Nitrogen Fixation by Ru Single-Atom Electrocatalytic Reduction
Hengcong Tao,Changhyeok Choi,Liang-Xin Ding,Zheng Jiang,Zishan Han,Mingwen Jia,Qun Fan,Yunnan Gao,Haihui Wang,Alex W. Robertson,Song Hong,Yousung Jung,Shizhen Liu,Zhenyu Sun +13 more
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TLDR
In this paper, single Ru sites supported on N-doped porous carbon greatly promoted electroreduction of aqueous N2 selectively to NH3, affording an NH3 formation rate of 3.665 m g N H 3 h − 1 m g Ru − 1 at −0.21 V versus the reversible hydrogen electrode.About:
This article is published in Chem.The article was published on 2019-01-10 and is currently open access. It has received 661 citations till now. The article focuses on the topics: Reversible hydrogen electrode & Overpotential.read more
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Water flooding behavior in flow cells for ammonia production via electrocatalytic nitrogen reduction
TL;DR: In this paper , the effects of the nitrogen flow rate, applied current density, and membrane thickness on the water crossover flux and ammonia production rate are comprehensively studied in an electrochemical flow cell.
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电催化合成氨反应原位表征技术研究进展
TL;DR: In this article , the authors summarized the existing problems and challenges in combining multiple in-situ technologies and enhancing the spatial and temporal resolution of the characterization technologies for the nitrogen-water system, and proposed a new pathway to an alternate Haber-Bosch process using nitrogen gas and water as raw materials to realize the conversion of nitrogen to ammonia under ambient temperature and pressure.
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Catalyst design strategies for aqueous N2 electroreduction
TL;DR: In this paper, the main catalyst design strategies for effective electrocatalytic NH3 synthesis are summarized from HER inhibition and N2 activation aspects, and a summary of strategies and a brief outlook on future directions are given.
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High-density Fe single atoms anchored on 2D-Fe2C12 monolayer materials for N2 reduction to NH3 with high activity and selectivity
TL;DR: In this paper , the 2D-Fe2C12 monolayer with atomically dispersed Fe atoms on the same side, denoted as 1s-Fe 2C12, possessing high activity and selectivity toward NRR due to the cooperative interaction of two adjacent individual Fe active sites.
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Boosting Nitrogen Activation via Ag Nanoneedle Arrays for Efficient Ammonia Synthesis.
Wanru Liao,Kang Liu,Jun Wang,Andrei Stefancu,Qin Chen,Kuan-Chi Wu,Yajiao Zhou,Hongmei Li,Lin Mei,Mingzhu Li,Junwei Fu,Masahiro Miyauchi,E. Cortes,Min Liu +13 more
TL;DR: In this paper , local enhanced electric fields (LEEFs) by Ag nanoneedle arrays were used to promote N≡N fracture, thus assisting the electrocatalytic N2 reduction reaction.
References
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Efficient Visible Light Nitrogen Fixation with BiOBr Nanosheets of Oxygen Vacancies on the Exposed {001} Facets
TL;DR: It is demonstrated that efficient fixation of N2 to NH3 can proceed under room temperature and atmospheric pressure in water using visible light illuminated BiOBr nanosheets of oxygen vacancies in the absence of any organic scavengers and precious-metal cocatalysts.
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A theoretical evaluation of possible transition metal electro-catalysts for N2 reduction
Egill Skúlason,Egill Skúlason,Thomas Bligaard,Thomas Bligaard,Thomas Bligaard,Sigridur Gudmundsdottir,Felix Studt,Jan Rossmeisl,Frank Abild-Pedersen,Tejs Vegge,Hannes Jónsson,Hannes Jónsson,Jens K. Nørskov,Jens K. Nørskov +13 more
TL;DR: Density functional theory calculations were used in combination with the computational standard hydrogen electrode to calculate the free energy profile for the reduction of N(2) admolecules and N adatoms on several close-packed and stepped transition metal surfaces in contact with an acidic electrolyte.
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Ammonia synthesis from first-principles calculations.
Karoliina Honkala,Anders Hellman,Ioannis N. Remediakis,Ashildur Logadottir,Anna Carlsson,Søren Dahl,Claus H. Christensen,Jens K. Nørskov +7 more
TL;DR: The rate of ammonia synthesis over a nanoparticle ruthenium catalyst can be calculated directly on the basis of a quantum chemical treatment of the problem using density functional theory, and offers hope for computer-based methods in the search for catalysts.
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Electrochemical Reduction of N2 under Ambient Conditions for Artificial N2 Fixation and Renewable Energy Storage Using N2/NH3 Cycle
Di Bao,Di Bao,Qi Zhang,Fan-Lu Meng,Fan-Lu Meng,Hai-Xia Zhong,Miao-Miao Shi,Miao-Miao Shi,Yu Zhang,Jun-Min Yan,Qing Jiang,Xin-Bo Zhang +11 more
TL;DR: Using tetrahexahedral gold nanorods as a heterogeneous electrocatalyst, an electrocatalytic N2 reduction reaction was shown to be possible at room temperature and atmospheric pressure, with a high Faradic efficiency up to 4.02% at -0.2 V vs reversible hydrogen electrode.
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The Challenge of Electrochemical Ammonia Synthesis: A New Perspective on the Role of Nitrogen Scaling Relations.
Joseph Montoya,Charlie Tsai,Aleksandra Vojvodic,Aleksandra Vojvodic,Jens K. Nørskov,Jens K. Nørskov +5 more
TL;DR: In this work, insights from DFT calculations that describe limitations on the low-temperature electrocatalytic production of NH3 from N2 are presented and new strategies for catalyst design are proposed that may help guide the search for an electrocatalyst that can achieve selective N2 reduction.