Experimental characterization of inhomogeneity in current density and temperature distribution along a single-channel PEM water electrolysis cell

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F18%3A43915858" target="_blank" >RIV/60461373:22310/18:43915858 - isvavai.cz</a>

Výsledek na webu

<a href="https://reader.elsevier.com/reader/sd/pii/S0013468617326476?token=198AF7CEF769B027E2006C7CD919D4A62B20831C6120585AB664311A14EA0EF2761C815C867DBEB8CC4BE5C2D499DA7F" target="_blank" >https://reader.elsevier.com/reader/sd/pii/S0013468617326476?token=198AF7CEF769B027E2006C7CD919D4A62B20831C6120585AB664311A14EA0EF2761C815C867DBEB8CC4BE5C2D499DA7F</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.electacta.2017.12.087" target="_blank" >10.1016/j.electacta.2017.12.087</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Experimental characterization of inhomogeneity in current density and temperature distribution along a single-channel PEM water electrolysis cell

Popis výsledku v původním jazyce

Within this contribution an experimental analysis of a 50 cm long single-channel polymer electrolyte membrane water electrolysis cell is presented. The current density and the temperature distribution along the channel coordinate is measured with a printed circuit board setup that enables a very fine resolution of 252 independent measurement segments. After first cell testings in a steady state mode, effects of changed amounts of feed water flux on the cell voltage, the distribution of current density and the temperature profile were investigated. Although the water feed did not significantly influence the current density distribution over a wide range of water fluxes, very low water fluxes lead to a massive drop in the current density in the rear part of the active area and a moderate increase at the inlet. This growing heterogeneity influenced the temperature distribution as well as the cell voltage. (C) 2017 Elsevier Ltd. All rights reserved.

Název v anglickém jazyce

Experimental characterization of inhomogeneity in current density and temperature distribution along a single-channel PEM water electrolysis cell

Popis výsledku anglicky

Within this contribution an experimental analysis of a 50 cm long single-channel polymer electrolyte membrane water electrolysis cell is presented. The current density and the temperature distribution along the channel coordinate is measured with a printed circuit board setup that enables a very fine resolution of 252 independent measurement segments. After first cell testings in a steady state mode, effects of changed amounts of feed water flux on the cell voltage, the distribution of current density and the temperature profile were investigated. Although the water feed did not significantly influence the current density distribution over a wide range of water fluxes, very low water fluxes lead to a massive drop in the current density in the rear part of the active area and a moderate increase at the inlet. This growing heterogeneity influenced the temperature distribution as well as the cell voltage. (C) 2017 Elsevier Ltd. All rights reserved.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Projekt

<a href="/cs/project/GC15-02407J" target="_blank" >GC15-02407J: Elektrolýza vody s protonově selektivním polymerním elektrolytem pro vysoce účinnou konverzi energie</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Electrochimica Acta

ISSN

0013-4686

e-ISSN

—

Svazek periodika

260

Číslo periodika v rámci svazku

2018

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

7

Strana od-do

582-588

Kód UT WoS článku

000419831600065

EID výsledku v databázi Scopus

2-s2.0-85038818866