Paper batteries have unique application value in many fields because of the advantages of high flexibility and low cost brought by the roll to roll process. This article expounds the research and development history, principle and process characteristics of printed paper batteries, introduces paper battery's application area including semi active RFID temperature tag, wearable device, iontophoresis mask, etc. The opportunities and challenges faced by printed paper batteries are briefly described as well.

printed electronics  /  paper battery  /  RFID tags  /  temperature label  /  iontophoresis