According to foreign media reports, for many years, scientists have regarded silicon as a promising material in the field of lithium-ion batteries. The main reason for this is that using it as an anode may mean that the battery stores 10 times more electricity than the current capacity-at least in theory. In actual use, the silicon electrode is easily broken. Scientists at the Norwegian Institute of Energy Technology now claim to overcome this problem with a new material called SiliconX.
Over the years, scientists around the world have been working hard to study how to stabilize relatively fragile silicon into battery anodes. The researchers describe the new material as the “x factor†they have been looking for. We have seen many experimental techniques showing great hope in the laboratory. Some more interesting methods include placing silicon in a "cage" of graphene, crushing it into powder, using it as a nanowire with a length of a few microns, and deploying it in the form of nanoparticles.
The problem with using conventional silicon as the anode is that as the battery is charged, the particles swell up to 400% and then return to normal when they are discharged, which causes them to break. Scientists at the Norwegian Institute of Energy Technology say they have overcome this problem with a new silicon alloy that carefully mixes silicon nanoparticles with an unnamed material. Scientists are trying to apply for a patent for this technology.
The team has tested in the laboratory and stated that although the new battery design will initially affect capacity, its stability throughout the charging cycle means that it stores much more electricity than the rapidly degrading pure silicon anode, and its storage The amount of electricity is three to five times higher than the graphite anodes currently used in batteries.
Scientists have received support from the Norwegian Research Council to continue their work. They will also work with private companies to try to bring SiliconX to market.
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