Title:
HEAT STORAGE MATERIAL AND METHOD FOR USING HEAT ENERGY
Document Type and Number:
WIPO Patent Application WO/2023/136284
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a heat storage material and a method for using heat energy that make it possible to further increase the amount of stored heat. Another purpose of the present invention is to provide a heat storage material and a method for using heat energy that offer fast heat dissipation and can be used repeatedly. The heat storage material of the present invention is a layered manganese oxide that is represented by formula (I) and has a delta-type crystal structure. Formula (I): AxMnO2·nH2O (in formula (I), A represents an element that makes it possible to maintain the delta-type crystal structure, x is a number between 0.00-0.50 inclusive, and n is a number between 0.00-1.00 inclusive).
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Inventors:
ICHITSUBO TETSU (JP)
OKAMOTO NORIHIKO (JP)
HATAKEYAMA TAKUYA (JP)
LI HONGYI (JP)
OKAMOTO NORIHIKO (JP)
HATAKEYAMA TAKUYA (JP)
LI HONGYI (JP)
Application Number:
PCT/JP2023/000579
Publication Date:
July 20, 2023
Filing Date:
January 12, 2023
Export Citation:
Assignee:
UNIV TOHOKU (JP)
International Classes:
C09K5/16; F25B15/00; F28D20/00
Other References:
SHIZUME KUNIHIKO, HATADA NAOYUKI, UDA TETSUYA: "Experimental Study of Hydration/Dehydration Behaviors of Metal Sulfates M 2 (SO 4 ) 3 (M = Sc, Yb, Y, Dy, Al, Ga, Fe, In) in Search of New Low-Temperature Thermochemical Heat Storage Materials", ACS OMEGA, ACS PUBLICATIONS, US, vol. 5, no. 23, 16 June 2020 (2020-06-16), US , pages 13521 - 13527, XP093078987, ISSN: 2470-1343, DOI: 10.1021/acsomega.9b04308
STEIGER MICHAEL, LINNOW KIRSTEN, JULING HERBERT, GÜLKER GERD, JARAD AKRAM EL, BRÜGGERHOFF STEFAN, KIRCHNER DIRK: "Hydration of MgSO 4 ·H 2 O and Generation of Stress in Porous Materials", CRYSTAL GROWTH & DESIGN, ASC WASHINGTON DC, US, vol. 8, no. 1, 1 January 2008 (2008-01-01), US , pages 336 - 343, XP093078991, ISSN: 1528-7483, DOI: 10.1021/cg060688c
HATAKEYAMA TAKUYA, OKAMOTO NORIHIKO L., OTAKE SATOSHI, SATO HIROAKI, LI HONGYI, ICHITSUBO TETSU: "Excellently balanced water-intercalation-type heat-storage oxide", NATURE COMMUNICATIONS, vol. 13, no. 1, 17 March 2022 (2022-03-17), pages 1452, XP093078995, DOI: 10.1038/s41467-022-28988-0
STEIGER MICHAEL, LINNOW KIRSTEN, JULING HERBERT, GÜLKER GERD, JARAD AKRAM EL, BRÜGGERHOFF STEFAN, KIRCHNER DIRK: "Hydration of MgSO 4 ·H 2 O and Generation of Stress in Porous Materials", CRYSTAL GROWTH & DESIGN, ASC WASHINGTON DC, US, vol. 8, no. 1, 1 January 2008 (2008-01-01), US , pages 336 - 343, XP093078991, ISSN: 1528-7483, DOI: 10.1021/cg060688c
HATAKEYAMA TAKUYA, OKAMOTO NORIHIKO L., OTAKE SATOSHI, SATO HIROAKI, LI HONGYI, ICHITSUBO TETSU: "Excellently balanced water-intercalation-type heat-storage oxide", NATURE COMMUNICATIONS, vol. 13, no. 1, 17 March 2022 (2022-03-17), pages 1452, XP093078995, DOI: 10.1038/s41467-022-28988-0
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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