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A new nanofibrous material, consisting of a conductive carbon core and an external layer made of vanadium oxide, has been studied as a cathode for aluminium-ion batteries. The material enables a mixed-ion intercalation mechanism, resulting…

Applied Physics · Physics 2020-03-24 Nicolò Canever , Thomas Nann

Correlating the microstructure of an energy conversion device to its performance is often a complex exercise, notably in solid oxide fuel cell (SOFC) research. SOFCs combine multiple materials and interfaces that evolve in time due to high…

Harnessing natural evaporation offers a sustainable and untapped pathway for next-generation energy technologies. Here, we present a unified physical and experimental framework for evaporation-driven hydrovoltaic (EDHV) systems that…

Chemical Physics · Physics 2025-11-18 Tarique Anwar , Giulia Tagliabue

Technologies based on the use of hydrogen are promising for future energy requirements in a more sustainable world. Consequently, modelling fuel cells is crucial, for instance, to optimize their control to achieve excellent performance, to…

Systems and Control · Electrical Eng. & Systems 2024-10-18 Raphaël Gass , Zhongliang Li , Rachid Outbib , Samir Jemei , Daniel Hissel

Plasmonic Au-Pt core-shell heterojunctions were prepared as nanoemitters at pre-structured porous SiO2/Si interfaces. Silicon templates were obtained by oscillatory photocurrent cycles in fluoride containing solutions. Local formation of…

Materials Science · Physics 2012-03-20 M. Lublow , B. Bouabadi , S. Kubala

Alkaline water electrolysis is considered a commercially viable option for large-scale hydrogen production. However, this process still faces challenges due to the high voltage (>1.65 V at 10 mA cm$^{-2}$) and its limited stability at…

Photoelectrocatalytic (PEC) reduction of N2 to ammonia (NH3) is emerging as the potential alternative to overcome the standard Haber-Bosch approach. In this communication, solar N2 reduction was demonstrated with molybdenum carbide (Mo2C)…

Artificial semiconductor heterostructures played a pivotal role in modern electronic and photonic technologies, providing a highly effective mean for the manipulation and control of carriers, from the visible to the far-infrared. Despite…

Mesoscale and Nanoscale Physics · Physics 2018-05-01 Leonardo Viti , Miriam S. Vitiello

As programs to support efficient and sustainable energy sources are expanding, research into the potential applications of the hydrogen vector is accelerating. Proton exchange membrane fuel cells are electrochemical converters that…

The high recombination rate of photogenerated carriers is the bottleneck of photocatalysis, severely limiting the photocatalytic efficiency. Here, we develop a dipole-scheme (D-scheme for short) photocatalytic model and materials…

Materials Science · Physics 2022-07-13 Xu Gao , Yanqing Shen , Jiajia Liu , Lingling Lv , Min Zhou , Zhongxiang Zhou , Yuan Ping Feng , Lei Shen

Fuel cells offer an alternative to burning fossil fuels, but use platinum as a catalyst which is expensive and scarce. Cheap, alternative catalysts could enable fuel cells to become serious contenders in the green energy sector. One…

Organic heterojunction solar cells are analyzed within a minimal model that includes the essential physical features of such systems. The dynamical properties of this model, calculated using a master equation approach, account for the…

Materials Science · Physics 2011-11-11 Mario Einax , Marcel Dierl , Abraham Nitzan

Perovskite solar cells (PSCs) are attracting great attention as the most promising candidate for the next generation solar cells. This is due to their low cost and high power conversion efficiency in spite of their relatively short period…

Applied Physics · Physics 2018-11-05 Chol-Jun Yu

Methane (CH4) formation from photocatalytic carbon dioxide (CO2) conversion in water is currently of interest because methane is a fuel, and it can also be transformed into other useful hydrocarbons. However, achieving high selectivity to…

Materials Science · Physics 2025-03-21 Jacqueline Hidalgo-Jiménez , Taner Akbay , Xavier Sauvage , Tatsumi Ishihara , Kaveh Edalati

Lead-free chalcogenide perovskites are emerging as game-changers in the race for sustainable, high-performance photovoltaics. These materials offer a perfect trifecta: non-toxic elemental composition, exceptional phase stability, and…

Materials Science · Physics 2025-09-19 Surajit Adhikari , Priya Johari

The use of photoferroic materials that combine ferroelectric and light harvesting properties in a photovoltaic device is a promising route to significantly improve the efficiency of solar cells. These materials do not require the formation…

Materials Science · Physics 2020-03-04 Ivano E. Castelli , Thomas Olsen , Yunzhong Chen

Since the photoconversion efficiency $\eta$ of the silicon-based solar cells (SCs) under laboratory conditions is approaching the theoretical fundamental limit, further improvement of their performance requires theoretical modeling and/or…

Materials Science · Physics 2024-09-04 V. P. Kostylyov , A. V. Sachenko , M. Evstigneev , I. O. Sokolovskyi , A. I. Shkrebtii

Hybrid electric vehicles and portable electronic systems use supercapacitors for energy storage owing to their fast charging discharging rates, long life cycle, and low maintenance. Specific capacitance is regarded as one of the most…

Transition-metal-based layered double hydroxides (TM-LDHs) nanosheets are promising electrocatalysts in the renewable electrochemical energy conversion system, which are regarded as alternatives to noble metal-based materials. In this…

Applied Physics · Physics 2024-03-26 Yuchen Wang , Man Zhang , Yaoyu Liu , Zhikeng Zheng , Biying Liu , Meng Chen , Guoqing Guan , Kai Yan

Herein we firstly introduce a straightforward, scalable and technologically relevant strategy to manufacture charged porous polymer membranes (CPMs) in a controllable manner. The pore sizes and porous architectures of CPMs are…

Applied Physics · Physics 2019-01-16 Yue Shao , Zhiping Jiang , Yunjing Zhang , Tongzhou Wang , Peng Zhao , Zhe Zhang , Jiayin Yuan , Hong Wang