Week 4
nanogenerator resembles a small, stamp-sized patch that attaches to your skin. The power generates thanks to the triboelectric effect, which is when certain types of materials can become electrically charged through contact and friction with another material — in this case, the patch gains the charge through fiction with human skin. When the two materials are pulled apart, they generate a current that can be harvested. An electrode is needed in order to harvest the current, so the research team installed a 50nm-thick gold film to get the job done. The gold film sits below a silicone rubber layer composed of thousands of tiny pillars that help create more surface area for skin contact, which in turn creates more friction.
nanogenerator resembles a small, stamp-sized patch that attaches to your skin. The power generates thanks to the triboelectric effect, which is when certain types of materials can become electrically charged through contact and friction with another material — in this case, the patch gains the charge through fiction with human skin. When the two materials are pulled apart, they generate a current that can be harvested. An electrode is needed in order to harvest the current, so the research team installed a 50nm-thick gold film to get the job done. The gold film sits below a silicone rubber layer composed of thousands of tiny pillars that help create more surface area for skin contact, which in turn creates more friction.
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