Results 121 to 130 of about 14,738 (306)

Scalable Sacrificial Templating to Increase Porosity and Platinum Utilisation in Graphene-Based Polymer Electrolyte Fuel Cell Electrodes. [PDF]

Nanomaterials (Basel), 2021
Suter TAM, Clancy AJ, Rubio Carrero N, Heitzmann M, Guetaz L, Shearing PR, Mattevi C, Gebel G, Howard CA, Shaffer MSP, McMillan PF, Brett DJL.   +11 more
europepmc   +1 more source

Enhancement of Proton Transport in an Oriented Polypeptide Thin Film [PDF]

, 2013
Proton transport properties of a partially protonated poly(aspartic acid)/sodium polyaspartate (P-Asp) were investigated. A remarkable enhancement of proton conductivity has been achieved in the thin film. Proton conductivity of 60-nm-thick thin film
Matsui, Jun, Miyashita, Tokuji, Yugami, Hiroo, Nagao, Yuki, Hiramatsu, Hirotsugu, Hitoshi Yamamoto, Tokuji Miyashita, Hirotsugu Hiramatsu, Hiroo Yugami, Yuki Nagao, Takashi Abe, Yamamoto, Hitoshi, Abe, Takashi, Noriko Sata, Sata, Noriko, Jun Matsui   +15 more
core   +1 more source

Recent Advances in Laser‐Induced Graphene‐Based Gas Sensors: From Sensing Mechanisms to Biomedical Applications

Advanced Science, EarlyView.
Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas, Ankan Dutta, Shuvendu Das, Abu Musa Abdullah, Wanqing Zhang, Fatema Tuz Zohra, Huanyu Cheng   +6 more
wiley   +1 more source

Liquid Water Visualization in the Pt‐Loading Cathode Catalyst Layers of Polymer Electrolyte Fuel Cells Using Operando Synchrotron X‐ray Radiography

Advanced Energy & Sustainability Research
Water management is important for addressing the challenges posed by next‐generation fuel cell electric vehicles. Although X‐ray imaging techniques are useful for probing the mechanism of water transport in the gas diffusion layer of polymer electrolyte ...
Wataru Yoshimune, Akihiko Kato, Tetsuichiro Hayakawa, Satoshi Yamaguchi, Satoru Kato   +4 more
doaj   +1 more source

H₂-CO₂ polymer electrolyte fuel cell that generates power while evolving CH₄ at the Pt_0.8Ru_0.2/C cathode. [PDF]

Sci Rep, 2021
Matsuda S, Niitsuma Y, Yoshida Y, Umeda M.   +3 more
europepmc   +1 more source

Fuel processor - PEM fuel cell systems for energy generation

, 2010
In the last few years, increasing attention has been paid to PEM fuel cells, as promising device for decentralized energy production, both in stationary and automotive field, thanks to high compactness, low weight (high power-to-weight ratio), high ...
Menna, Laura
core  

Modelagem da eletro-oxidação de etanol sobre catalisador PtSn/C aplicada a células a combustível de etanol direto do tipo membrana trocadora de prótons (DEPEMFC) [PDF]

, 2014
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2014Neste trabalho desenvolve-se a modelagem da reação eletroquímica de oxidação de etanol em células a ...
Piña, Renzo Fabricio Figueroa
core  

Atomic Defects in Layered Transition Metal Dichalcogenides for Sustainable Energy Storage and the Intelligent Trends in Data Analytics

Advanced Science, EarlyView.
This review comprehensively summarizes the atomic defects in TMDs for their applications in sustainable energy storage devices, along with the latest progress in ML methodologies for high‐throughput TEM data analysis, offering insights on how ML‐empowered microscopy facilitates bridging structure–property correlation and inspires knowledge for precise ...
Zheng Luo, Ying Yang, Zizhen Fu, Fengqi Liu, Susu Fang, Kele Xu, Shanshan Wang   +6 more
wiley   +1 more source

PEM fuel cells for the power supply of electronic appliances

, 2004
At the Fraunhofer Institute for Solar Energy Systems ISE we develop customized fuel cell systems based on hydrogen or methanol as fuel. This article describes some scientific approaches for the basic understanding of fuel cells we are taking in terms of ...
Hesselmann, Jan, Zobel, Marco, Hakenjos, Alexander, Schumacher, Jürgen, Pocza, David, Burger, Bruno, Münter, Harald, Hebling, Christopher, Zedda, Mario, Wittstatt, Ursula   +9 more
core   +1 more source

The Chalkboard: The Polymer Electrolyte Fuel Cell

The Electrochemical Society Interface, 2004
Fuel cells are electrochemical devices that convert the chemical energy of a fuel directly to electrical energy. They typically consist of an electrolyte medium sandwiched between two electrodes called the anode and cathode.
Vijay Ramani, H. Russell Kunz, James M. Fenton   +2 more
openaire   +1 more source