Organic “soft” secondary batteries


The presence of “light” and high efficiency secondary batteries that are “able to be made into any shape” and “bent and attached” is vital as an energy source in ubiquitous societies. At the same time, ecosystem societies hope for batteries to use organic materials.


Development of macromolecules (redox polymers) that have the ability to rapidly and reversibly accept and donate electrons, and can be handled stably even in air at room temperature. 


A separating film is set between two types of redox polymers with different potentials, then when necessary, they are attached to conductive plastic, enabling the creation of secondary batteries exclusively from organic materials. Charging and discharging is very rapid (charging in a few seconds), and because they are thin and soft materials, it is hoped they can be adapted to use as power sources in high-functionality cards and electronic paper, power sources for wearable computers and more.


They have groundbreaking output characteristics, high-speed charging and even constant output potential. The flexibility and mold processability unique to organic polymers is high. Their environmental adaptability is also high, in terms of their being incineration friendly, free from heavy metals, and so forth. In addition, there are no concerns regarding overheating or igniting.

purpose of providing seeds

Sponsord research, Collaboration research, Technical consultation


  • 2012-0307-01
posted: 2014/05/21