4 years ago

Toward Wearable Energy Storage Devices: Paper-Based Biofuel Cells based on a Screen-Printing Array Structure

Toward Wearable Energy Storage Devices: Paper-Based Biofuel Cells based on a Screen-Printing Array Structure
Masayuki Itagaki, Isao Shitanda, Yoshinao Hoshi, Misaki Momiyama, Seiya Tsujimura, Naoto Watanabe, Tomohiro Tanaka
A novel paper-based biofuel cell with a series/parallel array structure has been fabricated, in which the cell voltage and output power can easily be adjusted as required by printing. The output of the fabricated 4-series/4-parallel biofuel cell reached 0.97±0.02 mW at 1.4 V, which is the highest output power reported to date for a paper-based biofuel cell. This work contributes to the development of flexible, wearable energy storage device. Array structure: Flexible, wearable, paper-based fuel cells, as potential future energy storage devices are developed. The optimum design of individual paper-based cells that can be constructed by ink printing onto water-repellent-treated Japanese paper was determined by finite element simulation. When arranged into a 4-series, 4-parallel configuration, this cell delivers an output power of almost 1 mW, enough to power a small portable device.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/celc.201700561

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