Figure 9
From: Implantable Biofuel Cells Operating In Vivo—Potential Power Sources for Bioelectronic Devices
The biofuel cells composed of two pairs of the biocatalytic cathodes-anodes implanted in two lobsters wired in series and used for powering an electronic watch. (a) The operating watch powered by the implanted biofuel cells; (b) the wiring scheme; (c) the photo of the setup. (The figure is adapted from reference (60), reproduced with permission of the Royal Society of Chemistry.)