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M-Nx/C (M = Fe, Co) type electro-catalyst as a promising alternative to Pt-based electro-catalyst for oxygen reduction reaction (ORR) in fuel cells has been studied for years. However, the mechanism of this four-electron process involving several successive steps and the dynamic intermediate (hydrogen peroxide) participation still remains obscure. In this study, a series of Co-Nx/C with varied densities...
Catalysts for oxygen reduction reaction (ORR) are crucial for fuel cells. However, the rarity and poor durability of Pt-based catalysts have prohibited its commercialization. Herein, we report cobalt-incorporated nitrogen-doped CNT (Co-NCNT) as a Pt-free, efficient and low-cost catalyst for ORR, which is synthesized by the pyrolysis of melamine formaldehyde in which cobalt nitrate is homogeneously...
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