Solid-state paper batteries for controlling paper transistors

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A commercial sheet of paper based on natural cellulose fibers acting as permeable membrane with thin film metal cathode (Cu) and anode (Al) layers in each face was used to produce paper batteries that could be interconnected in series and rechargeable using water as electrolyte. Their electrical characteristics and the set of electrochemical reactions that support the experimental behavior observed are described in this paper. A series of integrated batteries able to supply a voltage of about 3V and a current ranging from 0.7μA to 25μA in cells with sizes of 1.2cm×3.0cm for a relative humidity in the range of 50–65% were produced in a single sheet of paper, and successfully applied to control the ON/OFF gate state of paper transistors.
Original languageUnknown
Pages (from-to)1099-1105
JournalElectrochimica Acta
Issue number3
Publication statusPublished - 1 Jan 2011

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