About: http://webisa.webdatacommons.org/359115715

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	In addition to finding materials with higher energy and power densities, improvements in other factors such as cost, toxicity, lifetime, and safety are also required.
http://www.w3.org/ns/prov#wasQuotedFrom	osti.gov