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- W4313597910 startingPage "117147" @default.
- W4313597910 abstract "MNC (M refers to transition metals) catalysts are the most promising alternative candidates to replace the precious commercial Pt/C catalysts for fuel cells. Due to the high reaction energy barriers between M and N elements, however, a simple and effective route to form M−Nx actives sites in MNC catalysts remains a big challenge. Herein we have developed a confined vapor expansion growth of core–shell CuOC catalysts, which demonstrated good ORR activities (onset potential: 0.895 V, halfwave potential: 0.837 V) under 273–278 K low temperatures. Experimental and first-principles calculations results elucidated that Cu2O active sites were found on the copper core of core–shell CuOC catalysts. By means of forming copper complex organometallics, CO, CO and Cu–O bonds between carbon shell and copper core of core–shell CuOC catalysts were constructed, which contributed to their synergistic catalysis. Challenging the dominated MNC catalysts, the MOC design route will pave a new road to synthesize high-efficient and low-cost catalysts for fuels cells." @default.
- W4313597910 created "2023-01-06" @default.
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- W4313597910 date "2023-02-01" @default.
- W4313597910 modified "2023-09-25" @default.
- W4313597910 title "Vapor expansion growth of core–shell Cu O C catalysts to boost low temperature oxygen reduction catalysis" @default.
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- W4313597910 doi "https://doi.org/10.1016/j.jelechem.2023.117147" @default.
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