Torsional refrigeration by twisted, coiled, and supercoiled fibers

Run Wang; Shaoli Fang; Yicheng Xiao; Enlai Gao; Nan Jiang; Yaowang Li; Linlin Mou; Yanan Shen; Wubin Zhao; Sitong Li; Alexandre F. Fonseca; Douglas S. Galvão; Mengmeng Chen; Wenqian He; Kaiqing Yu; Hongbing Lu; Xuemin Wang; Dong Qian; Ali E. Aliev; Na Li; Carter S. Haines; Zhongsheng Liu; Jiuke Mu; Zhong Wang; Shougen Yin; Márcio D. Lima; Baigang An; Xiang Zhou; Zunfeng Liu; Ray H. Baughman

doi:10.1126/science.aax6182

Research Article

Torsional refrigeration by twisted, coiled, and supercoiled fibers

View ORCID ProfileRun Wang¹,*,
Shaoli Fang²,*,
Yicheng Xiao¹,
View ORCID ProfileEnlai Gao²,³,
Nan Jiang²,⁴,
Yaowang Li⁵,
Linlin Mou¹,
Yanan Shen¹,
Wubin Zhao¹,
Sitong Li¹,
View ORCID ProfileAlexandre F. Fonseca ⁶,
View ORCID ProfileDouglas S. Galvão ⁶,
Mengmeng Chen¹,
Wenqian He¹,
Kaiqing Yu¹,
View ORCID ProfileHongbing Lu ⁷,
Xuemin Wang⁷,⁸,
View ORCID ProfileDong Qian⁷,
View ORCID ProfileAli E. Aliev²,
View ORCID ProfileNa Li²,⁹,
View ORCID ProfileCarter S. Haines²,
Zhongsheng Liu¹,
View ORCID ProfileJiuke Mu²,
View ORCID ProfileZhong Wang²,
View ORCID ProfileShougen Yin¹⁰,
Márcio D. Lima¹¹,
View ORCID ProfileBaigang An¹²,
Xiang Zhou¹³,
View ORCID ProfileZunfeng Liu ¹,†,
View ORCID ProfileRay H. Baughman ²,†

¹State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.
²Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.
³Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan, Hubei 430072, China.
⁴Shenzhen Geim Graphene Center, Tsinghua Shenzhen International Graduate School, Shenzhen 518055, China.
⁵School of Life Sciences, Tsinghua University, Beijing 100084, China.
⁶Applied Physics Department, State University of Campinas, Campinas, SP 13081-970, Brazil.
⁷Department of Mechanical Engineering, University of Texas at Dallas, Richardson, TX 75080, USA.
⁸Department of Mechanical Engineering, Georgia Southern University, Statesboro, GA 30458, USA.
⁹Materials Science, MilliporeSigma, Milwaukee, WI 53209, USA.
¹⁰Institute of Materials Physics, Tianjin University of Technology, Tianjin 300384, China.
¹¹Nano-Science and Technology Center, Lintec of America, Richardson, TX 75081, USA.
¹²School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China.
¹³Department of Science, China Pharmaceutical University, Nanjing, Jiangsu 211198, China.

↵†Corresponding author. Email: ray.baughman{at}utdallas.edu (R.H.B.); liuzunfeng{at}nankai.edu.cn (Z.L.)

↵* These authors contributed equally to this work.

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Science 11 Oct 2019:
Vol. 366, Issue 6462, pp. 216-221
DOI: 10.1126/science.aax6182

Run Wang

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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ORCID record for Run Wang

Shaoli Fang

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

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Yicheng Xiao

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Enlai Gao

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

3Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan, Hubei 430072, China.

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Nan Jiang

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

4Shenzhen Geim Graphene Center, Tsinghua Shenzhen International Graduate School, Shenzhen 518055, China.

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Yaowang Li

5School of Life Sciences, Tsinghua University, Beijing 100084, China.

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Linlin Mou

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Yanan Shen

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Wubin Zhao

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Sitong Li

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Alexandre F. Fonseca

6Applied Physics Department, State University of Campinas, Campinas, SP 13081-970, Brazil.

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Douglas S. Galvão

6Applied Physics Department, State University of Campinas, Campinas, SP 13081-970, Brazil.

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Mengmeng Chen

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Wenqian He

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Kaiqing Yu

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Hongbing Lu

7Department of Mechanical Engineering, University of Texas at Dallas, Richardson, TX 75080, USA.

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Xuemin Wang

7Department of Mechanical Engineering, University of Texas at Dallas, Richardson, TX 75080, USA.

8Department of Mechanical Engineering, Georgia Southern University, Statesboro, GA 30458, USA.

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Dong Qian

7Department of Mechanical Engineering, University of Texas at Dallas, Richardson, TX 75080, USA.

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Ali E. Aliev

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

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Na Li

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

9Materials Science, MilliporeSigma, Milwaukee, WI 53209, USA.

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Carter S. Haines

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

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Zhongsheng Liu

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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Jiuke Mu

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

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Zhong Wang

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

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Shougen Yin

10Institute of Materials Physics, Tianjin University of Technology, Tianjin 300384, China.

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Márcio D. Lima

11Nano-Science and Technology Center, Lintec of America, Richardson, TX 75081, USA.

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Baigang An

12School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China.

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Xiang Zhou

13Department of Science, China Pharmaceutical University, Nanjing, Jiangsu 211198, China.

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Zunfeng Liu

1State Key Laboratory of Medicinal Chemical Biology, College of Pharmacy, Key Laboratory of Functional Polymer Materials, Nankai University, Tianjin 300071, China.

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For correspondence: ray.baughman@utdallas.edu liuzunfeng@nankai.edu.cn

Ray H. Baughman

2Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75080, USA.

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For correspondence: ray.baughman@utdallas.edu liuzunfeng@nankai.edu.cn

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Twisting is cool

Rubber bands that are stretched and held in an extended shape for a while will extract heat from their surroundings as they are allowed to relax, owing to a reversal of stress-induced crystallization, which is an exothermic process. Wang et al. examine the potential for solid-state cooling of twisted fibers, along with configurations such as supercoiling, for materials including natural rubber, polyethylene, and nickel-titanium fibers. The cooling is related to the change in entropy of the material as it is mechanically deformed.

Science, this issue p. 216

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Torsional refrigeration by twisted, coiled, and supercoiled fibers

Twisting is cool

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