Can sodium battery replace lithium battery?

　　(1) Recently, it was reported that a team of scientists found that sodium batteries could replace lithium batteries. Lithium battery is the king of today's batteries, which has dominated the market for many years. In order to find better alternatives to lithium batteries, scientists are also working day and night to develop them. An international team of scientists found that sodium deposited in a special way can replace lithium battery production. Sodium batteries will be much cheaper than existing lithium batteries and have the same or even greater capacity. An international team of scientists found that sodium (NA) stacked in a special way can replace lithium (LI) for battery production. Sodium batteries will be much cheaper than existing lithium batteries and have the same or even greater capacity. Lithium ion batteries entered the market in 1991 and won the Nobel Prize in Chemistry in 2019 for their revolutionary contributions to technological development. At the same time, lithium is an expensive alkali metal, and its reserves are limited in the world. At present, there is no effective substitute for lithium ion battery.

　　(2) Because lithium is one of the lightest chemical elements, it is difficult to replace lithium to make high-capacity batteries. A special way of stacking atoms is actually to put them one under the other. This structure is formed by transferring atoms from one metal to the space between two graphenes under high pressure, which can simulate the charging process of the battery. Finally, it looks like a sandwich, consisting of one layer of carbon, two layers of alkali metal and another layer of carbon. The double-layer sodium atom arrangement shows that its anode capacity is comparable to the traditional graphite anode (335ma * HG - lithium 372ma * HG) in lithium ion batteries. However, sodium is more common than lithium, so it is cheaper and easier to obtain. The next step of the research team is to create experimental samples and conduct research in the laboratory. This will be carried out at the Max Planck Institute for Solids in Stuttgart, Germany. If successful, it will produce a new generation of sodium batteries, much cheaper than lithium ion batteries, with the same or even greater capacity. There is no doubt that sodium battery has price advantage and larger capacity, but whether sodium battery can really replace lithium battery remains to be seen!

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