Enabling isotropic Li growth via Li foil facet-engineering for high-performance Li metal batteries
Literature Information
Yanyan Liu, Shuyue Wang, Minghao Sun, Min Ling, Shaodong Zhou, Chengdu Liang
Notorious dendrite growth is the major cause of low coulombic efficiency and safety issues in Li metal batteries, which is highly related to the crystallographic features of Li crystals. Generally, Li dendrites tend to grow on the (110) crystal face with the lowest surface energy. However, the understanding of deposited Li morphology evolution is still unexplored in terms of the changes in the exposure possibility of various Li crystal faces. Herein, we report isotropic Li growth by minimizing the surface energy discrepancy of lithium crystal faces to induce homogeneous Li deposition. Using DFT calculations, the surface energy discrepancy decreased from 0.17 to 0.1 J cm−2 after manipulation. The yielded dendrite-free Li anode exhibited long-term cycling for 4000 hours at 3 mA cm−2 for 3 mA h cm−2 in symmetric cells and exhibited extraordinary performance of up to 10 mA cm−2 with a capacity of 10 mA h cm−2. Moreover, 91.5% capacity retention was achieved in LFP full cells cycled at 1C for about 650 times.
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Journal of Materials Chemistry A, B & C cover high quality studies across all fields of materials chemistry. The journals focus on those theoretical or experimental studies that report new understanding, applications, properties and synthesis of materials. The journals have a strong history of publishing quality reports of interest to interdisciplinary communities and providing an efficient and rigorous service through peer review and publication. The journals are led by an international team of Editors-in-Chief and Associate Editors who are all active researchers in their fields. Journal of Materials Chemistry A, B & C are separated by the intended application of the material studied. Broadly, applications in energy and sustainability are of interest to Journal of Materials Chemistry A, applications in biology and medicine are of interest to Journal of Materials Chemistry B, and applications in optical, magnetic and electronic devices are of interest to Journal of Materials Chemistry C. More than one Journal of Materials Chemistry journal may be suitable for certain fields and researchers are encouraged to submit their paper to the journal that they feel best fits for their particular article. Example topic areas within the scope of Journal of Materials Chemistry A are listed below. This list is neither exhaustive nor exclusive. Artificial photosynthesis Batteries Carbon dioxide conversion Catalysis Fuel cells Gas capture/separation/storage Green/sustainable materials Hydrogen generation Hydrogen storage Photocatalysis Photovoltaics Self-cleaning materials Self-healing materials Sensors Supercapacitors Thermoelectrics Water splitting Water treatment











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