On January 19th, the Ministry of Science and Technology released a news that the Korea Research Foundation stated that South Korea’s Chungnam University has successfully developed a new type of magnesium-tin (Mg2Sn) alloy cathode device that has high-capacity charge-discharge performance and is expected to be used in the next generation of lithium-free rechargeable batteries. Widely used in the field. The research was published in the international academic magazine Journal of Power Sources.
Lithium-ion batteries currently used are expensive, have a short lifetime and are dangerous to explode. Compared with lithium ion batteries, magnesium ion batteries are relatively safe, environmentally friendly, and have a high energy density, and will be widely used in next-generation energy storage devices. However, when used in a cathode, a magnesium metal battery, like a lithium secondary battery, cannot be operated at a normal temperature and can only be used at a high temperature of 60 to 100 degrees.
The research group stated that the magnesium-tin alloy is a new type of cathode element. Unlike electrochemically oxidized magnesium metal cathodes, the magnesium-tin alloy ensures stability between electrolytes during charge and discharge. Mg2Sn cathode materials can be combined with a variety of anode materials to produce a variety of magnesium ion batteries. When cathodes are manufactured, conductivity, capacity, and power can be adjusted to improve battery performance.
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