10978
The resulting composites are used as anode materials for lithium - ion batteries and exhibit high specific capacities ( 600 mA h g - (1) at a current density of 45 mA g - (1) , and 440 mA h g - (1) at a current density of 300 mA g - (1) ) and an excellent cyclability of over 100 cycles with high Coulombic efficiency .
 Chemical: lithium
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: lithium