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Rice Researchers Build Plant-Based Cathode For Li-ion Batteries

Rice researchers discovered that the perennial climbing madder plant can be used as a source for purpurin, an organic dye that can be turned into a highly effective, natural cathode for lithium-ion batteries.

As a result, the scientists believe that the material would allow them to use it to manufacture more environment-friendly batteries.

“Green batteries are the need of the hour, yet this topic hasn’t really been addressed properly,” said Arava Leela Mohana Reddy, lead author of the study. “This is an area that needs immediate attention and sustained thrust, but you cannot discover sustainable technology overnight. The current focus of the research community is still on conventional batteries, meeting challenges like improving capacity. While those issues are important, so are issues like sustainability and recyclability.”


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