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The advances in micro-size and in-plane supercapacitors lead to produce the miniaturizing energy storage devices in portable and bendable electronics. Micro-supercapacitors have unique electrochemical performance, such as high power…

Applied Physics · Physics 2020-01-22 Katayoon Gholami laelabadi , Rostam Moradian , Iraj Manouchehri

The on-going COVID-19 pandemic highlights the severe health risks posed by deep submicron sized airborne viruses and particulates in the spread of infectious diseases. There is an urgent need for the development of efficient, durable and…

Materials Science · Physics 2021-04-15 James Malloy , Alberto Quintana , Christopher J. Jensen , Kai Liu

A model for impedance of a PEM fuel cell cathode catalyst layer under simultaneous application of potential and oxygen concentration perturbations is developed and solved. The resulting expression demonstrates dramatic lowering of the layer…

Chemical Physics · Physics 2023-10-16 Andrei Kulikovsky

Advanced supercapacitors have great potential to transform how we store and utilize energy, leading to more efficient and sustainable energy systems. This study reveals the structural features influencing the interfacial thermal transport…

Applied Physics · Physics 2024-02-20 Sobin Alosious , Shern R. Tee , Debra J. Searles

Superconducting RF is a key technology for future particle accelerators, now relying on advanced surfaces beyond bulk Nb for a leap in performance and efficiency. The SRF thin film strategy aims at transforming the current SRF technology by…

The development of high-energy and high-power density supercapacitors (SCs) is critical for enabling next-generation energy storage applications. Nanocarbons are excellent SC electrode materials due to their economic viability, high-surface…

Characterizing electrochemical energy conversion devices during operation is an important strategy for correlating device performance with the properties of cell materials under real operating conditions. While operando characterization has…

Applied Physics · Physics 2018-08-07 Jesse D. Benck , Daniel Rettenwander , Ariel Jackson , David Young , Yet-Ming Chiang

The development of novel electrolytes and electrodes for supercapacitors is hindered by a gap of several orders of magnitude between experimentally measured and theoretically predicted charging timescales. Here, we propose an electrode…

Chemical Physics · Physics 2020-02-26 Cheng Lian , Mathijs Janssen , Honglai Liu , René van Roij

The growing demand for efficient energy storage has driven the search for advanced anode materials for lithium- and sodium-ion batteries (LIBs and SIBs). In this context, we report the application of HOP-graphene (a 5-6-8-membered 2D carbon…

Clean hydrogen production through efficient and cost-effective electrochemical water splitting is highly promising to meeting future global energy demands. The design of Earth-abundant materials with both high activity for hydrogen…

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

The performance of hybrid superconducting electronic coolers is usually limited by the accumulation of hot quasi-particles in the superconducting leads. This issue is all the more stringent in large-scale and high-power devices, as required…

Mesoscale and Nanoscale Physics · Physics 2014-02-25 H. Q. Nguyen , T. Aref , V. J. Kauppila , M. Meschke , C. B. Winkelmann , H. Courtois , J. P. Pekola

Heat pipe is one of the most efficient tools for heat dissipation in electronics and power systems. Currently, heat pipes are usually made of copper, aluminum or stainless steel. Due to their relatively high density and limited heat…

Applied Physics · Physics 2020-02-27 Ya Liu , Shujing Chen , Yifeng Fu , Nan wang , Davide Mencarelli , Luca Pierantoni , Hongbin Lu , Johan Liu

Refractory nanophotonics, or nanophotonics at high temperatures, can revolutionize many applications, including data storage and waste heat recovery. In particular, nanophotonic devices made from hyperbolic materials are promising due to…

Optics · Physics 2020-01-16 Weilu Gao , Chloe F. Doiron , Xinwei Li , Junichiro Kono , Gururaj V. Naik

As silicon is approaching its theoretical limit for the anode materials in lithium battery, searching for a higher limit is indispensable. Herein, we demonstrate the possible of achieving ultrahigh capacity over 6500 mAh g-1 in…

Chemical Physics · Physics 2025-07-04 Shisheng Lin , Minhui Yang , Zhuang Zhao , Mingjia Zhi , Xiaokai Bai

NiO/ZnO-based thin films, including single-layer and heterostructure configurations, were synthesized to investigate the influence of stacking order on their electrochemical performance for supercapacitor applications. To improve the…

This article is withdrawn since it is published in a journal We report on the first reduction methodology, compatible with flexible, temperature sensitive substrates, for the production of reduced spin coated graphene oxide (GO) electrodes.…

Materials Science · Physics 2012-12-14 Emmanuel Kymakis , Kyriaki Savva , Minas M. Stylianakis , Costas Fotakis , Emmanuel Stratakis

Graded-index multimode fibers can handle high average powers and feature unique nonlinear dynamics due to spatio-temporal evolution of the light inside. We report on generation of octave-spanning spectrally flat supercontinua in…

Optics · Physics 2018-08-21 Uğur Teğin , Bülend Ortaç

A flexible technique is developed using hydrochloric acid to modify the redox reaction between potassium permanganate and sodium nitrite in order to grow ultrafine alpha-MnO2 nanorods, hydrothermally. The nanorods grown were 10-40 nm…

Materials Science · Physics 2018-09-11 Niraj Kumar , K. Guru Prasad , Arijit Sen , T. Maiyalagan

The fabrication of functional micro- and nano-electronic devices requires the deposition of high-quality materials of different electronic material classes, such as conductors, semiconductors and insulators. To establish…

Materials Science · Physics 2026-01-23 Mirco Nydegger , Rebecca A. Gallivan , Arthur Barras , Henning Galinski , Ralph Spolenak