AllCell Technologies AllCell Technologies is a longstanding company that specialise in phase change materials for lithium-ion batteries. A full profile of the company can be {seen here|https://www.idtechex.com/portal.v2/pages/company-profile.asp?articleid=19167&portaltopicid=all&query=allcell}. IDTechEx spoke with the company to get an update at the Battery Show, USA, September 2021. AllCell Technologies