Recently, according to foreign media reports, Nokia and Queen Mary University have created a smartphone prototype that can only be used for sound wave charging. This is because they have found that playing music can improve the performance of solar cells. Therefore, we hope to create a nanogenerator that can collect energy from the surrounding sounds. According to reports, the key of the generator is zinc oxide, which can generate voltage when expansion and contraction occur. The formation of nanorods from zinc oxide can generate a voltage of 5 volts to charge the cell phone.
Nokia wants to charge the phone with voice (photo quoted from qingding)
At present, smart phones, especially large-screen mobile phones, have encountered a problem of standby. Most manufacturers use larger battery capacities or provide quick charging solutions to meet the power consumption of smart phones. If the technology matures in the future and it can be truly used in mobile phones, then it means that we can charge the mobile phone at any time without worrying about the lack of power.
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