18908
While the full discharge capacity could be recovered upon charge , implying reversibility of the electrochemical reaction , the atomic structure of the electrode formed after cycling ( discharge - charge ) differs from the pristine uncycled electrode material .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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