23934
Spray drying method for large - scale and high - performance silicon negative electrodes in li - ion batteries .
 Chemical: silicon; Chemical: li
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: silicon, li 
Answer:
 Chemical: silicon; Chemical: li