Exploring the key role of electronic effects in Pd catalysts supported on Ni-modified N-doped porous carbon for direct synthesis of H2O2 under atmospheric pressure

Jiang, Donghai; Shi, Yongyong; Zhou, Liming; Ma, Jun; Yin, Chaochuang; Lin, Qian; Pan, Hongyan

doi:10.1016/j.mcat.2024.114407

Molecular Catalysis

2024

DOI: 10.1016/j.mcat.2024.114407

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Exploring the key role of electronic effects in Pd catalysts supported on Ni-modified N-doped porous carbon for direct synthesis of H2O2 under atmospheric pressure

Donghai Jiang,

Yongyong Shi,

Liming Zhou

et al.

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Manganese–Palladium Dual-Atom Catalyst Boosts Direct H₂O₂ Synthesis beyond 2 wt % at Atmospheric Conditions

Jiang,

Mou,

Wang

et al. 2024

ACS Catal.

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Direct synthesis of hydrogen peroxide (H 2 O 2 ) from H 2 and O 2 is appealing due to its nonpolluting nature, yet it is still very challenging to meet both high productivity and selectivity. In this work, a simple strategy was developed to synthesize a highly efficient dual-atom catalyst with a Mn atom inherited from nature biomass and a Pd atom artificially synthesized, which boosts a very high H 2 O 2 productivity of 46,798 mmol g Pd −1 h −1 and high selectivity of 89% even under atmospheric conditions (1 atm, 25 °C). Such high-efficiency catalysis enabled the production of a H 2 O 2 solution with concentration beyond 2 wt %, which has not been achieved in earlier work. Experimental characterizations revealed the great H 2 dissociation capability on the Pd−Mn/SMC (SMC = sylvestris mesoporous carbon) catalyst that was responsible for the high productivity. Theoretical calculations confirmed the favorable hydrogenation of undissociated O 2 to H 2 O 2 on the Pd−Mn dual-atom structure, which thus achieved high selectivity. Overall, this work provides a simple perspective on the utilization of natural species in biomass for single-atom structure fabrication and catalyst development for emerging applications.

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Manganese–Palladium Dual-Atom Catalyst Boosts Direct H₂O₂ Synthesis beyond 2 wt % at Atmospheric Conditions

Jiang,

Mou,

Wang

et al. 2024

ACS Catal.

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show abstract

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Exploring the key role of electronic effects in Pd catalysts supported on Ni-modified N-doped porous carbon for direct synthesis of H2O2 under atmospheric pressure

Cited by 1 publication

References 74 publications

Manganese–Palladium Dual-Atom Catalyst Boosts Direct H₂O₂ Synthesis beyond 2 wt % at Atmospheric Conditions

Manganese–Palladium Dual-Atom Catalyst Boosts Direct H₂O₂ Synthesis beyond 2 wt % at Atmospheric Conditions

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Exploring the key role of electronic effects in Pd catalysts supported on Ni-modified N-doped porous carbon for direct synthesis of H2O2 under atmospheric pressure

Cited by 1 publication

References 74 publications

Manganese–Palladium Dual-Atom Catalyst Boosts Direct H2O2 Synthesis beyond 2 wt % at Atmospheric Conditions

Manganese–Palladium Dual-Atom Catalyst Boosts Direct H2O2 Synthesis beyond 2 wt % at Atmospheric Conditions

Contact Info

Product

Resources

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Manganese–Palladium Dual-Atom Catalyst Boosts Direct H₂O₂ Synthesis beyond 2 wt % at Atmospheric Conditions

Manganese–Palladium Dual-Atom Catalyst Boosts Direct H₂O₂ Synthesis beyond 2 wt % at Atmospheric Conditions