Results 81 to 90 of about 4,245 (208)
CHIMIA, 2012 The level of Pt loadings in polymer electrolyte fuel cells (PEFC) is still one of the main hindrances for implementation of PEFCs into the market.
Bernhard Schwanitz +4 more
doaj +1 more source
PEFC sertifiointi Puutavaramaalaamo THT Oy:lle [PDF]
, 2020 Opinnäytetyön tarkoituksena oli saada PEFC puun alkuperän seurannan sertifikaatti yritykselle Puutavaramaalaamo THT Oy. Työssä piti selvittää sertifikaatin asettamia vaatimuksia ja tutkia standardia (PEFC ST 2002:2013).
Henttonen, Matias
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Lyhytvideosarja metsänomistajille PEFC-sertifioinnin kriteereistä [PDF]
Opinnäytetyön tarkoituksena oli lisätä metsänomistajille tietämystä PEFC-sertifioinnista lyhytvideoiden muodossa modernilla sekä kiinnostavalla tavalla. Opinnäytetyö toteutettiin toiminnallisena opinnäytetyönä.
Tiainen, Lenni-Nooa
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Measurement of Current-Density in PEFC With NMR Sensors
, 2011 In order to improve the power generation performance of polymer electrolyte fuel cells (PEFC), it is necessary to maintain high current density over the whole area of the membrane electrode assembly (MEA) that includes the additional Pt-carbon particles ...
Kuniyasu Ogawa +3 more
core +1 more source
Study on degradation of electrolyte membrane for PEFC [PDF]
, 2016 In the polymer electrolyte fuel cell (PEFC), the electrolyte membranes are chemically deteriorated by H2O2 which are reacted during operation. Also, the electrolyte membranes are suffered a cyclic stress caused by starting and shut-down operation ...
Takane, T., Ueno, F., Ueno, A.
core +1 more source
The anode in a PEFC reformate system
, 2004 Polymer electrolyte fuel cells (PEFC) constitute one ofseveral types of fuel cells that can be used to converthydrogen to electricity and heat. PEFC co-generation systemsbased on fossil fuels are on the edge of commercialisation.Biogas may be a future ...
Enbäck, Sofia,
core +5 more sources
Data in Brief, 2019 The data collected in this article is based on a performance test of a polymer electrolyte fuel cell (PEFC). The behavior the different parameters of a PEFC is analyzed considering different aspects relative to the inlet gases temperatures. The fuel cell
Mayken Espinoza-Andaluz +3 more
doaj +1 more source
Роль модельных лесов в совершенствовании лесной сертификации (PEFC) [PDF]
, 2019 В статье изложена роль модельных лесов в совершенствовании лесной сертификации (PEFC)
Зорин, Валентин Павлович +1 more
core +2 more sources
A New, Scalable and Low Cost Multi-Channel Monitoring System for Polymer Electrolyte Fuel Cells
Sensors, 2016 In this work a new, scalable and low cost multi-channel monitoring system for Polymer Electrolyte Fuel Cells (PEFCs) has been designed, constructed and experimentally validated.
Antonio José Calderón +4 more
doaj +1 more source
Forest Certification: Toward Common Standards? [PDF]
The forestry industry provides a good illustration of the active roles that industry associations, environmental nongovernmental organizations (NGOs), national governments, and international organizations can play in developing and promoting codes of ...
Fischer, Carolyn +3 more
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