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This work offers a new direction for low-cost, non-nucleophilic electrolyte and paves the way to explore high-power Mg/S batteries.There is an urgent need for developing nonprecious metal catalysts to replace Pt-based electrocatalysts for oxygen reduction reaction (ORR) in fuel cells. Atomically dispersed M-Nx/C catalysts have shown promising ORR activity; however, enhancing their performance through modulating their active site structure is still a challenge. In this study, a simple approach was proposed for preparing atomically disper

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How to Find a Double Bed Mattress on Sale A good mattress can be a costly purchase. The most knowledgeable buyers know that the best offers are on sale during major holidays. AD staffers such as Contributor Katie Henwood swear by the Nectar memory foam mattress, which is now $949 for queen size (reduced from $1,499). It's an excellent choice for those who sleep on their sides, offering more support, but not too rigid. Comfort The right mattress can make an enormous difference in how you feel ea