GB/Z 27753-2011 Translated English of Chinese Standard. GB/Z27753-2011: Test method for adaptability to operating conditions of membrane electrode assembly used in PEM fuel cells
https://www.chinesestandard.net, 2020 M10 16 - 19 pages
This guiding technical document specifies the terms and definitions, boundary conditions, test environmental conditions, test preparation of the test method for typical car operating conditions of proton exchange membrane fuel cell (PEMFC) membrane electrode (MEA), test experiment and test report on adaptability of membrane electrode of proton exchange membrane fuel cell.
Annex A informative Test preparation
600mA/cm2 per cycle activated single cell active area loss adaptability test area loss rate back pressure maintenance Calculate the voltage catalyst cathode cell runs alternately cell temperature cell to determine circuit-idle cycle condition combined cycle condition condition the operating conditions are proposed current density current or voltage curve test results decrease in electrochemical density is 600mA/cm2 determine the polarization electrochemical active area exchange membrane fuel flow field plate gas excess factor GB/T guiding technical document hydrogen permeability hydrogen permeation increase idle condition idle-overloading cycle condition idle-rated cycle condition including humidification degree increase in hydrogen instruments and equipment loading rate maintenance constant value membrane fuel cell open circuit condition open circuit-idle cycle overload condition permeability every 8h permeation increase rate polarization curve test pressure maintenance constant proton exchange membrane rate and hydrogen rated condition set as power submitting party test conditions test gas test report test sample voltage decay rate voltage drop Wuhan