28450
Such ordered porous electrodes demonstrate superior Li storage properties ; for example , graphene - Fe3 O4 @ C depicts high capacities of 1123 . 8 and 505 mAh g ( - 1 ) at current densities of 0 . 5 and 10 A g ( - 1 ) , respectively .
 Chemical: Li; Chemical: graphene; Chemical: Fe3 O4
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Li; Chemical: graphene; Chemical: Fe3 O4