About: http://webisa.webdatacommons.org/202850289

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, most flow batteries use valuable metals such as platinum or vanadium in their design, and are therefore expensive to buy.
http://www.w3.org/ns/prov#wasQuotedFrom	forumforthefuture.org