5961
These nanoporous Si networks serve as high performance Li - ion battery electrodes , with an initial discharge capacity of 2570 mA h g ( - 1 ) , above 1000 mA h g ( - 1 ) after 200 cycles without any electrolyte additives .
 Chemical: Si; Chemical: Li
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: Si; Chemical: Li