SBIR Phase I: Grain Boundary Doped Thin Film Mixed Conductor for Oxygen Separation

SBIR 第一阶段：用于氧分离的晶界掺杂薄膜混合导体

• 批准号: 0231850
• 负责人: Carl Evenson
• 金额: $ 10万
• 依托单位: Eltron Research, Inc.
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2003
• 资助国家: 美国
• 起止时间: 2003-01-01 至 2003-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0231850&HistoricalAwards=false
• 关键词: SBIR; Phase; Grain; Boundary; Doped

This Small Business Innovation Research Phase I project will focus on the production of grain boundary doped thin film mixed ionic - electronic conductors for optimized oxygen separation membranes. Ion transport properties of mixed conducting ceramics will be studied as a function of controlled grain boundary doping. Ceramics known to perform well for O2 separation will be doped with magnesium for increased performance. Doped thin films will be prepared, tested, and compared to un-doped films and films doped in the bulk rather than the grain boundary. Cost effective grain boundary doping will be accomplished through a tape casting procedure used to produce thin films which can be laminated onto porous supports for increased strength. O2 separation will be maximized while minimizing the amount of dopant used. Test structures will be mechanically characterized for strength and durability. A cost efficient method of separating O2 from air would be beneficial in a number of industries. Chemical industries would benefit from a cheap source of oxygen for the synthesis of value added chemicals; manufacturing industries such as steel, glass and paper, for example, would be able to heat furnaces more efficiently with an oxidant undiluted by nitrogen; and the energy industry would see improved performance in processes such as coal gasification and conversion of natural gas to syngas.

这个小企业创新研究第一阶段项目将集中在生产晶界掺杂薄膜混合离子电子导体优化氧气分离膜。混合导电陶瓷的离子输运特性将作为受控晶界掺杂的函数进行研究。已知在O2分离方面表现良好的陶瓷将掺杂镁以提高性能。掺杂的薄膜将被制备、测试，并与未掺杂的薄膜和在本体中而不是在晶界中掺杂的薄膜进行比较。成本有效的晶界掺杂将通过用于生产薄膜的流延过程来实现，该薄膜可以层压到多孔载体上以增加强度。O2分离将最大化，同时最小化所使用的掺杂剂的量。测试结构的强度和耐久性将进行机械表征。 从空气中分离O2的成本有效的方法在许多工业中将是有益的。化学工业将受益于廉价的氧气来源，用于合成增值化学品;例如，钢铁、玻璃和造纸等制造业将能够用不被氮气稀释的氧化剂更有效地加热熔炉;能源工业将看到煤气化和天然气转化为合成气等工艺的性能得到改善。