Force-driven reversible liquid–gas phase transition mediated by elastic nanosponges

Keita Nomura, Hirotomo Nishihara, Masanori Yamamoto, Atsushi Gabe, Masashi Ito, Masanobu Uchimura, Yuta Nishina, Hideki Tanaka, Minoru T. Miyahara, Takashi Kyotani

Research output: Contribution to journalArticle

Abstract

Nano-confined spaces in nanoporous materials enable anomalous physicochemical phenomena. While most nanoporous materials including metal-organic frameworks are mechanically hard, graphene-based nanoporous materials possess significant elasticity and behave as nanosponges that enable the force-driven liquid–gas phase transition of guest molecules. In this work, we demonstrate force-driven liquid–gas phase transition mediated by nanosponges, which may be suitable in high-efficiency heat management. Compression and free-expansion of the nanosponge afford cooling upon evaporation and heating upon condensation, respectively, which are opposite to the force-driven solid–solid phase transition in shape-memory metals. The present mechanism can be applied to green refrigerants such as H2O and alcohols, and the available latent heat is at least as high as 192 kJ kg−1. Cooling systems using such nanosponges can potentially achieve high coefficients of performance by decreasing the Young’s modulus of the nanosponge.

Original languageEnglish
Article number2559
JournalNature communications
Volume10
Issue number1
DOIs
Publication statusPublished - Dec 1 2019

Fingerprint

Phase Transition
Phase transitions
Chemical Phenomena
Hot Temperature
Metals
Confined Spaces
Graphite
Elastic Modulus
refrigerants
Latent heat
cooling systems
Elasticity
latent heat
Refrigerants
Cooling systems
Shape memory effect
metals
Heating
Condensation
modulus of elasticity

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Nomura, K., Nishihara, H., Yamamoto, M., Gabe, A., Ito, M., Uchimura, M., ... Kyotani, T. (2019). Force-driven reversible liquid–gas phase transition mediated by elastic nanosponges. Nature communications, 10(1), [2559]. https://doi.org/10.1038/s41467-019-10511-7

Force-driven reversible liquid–gas phase transition mediated by elastic nanosponges. / Nomura, Keita; Nishihara, Hirotomo; Yamamoto, Masanori; Gabe, Atsushi; Ito, Masashi; Uchimura, Masanobu; Nishina, Yuta; Tanaka, Hideki; Miyahara, Minoru T.; Kyotani, Takashi.

In: Nature communications, Vol. 10, No. 1, 2559, 01.12.2019.

Research output: Contribution to journalArticle

Nomura, K, Nishihara, H, Yamamoto, M, Gabe, A, Ito, M, Uchimura, M, Nishina, Y, Tanaka, H, Miyahara, MT & Kyotani, T 2019, 'Force-driven reversible liquid–gas phase transition mediated by elastic nanosponges', Nature communications, vol. 10, no. 1, 2559. https://doi.org/10.1038/s41467-019-10511-7
Nomura, Keita ; Nishihara, Hirotomo ; Yamamoto, Masanori ; Gabe, Atsushi ; Ito, Masashi ; Uchimura, Masanobu ; Nishina, Yuta ; Tanaka, Hideki ; Miyahara, Minoru T. ; Kyotani, Takashi. / Force-driven reversible liquid–gas phase transition mediated by elastic nanosponges. In: Nature communications. 2019 ; Vol. 10, No. 1.
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