In such systems, electric current occurs thanks to natural biochemical processes in plant cells and microorganisms. The problem was a cathode reaction – it progressed very slowly without an expensive platinum catalyst. Scientists found a solution that replaced platinum with an affordable manganese dioxide.
The new catalyst increased the power of the element from 20 to 33 MW/m² and reduced the internal resistance of the system. This is a serious step for technology that can be used to provide power to autonomous water treatment systems and low -power devices.
For areas with a warm climate, such solutions are promising that the problem of access to pure water is acute.
Source: Ferra
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