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Fuel Cell for Pacemaker is Powered Directly from the Human Body



Generally, pacemaker batteries last for several years. But a new technology developed by researchers at Joseph Fourier University in France may make that long-lasting battery obsolete. This device may be able to generate electrical energy by absorbing glucose inside the human body. It's sort of like hosting an alien parasite, except without the irritating chest-bursting side effects. In Fast Company, Kit Eaton writes:

The trick the scientists worked out was to build the cell's electrodes out of compressed graphite, which has been treated with enzymes that oxidize incoming glucose molecules, with a resulting release of electrical energy. Add in a plastic-based membrane that only permits glucose and oxygen to penetrate and some platinum wiring and what you get is the world's first successful glucose fuel cell that can harvest chemicals already present in a living organism. It's capable of putting out a peak power of 6.5 microwatts in its experimental implementation, which is not enough to power a typical pacemaker (which needs around 10 microwatts) but the team is confident that the tech can be optimized to achieve this power output.

So what's all the buzz about this device? Its potential is absolutely incredible for medical devices that are permanently implanted into patients' bodies--things like pacemakers at the moment, but potentially in the future including gizmos like insulin pumps or, just possibly, an artificial heart. In one stroke, this reduces the need for complex surgery to replace the conventional power cells inside these devices, with all sorts of health and lifestyle benefits of having a reliable self-fueling electricity supply--along with the undeniable cachet of turning its users into genuinely bionic people


Link | Image: Virtue Beat

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Once the machines start to take over we will blot out the sky and they will turn to us for their power source. I for one am looking forward to the One that the Oracle prophesied will bring down the Matrix.
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Mmmm wonder if it could be used just to burn off excess glucose? Making the fuel cell a fat burner... before the fat become fat...
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Yep- you are missing the point that the human body can supply a life-long stream of enzymes that are proteins to oxidize glucose. So if the unit has a small pump (could just be blood pressure) to channel frsh enzymes past that membrane, that problem is solved.
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