US 11,891,561 B2
Metal nitrate based compositions for use as phase change materials
Andrew John Bissell, East Lothian (GB); David Oliver, East Lothian (GB); Colin Richard Pulham, East Lothian (GB); Emily Jane Goddard, East Lothian (GB); Gylen Odling, East Lothian (GB); and Kate Fisher, East Lothian (GB)
Assigned to SUNAMP LIMITED, East Lothian (GB)
Appl. No. 17/283,082
Filed by SUNAMP LIMITED, East Lothian (GB)
PCT Filed Oct. 8, 2019, PCT No. PCT/GB2019/052851
§ 371(c)(1), (2) Date Apr. 6, 2021,
PCT Pub. No. WO2020/074883, PCT Pub. Date Apr. 16, 2020.
Claims priority of application No. 1816380 (GB), filed on Oct. 8, 2018.
Prior Publication US 2021/0380860 A1, Dec. 9, 2021
Int. Cl. C09K 5/06 (2006.01)
CPC C09K 5/063 (2013.01) [Y02E 60/14 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A phase-change material (PCM) consisting essentially of:
calcium nitrate tetrahydrate;
a nucleation agent, wherein the nucleation agent is a mixture of:
magnesium nitrate or a hydrate thereof, and
strontium nitrate and a hydrate thereof; and
optionally, copper nitrate, zinc nitrate, iron nitrate, or a hydrate thereof.