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Development of next-generation chemical refrigerator based on the crystallinity control of metal salt in nanosized pores of composite sorbent

Research Project

Project/Area Number 18H01766
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 27010:Transport phenomena and unit operations-related
Research InstitutionKanazawa University

Principal Investigator

KUMITA Mikio  金沢大学, フロンティア工学系, 教授 (60262557)

Co-Investigator(Kenkyū-buntansha) 児玉 昭雄  金沢大学, 機械工学系, 教授 (30274690)
東 秀憲  金沢大学, フロンティア工学系, 准教授 (40294889)
Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥17,810,000 (Direct Cost: ¥13,700,000、Indirect Cost: ¥4,110,000)
Fiscal Year 2020: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2019: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2018: ¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000)
Keywords金属塩複合材料 / 収着冷凍 / 結晶性金属塩 / 熱・物質移動 / 結晶性制御
Outline of Final Research Achievements

A metal salt/aluminum composite had been proposed as a novel material for sorption chillers. This study dealt with the control of the crystallinity of metal salt and its impregnation into pores of an aluminum oxide film to maximize the water vapor sorption performance of the composite. As a result, The crystallinity of metal salt deposited on pore walls depended a great deal on the calcination temperature in the preparation process and the amount of metal salt in pores. Porous aluminum films with various structures could be created by adjusting the preparation conditions. In addition, The evaluation of the water vapor sorption characteristics of the composites and the numerical analysis of heat and mass transfer indicated that the metal salt/aluminum composite would be a promising sorbent for a high-performance chemical refrigerator.

Academic Significance and Societal Importance of the Research Achievements

CaCl2/アルミニウム複合材の調製において結晶性CaCl2のナノ細孔壁への析出には焼成温度の管理が重要である。また、細孔壁界面のCaCl2は非晶化すること、細孔内添着CaCl2は単体物とは異なる水蒸気脱着挙動を示すことなど、本研究で得られた成果は、ナノ空間における金属塩の物理化学的特性の理解に重要な知見を与えると考えられる。そして、金属塩/アルミニウム複合材を組み込む高出力ケミカル冷凍機の社会実装が達成されれば、現在大量に存在する100℃以下の未利用熱の活用が可能となり、新規エネルギー投入量やCO2排出量の削減に繋がるなど、その社会的意義は大きいと考えられる。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (15 results)

All 2021 2020 2019 2018

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (13 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] Pore structure control of anodized alumina film and sorption properties of water vapor on CaCl2-aluminum composites2020

    • Author(s)
      Suppanat Chumnanwat, Yuto Watanabe, Naoko Taniguchi, Hidenori Higashi, Akio Kodama, Takafumi Seto, Yoshio Otani, Mikio Kumita
    • Journal Title

      Energy

      Volume: 208 Pages: 118370-118370

    • DOI

      10.1016/j.energy.2020.118370

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Methanol adsorption behaviors of compression-molded activated carbon fiber with PTFE2018

    • Author(s)
      Mikio Kumita, Naohiro Yamawaki, Kie Shinohara, Hidenori Higashi, Akio Kodama, Noriyuki Kobayashi, Takafumi Seto, Yoshio Otani
    • Journal Title

      International Journal of Refrigeration

      Volume: 94 Pages: 127-135

    • DOI

      10.1016/j.ijrefrig.2018.07.036

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Presentation] Water vapor adsorption dynamics of zeolite-coated aluminum plates for adsorption cooling2021

    • Author(s)
      Suppanat Chumnanwat, Shinji Ota, Akio Kodama, Mikio Kumita
    • Organizer
      第58回日本伝熱シンポジウム
    • Related Report
      2020 Annual Research Report
  • [Presentation] リン酸アルマイトを担体とするCaCl2/アルミニウム複合材の調製とその水蒸気収着特性2020

