Abstract
In the communication, we firstly introduced a novel fiber-type zinc–carbon battery with high performance. The fiber battery comprises two carbon fiber based electrodes, one insulated wire as the separator, and electrolyte, which is sealed in a flexible plastic tube. The fiber battery does not exhibit any loss in the capacity during the bending tests, illustrating good flexibility. Two fiber batteries connected in series could light up a commercial green LED when bent around human finger. Furthermore, the fiber battery using carbon fiber as current collector, we believe, is a new light weight, low cost portable power source, showing great potential application in the field of flexible/wearable electronic devices.
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