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Batteries and Fuel Cells03:12

Batteries and Fuel Cells

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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相关实验视频

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High Temperature Fabrication of Nanostructured Yttria-Stabilized-Zirconia YSZ Scaffolds by In Situ Carbon Templating Xerogels
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塑喷涂高性能 (Bi2O3) 0.75(Y2O3) 0.25电解质用于中温固体氧化物燃料电池 (IT-SOFCs).

Rui Chen1, Shan-Lin Zhang1, Chang-Jiu Li1

  • 1State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049 Shaanxi People's Republic of China.

Journal of thermal spray technology
|April 16, 2024
PubMed
概括

射等离子体使高性能甲氧化物电解质用于中温固体氧化物燃料电池 (IT-SOFC) 的沉积成为可能. 这种方法产生了密度高,稳定的电解质,具有出色的离子导电性,与传统散装材料相提并论.

关键词:
在IT-SOFC中使用.在YSB电解质中.导电性的导电性.射等离子体喷方式

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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
  • 陶工程 陶工程 陶工程

背景情况:

  • 稀土元素合的石氧化物 (δ-Bi2O3) 显示出高氧离子导电性,使它们适用于中温固体氧化物燃料电池 (IT-SOFC).
  • 传统的联合化不适合基于Bi2O3的低点电解质,需要IT-SOFCs的替代制造方法.

研究的目的:

  • 调查使用等离子喷雾来沉积高性能Bi2O3基电解质而无需随后的高温处理的可行性.
  • 为了检查沉积温度对等离子体喷射 bismuth oxide 电解质的微观结构,晶体稳定性和离子导电性的影响.

主要方法:

  • 使用烧结粉碎方法制备 (Bi2O3) 0.75(Y2O3) 0.25 (YSB) 喷雾粉末.
  • 通过在不同沉积温度下通过等离子体喷射制造YSB电解质.
  • 涂层微观结构,晶相和离子导电性的表征.

主要成果:

  • 用等离子体喷的YSB电解质呈现出密集的微观结构,具有良好的粘合板状接口.
  • 在350°C的沉积温度下,使用37.5-75μm粉末成功沉积了一种纯 δ相YSB电解质.
  • 沉积的YSB电解质在700°C时达到0.19 S cm-1的离子导电率,与化散装材料的0.21 S cm-1非常接近.

结论:

  • 射等离子体是一种可行的技术,用于制造IT-SOFC的高性能Bi2O3基电解质.
  • 沉积温度显著影响了血喷射YSB电解质的特性.
  • 开发的等离子喷雾电解质提供与传统散装材料相比较的离子导电性,为高效的IT-SOFC制造铺平了道路.