13389
Impressively , the cells could also be charged - discharged to 65 % of their theoretical capacity in just 5 min or 12 C ( 11 . 11 A g ( - 1 ) ) .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None