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Homemade Laserscribe Graphene Supercapacitor Test - YouTube
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日期：2025-10-22
Here I am comparing the three different graphene supercapacitors that I've made. After charging them with a DC current at 4.2 volts, I tested there output voltage. Here are the 3 different caps: -One is made with 1g polyvinyl alcohol, 10g distilled water,...看更多
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