If wearing clothing can be used to charge a cell phone, that would be much better. But now the method is in the coat such as placing solar panels on the back of "pseudo high-tech". Placed in the shoe to recycle energy kinetic energy recovery devices seems like a good idea, but now there is a new type of fabric, it can dig out we humans usually don't like a new source of energy--electricity.
This new fabric is formed by Korea Sungkyunkwan University (Sungkyunkwan University), development and fabrication of materials scientist team led by Sang-Woo Kim, this material is made from two layers of fabric, which is silver fiber, another layer is coated with zinc oxide Nano-poly dimethyl siloxane materials. When generating moves, each layer would rub together, which can be triggered by natural daily activities every day.
Move will produce the triboelectric effect, which is when I was at primary school, we balloon on your hair or on the glass rod with silk generated by friction of static electricity. When the friction between the two materials, and electronic transfer on the surface of the two, resulting in the side with a positive charge, and with a negative charge on the other side of the phenomenon.
When two materials are separated from each other, it will produce a small electrical current, it's almost like you with their hands in the winter may feel when you touch the metal doorknob to electrical stimulation.
Because not every material can produce such effects, as well as different materials produced by the user walking effects are also different, so for Professor Sang-Woo Kim and his team, part of the job is to find the best pair of electrostatic material to produce an optimal level – this material is silver and nano-coated poly dimethyl siloxane. 100-nanometer zinc oxide nanorods increases the contact area, which can result in greater friction and, therefore, produce greater power output. Valentino iPhone case
According to the team's findings, a four-square silver and nano-coated fabrics of poly dimethyl siloxane can produce 120V output voltage and output current 65 UA, rather than nano-coating of polydimethyl siloxane can only produce a voltage of 30V and 20 microamps of current.
When there is a 4 layer stacked together, it can generate the output voltage of 170V and 120 micro-ampere output current, and could reach 12,000 cycles.
Obviously, with the current power level, it still has some limitations. In its current state is not enough to charge the Smartphone directly, want to charge a smart phone may need to cater for a charged battery pack, users continue to charge the battery in the normal movement in order to use in case of emergency.
via cnet Valentino iPhone case
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