用于电力应用的高Tc超导材料
D Larbalestier1, A Gurevich, D M Feldmann
1Applied Superconductivity Center, Department of Materials Science and Engineering, University of Wisconsin, Madison, Wisconsin 53706, USA. larbalestier@engr.wisc.edu
Nature
|November 20, 2001
概括
高温超导体,如基于比斯的酸盐和酸盐对电力工业设备至关重要. 高性能导体的低成本制造是广泛采用超导技术的关键.
科学领域:
- 材料科学 材料科学 材料科学
- 凝聚物质物理学 凝聚物质物理学
- 电气工程 电气工程
背景情况:
- 高性能超导电线对于需要低冷损耗的电力行业应用是必不可少的.
- 关键材料包括 (Bi,Pb) 2Sr2Ca2Cu3Ox,YBa2Cu3Ox,以及可能的MgB2,每个材料都有独特的特性,受晶体结构和异性质的影响.
- 当前的电源应用依赖于一种经验方法,结合导体开发和原型设备建造.
研究的目的:
- 审查用于电力应用的高温超导材料的状态.
- 确定开发具有成本效益和高性能导体的挑战和机遇.
- 评估各种超导电源装置的可行性.
主要方法:
- 对超导材料和动力装置的现有文献的审查.
- 分析材料特性 (晶体结构,异性质) 以及它们对性能的影响.
- 评估制造技术及其成本效益.
主要成果:
- 已经证明了超导电缆,磁能存储,变压器,故障电流限制器和电机的可行性,主要使用 (Bi,Pb) 2Sr2Ca2Cu3Ox导体.
- 基本的材料和制造挑战极大地影响了低成本,高性能导体的生产.
- 材料的异质性和多晶体形式对超导特性施加了限制.
结论:
- 超导电力技术的广泛采用取决于解决基本的材料和制造问题.
- 为高性能导体开发具有成本效益的制造工艺对于商业可行性至关重要.
- 对酸盐超导体和潜在的MgB2的持续研究是必要的,以释放它们在电力部门的全部潜力.
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