According to the Dalian Institute of Chemical Physics under the Chinese Academy of Sciences, Chinese researchers have created a new type of lithium metal battery employing 3D printing technology, considerably enhancing the battery’s lifespan and energy density.
Due to their potential for having a high energy density, lithium metal batteries are anticipated to be the next generation of high-energy batteries. However, its use has been constrained by bottlenecks such as lithium dendrite development and low Coulombic efficiency, which cause poor cycle efficiency and low energy density.
The scientists at the institute create titanium carbide-based scaffolds for lithium metal to deposit as the cathode using 3D printing technology, which results in an exceptional areal capacity of 30 milliampere hour per square centimeter and a cycle lifespan of more than 4,800 hours without producing lithium dendrite.
The battery’s electrochemical efficiency was significantly enhanced by the porous lithium iron phosphate (LiFePO4) lattices used in the 3D-printed anode, which had a mass loading of 171 mg per square centimeter.
According to the study, this technical approach offers a workable plan for creating batteries with extended lives and high energy densities. The research was written up in the magazine Energy Storage Materials.
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