Electrochromic composite, electrochromic element comprising same, and manufacturing method for electrochromic element

An electrochromic composite comprising:

• an organic compound having electrochromic properties;
• and
• a polymer-covered carbon nanotube comprising a carbon nanotube having at least a portion of a surface of the carbon nanotube covered by a polymer, wherein the organic compound having electrochromic properties includes a compound of Chemical Formula 3:
• wherein
• Ar1 and Ar2 are the same as or different from each other, and each is independently a group functioning as an electron acceptor;
• Ar4 and Ar5 are the same as or different from each other, and each is independently hydrogen, deuterium, halogen, a substituted or unsubstituted alkyl group, substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, or SiRR′R″;
• A is a substituted or unsubstituted arylene group or a substituted or unsubstituted heteroarylene group;
• T1 and T2 are the same as or different from each other, and each is independently a direct bond, O, or S;
• R, R′ and R″ are the same as or different from each other, and each is independently hydrogen, deuterium, a halogen group, a nitrile group, a nitro group, an imide group, an amide group, a hydroxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryloxy group, a substituted or unsubstituted alkylthioxy group, a substituted or unsubstituted arylthioxy group, a substituted or unsubstituted alkylsulfoxy group, a substituted or unsubstituted arylsulfoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted silyl group, a substituted or unsubstituted boron group, a substituted or unsubstituted alkylamine group, a substituted or unsubstituted aralkylamine group, a substituted or unsubstituted arylamine group, a substituted or unsubstituted heteroarylamine group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group;
• and
• p and q are each an integer of 1 to 5.