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Controllable synthesis of highly active micro/nanostructured metal electrocatalysts for oxygen evolution reaction (OER) is a particularly significant and challenging target. Herein, we report a 3D porous sponge-like Ni material, prepared by a facile hydrothermal method and consisting of cross-linked micro/nanofibers, as an integrated binder-free OER electrocatalyst. To further enhance the electrocatalytic...
With the development of space electronic products, spacecraft electronic devices tend to diversify and the structures become complicated gradually. In addition, the tight expense control of electronic products promotes the localization of devices, In which a variety of domestic devices have been used. The brass(Cu-Zn alloy) pins plated with gold(Au) and tin lead(SnPb) layers have poor solderability...
We report the preparation of a nickel‐foam‐supported graphene sheet/porous NiO hybrid film by the combination of electrophoretic deposition and chemical‐bath deposition. The obtained graphene‐sheet film of about 19 layers was used as the nanoscale substrate for the formation of a highly porous NiO film made up of interconnected NiO flakes with a thickness of 10–20 nm. The graphene sheet/porous NiO...
When specifying goals of agents, temporal logics such as linear temporal logic LTL and branching time temporal logic CTL are adopted as basic tools. In order to specify goals in view of multi-agent cooperation which is one aspect of social interaction, two logic frameworks are proposed in this paper based on alternating-time temporal logic ATL. Firstly, ATL is extended with strong and weak exceptions...
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