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    Role of Ferrous Raw Materials in the Energy Efficiency of ...

    mostly on virgin iron ores as a source of iron. The iron ores are agglomerated via sintering or pelletizing processes. Pel-letizing is more energy efficient than sintering, however the sinter plant performs the important function of recycling materials within the steelplant and thereby improving the material efficiency.

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    Efficient approach to iron/nitrogen co-doped

    Efficient approach to iron/nitrogen co-doped graphene materials as efficient electrochemical catalysts for the oxygen reduction reaction† Qingqing Dong , ‡ ab Xiaodong Zhuang , ‡ b Zhi Li ,* a Bin Li ,* a Bin Fang , a Cunzhong Yang , a Haifen

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    Efficient bio-electroreduction of CO2 to formate on a

    2020-4-1  Therefore, FePc-CDC combinedly can be an efficient electrode material in MES, as it possesses almost all the prerequisite features to be an efficient electrode. To this end, very limited studies have been performed on the synthesis of formate from CO 2 in an MES and the method is yet to be fully studied [27,31,32].

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    Mesoporous cobalt‑iron based materials as highly

    2020-9-15  Mesoporous cobalt‑iron based materials as highly efficient electrocatalysts for oxygen evolution reaction. Author links open overlay panel Donggang Guo a Hongzhi Kang a Zewei Hao b Yang Yang b Pengkun Wei b Quanxi Zhang a Lu Liu b. ... Materials and reagents. Iron nitrate nonahydrate (Fe(NO 3) 3 9H 2 O), ...

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    Highly Efficient Sodium Storage in Iron Oxide

    A smart design of ordered nanotube arrays of iron oxide (Fe 2 O 3) is presented as efficient sodium anode, simply enabled by surface sulfurization. The resulted

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    Highly Efficient Sodium Storage in Iron Oxide

    A smart design of ordered nanotube arrays of iron oxide (Fe 2 O 3) is presented as efficient sodium anode, simply enabled by surface sulfurization. The resulted

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    Unveiling the Activity Origin of Iron Nitride as

    Developing efficient catalytic materials and unveiling the active species are significant for selective hydrogenation of CO 2 to C 2+ hydrocarbons. Fe 2 [email protected] nanoparticles were

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    Unveiling the Activity Origin of Iron Nitride as

    Abstract. Fe 2 [email protected] core–shell nanoparticles were highly efficient for the thermal catalytic hydrogenation of CO 2 with excellent C 2+ selectivity of 53.96±1.33 % and outstanding lower olefins (C 2 ‐C 4=) selectivity of 31.03±1.05 %. Our results revealed the in situ restructuring of Fe 2 N into iron carbides via a carbonyl iron‐mediated ...

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    Bi‐Functional Iron‐Only Electrodes for Efficient Water ...

    This mixed iron(0)–iron(III) oxide surface structure of the electrodeposited Fe film seems to act as a protection layer to the bulk α‐Fe phase, as the material is stably stored in ambient air over many months. For comparison, a commercial iron

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    Unveiling the Activity Origin of Iron Nitride as Catalytic ...

    2020-11-18  Unveiling the Activity Origin of Iron Nitride as Catalytic Material for Efficient Hydrogenation of CO2 to C2+ Hydrocarbons Angewandte Chemie International Edition ( IF 12.257) Pub Date : 2020-11-18, DOI: 10.1002/anie.202015017

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    Silicon and Iron as Resource-Efficient Anode Materials

    Metal-air batteries provide a most promising battery technology given their outstanding potential energy densities, which are desirable for both stationary and mobile applications in a “beyond lithium-ion” battery market. Silicon- and iron-air batteries underwent less research and development compared to lithium- and zinc-air batteries.

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    Iron-Doped Nickel Oxide Nanocrystals as Highly

    2019-5-25  Efficient electrochemical water splitting to hydrogen and oxygen is considered a promising technology to overcome our dependency on fossil fuels. Searching for novel catalytic materials for electrochemical oxygen generation is essential for improving the total efficiency of water splitting processes. We report the synthesis, structural characterization, and electrochemical performance in

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    A Tunable Amorphous Heteronuclear Iron and Cobalt ...

    A Tunable Amorphous Heteronuclear Iron and Cobalt Imidazolate Framework Analogue for Efficient Oxygen Evolution Reactions Qingyun Zhao Key Laboratory of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 53 Zhengzhou road, Qingdao, 266042 People's Republic of China

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    More efficient grinding for Iron Range industries ...

    2020-6-3  But there’s a better and more efficient way that NRRI is helping to introduce to Minnesota’s Iron Range – High Pressure Grinding Rolls (HPGR). Working with industry leader Weir Minerals, NRRI acquired an industrial-scale Enduron® HPGR to do testing on a variety of ores with this more efficient

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    Iron(III) Porphyrin‐Based Porous Material as Photocatalyst ...

    2018-1-18  Iron(III) Porphyrin-Based Porous Material as Photocatalyst for Highly Effi cient and Selective Degradation of Congo Red Zhenyu Xiao Y , an Zhou , Xuelian Xin , Qinhui Zhang , Liangliang Zhang , Rongming Wang , Daofeng Sun* A highly effi cient ...

