New magnesium battery enables cheap, safe energy storage technology -Lithium - Ion Battery Equipment
Recently, Category 4 Hurricane Harvey swept across the southern Texas coast of the United States, causing power outages to 300,000 households. However, the magnesium battery developed by Yao Yanxin, a professor at the Department of Electrical Engineering at the University of Houston and the Texas Superconducting Center, brings hope to people in dealing with disaster power outages. The team's new magnesium battery makes cheap and safe energy storage technology possible.
In an interview with Science and Technology Daily regarding his latest results published in Nature Communications, Yao Yan said: "New energy storage technology can be used as a backup energy source to fight hurricanes and can also make the power grid more stable." Current energy storage technologies include Supercapacitors, lead-acid batteries, lithium batteries, etc. Different technologies have different power supply power and duration. The choice of energy storage technology requires comprehensive consideration of geographical location, cost, safety, cycle life, energy density and other indicators.(Lithium - Ion Battery Equipment)
Magnesium batteries use magnesium metal as the negative electrode. Compared with lithium-ion batteries, magnesium batteries have three outstanding advantages: magnesium is abundant in the earth's crust, about 13.9%; the volume specific capacity of the magnesium negative electrode is twice that of lithium metal; in charge and discharge During the process, the magnesium metal negative electrode does not produce dendrites, so it is highly safe. However, the solid-phase diffusion of magnesium ions is very slow, making it difficult to find positive electrode embedding materials suitable for magnesium ion storage. "Finding cathode materials with high specific capacity and working voltage has become the key to developing magnesium batteries," Yao Yan said.
In response to this problem, they developed a new generation of cathode magnesium battery materials, which enables the battery to achieve a mass specific capacity of up to 400 mAh/g. Compared with early magnesium battery cathodes, the efficiency is increased by four times. At present, the voltage of the magnesium battery is about 1 volt, and the voltage of the next generation battery under development can be raised to nearly 3 volts.
Although this research is still in its early stages and there is no specific timetable for industrialization, it puts forward a new research idea and has guiding value for cheap and safe multivalent ion batteries. Yao Yan hopes that magnesium battery technology can provide solutions for future energy storage technology during disaster weather.
In an interview with Science and Technology Daily regarding his latest results published in Nature Communications, Yao Yan said: "New energy storage technology can be used as a backup energy source to fight hurricanes and can also make the power grid more stable." Current energy storage technologies include Supercapacitors, lead-acid batteries, lithium batteries, etc. Different technologies have different power supply power and duration. The choice of energy storage technology requires comprehensive consideration of geographical location, cost, safety, cycle life, energy density and other indicators.(Lithium - Ion Battery Equipment)
Magnesium batteries use magnesium metal as the negative electrode. Compared with lithium-ion batteries, magnesium batteries have three outstanding advantages: magnesium is abundant in the earth's crust, about 13.9%; the volume specific capacity of the magnesium negative electrode is twice that of lithium metal; in charge and discharge During the process, the magnesium metal negative electrode does not produce dendrites, so it is highly safe. However, the solid-phase diffusion of magnesium ions is very slow, making it difficult to find positive electrode embedding materials suitable for magnesium ion storage. "Finding cathode materials with high specific capacity and working voltage has become the key to developing magnesium batteries," Yao Yan said.
In response to this problem, they developed a new generation of cathode magnesium battery materials, which enables the battery to achieve a mass specific capacity of up to 400 mAh/g. Compared with early magnesium battery cathodes, the efficiency is increased by four times. At present, the voltage of the magnesium battery is about 1 volt, and the voltage of the next generation battery under development can be raised to nearly 3 volts.
Although this research is still in its early stages and there is no specific timetable for industrialization, it puts forward a new research idea and has guiding value for cheap and safe multivalent ion batteries. Yao Yan hopes that magnesium battery technology can provide solutions for future energy storage technology during disaster weather.
