12479
To utilize high - capacity Si anodes in next - generation Li - ion batteries , the physical and chemical transformations during the Li - Si reaction must be better understood .
 Chemical: Si; Chemical: Li; Chemical: Li - Si
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Si, Li, Li - Si 
Answer:
 Chemical: Si; Chemical: Li; Chemical: Li - Si