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Self-enhanced localized alkalinity at the encapsulated Cu catalyst for superb electrocatalytic nitrate/nitrite reduction to NH₃ in neutral electrolyte.

ABSTRACT: The electrocatalytic nitrate/nitrite reduction reaction (eNO_x^-RR) to ammonia (NH₃) is thermodynamically more favorable than the eye-catching nitrogen (N₂) electroreduction. To date, the high eNO_x^-RR-to-NH₃ activity is limited to strong alkaline electrolytes but cannot be achieved in economic and sustainable neutral/near-neutral electrolytes. Here, we construct a copper (Cu) catalyst encapsulated inside the hydrophilic hierarchical nitrogen-doped carbon nanocages (Cu@hNCNC). During eNO_x^-RR, the hNCNC shell hinders the diffusion of generated OH^- ions outward, thus creating a self-enhanced local high pH environment around the inside Cu nanoparticles. Consequently,

SUBMITTER: Shen Z

PROVIDER: S-EPMC11235175 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature

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Self-enhanced localized alkalinity at the encapsulated Cu catalyst for superb electrocatalytic nitrate/nitrite reduction to NH₃ in neutral electrolyte.

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Dataset Information

Self-enhanced localized alkalinity at the encapsulated Cu catalyst for superb electrocatalytic nitrate/nitrite reduction to NH3 in neutral electrolyte.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Self-enhanced localized alkalinity at the encapsulated Cu catalyst for superb electrocatalytic nitrate/nitrite reduction to NH₃ in neutral electrolyte.