Results 21 to 30 of about 603 (180)

On the Concentration Overpotential of PEFC with Micromachined Ti Current Collector

Journal of Thermal Science and Technology, 2010
Micromachined titanium thin film current collector, Ti-CC, that is developed in our previous work is used to investigate the concentration overpotential due to the liquid water filling in the through-holes of Ti-CC.
Kazuyoshi FUSHINOBU, Hironori SHIOZAKI, Ken OKAZAKI   +2 more
doaj   +1 more source

Analytical investigation on impact of presence of MPL on temperature distribution in single cell of PEFC under high temperature condition

Nihon Kikai Gakkai ronbunshu, 2020
Polymer Electrolyte Fuel Cell (PEFC) is desired to be operated over 90℃ during the period from 2020 to 2025 in Japan. The aim of this study is to clarify the impact of microporous layer (MPL) on the temperature profile of interface between polymer ...
Akira NISHIMURA, Kohei YAMAMOTO, Tatsuya OKADO, Masafumi HIROTA   +3 more
doaj   +1 more source

Experimental investigation on performance and water transfer in passive type PEFC

Nihon Kikai Gakkai ronbunshu, 2017
A fuel cell with a simple structure and operating at nearly ambient temperature and pressure is suitable for low cost small-sized generator sets ranging from several to tens Watts for home, outdoor and emergency use.
Eiji EJIRI, Daiki ISONO
doaj   +1 more source

Structural Effect of Cathode Catalyst Layer on the Performance of PEFC

Journal of Thermal Science and Technology, 2011
The structure of cathode catalyst layer (CCL) has strong relationship with the performance of polymer electrolyte fuel cells (PEFCs). We investigated the relationship between the catalyst layer structure and the cell performance experimentally.
Hidetoshi MATSUDA, Kazuyoshi FUSHINOBU, Atsushi OHMA, Ken OKAZAKI   +3 more
doaj   +1 more source

Digitization and traceability: main results of the Living Lab on the wood-energy supply chain in Italy

Forest@, 2021
Italy is the first importer of wood-energy biomass worldwide, with tons of timber illegally imported every year and significant negative socio-economic and environmental consequences.
Ciliberti S, Brunori A, Mariano E, Frascarelli A   +3 more
doaj   +1 more source

Experimental Study on a Compact Methanol Steam Reformer with Pd/Ag Membrane

Journal of Thermal Science and Technology, 2012
The performance of high purity hydrogen production from methanol for a compact steam reformer with a hydrogen purification membrane was investigated experimentally.
Hasan Mohd FAIZAL, Masato KUWABARA, Ryo KIZU, Takeshi YOKOMORI, Toshihisa UEDA   +4 more
doaj   +1 more source

Visualization of dynamic behavior of liquid water in the microporous layer of polymer electrolyte fuel cell during water injection by time-resolved X-ray computed tomography

Electrochemistry Communications, 2021
Liquid water behavior in the microporous layer (MPL) of a polymer electrolyte fuel cell (PEFC) was investigated using time-resolved X-ray computed micro-tomography (CT) to elucidate the unsteady flow during flooding.
Satoshi Yamaguchi, Satoru Kato, Akihiko Kato, Yoriko Matsuoka, Yasutaka Nagai, Takahisa Suzuki   +5 more
doaj   +1 more source

PEF Priming of Seeds for Microgreen Production: A Comparative Study

Applied Sciences
Seed priming with Pulsed Electric Fields (PEF) is a promising strategy to enhance early plant development and crop quality. This study evaluated PEF priming effects on Beetroot (Beta vulgaris L.), Arugula (Eruca vesicaria), and Basil (Ocimum basilicum L.)
Mafalda Aguiar-Macedo, Yuliya Dulyanska, Raquel P. F. Guiné, Daniela V. T. A. Costa, Luís M. Redondo   +4 more
doaj   +1 more source

The Potential Effect on the Performance of CrN/Cr-Coated SS316L Bipolar Plates and Their Durability in Simulated Cathodic HT-PEFC Environments

Energies, 2023
This study further investigates the effect of potential on the corrosion resistance, the self-healing performance and the durability of CrN/Cr-coated SS316L bipolar plates with artificial defects (CR-316) in simulated cathodic HT-PEFC environments by ...
Ruiyu Li, Yun Cai, Yilin Liu, Ziqi Xie, Klaus Wippermann, Werner Lehnert   +5 more
doaj   +1 more source

Forest certification as a tool to support sustainable development in forest management

Journal of Forest Science, 2015
The concept of sustainable development is currently known and used in many contexts across a wide range of industries. Nevertheless, specific approaches to achieving the strategy of sustainability can be found in the individual sectors. The beginnings of
A. Mikulková, M. Hájek, M. Štěpánková, M. Ševčík   +3 more
doaj   +1 more source