24935
When the Li4Ti5O12 was used as the anode with the waste products as the cathode in the proposed battery system , a good cycle - life with high coulombic efficiency was observed .
 Chemical: Li4Ti5O12
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: Li4Ti5O12