Duller, shallower dendrites don’t pierce the battery and cause fires. While the researchers compare it to a pile of snow that’s reduced by the it’s really like any kind of erosion, or the way sand pours into a broad circle that continues to spread. Potassium has higher surface mobility, meaning the atoms accumulate, but then spread themselves out. Purpose of Review The purpose of this review is to discuss the molecular mechanisms involved in osteocyte dendrite formation, summarize the similarities between osteocytic and neuronal projections, and highlight the importance of osteocyte dendrite maintenance in human skeletal disease. Lithium atoms have low surface mobility, meaning the ones that coalesce to form dendrites end up piling into each other, like the drips that form huge icicles on the corner of a house’s roof. Typically, dendrites grow and have sharp ends that pierce vital and volatile battery parts, causing chemical leaks or fire risk. How does dendrite healing work? Well, the potassium content of the battery ends up working in its favor for this job. “We demonstrate that the K-metal anode can be coupled with a potassium cobalt oxide cathode to achieve dendrite healing in a practical full-cell device,” the scientists write. Furthermore, that solution addressed the dendrite problem. As they iterated combinations of materials, these researchers realized they could get high performance by replacing the anode and cathode with potassium. In addition, simply swapping lithium for potassium doesn’t work the resulting battery isn’t nearly as good, and for a lithium-ion killer to compete, it will need to be at least nearly as good. In practice, metal batteries can develop the same destructive dendrites that plague some lithium-ion designs. In this case, the researchers are seeking a specific kind of battery holy grail: a metal battery that keeps the recharge-ability and longer life of the lithium compound and graphite anode. Scientists in many fields are working around the clock to improve on and replace lithium-ion battery technology. A metal battery in general, potassium or not, is believed to be a better solution than lithium compounds.Ĭould plentiful and inexpensive potassium replace lithium in a future generation of batteries? Researchers from Rensselaer Polytechnic Institute have proposed a design for a potassium battery that prevents performance- and durability-destroying metal dendrites from forming.
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