Adaptive formed dual-phase interface for highly durable lithium metal anode in lithium–air batteries

Wax‐Transferred Hydrophobic CVD Graphene Enables Water‐Resistant and Dendrite‐Free Lithium Anode toward Long Cycle Li–Air Battery

“…In addition, a strong peak of C─F 3 is observed for the bare‐Li electrode, ascribable to the decomposition of LiTFSI. [ 25 ] When comparing the O 1s spectra, more oxygen contents were observed on the SEI of bare Li with an extra peak of Li 2 O at 528.3 eV, which should come from the decomposition of DOL. [ 26 ] Furthermore, in the Li 1s spectra the intensity ratio of LiF on the surface of gLi‐100 electrode is notably smaller than that on the surface of bare‐Li, further affirming the suppressed electrolyte decomposition.…”

“…In virtue of the great passivation effect from the graphene coating, the cycling performance of the gLi‐100‖Ru@CNT cell demonstrated here is ranked among the best Li–air batteries reported today, and is even superior to many of the state‐of‐the‐art Li–O 2 batteries tested in pure oxygen (Figure 6d ). [ 2 , 4 , 7 , 9 , 12 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 ] More absurdly here, to showcase the superb water tolerance of the gLi‐100 cell in operation, we immersed the as‐fabricated Li–air battery in water and found it can still light up an LED for a short period of time with the preperfused air (Figure 6e and Video S3 , Supporting Information).…”

“…[ 1 ] However, its prevailing applications outside the laboratory is still hindered by critical technical challenges including the low energy efficiency caused by large discharge/charge overpotentials, [ 2 ] the shortened lifetime due to electrolyte decomposition, [ 3 ] and the corrosion and safety issues related to the use of Li metal anodes. [ 4 ] Each of these issues needs to be earnestly taken care of and addressed in a systemic fashion before the technology can be ultimately deployed to benefit human life. [ 5 ] In the past decade, remarkable advances have been gained in improving the catalytic potency of the air cathode catalyst, [ 6 ] promoting the stability and redox‐mediating ability of the electrolyte, [ 7 ] and comparting the cell configuration for enhanced performance.…”

Stepped Channels Integrated Lithium–Sulfur Separator via Photoinduced Multidimensional Fabrication of Metal–Organic Frameworks

“…Produced through this powerful method, the obtained membranes with self-healing,h igh robustness and remained MOFs porosity might be promising candidates as separators in Li-S cell. Thea dvantages of these MOF@SP membranes are listed below: 1) the functional groups of -OH, Si-O-Si and C-O-C in the photopolymer can provide excellent mechanical properties and Li + compatibility; [37] 2) the open metal sites or functional groups of MOFs can help to inhibit the shuttling effect of polysulfides [19] and 3) the pore structures of multidimensional devices might be specially designed as stepped channels that are beneficial for Li + /electrolyte transfer and polysulfides inhibition.…”

Anticorrosive Copper Current Collector Passivated by Self‐Assembled Porous Membrane for Highly Stable Lithium Metal Batteries

“…[29] In addition, the flexible and lithiophilic SiOSi backbones are prone to relative rotation and produce a variety of conformations, which is pivotal for homogeneous Li-ion flux and deposition. [30] 2) The moieties of mercapto groups (SH) have particular affinity with Cu, spontaneously forming strong CuS bonds through thiol-Cu reaction. [31] The formation of strong CuS bonds not only ensure the organic film to be firmly fixed on the Cu subtract during repeated Li plating and stripping but also provide possibility for material preparation through facile self-assembly.…”