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    N-doped carbon nanotubes containing a high

    2018-1-12  N-doped carbon nanotubes containing a high concentration of single iron atoms for efficient oxygen reduction ... The images or other third party material in this article are included in the ...

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    Migration-Prevention Strategy to Fabricate Single

    It is highly desired but challenging to achieve highly active single-atom Fe sites from iron-based metal-organic frameworks (MOFs) for efficient oxygen reduction reaction (ORR) due to the easy aggregation of iron species and formation of the inactive Fe-based particles during pyrolysis. Herein, a facile migration-prevention strategy is developed involving the incorporation of polyaniline (PANI ...

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    Ultrathin Amorphous Iron–Nickel Boride Nanosheets

    A cost‐effective and efficient electrocatalyst for the oxygen evolution reaction during the electrolysis of water is highly desired. In an effort to develop an economical material for replacing precious‐metal‐based catalysts, a novel and self‐standing amorphous ultrathin nanosheet (NS) of bimetallic iron–nickel boride (Fe‐Ni‐B NSs) on Ni foam is presented, which displays a better ...

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    Which is the Most Efficient Way to Make Solar Fuels

    More recently however, there has been a great deal of research focused on using a redox material like ceria or iron oxide in solar methane reforming, instead of the metal alloy. But which is the more efficient solar process? A recent study has sought to compare the reference case of solar reforming of methane with a metal alloy, with the solar ...

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    A highly-efficient oxygen evolution electrode based on ...

    Exploring efficient and cost-effective electrocatalysts for oxygen evolution reaction (OER) is critical to water splitting. While nickel-iron layered double hydroxide (NiFe LDH) has been long recognized as a promising non-precious electrocatalyst for OER, its intrinsic activity needs further improvement. Herein, we design a highly-efficient oxygen evolution electrode based on defective NiFe ...

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    Scientists develop low-cost energy-efficient materials

    To solve this problem, the international team of scientists engaged in the development of amorphous soft magnetic alloys in low-cost alloy systems such as Fe-Si-B-Nb-Cu (iron-silicon-boron-niobium ...

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    A Tunable Amorphous Heteronuclear Iron and Cobalt ...

    A Tunable Amorphous Heteronuclear Iron and Cobalt Imidazolate Framework Analogue for Efficient Oxygen Evolution Reactions Qingyun Zhao Key Laboratory of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 53 Zhengzhou road, Qingdao, 266042 People's Republic of China

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    Are Iron Doors Energy Efficient? - Iron Doors Plus, Inc.

    March 4, 2019. March 1, 2019 by Iron Doors. It doesn’t matter where you live, you want anything new installed in your home to be energy efficient. If you install a new iron front door, you don’t want it leaking precious hot or cold air. Unfortunately, the second law of thermodynamics says that hot things will get cold and iron is an ...

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    Mesoporous nickel–iron binary oxide nanorods for

    The design and fabrication of low-cost, high-efficiency, and stable oxygen-evolving catalysts are essential for promoting the overall efficiency of water electrolysis. In this study, mesoporous Ni1–x Fe x O y (0 ≤ x ≤ 1, 1 ≤ y ≤ 1.5) nanorods were synthesized by the facile thermal decomposition of Ni–Fe-based coordination polymers. These polymers passed their nanorod-like ...

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    (PDF) Ferric tannate photothermal material for

    Ferric tannate photothermal material for efficient. water distillation ... Acid Interaction with Metallic Iron, Hyperfine Interact., 2001, 134, 109 ...

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    Meso/macroporous nitrogen-doped carbon

    Meso-/macroporous nitrogen-doped carbon architectures with iron carbide encapsulated in graphitic layers are fabricated by a facile approach. This efficient and robust material exhibits superior catalytic performance toward the oxygen reduction reaction in both acidic and alkaline solutions and is the most promising alternative to a Pt catalyst for use in electrochemical energy devices.

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    Ultrathin Amorphous Iron–Nickel Boride Nanosheets

    A cost‐effective and efficient electrocatalyst for the oxygen evolution reaction during the electrolysis of water is highly desired. In an effort to develop an economical material for replacing precious‐metal‐based catalysts, a novel and self‐standing amorphous ultrathin nanosheet (NS) of bimetallic iron–nickel boride (Fe‐Ni‐B NSs) on Ni foam is presented, which displays a better ...

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    Efficient Direct Recycling of Lithium-Ion Battery

    A paradigm-shift lithium-ion battery recycling method based on defect-targeted healing can fully recover the composition, structure, and electrochemical performance of spent LiFePO4 cathodes with various degradation conditions to the same levels as that of the pristine materials. Such a direct recycling approach can significantly reduce energy usage and greenhouse gas emissions, leading to ...

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    Energy-Efficient Radiator Cover : 10 Steps (with

    Energy-Efficient Radiator Cover: Originally, I wanted to build a radiator cover that would protect my daughters from our cast-iron, steam radiators. Steam radiators get much hotter than hot water radiators, and I was concerned that they would get burned. As I researched different d

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    Four causes - Wikipedia

    2021-2-23  Agent (the efficient or moving cause of a change or movement): consists of things apart from the thing being changed or moved, which interact so as to be an agency of the change or movement. For example, the efficient cause of a table is a carpenter, or a person working as one, and according to Aristotle the efficient cause of a boy is a father.

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