Electrolyte and electrochemical device
An electrolyte and compound technology, applied in electrochemical generators, electrolytes, organic electrolytes, etc., can solve the problems of cycle performance and storage performance to be improved, achieve improved electrochemical performance, reduce storage gas production, and good film forming effect Effect
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[0118] (2) Preparation of the compound shown in formula I-2:
[0119] The reaction equation is:
[0120]
[0121] The specific preparation process is:
[0122] Mix anhydrous sodium carbonate, raw material P-4 and raw material P-3 in absolute ethanol, react and stir for 2h to 5h; wash with hot ethanol several times to obtain the crude product, and recrystallize to obtain the compound shown in formula I-2.
[0123] (3) Preparation of the compound shown in formula I-3:
[0124] The reaction equation is:
[0125]
[0126] The specific preparation process is:
[0127] Mix anhydrous sodium carbonate, raw materials P-5 and raw materials P-3 in absolute ethanol, react and stir for 2h to 5h; wash with hot ethanol several times to obtain a crude product, and recrystallize to obtain the compound shown in formula I-3.
[0128] The electrochemical device according to the second aspect of the present application will be described below.
[0129] The electrochemical device accordi...
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