13917
The output peak voltage , current density , and energy volume density achieved 465 V , 13 . 4 mu A / cm ( 2 ) , and 53 . 4 mW / cm ( 3 ) , respectively .
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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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