Researchers from the Dresden University of Technology have demonstrated a novel energy storage principle for storing energy in lithium ion batteries using a porous organic polymer framework material. This could give these new batteries double the energy storage capacity of conventional lithium ion batteries.
The lithium ion battery was a landmark event in technology. The lightest of all metals, lithium batteries have made all manner of electronic devices compact and portable, ushering in the era of miniaturised mobile technology. However, their use beyond these applications has been limited as they struggle to match the power output of the combustion engine, for example. Also, the transition metals they commonly use are becoming more scarce and expensive.
Ken Sakaushi at the Dresden University of Technology and co-workers aim to solve both of these issues with their demonstration of a novel energy storage principle for a cathode based on a porous organic polymer framework material.
The advantages include precise control over the pore size and distribution to deliver high surface area and allow rapid transport of the ions into and out of the electrode, moreover, they can also be lighter than the transition metal oxides normally used.
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