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The study on the relationships between the Li - ion redistribution and microstructure of the electrode materials within thin film Li - ion battery will provide further understanding of the electrochemical degradation mechanisms of Li - ion rechargeable batteries at the nanoscale .
 Chemical: Li; Chemical: Li; 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: Li; Chemical: Li; Chemical: Li