▎ 摘　　要

NOVELTY - A nano-polyaniline-coated carbon-sulfur composite comprises vertically-oriented graphene, electroconductive substrate, nano-polyaniline and sulfur-containing active substance. USE - Nano-polyaniline-coated carbon-sulfur composite is used for secondary aluminum battery. ADVANTAGE - The nano-polyaniline-coated carbon-sulfur composite has high energy density, and is prepared by simple and economical method. The secondary aluminum battery formed using the nano-polyaniline-coated carbon-sulfur composite has high specific capacity, and excellent stability and cycle characteristics. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) preparation of the nano-polyaniline-coated carbon-sulfur composite; and (2) secondary aluminum battery.