In order to break through the "squeeze" of square battery and the technology accumulation and usage habit of cylindrical battery for more than 50 years, soft-pack battery needs to give full play to its advantages of safety and high densitySoft-pack batteries have a bright futureAccording to statistics from qidian research institute (SPIR), in terms of the output of batteries of different shapes, the shipments of square cells in 2017 were the largest, but in terms of their year-on-year growth rate, the cylinder and soft package grew the fastest, reaching 57% and 26% respectively.