| abstract |
The present application relates to a secondary battery (5), a device including the secondary battery (5), a method for manufacturing the secondary battery (5), and an adhesive composition. The secondary battery 5 includes an adhesive used to bond a first material and a second material, the adhesive includes a polymer obtained by crosslinking an adhesive composition, and the adhesive composition includes a crosslinkable polymer base and a crosslinking agent and the crosslinkable polymer base includes one or several types of monomer units represented by formula (I), and the crosslinking agent includes a compound represented by formula (II), wherein R 1 , R 2 and R 3 is H, and is each independently selected from a linear or branched chain alkyl group having 1 to 8 carbon atoms, R 4 is a polar group containing active hydrogen, and R 5 is R 4 and A group exhibiting reaction activity, wherein R 6 is selected from H, a substituted or unsubstituted hydrocarbon group having 1 to 8 carbon atoms, n is an even number of 4 or more, and 2≤m≤n. The cycle life of the secondary battery 5 is effectively improved. |