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

Author

Listed:
  • Keita Nomura

    (Tohoku University)

  • Hirotomo Nishihara

    (Tohoku University)

  • Masanori Yamamoto

    (Tohoku University)

  • Atsushi Gabe

    (Tohoku University)

  • Masashi Ito

    (Nissan Motor Co., Ltd., 1 Natsushima-cho)

  • Masanobu Uchimura

    (Nissan Motor Co., Ltd., 1 Natsushima-cho)

  • Yuta Nishina

    (Okayama University, Tsushimanaka)

  • Hideki Tanaka

    (Shinshu University)

  • Minoru T. Miyahara

    (Kyoto University)

  • Takashi Kyotani

    (Tohoku University)

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.

Suggested Citation

  • Keita Nomura & Hirotomo Nishihara & Masanori Yamamoto & Atsushi Gabe & Masashi Ito & Masanobu Uchimura & Yuta Nishina & Hideki Tanaka & Minoru T. Miyahara & Takashi Kyotani, 2019. "Force-driven reversible liquid–gas phase transition mediated by elastic nanosponges," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-10511-7
    DOI: 10.1038/s41467-019-10511-7
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    Cited by:

    1. Wu, Xintao & Wen, Yating & Wang, Hongzhou & Sun, Zhiyuan & Huang, Zhandong & Wei, Jinjia, 2024. "Capillary container array structures for efficient, energy-saving, and sustainable evaporative cooling and humidification," Energy, Elsevier, vol. 309(C).

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