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- W4385956105 abstract "Abstract The combination of metal monoatomic with alloys on carbon support facilitates the promising activity in oxygen reduction. However, the alloys still suffer from the degradation of catalyst stability due to carbon corrosion. Herein, the NC/Ti 4 O 7 support was loaded with both monoatomic Fe and Pt-Co alloys using a one-step calcination method. The results indicate that chelation of Fe 3+ with α-D-glucose, physical segregation of excess α-D-glucose and binding to N species at high temperatures are essential to increase the loading of monatomic Fe in Fe 1 /PtCo-NC/Ti 4 O 7 . Fe 1 /PtCo-NC/Ti 4 O 7 demonstrates a half-wave potential of 0.941 V and a mass activity of 3.16 A mg Pt -1 . This mass activity is as high as 6.87 times that of Fe/PtCo-NC/Ti 4 O 7 (without α-D-glucose during the synthesis, 0.46 A mg Pt -1 ). Meanwhile, Fe 1 /PtCo-NC/Ti 4 O 7 exhibits a peak power density of 210.5 mW cm -2 and a specific capacity of 771.1 mAh g Zn -1 in a zinc-air battery. This dual-substrate strategy provides a new perspective on the multilevel construction of catalysts." @default.
- W4385956105 created "2023-08-18" @default.
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- W4385956105 date "2023-08-01" @default.
- W4385956105 modified "2023-10-17" @default.
- W4385956105 title "Monoatomic Fe and Pt-Co alloys on NC/Ti<sub>4</sub>O<sub>7</sub> for efficient and durable oxygen reduction" @default.
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- W4385956105 doi "https://doi.org/10.1088/1742-6596/2563/1/012018" @default.
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