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Renewable energy conversion and storage, and greenhouse gas emission-free technologies are within the primary tasks and challenges for the society. Hydrogen fuel, produced by alkaline water electrolysis is fulfilling all these demands,…

As demand for high-purity lithium surges with the growth of the electric vehicle (EV) industry, cost-effective extraction from lower-grade North American sources like the Smackover Formation is critical. These resources, unlike high-purity…

计算工程、金融与科学 · 计算机科学 2025-07-28 Shayan S. Mousavi Masouleh , Corey A. Sanz , Ryan P. Jansonius , Cara Cronin , Jason E. Hein , Jason Hattrick-Simpers

Due to their physical properties and potential applications in energy conversion and storage, transition metal dichalcogenides (TMDs) have garnered substantial interest in recent years. Amongst this class of materials, TMDs based on…

Magnesium hydride (MgH2) is the mostly used material for solid-state hydrogen storage. However, their slow kinetics and highly unfavorable thermodynamics make them unsuitable for the practical applications. The current study describes the…

材料科学 · 物理学 2023-07-25 S. K. Verma , S. S. Mishra , N. K. Mukhopadhyay , T. P. Yadav

Catalysts for oxygen reduction and evolution reactions are at the heart of key renewable energy technologies including fuel cells and water splitting. Despite tremendous efforts, developing oxygen electrode catalysts with high activity at…

材料科学 · 物理学 2011-08-12 Yongye Liang , Yanguang Li , Hailiang Wang , Jigang Zhou , Jian Wang , Tom Regier , Hongjie Dai

Based on first-principles calculations, we propose that a layered electride Mg2O can serve as an effective substrate, in place of metal substrate, to grow honeycomb borophene (h-borophene). We first confirm the thermodynamic stability of…

材料科学 · 物理学 2019-04-09 Xiaojuan Ni , Huaqing Huang , Kyung-Hwan Jin , Zhengfei Wang , Feng Liu

Transition metal oxides are state-of-the-art materials for catalysing the oxygen evolution reaction (OER), whose slow kinetics currently limit the efficiency of water electrolysis. However, microscale physicochemical heterogeneity between…

Bimetallic nanoparticles serve as a vital class of catalysts with tunable properties suitable for diverse catalytic reactions, yet a comprehensive understanding of their structural evolution under operational conditions as well as their…

材料科学 · 物理学 2025-02-04 Yaxin Tang , Mingao Hou , Qian He , Guangfu Luo

Water is a life-giving source, fundamental to human existence, yet, over a billion people lack access to clean drinking water. Present techniques for water treatment such as piped, treated water rely on time and resource intensive…

化学物理 · 物理学 2016-07-26 Venkatasubramanian Viswanathan , Heine A. Hansen , Jens K. Nørskov

Electrocatalysts for the oxygen evolution reaction (OER) are an important component for the transition from fossil to sustainable energy. Commercialization of cost-effective earth-abundant electrocatalysts is in large parts hindered by…

化学物理 · 物理学 2022-10-31 Marcel Risch

Many studies have shown that hydrogen could play a large role in the energy transition for hard-to-electrify sectors, but previous modelling has not included the necessary features to assess its role. They have either left out important…

物理与社会 · 物理学 2023-07-19 Elisabeth Zeyen , Marta Victoria , Tom Brown

MXenes are promising candidates for electrochemical applications due to their high conductivity, tunable surface chemistry, and catalytic potential. However, their use in bulk electrode form remains unexplored despite advantages such as…

Two-dimensional (2D) heterostructuring is a versatile methodology for designing nanoarchitecture catalytic systems that allow for reconstruction and modulation of interfaces and electronic structures. However, catalysts with such structures…

Metal-support interactions are frequently invoked to explain the enhanced catalytic activity of metal nanoparticles dispersed over reducible metal-oxide supports, yet the atomic scale mechanisms are rarely known. Here, we use scanning…

Electrocatalytic water splitting, which produces hydrogen and oxygen through water electrolysis, is a promising method for generating renewable, carbon-free alternative fuels. However, its widespread adoption is hindered by the high costs…

材料科学 · 物理学 2024-12-23 Kajjana Boonpalit , Nongnuch Artrith

Developing solid-state hydrogen storage materials is as pressing as ever, which requires a comprehensive understanding of the dehydrogenation chemistry of a solid-state hydride. Transition state search and kinetics calculations are…

材料科学 · 物理学 2024-04-30 Chaoqun Li , Weijie Yang , Hao Liu , Xinyuan Liu , Xiujing Xing , Zhengyang Gao , Shuai Dong , Hao Li

Sodium-ion batteries have gained much interest over the past years and especially layered oxides are highly considered as cathodes for the next generation of batteries. However, there are still significant challenges to overcome in these…

材料科学 · 物理学 2025-12-09 Konstantin Köster , Payam Kaghazchi

Two-dimensional transition metal carbides and nitrides (MXenes) have gained popularity in fields such as energy storage, catalysis, and electromagnetic interference due to their diverse elemental compositions and variable surface…

材料科学 · 物理学 2024-12-04 Ziqian Li , Ke Chen , Xudong Wang , Kan Luo , Lei Lei , Mian Li , Kun Liang , Degao Wang , Shiyu Du , Zhifang Chai , Qing Huang

This paper introduces the combination of an advanced double-layer model with electrochemical kinetics to explain electrolyte effects on the alkaline hydrogen evolution reaction. It is known from experimental studies that the alkaline…

化学物理 · 物理学 2024-06-04 Lucas B. T. de Kam , Thomas L. Maier , Katharina Krischer

The search for new phases is an important direction in materials science. The phase transition of sulfides results in significant changes in catalytic performance, such as MoS2 and WS2. Cubic pentlandite [cPn, (Fe, Ni)9S8] can be a…

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