Power Systems
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复合电解质用于低温SOFCs在390°C工作.

Yu Liu1,2, Liwen Zuo2, Cong Jiang2

  • 1School of Electronic Engineering, Wuhan Vocational College of Software and Engineering, Wuhan, Hubei, PR China.

iScience
|August 3, 2023
PubMed
概括

这项研究开发了一种用于低温固体氧化物燃料电池 (LT-SOFCs) 的新型复合电解质. YSZ-BZY电解质表现出极好的离子导电性和输出功率,显示出高效的能量转换的巨大潜力.

科学领域:

  • 材料科学 材料科学 材料科学
  • 电化学 电化学 电化学
  • 能源转换 能源转换

背景情况:

  • 固体氧化物燃料电池 (SOFC) 是一个有前途的能量转换装置.
  • 开发低温SOFC (LT-SOFC) 的高效电解质对于更广泛的应用至关重要.

研究的目的:

  • 为LT-SOFCs开发和描述一种新的复合电解质.
  • 为了评估使用YSZ-BZY复合电解质的SOFC的性能.

主要方法:

  • 使用伊特里亚稳定 (YSZ) 和 (NO3) 2粉末制造一个对称的SOFC.
  • 在现场将电解质转化为在气氛中在450°C的YSZ--配合的酸 (BZY) 复合物.
  • 使用X射线衍射和拉曼光谱学进行表征.
  • 在不同温度下对SOFC的性能测试.

主要成果:

  • YSZ-Ba ((NO3) 2) 电解质成功转化为一个YSZ-BZY复合物.
  • 基于YSZ-BZY的燃料电池在450°C时达到634.06mW cm-2的最大功率密度.
  • 在降低 390°C 的温度下保持 300 mW cm-2 的稳定功率密度.
  • 复合电解质表现出优异的离子导电性,这是由于联合的质子和氧导电.
关键词:
癌症 癌症 癌症 癌症医学 医学 医学 医学 医学系统生物学 系统生物学

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结论:

  • 开发的YSZ-BZY复合电解质证明了LT-SOFCs的卓越性能.
  • 在低温下增强的离子导电性归因于YSZ和BZY之间的协同效应.
  • 这种材料在推进LT-SOFC技术方面具有重大潜力.