Michigan Tech finds better capacitor

A new process for growing forests of manganese dioxide nano-rods may lead to the next generation of high-performance capacitors, according to researchers at Michigan Technological University. Dennis Desheng Meng’s research group has developed a technique to grow manganese dioxide nano-rods that minimises internal resistance, allowing the capacitor to charge and discharge repeatedly without wearing out.

Even after Meng’s group recharged its capacitor more than 2,000 times, it was still able to regain over 90% of its original charge.

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