High‐Efficiency Electrocatalytic Conversion of Nitrite to Ammonia Using Nickel Phthalocyanine DOI

Amal Gain,

Parnab Bhabak,

S. Bhowmick

et al.

Chemistry - An Asian Journal, Journal Year: 2025, Volume and Issue: unknown

Published: April 30, 2025

Nitrite (NO2 -) is a dangerous pollutant that often found in groundwater sources and endangers human health. In addition to nitrite removal requirements, electrocatalytic reduction reaction (eNO2RR) holds promise for value-added ammonia (NH3) production at room temperature. this study, solvothermal technique the preparation of nickel phthalocyanine (NiPc) used as highly active electrocatalyst conversion NO2 - NH3 under ambient conditions. The NiPc catalyst shows remarkable Faradaic efficiency (FE) 90.1% -0.9 V versus RHE with maximum yield rate 14667 µg h-1 mgcat. -1 -1.0 0.1 M Na2SO4 containing NaNO2 solution. Furthermore, exhibits exceptional long-term stability during chronoamperometry tests. These findings boost future from sustainable development.

Language: Английский

Work Function-Induced Electronic Modulation in NiCo Alloy for Electrochemical Nitrate Reduction DOI
Yan Shen,

Yingnan Dou,

Liping Sun

et al.

Inorganic Chemistry, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

The rational design of electrocatalysts is great significance in the production ammonia (NH3) through a nitrate reduction reaction (NO3-RR). This article proposes approach to regulate electron redistribution and intermediate adsorption energy by adjusting work function alloy compounds. As an example, NiCo successfully electrodeposited on carbon cloth (CC) using deep eutectic solvent (DES) as medium. results show that rate high 1.55 mmol h-1 cm-2 at -0.38 V vs RHE, with Faraday efficiency be 84.94%, selectivity 94%. Experimental characterizations combined density functional theory calculations confirm alloying beneficial for reducing Ni. turn adjusts d-band center Fermi level, changes rate-determining step during process, consequently improves performance. Eventually, investigation conducted Zn-NO3- battery fabricated Ni1Co2/CC. further exhibits potential Ni1Co2/CC within conversion equipment. study brings fresh concepts opportunities development novel NO3-RR.

Language: Английский

Citations

0
High‐Efficiency Electrocatalytic Conversion of Nitrite to Ammonia Using Nickel Phthalocyanine DOI

Amal Gain,

Parnab Bhabak,

S. Bhowmick

et al.

Chemistry - An Asian Journal, Journal Year: 2025, Volume and Issue: unknown

Published: April 30, 2025

Nitrite (NO2 -) is a dangerous pollutant that often found in groundwater sources and endangers human health. In addition to nitrite removal requirements, electrocatalytic reduction reaction (eNO2RR) holds promise for value-added ammonia (NH3) production at room temperature. this study, solvothermal technique the preparation of nickel phthalocyanine (NiPc) used as highly active electrocatalyst conversion NO2 - NH3 under ambient conditions. The NiPc catalyst shows remarkable Faradaic efficiency (FE) 90.1% -0.9 V versus RHE with maximum yield rate 14667 µg h-1 mgcat. -1 -1.0 0.1 M Na2SO4 containing NaNO2 solution. Furthermore, exhibits exceptional long-term stability during chronoamperometry tests. These findings boost future from sustainable development.

Language: Английский

Citations

0