Patent ID: 11884868
Assignee: SHARP KABUSHIKI KAISHA
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC C  F  Y | IPC C  F

Claim 0:
1. A latent heat storage material comprising:
a compound (A) represented by the following formula (A);
an inorganic salt (B) represented by the following formula (B) and composed of a cation of an alkali metal and an anion of a same element as an anion of the compound (A); and
water, wherein
the compound (A) is a material that forms a clathrate hydrate together with the water,
a composition ratio of the compound (A) and water is a composition ratio that gives a congruent melting point of the clathrate hydrate,
a molar ratio of the inorganic salt (B) to the compound (A) is 0.1 or more and 10 or less,

AR4+X−  formula (A),

M+X−  formula (B),

in the formula (A), A is N or P, R is a C1-10 alkyl group, and X− is F−, Cl−, Br−, I−, NO3−, CH3COO−, CH3CH2COO−, CH3CH2CH2CO−, or CH2═CHCOO−, and
in the formula (B), M+ is K+, Rb+, or Cs+, and X− is F−, Cl−, Br−, I−, NO3−, CH3COO−, CH3CH2COO−, CH3CH2CH2COO−, or CH2═CHCOO−.