21485
In particular , the hierarchical CMGNR microspheres consisting of the aggregates of CMG / Nafion ( CMGN ) nanosheets and RuO2 NPs provided large surface area and facile ion accessibility to storage sites , while the interconnected nanosheets offered continuous electron pathways and mechanical integrity .
 Chemical: Nafion; Chemical: RuO2
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: Nafion; Chemical: RuO2