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Membrane desalination is a promising technology for producing freshwater from saline waters. Submicrometre-thick and nanopore-structured graphdiyne membranes on porous Cu hollow fibres accomplish nearly perfect NaCl rejections and ultrahigh water permeabilities.
Uncontrolled dendrite growth and severe side reactions at high capacities and rates impede its practical application for zinc metal anodes. Here, the authors propose a composite zinc anode with 3D hierarchical graphene matrix as a multifunctional host to regulate zinc deposition for aqueous zinc batteries.
Structural superlubricity (SSL) is a state of nearly zero friction and no wear between two contacted solid surfaces. Here, authors show that, by preventing edge contact with the substrate, a microscale graphite flake can achieve robust SSL against nanostructured silicon surfaces under ambient condition.
A strong and tough human muscle-like actuator fibre is developed by exploiting 2D graphene fillers within a liquid crystalline elastomer matrix. Reversible percolation of the graphene filler network endows the artificial muscle with a work capacity and power density beyond those of human or mammalian muscles.
An article in Communications Engineering reports the upcycling of waste plastics from vehicles into graphene that can be then used as an additive in foams for cars.
Heterogeneous microscale contacts between molybdenum disulfide and graphene or hexagonal boron nitride layers demonstrate ultralow friction independent of their relative orientation with residual drag that originates from edge effects.
Bending of few-layer graphene leads to interlayer slip, and slipping lowers the bending stiffness. Beyond a critical bending angle, the graphene layers bend like a stack of paper, with a state of superlubricity for interlayer slip.
