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The discovery of the heterostructures that is combining two materials with different properties has brought new opportunities for the development of lithium sulfur batteries (LSBs). Here, C3N4‐CoSe2 composite is elaborately designed and used as a functional coating on the LSBs separator. The abundant chemisorption sites of C3N4‐CoSe2 form chemical bonding with polysulfides, provides suitable adsorption...
Achieving stable Zn plating/stripping under high current density and large area capacity remains a major challenge for metal Zn anodes. To address this issue, common filter paper is utilized to construct 3D carbon fiber skeleton film modified with gradient Cu nanoparticles (CFF@Cu). The original zincophobic hydrophilic CFF is transformed into gradient zincophilic and reversed gradient hydrophilic...
Li‐rich Mn‐based cathodes have been regarded as promising cathodes for lithium‐ion batteries because of their low cost of raw materials (compared with Ni‐rich layer structure and LiCoO2 cathodes) and high energy density. However, for practical application, it needs to solve the great drawbacks of Li‐rich Mn‐based cathodes like capacity degradation and operating voltage decline. Herein, an effective...
Orthorhombic MoO3 (α‐MoO3) with multivalent redox couple of Mo6+/Mo4+ and layered structure is a promising cathode for rechargeable aqueous Zn‐ion batteries (AZIBs). However, pure α‐MoO3 suffers rapid capacity decay due to the serious dissolution and structural collapse. Meanwhile, the growth of byproduct and dendrite on the anode also lead to the deterioration of cyclic stability. This article establishes...