23 Years' Battery Customization

The battery made by "salt" may be more adverse than the lithium battery.

May 07, 2019   Pageview:823

For lithium batteries, I am sure that everyone is very familiar with them. Apple's products such as the iPhone and iPad are equipped with lithium batteries. Because lithium batteries have a relatively high battery capacity and practical cycle life, the application to the popularization process only took a very short time. However, a new material research result is expected to break the pattern of lithium battery domination.

 

According to relevant reports, a material science research team led by famous Chinese material scientists Zhenan Bao and Wei Cui has successfully developed a new cathode material for sodium ion batteries. The material has a very high battery capacity and a significant increase in cycle life, which is expected to replace the high-priced lithium-ion battery due to limited mineral resource reserves.

 

Limited reserves of mineral resources, lithium batteries need to be replaced in the future

 

Lithium batteries are widely used today, and there are lithium batteries in many industries related to electricity. As the most reliable battery on the mobile side, lithium-ion batteries have higher energy density and more thorough charge and discharge depth. It has ruled over the vast majority of applications such as mobile phones, computers, and electric vehicles that require rechargeable batteries. Due to the explosive growth of the lithium battery market, the demand has also risen on a large scale. The previous production capacity has already met the demand of the entire market, so the production capacity has also brought about a leap in the market, due to the scale of processing. Production has intensified the mining of lithium mines so that the lithium mines with limited reserves are exhausted in advance, so lithium batteries need to be replaced by a more practical battery in the future.

 

"Salt" will become a savior, the value of sodium battery is immeasurable

 

In order to solve the problem of limited reserves of lithium resources, scientists have placed research on another element of lithium, which is next to the elemental periodic table, sodium. Due to the proximity of the elemental period, some characteristics of the sodium element are very similar to those of the lithium element, and the sodium element has an incomparable advantage of lithium. That is, the sodium resources on the earth are quite rich, and it can even be said that it is impossible. Exhausted", the vast sea is full of sodium, and the salt that we eat on our table is all with sodium. There is also a very commercial reason, the use of sodium ions as a battery material cost only one-hundredth of a lithium battery, greatly reducing the cost of the business.

 

The sodium battery is still far away from the application, and research needs to continue to break through.

 

Although the advantages of sodium batteries are many, there is still a long way to go before the real scale production and use. First, the Zhenan Bao team only initially solved the cycle life of cathode materials. After many experiments, the capacity of the Na2C6O6 electrode has dropped by about 10% after 50 cycles of charging and power consumption. Although this result has already achieved a substantial breakthrough than before, it has to become a market circulation. The power supply must remain "firm" after hundreds or even thousands of cycles.

 

Secondly, this research only focuses on the cathode material of sodium battery, and the anode material is equally important for the real "birth" of sodium battery. It will also go through heavy difficulties and a long period of research to develop materials suitable for the anode material of sodium battery.

 

The page contains the contents of the machine translation.

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