SECONDARY BATTERY MANUFACTURED BY ARRANGEMENT SIMULTANEOUSLY POSSESSING ADVANTAGES SPECIFIC TO WINDING PROCESS AND ADVANTAGES SPECIFIC TO STACKING PROCESS

摘要

A secondary battery, including: a plurality of first aluminum foils, each two adjacent foils of the first aluminum foils being separated by a first preset gap and connected with each other by a first adhesive tape, each of the first aluminum foils having a first electrode lug, and all the first electrode lugs being connected in parallel for serving as a positive terminal; a plurality of second aluminum foils, each two adjacent foils of the second aluminum foils being separated by a second preset gap and connected with each other by a second adhesive tape, each of the second aluminum foils having a second electrode lug, and all the second electrode lugs being connected in parallel for serving as a negative terminal; and a separation film disposed between the first aluminum foils and the second aluminum foils, and the stack is wound into a required shape.