Catalyst

Catalyst HPEC-211 HPEC-151
Composition 60% Pt/C 60% Pt/C
Catalyst support Mesoporous carbon High surface carbon
ECSA (m2/gPt) 53-59 65-70
Mass activity (A/mgPt) ~0.2 0.2
Catalyst durability in MEA Cycles of 0.6-0.95V while voltage loss <30mV at 0.8 A/cm2 and ECSA loss < 40%
>100K >60K
Catalyst support durability in MEA Cycles of 1-1.5V while voltage loss < 30 mV at 1.5 A/cm2 and ECSA loss <40%
>1.5K ~1K
Features Highly active, High durability, Anti-poisoning Highly active

MEA for fuel cell vehicles

Version
Parameters Items 		HPM-H211R(N) (8/12 um) HPM-H151R(N) (8/12 um)
Cathode catalyst type HPEC-211 HPEC-151
Catalyst PGM loading (mg/cm2) 0.35 / 0.45 0.35 / 0.45
Performance in stacks (W/cm2) >1.5 >1.5
Catalyst durability in MEA Cycles of 0.6-0.95 V while voltage loss <30 mV at 0.8 A/cm2 and ECSA loss < 40%
>100K >60K
Catalyst support durability in MEA Cycles of 1.0-1.5 V while voltage loss <30 mV at 1.5 A/cm2 and ECSA loss < 40%
>1.5K ~1K
Product features High performance, High durability, Anti-poisoning High performance

* Above MEA with reversal tolerance function is optional

General features of fuel cell MEA

Items Parameters
Maximum operation T (°C) 95
Operation humudity (%) 0-100%
Cell reversal tolerance (Mins) >120 (As request)
Cell deviation in stacks (mV) <10
Max. demension of MEA frame 470mm*220mm
Range of active area in MEA 50~ 500cm2
Membrane thickness (Optional) 8um / 12um / 18um
Carbon paper thickness(Optional) 150~250um
Range of MEA thickness (active area) 0.335mm ~ 0.52mm

* Above information for 7-layers MEA only. Information for 3-Layered CCM provided per request

Air-cooled product list

Cathode catalyst HPEC-300
Composition 60% Pt/C
Catalyst support Mesoporous carbon
Half-cell ECSA (m2/gPt) 70-75
Mass activity (A/mg Pt) 0.2
Air-cooled MEA HPACM-H300R (N)
Total Pt loading (mg/cm2) 0.45
Performance in stacks (W/cm2) >0.6

Long-life high-performance PEMWE MEA product introduction
Product introduction of PEMWE MEA

HPCW-R930C
Anode catalyst/loading
Anode catalyst/loading		 IrO2 1.0 mgIr/cm2
Cathode catalyst/loading
Cathodic catalyst/loading		 Pt/C, 0.4 mgPt/cm2
H2-O2 recombination catalyst loading
Recombination catalyst loading		 0.08 mgPt/cm2
Membrane thickness
Membrane thickness		 80±5 μm
CCM total thickness
Catalyst coated membrane thickness		 110±10 μm
Hydrogen permeability
Hydrogen permeability		 <0.1% (3.5 MPa, 3 A/cm2)
Performance
Performance		 ~1.75 V@3A/cm2
Life expectancy
Life expectancy		 >60000 hours

APPLICATIONS OF FUEL CELL