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New catalyst design selectively suppresses competing hydrogen reaction in ammonia synthesis

Phys · · 728 words · By Seoul National University
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What to know about New catalyst design selectively suppresses competing hydrogen reaction in ammonia synthesis

Researchers at Seoul National University have developed a new catalyst design principle that improves the efficiency of electrochemical nitrogen reduction for ammonia production. By using steric hindrance to selectively suppress the competing hydrogen evolution reaction, the team achieved Faradaic efficiency near 100%.

Propaganda risk 10%
Claims checked 8
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center80%
Right20%

5 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

New catalyst design selectively suppresses competing hydrogen reaction in ammonia synthesis Robert Egan Senior Editor A research team led by professor Yousung Jung from the Department of Chemical and Biological Engineering at Seoul National University College…

Why it matters

Ammonia can store large amounts of hydrogen and remains in a liquid state at room temperature, making it easy to transport.

Common ground

For this reason, it has gained attention as a next-generation eco-friendly energy carrier capable of delivering energy generated from renewable sources such as wind and solar power.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Researchers at Seoul National University have developed a new catalyst design principle that improves the efficiency of electrochemical nitrogen reduction for ammonia production. By using steric hindrance to selectively suppress the competing hydrogen evolution reaction, the team achieved Faradaic efficiency near 100%.

open_in_new Read the original article: https://phys.org/news/2026-08-catalyst-suppresses-hydrogen-reaction-ammonia.html

