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Superhydrophobic surfaces with multi-scale topographies offer exceptionally high apparent water contact angles and low contact angle hysteresis by virtue of the small liquid{\textendash}solid contact fractions they enable. Natural…

Applied Physics · Physics 2019-12-16 Soochan Chung , Kristyn Kadala , Hayden Taylor

This paper presents a unified optimization framework for phase change material (PCM) based cooling systems. Thermal management is critical in applications such as photovoltaic (PV) modules, battery packs, and power electronics, where…

Systems and Control · Electrical Eng. & Systems 2026-04-20 Asmaou S. Ouedraogo , Donald J. Docimo

Microparticles including paraffin are currently used for textiles coating in order to deaden thermal shocks. We will show that polymer nanoparticles embedded in those microsized capsules allow for decreasing the thermal conductivity of the…

Materials Science · Physics 2007-11-30 Po Chapuis , Sourabh Kumar Saha , S. Volz

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

Porous materials are relevant for a broad range of technologies from catalysis and filtration, to tissue engineering and lightweight structures. Controlling the porosity of these materials over multiple length scales often leads to enticing…

Soft Condensed Matter · Physics 2021-08-10 Nicole Kleger , Clara Minas , Patrick Bosshard , Iacopo Mattich , Kunal Masania , André R. Studart

Silicon anodes offer high energy densities for next-generation lithium-ion batteries; however, their application is limited by severe volume expansion during cycling. Making silicon porous or nanostructured mitigates this expansion but…

The development of thermal energy storage materials is the most attractive strategy to harvest the solar energy and increase the energy utilization efficiency. Phase change materials (PCMs) have received much attention in this research…

Applied Physics · Physics 2021-05-20 Guang-Zhong Yin , Jose Hobson , Yanyan Duan , De-Yi Wang

Nanostructured materials and nanocomposites have shown great promise for improving the efficiency of thermoelectric materials. Herein, Fe nanoparticles were imbedded into a CrN matrix by combining two physical vapor deposition approaches,…

Supercapacitors, based on the fast ion transportation, are specialized to provide high power, long stability, and efficient energy storage with highly porous electrode materials. However, their low energy density and specific capacitance…

Materials Science · Physics 2013-11-07 Hao Yang , Santhakumar Kannappan , Amaresh S. Pandian , Jae-Hyung Jang , Yun Sung Lee , Wu Lu

This work expands on our recently introduced low Mach enthalpy method [1] for simulating the melting and solidification of a phase change material (PCM) alongside (or without) an ambient gas phase. The method captures PCM's volume change…

Fluid Dynamics · Physics 2025-03-11 Ramakrishnan Thirumalaisamy , Amneet Pal Singh Bhalla

The ability to design and dynamically control chiroptical responses in solid-state matter at wafer scale enables new opportunities in various areas. Here we present a full stack of computer-aided designs and experimental implementations of…

Optics · Physics 2024-06-21 Jichao Fan , Ruiyang Chen , Minhan Lou , Haoyu Xie , Nina Hong , Yingheng Tang , Weilu Gao

Nanoporous media exhibit structures significantly smaller than the wavelengths of visible light and can thus act as photonic metamaterials. Their optical functionality is not determined by the properties of the base materials, but rather by…

Adding porosity to battery electrodes is believed to be universally useful for adding space to accommodate volumetric expansion, electrolyte access to all active materials, helping to mitigate poor C-rate performance for thicker electrodes…

Applied Physics · Physics 2020-08-26 Sally O'Hanlon , David McNulty , Ruiyuan Tian , Jonathan Coleman , Colm O'Dwyer

Structural hierarchy is found in myriad biological systems and has improved man-made structures ranging from the Eiffel tower to optical cavities. Hierarchical metamaterials utilize structure at multiple size scales to realize new and…

Hierarchical self-assembly arranges nanostructures at different length scales. It gradually becomes an effective method of fabricating artificial metamaterials from composite nanostructures tailored for a particular response. Hierarchical…

Nanoparticle-Enhanced Phase Change Materials (NePCM) have been a subject of intensive research owing to their potential for enhanced thermo-physical properties. However, their behavior during phase change processes, such as melting or…

Fluid Dynamics · Physics 2024-01-02 Yousef El Hasadi

Today's supercapacitor energy storages are typically discrete devices aimed for printed boards and power applications. The development of autonomous sensor networks and wearable electronics and the miniaturisation of mobile devices would…

Spatial confinement in nanoporous media affects the structure, thermodynamics and mobility of molecular soft matter often markedly. This article reviews thermodynamic equilibrium phenomena, such as physisorption, capillary condensation,…

Soft Condensed Matter · Physics 2015-02-17 Patrick Huber

Carbon nanomembranes (CNMs) are nanometer-thin disordered carbon materials that are suitable for a range of applications, from energy generation and storage, through to water filtration. The structure-property relationships of these…

Thermal diodes that enable directional heat transport are essential for advanced thermal management in microelectronics, energy systems, and thermal logic devices. However, existing designs based on phase-change materials, nanostructures,…

Applied Physics · Physics 2025-07-01 Qinyun Ding , Yuhao Wang , Guanqing Xiong , Wei Chen , Ying Chen , Zhaoguang Wang , Arup Neogi , Jaehyung Ju