Solid oxide fuel cells for ammonia synthesis and energy conversion

Goldstein, Valentina; RATH, MANASA KUMAR Kumar; Kossenko, Alexey; Litvak, Natali; Kalashnikov, Alexander; Zinigrad, Michael

doi:10.1039/d2se00954d

Cited by 5 publications

(3 citation statements)

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“…The detailed experimental process is described elsewhere. 31 ■ RESULTS AND DISCUSSION Manganese Nitride Characterization. Crystallographic phase analysis was performed to evaluate the Mn x N y catalyst compositions.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

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Heterogeneous Catalyst-Modified Anode in Solid Oxide Fuel Cells for Simultaneous Ammonia Synthesis and Energy Conversion

Rahumi,

Rath,

Kossenko

et al. 2023

ACS Sustainable Chem. Eng.

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An innovative and cost-efficient method of coproduction of electricity and ammonia through solid oxide fuel cells (SOFCs) by implementing a transition metal nitride (Mn x N y ) catalyst on the fuel electrode is the focus of the work. Breaking molecular nitrogen (N�N) with a simultaneous enhancement in the electrochemical performance of the Ni-ScSZ-supported-SOFC was achieved by using transition metal nitride (Mn 4 N) catalysts on the fuel electrode. Ex situ X-ray diffraction and X-ray photoelectron spectroscopy revealed the chemical stability of the Mn x N y catalyst under H 2 and N 2 atmospheres under cell operating conditions. The nitrogen reduction reaction (NRR) at the Mn 4 N active sites was measured via hydrogenation of lattice nitrogen and formation of metallic Mn followed by renitrification of the catalyst. Electrochemical impedance spectroscopy analysis of the catalystmodified cell revealed improved hydrogen oxidation reaction activity and NRR during cell operation. The cell exhibited peak power densities of 539 and 374 mW•cm −2 for humidified (3 wt %) H 2 and a dry N 2 /H 2 (1:1) mixture, respectively. Furthermore, a high rate of ammonia production of 1.63 × 10 −9 mol•cm −2 •s −1 and a power density of 348 mW•cm −2 were achieved when the cell was operated at 800 °C.

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Section: ■ Materials and Methodsmentioning

confidence: 99%

“…The ammonia concentration was quantified via optical spectroscopy using a Genesys 50 spectrophotometer (Thermo Scientific, USA). The detailed experimental process is described elsewhere …”

Section: Methodsmentioning

confidence: 99%

Heterogeneous Catalyst-Modified Anode in Solid Oxide Fuel Cells for Simultaneous Ammonia Synthesis and Energy Conversion

Rahumi,

Rath,

Kossenko

et al. 2023

ACS Sustainable Chem. Eng.

Self Cite

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“…There are various types of power generation systems 5 available in the market, which mainly include fuel cells (FCs), 6 lithium ion, 7 sodium sulphur, supercapacitor, 8 superconducting magnetic, wind, and solar photovoltaics (PV). 9 Each of them has its pros and cons; among them, the solid oxide fuel cell (SOFC) 10 system is one of the most effective and efficient FC systems, which can directly generate electricity from the electrochemical reaction with the least spread of pollution compared to the conventional energy production methods. 11 However, currently and in future, it also imposes some challenges on the SOFC-based DC microgrids, such as the following:…”

Section: Introductionmentioning

confidence: 99%

Optimization of energy management in hybrid SOFC-based DC microgrid considering high efficiency and operating safety when external load power goes up

Zhang¹,

Xie

Niu³

et al. 2023

Sustainable Energy Fuels

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Engineering active sites of cathodic materials for high-performance Zn-nitrogen batteries

et al. 2023

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Solid oxide fuel cells for ammonia synthesis and energy conversion

Abstract: Fuel cells are electrochemical devices that convert the chemical energy of fuel and an oxidizing agent into electricity, producing water as a byproduct. This work demonstrates the use of solid...

Cited by 5 publications

References 39 publications

Heterogeneous Catalyst-Modified Anode in Solid Oxide Fuel Cells for Simultaneous Ammonia Synthesis and Energy Conversion

Heterogeneous Catalyst-Modified Anode in Solid Oxide Fuel Cells for Simultaneous Ammonia Synthesis and Energy Conversion

Optimization of energy management in hybrid SOFC-based DC microgrid considering high efficiency and operating safety when external load power goes up

Engineering active sites of cathodic materials for high-performance Zn-nitrogen batteries

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