Printed Primary Battery in a Rolled-Up Form Factor

Author:

Willert Andreas1ORCID,Voigt Sven1,Zschau Tobias1,Zichner Ralf12ORCID

Affiliation:

1. Fraunhofer Institute for Electronic Nano Systems ENAS, 09126 Chemnitz, Germany

2. Faculty of Electrical Engineering and Information Technology, Technische Universität Chemnitz, 09107 Chemnitz, Germany

Abstract

In battery systems, there are several established form factors targeting mass market applications, like D, C, AA, AAA series, lithium round cells, and coin cells. Besides these standardized batteries, in printed electronics, there are several approaches to realize flat batteries of different material systems fabricating primary and secondary battery types. For a dedicated application in agriculture, a sensor system requires a degradable primary battery. In this paper, the development of a dedicated zinc–carbon battery is described, supplying the sensor application with 4.5 Vnom. The battery has a 170 mm length and a 23 mm outer diameter. while the inner core is open for the antenna system of the application. The active area is up to 161 cm2. The design and manufacturing aspects are described. The rolled-up battery system is fully charged after manufacturing and ready to operate. It may remain inside the degradable sensor system after use in the field.

Funder

Federal Ministry of Education and Research BMBF

Publisher

MDPI AG

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