Lithium batteries are widely used in mobile devices such as mobile phones and notebook computers. As a result of battery short-circuiting, mobile devices are ignited and other dangerous events are increasing. Scientists from both China and the United States jointly completed a new study. They added nanoscale diamond particles to the electrolyte of lithium batteries to prevent the formation of short-circuit deposits inside the battery and to avoid the risk of fire caused by battery short circuits. Lithium batteries have high energy density and good discharge performance, and are widely used in industrial and consumer electronics. However, if pure lithium is used as an electrode, dendritic deposits called "dendrites" are easily generated inside the battery, and the size thereof will cause a short circuit. Most lithium batteries use lithium-incorporated graphite materials as electrodes, although the occurrence of "dendrites" is reduced to a certain extent, but it also greatly reduces the energy storage effect of lithium batteries (Lithium batteries with metallic lithium as electrodes only one tenth). The researchers added nanometer-sized diamonds to the lithium battery electrolytes. They found that the deposits formed inside the battery are smooth and not "dendritic." This new discovery is expected to inhibit the use of pure lithium metal as the electrode. The occurrence of dendrites allows Lithium batteries to perform better in safety and efficiency. It is understood that nano-sized diamonds are extremely small diamond particles, and their size is less than one ten-thousandth of the diameter of hair filaments, and their manufacturing cost is also very low, and they have a very regular structure and are easily and naturally arranged into a smooth surface. Researchers used lithium batteries with nanoscale diamonds for 200-hour charge and discharge cycle tests. The test results show that the technology should be sufficient in some industrial applications. Unfortunately, it is used in smart phones or laptops. , also need to further verify performance. The current study is published in the new issue of the journal Nature Communications, which was jointly completed by Tsinghua University in China and Drexel University in the United States. Liang metalworking Tools Co., Ltd. has
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