▁Del ay ing ▁ice ▁and ▁fro st ▁formation ▁on ▁surfaces ▁ ▁Medical ▁applications : ▁transport ation ▁of ▁blood , ▁operating ▁tables , ▁hot - c old ▁ther ap ies , ▁treatment ▁of ▁birth ▁as phy x ia ▁▁ ▁Human ▁body ▁cool ing ▁under ▁bul ky ▁cl othing ▁or ▁cost umes . ▁ ▁W aste ▁heat ▁recovery ▁ ▁Off - pe ak ▁power ▁util ization : ▁He ating ▁hot ▁water ▁and ▁C ool ing ▁ ▁He at ▁p ump ▁systems ▁ ▁Pass ive ▁storage ▁in ▁bi oc lim atic ▁building / architecture ▁( HD PE , ▁para ff in ) ▁ ▁Sm o othing ▁ex oth erm ic ▁temperature ▁pe aks ▁in ▁chemical ▁re actions ▁ ▁Sol ar ▁power ▁plants ▁ ▁Space craft ▁thermal ▁systems ▁ ▁Th erm al ▁comfort ▁in ▁vehicles ▁ ▁Th erm al ▁protection ▁of ▁electronic ▁devices ▁ ▁Th erm al ▁protection ▁of ▁food : ▁transport , ▁hotel ▁trade , ▁ice - cre am , ▁etc . ▁ ▁Text iles ▁used ▁in ▁cl othing ▁ ▁Computer ▁cool ing ▁ ▁Tur bine ▁In let ▁Ch illing ▁with ▁thermal ▁energy ▁storage ▁ ▁Tele com ▁sh el ters ▁in ▁tropical ▁regions . ▁They ▁protect ▁the ▁high - value ▁equipment ▁in ▁the ▁shelter ▁by ▁keeping ▁the ▁ind oor ▁air ▁temperature ▁below ▁the ▁maximum ▁perm iss ible ▁by ▁absor bing ▁heat ▁generated ▁by ▁power - h un gry ▁equipment ▁such ▁as ▁a ▁Base ▁Station ▁Sub system . ▁In ▁case ▁of ▁a ▁power ▁failure ▁to ▁conventional ▁cool ing ▁systems , ▁PC M s ▁minim ize ▁use ▁of