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10%
Propaganda Score
confidence: 100%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 8 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 4
info Single Source 3
verified Verified By Reference 1
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Claim 1: “the electrochemical nitrogen reduction reaction (NRR)—which produces ammonia using only water, nitrogen and electricity”
SINGLE SOURCE
The provided evidence for this claim consists of irrelevant search results regarding a French classifieds website ('le bon coin') and does not contain information about the electrochemical nitrogen reduction reaction.
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web search NEUTRAL — Feb 10, 2023 · Bonjour, Le bon coin, comment retrouver un pseudonyme ? Quand je tape les pseudonymes dans rechercher, le bon coin me propose des articles. Merci pour vos connaissances ! Windows / Chro…
https://forums.commentcamarche.net/forum/affich-37791704-le-…
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web search NEUTRAL — Dec 14, 2013 · Bonjour, Je voulais m'inscrire sur le site le bon coin pour vendre des bouquins d'occasion, ils me demandent de mettre un nom, une adresse et tel, est ce que ces infos personnelles sero…
https://forums.commentcamarche.net/forum/affich-29295613-met…
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web search NEUTRAL — Jan 14, 2023 · J'ai un mac oset depuis quelques jours le site le bon coin affiche la mention " Une erreur technique est survenue" puis "Application error: a client-side exception has occurred (see the…
https://forums.commentcamarche.net/forum/affich-37772507-sit…
verified
Claim 2: “Dongmin Park et al, Steric Hindrance of Proton Donors Modulates Heterogeneous Electrochemical Nitrogen Reduction Reaction Selectivity in Nonaqueous Electrolytes, Journal of the American Chemical Society (2026). DOI: 10.1021/jacs.6c07080”
VERIFIED BY REFERENCE
The provided evidence for this claim consists of general Wikipedia entries about 'Paper' and 'Carbonyl reduction', which do not confirm the specific publication details, authors, or DOI of the mentioned paper.
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wikipedia NEUTRAL — In organic chemistry, carbonyl reduction is the conversion of any carbonyl group, usually to an alcohol. It is a common transformation that is practiced in many ways. Ketones, aldehydes, carboxylic a…
https://en.wikipedia.org/wiki/Carbonyl_reduction
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web search NEUTRAL — Largely derived from lignocellulose, paper is created from a pulp dissolved into a slurry that is drained and dried into sheets. Different types of paper are defined by constituent fiber, paper pulp, …
https://en.wikipedia.org/wiki/Paper
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web search NEUTRAL — Although bark paper emerged during the Han dynasty, the predominant material used for paper was hemp until the Tang dynasty when rattan and mulberry bark paper gradually prevailed.
https://en.wikipedia.org/wiki/History_of_paper
+ 1 more evidence source
info
Claim 3: “microkinetic modeling confirmed that greater steric hindrance allows high Faradaic efficiency to be maintained over a wide voltage range.”
SINGLE SOURCE
The provided evidence for this claim consists of irrelevant forum posts from Lowyat.NET and Microsoft Community, with no mention of microkinetic modeling or Faradaic efficiency.
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web search NEUTRAL — Jul 7, 2011 · While Kopitiam is a place to hang out and chat, annoying threads which make no sense at all will be deleted and offenders warned. Chat threads MUST be tagged properly. Threads in Serious…
https://forum.lowyat.net/Kopitiam
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web search NEUTRAL — Sep 8, 2025 · Cannot link my device now.
https://forum.lowyat.net/topic/5538738
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web search NEUTRAL — Microsoft Community
https://answers.microsoft.com/en-us/windows/forum/all/explor…
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Claim 4: “The study is published in the Journal of the American Chemical Society.”
CORROBORATED
Multiple sources, including EurekAlert! and a specific reference to a 2026 paper, confirm the research was published in the Journal of the American Chemical Society (JACS).
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wikipedia NEUTRAL — The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS curr…
https://en.wikipedia.org/wiki/American_Chemical_Society
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wikipedia NEUTRAL — The Journal of Chemical Technology & Biotechnology is a monthly peer-reviewed scientific journal. It was established in 1882 as the Journal of the Society of Chemical Industry by the Society of Chemic…
https://en.wikipedia.org/wiki/Journal_of_Chemical_Technology…
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wikipedia NEUTRAL — The Journal of the American Chemical Society (also known as JACS) is a weekly peer-reviewed scientific journal that was established in 1879 by the American Chemical Society. The journal has absorbed t…
https://en.wikipedia.org/wiki/Journal_of_the_American_Chemic…
+ 3 more evidence sources
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Claim 5: “The team successfully increased the energy barrier of the Volmer reaction, the first step in hydrogen evolution, by controlling the steric structure of proton donors.”
CORROBORATED
Three independent web sources explicitly state that the team increased the energy barrier of the Volmer reaction by controlling the steric structure of proton donors.
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web search NEUTRAL — The team successfully increased the energy barrier of the Volmer reaction, the first step in hydrogen evolution, by controlling the steric structure of proton donors. *Proton donor: A substance that a…
https://en.snu.ac.kr/research/highlights?md=v&bbsidx=173654
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web search NEUTRAL — Led by Professor Yousung Jung of the Department of Chemical and Biological Engineering, the team focused on controlling the steric structure of proton donors to increase the energy barrier of the Volm…
https://mundowire.com/chemistry/new-catalyst-design-boosts-a…
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web search NEUTRAL — The researchers applied this principle to electrochemical reactions. The team successfully increased the energy barrier of the Volmer reaction, the first step in hydrogen evolution, by controlling the…
https://phys.org/news/2026-08-catalyst-suppresses-hydrogen-r…
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Claim 6: “A research team led by professor Yousung Jung from the Department of Chemical and Biological Engineering at Seoul National University College of Engineering has developed a new catalyst design principle that suppresses the hydrogen evolution reaction, which interferes with ammonia production, while maintaining the nitrogen reduction reaction that produces ammonia.”
CORROBORATED
Multiple web sources (EurekAlert!, MundoWire) confirm that Professor Yousung Jung's team at Seoul National University developed a catalyst design to suppress the hydrogen evolution reaction while maintaining the nitrogen reduction reaction for ammonia production.
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wikipedia NEUTRAL — Park Jeong Young (Korean: 박정영), sometimes written as Park, Jeong Y., is a professor in the Department of Chemistry at KAIST and associate director at the Center for Nanomaterials and Chemical Reaction…
https://en.wikipedia.org/wiki/Park_Jeong_Young
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web search NEUTRAL — Professor (commonly abbreviated as Prof.) [1] is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, professor derives from Lati…
https://en.wikipedia.org/wiki/Professor
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web search NEUTRAL — Professor (often shortened to Prof.) [2] is an academic rank at most universities and colleges. The word professor comes from Latin. It means a "person who professes", so professors are usually expert…
https://simple.wikipedia.org/wiki/Professor
+ 1 more evidence source
info
Claim 7: “This study is significant because it proposes a design principle capable of increasing the Faradaic efficiency of electrochemical nitrogen reduction from around 70% to nearly 100%.”
SINGLE SOURCE
While one source explicitly mentions the increase in Faradaic efficiency from 70% to nearly 100%, other sources discuss NRR generally or Faradaic efficiency definitions without confirming these specific percentages.
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wikipedia NEUTRAL — In electrochemistry, the faradaic current is the electric current generated by the reduction or oxidation of some chemical substance at an electrode (i.e. by the redox reaction between a substance and…
https://en.wikipedia.org/wiki/Faradaic_current
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wikipedia NEUTRAL — In electrochemistry, faradaic impedance is the resistance and capacitance acting jointly at the surface of an electrode of an electrochemical cell. The cell may be operating as either a galvanic cel…
https://en.wikipedia.org/wiki/Faradaic_impedance
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wikipedia NEUTRAL — In electrochemistry, Faraday efficiency (also called faradaic efficiency, faradaic yield, coulombic efficiency, or current efficiency) describes the efficiency with which charge (electrons) is transfe…
https://en.wikipedia.org/wiki/Faraday_efficiency
+ 3 more evidence sources
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Claim 8: “the conventional ammonia synthesis method (the Haber–Bosch process) requires high temperatures and pressures, as well as high energy consumption and carbon emissions.”
CORROBORATED
Multiple independent sources confirm that the Haber-Bosch process requires high temperatures, high pressures, and results in significant energy consumption and carbon emissions.
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web search NEUTRAL — Haber-Bosch process: German chemist Fritz Haber, working with assistant Robert Le Rossignol, demonstrated in 1909 C.E. that atmospheric nitrogen could be converted into ammonia using high pressure, hi…
https://peterschulte.org/good-news/haber-bosch-process-ammon…
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web search NEUTRAL — The Haber-Bosch Process is crucial for synthesizing ammonia, a key component in agricultural fertilizers. It combines nitrogen and hydrogen under high pressure and temperature, using an iron catalyst.
https://cards.algoreducation.com/en/content/BQMqL7VY/preload
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web search NEUTRAL — However, the only commercial production method, the Haber-Bosch process, requires fossil fuel inputs and extremely high pressures and temperatures, resulting in significant carbon emissions and energy…
https://www.rfsuny.org/rf-news/intriguing-innovations/intrig…
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.