<http://webisa.webdatacommons.org/145027946>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/145027946>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/388544820>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/145027946> .
<http://webisa.webdatacommons.org/145027946>	<http://www.w3.org/ns/prov#value>	"Metal-air and particularly zinc-air battery systems are known in the art and due to their high energy densities, relative safety of operation and the possibility of ready mechanical recharging, such systems have been suggested as a power source for electrically propelled automotive vehicles." .