POLYCYCLIC COMPOUND AND METHOD FOR PREPARING THE SAME, USE, ELECTROLYTE, AND BATTERY

Provided are a polycyclic compound and a method for preparing the same, use, an electrolyte, and a battery. The polycyclic compound includes a compound represented by Formula I. In the compound represented by Formula I, a content of a cis-isomer represented by Formula II is greater than or equal to 98 wt %,