High-performance multimode elastocaloric cooling system

被引：130

作者：

Qian, Suxin ^{[1
,2
]}

Catalini, David ^{[2
,8
]}

Muehlbauer, Jan ^{[2
]}

Liu, Boyang

Mevada, Het ^{[2
]}

Hou, Huilong ^{[4
,5
,6
]}

Hwang, Yunho ^{[2
]}

Radermacher, Reinhard ^{[2
]}

Takeuchi, Ichiro ^{[3
,7
]}

机构：

[1] Xi An Jiao Tong Univ, Dept Refrigerat & Cryogen Engn, Xian 710049, Shaanxi, Peoples R China

[2] Univ Maryland, Ctr Environm Energy Engn, Dept Mech Engn, College Pk, MD 20742 USA

[3] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA

[4] Beihang Univ, Sch Mat Sci & Engn, Key Lab Aerosp Mat & Performance, Minist Educ, Beijing 100191, Peoples R China

[5] Beihang Univ, Zhongfa Aviat Inst, Hangzhou 310023, Zhejiang, Peoples R China

[6] Zhejiang Prov Lab Aviat, Tianmushan Lab, Hangzhou 310023, Zhejiang, Peoples R China

[7] Univ Maryland, Maryland Quantum Mat Ctr, Dept Phys, College Pk, MD 20742 USA

[8] DTU Wind & Energy Syst, DK-4000 Roskilde, Denmark

来源：

SCIENCE | 2023年 / 380卷 / 6646期

基金：

中国国家自然科学基金; 浙江省自然科学基金;

关键词：

CALORIC MATERIALS; FATIGUE; REFRIGERATION; COMPRESSION; DESIGN;

D O I：

10.1126/science.adg7043

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Developing zero-global warming potential refrigerants has emerged as one area that helps address global climate change concerns. Various high-efficiency caloric cooling techniques meet this goal, but scaling them up to technologically meaningful performance remains challenging. We have developed an elastocaloric cooling system with a maximum cooling power of 260 watts and a maximum temperature span of 22.5 kelvin. These values are among the highest reported for any caloric cooling system. Its key feature is the compression of fatigue-resistant elastocaloric nitinol (NiTi) tubes configured in a versatile multimode heat exchange architecture, which allows the harnessing of both high delivered cooling power and large temperature spans. Our system shows that elastocaloric cooling, which only emerged 8 years ago, is a promising direction for commercializing caloric cooling.

引用

页码：722 / 727

页数：6

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