15712
The aim of this review is to provide an in - depth and rational understanding such that the electrochemical properties of SnO ( 2 ) - based anodes can be effectively enhanced by making proper nanostructures with optimized chemical composition .
 Chemical: SnO ( 2 )
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: SnO ( 2 )