Developed new solid electrolyte that may replace 18650 lithium ion battery cell

　　According to foreign media reports, the Hosein Research Group at Syracuse University in the United States has developed a new solid electrolyte to replace the current liquid electrolyte in aluminum-ion batteries, enabling it to meet high-demand applications such as automobiles. . The electrolyte consists of a very soft polymer that also allows aluminum ions to penetrate, and a very hard epoxy resin that provides thermal stability and durability. The polymer is converted into an aluminum ion electrolyte by dissolving aluminum salts (such as aluminum nitrate) into the polymer matrix.

　　Currently, Hussain's research group is actively working to realize the fabrication of all-solid-state aluminum-ion batteries, in which all components including the electrolyte are solid state, which will help integrate aluminum-ion batteries into high-demand applications such as automobiles.

　　Aluminum-ion batteries are a promising next-generation battery technology that can meet future energy delivery needs. They have the same structure as lithium-ion, except that lithium is replaced by aluminum. Aluminum is the third most abundant element in the Earth's crust and a very cheap alternative to lithium metal. Batteries made of aluminum have the highest voltage, store the most energy, and deliver the highest current. They have 4 times the storage capacity and carry 3 times the charge of 18650 lithium ion battery cell.

　　Lithium only accounts for 0.7% of the earth's crust. People are increasingly worried about whether 18650 lithium ion battery cell can meet the growing global demand, and their rising costs and high scarcity have also forced people to start looking for and developing more viable alternatives. Aluminum-ion batteries may be the next generation storage technology in the post-lithium-ion battery era.

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