Coal Oil The summer of 2022 was undoubtedly a very hot and unbearable period. in the Arctic Circle, the temperature once soared to 32.5 degrees centigrade, and the ice sheet covering Greenland, the world's largest island, is also melting faster. CO 2 CH 4 N 2 O "Greenhouse gas emissions from the burning of fossil fuels such as coal, gas and oil are making heatwaves hotter, more persistent and more frequent.“ ——Friederike Otto a leading UK climatologist Alternative Alternative Microbial Fuel Cell Cytochromes with Fe 2+ /Fe 3+ redox center After in situ reduction Compared with Fe 2+ /Fe 3+ redox center, AgNPs may act as metal shortcuts to bypass redox center-mediated slow electrons, which boost the current density of MFC. We call it Silvanela = Silver + Shewanella MFC can directly convert chemical energy stored in organic matter into electricity, and have important applications in power generation and wastewater treatment. However, current MFC generally exhibit undesirably low power density. So how to improve it? We plan to display a silver-binding protein on the membrane of Shewanella to help it capture silver ions and reduce silver in into nanoparticles. silver nanoparticles can boost the charge-extraction efficiency So we got a synthetic biohybrid system of Shewanella and silver nanoparticles Shewanella is often used in microbial fuel cells(MFCs) E l e c t r o n i c C o n d u c t i v i t y The climate crisis is not waiting for us ！

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