    • Author(s)
      櫻井颯、谷口奈緒子、渡部悠人、東秀憲、瀬戸章文、大谷吉生、児玉昭雄、汲田幹夫
    • Organizer
      第57回日本伝熱シンポジウム
    • Related Report
      2020 Annual Research Report
  • [Presentation] Adsorption behaviors of methanol onto high-density activated carbon fiber in a two-bed adsorption cooling system2020

    • Author(s)
      Suppanat CHUMNANWAT, Chieko SHIBATA, Hidenori HIGASHI, Akio KODAMA, Thanit SWASDISEVI, Mikio KUMITA
    • Organizer
      第57回日本伝熱シンポジウム
    • Related Report
      2020 Annual Research Report
  • [Presentation] ゼオライト系吸着材を被覆したアルミニウム複合材の水蒸気吸着特性2020

    • Author(s)
      大田真司、滝口昇、汲田幹夫
    • Organizer
      化学工学会第51回秋季大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 破砕状活性炭素繊維成形体の基礎的メタノール蒸気吸着特性2020

    • Author(s)
      柳澤房樹、滝口昇、汲田幹夫
    • Organizer
      化学工学会第51回秋季大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] 水蒸気収着用CaCl2/Al2O3/Al複合材の熱・物質移動挙動2019

    • Author(s)
      谷口奈緒子、渡部悠人、児玉昭雄、東秀憲、瀬戸章文、大谷吉生、汲田幹夫
    • Organizer
      第56回日本伝熱シンポジウム
    • Related Report
      2019 Annual Research Report
  • [Presentation] アルミニウム表面への吸着材層の形成と水蒸気吸着特性2019

    • Author(s)
      大田真司、西澤惇矢、東秀憲、瀬戸章文、大谷吉生、児玉吉生、汲田幹夫
    • Organizer
      2019年度日本冷凍空調学会年次大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Heat and mass transfer characteristics of a molded activated carbon/methanol pair for adsorption cooling2019

    • Author(s)
      Chieko Shibata, Mikio Kumita, Akio Kodama, Hidenori Higashi, Takafumi Seto, Yoshio Otani
    • Organizer
      25th IIR International Congress of Refrigeration (ICR2019)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Pore structure control of anodized alumina film and sorption properties of water vapor on CaCl2-aluminum composites2019

    • Author(s)
      Naoko Taniguchi, Yuto Watanabe, Akio Kodama, Hidenori Higashi, Takafumi Seto, Yoshio Otani, Mikio Kumita
    • Organizer
      5th International Symposium on Innovative Materials and Processes in Energy Systems (IMPRES2019)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Formation of rigid adsorbent particle layer on aluminum plate using silane binder for water vapor adsorption2019

    • Author(s)
      Shinji Ota, Junya Nishizawa, Akio Kodama, Hidenori Higashi, Takafumi Seto, Yoshio Otani, Mikio Kumita
    • Organizer
      5th International Symposium on Innovative Materials and Processes in Energy Systems (IMPRES2019)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Basic adsorption properties for milled activated carbon fiber/methanol pair2019

    • Author(s)
      Chieko Shibata, Yutaro Domura, Akio Kodama, Hidenori Higashi, Takafumi Seto, Yoshio Otani, Mikio Kumita
    • Organizer
      5th International Symposium on Innovative Materials and Processes in Energy Systems (IMPRES2019)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 多孔質アルミナ担体へのCaCl2添着とその水蒸気収着特性2018

    • Author(s)
      渡部悠人, 東秀憲, 瀬戸章文, 大谷吉生, 児玉昭雄, 汲田幹夫
    • Organizer
      第55回日本伝熱シンポジウム
    • Related Report
      2018 Annual Research Report
  • [Presentation] 金属塩/アルミニウム複合材の水蒸気収着と伝熱特性2018

    • Author(s)
      渡部悠人, 東秀憲, 瀬戸章文, 大谷吉生, 児玉昭雄, 汲田幹夫
    • Organizer
      第8回潜熱工学シンポジウム
    • Related Report
      2018 Annual Research Report

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Published: 2018-04-23   Modified: 2022-01-27  

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