Alkaline Anion Exchange Membrane Fuel Cells

20 Pages·2016·1.43 MB·English

Alkaline Anion Exchange Membrane Fuel Cells (AEM-FC) Status

Dario R. Dekel

Associate Professor

Wolfson Department of Chemical Engineering

Grand Technion Energy Program (GTEP)

Technion – Israel Institute of Technology

[email protected]
2016 Alkaline Membrane Fuel Cell Workshop

Sheraton Grand Phoenix

Phoenix, AZ – April 1, 2016
Early days in AEM-FC

51mm
78mm
153mm
4mg/cm2 PtRu, 4mg/cm2 Pt black, RH=100%, H / O  0.8V @80mA/cm2 (130mW/cm2)

2 2
Varcoe et al., Chem. Mater. 2007, 19, 2686-2693
Dario R. Dekel
Phoenix, Apr 1, 2016
Anion Exchange MAemEMbr-aFnCes F iune lt Cheel llsi t(eArEaMtu-FrCe
s) in the literature
AEM-FC – a blooming field. Most of the papers are focused
on development of anion conducting polymers for AEMs
1000
900
PEM

s 800
n
o 700
i
t 600
a
c
500
i
l
b
400
AEM
u
p 300

# 200
100
0
2000 2005 2010 2015 2020

Year
Dario R. Dekel
Phoenix, Apr 1, 2016
Web of Science @Feb 2016 PEM: TS=“proton exchange membrane(s)” AND “fuel cell(s)”
AEM: TS=“anion exchange membrane(s)” AND “fuel cell(s)”
Breaking conductivity barriers in AEMs

160
140
120

m
c
/
S 100
m

,
y
80
t
i
v
i
t
c
60
u
d
n
o 40
C
20
0
0 20 40 60 80 100
Temperature, °C
Dario R. Dekel
Phoenix, Apr 1, 2016
D. Dekel et al., to be submitted (2016)
Breaking conductivity barriers in AEMs

Conductivity vs. IEC (DABCO)
80
70
160 60
50
140
40

m
30
c 120
/ 20
S
m
100 10

y, 0
it 80 0 0.5 1 1.5 2 2.5 3
v
i Conductivity vs. IEC (imidazolium)
t
c
60
u
120
d
n
40
o 100
C
20 80
60
0
40
0 0.5 1 1.5 2 2.5 3 3.5
20
IEC, meq/gr
0
0 0.5 1 1.5 2 2.5 3 3.5
Dario R. Dekel
Phoenix, Apr 1, 2016
D. Dekel et al., to be submitted (2016)
AEM-FC tests in the literature – fuel diversity

# (accumulated) publications showing AEM-FC performance tests
Dario R. Dekel
Phoenix, Apr 1, 2016
D. Dekel et al., to be submitted (2016)
Performance of AEM-FCs: liquid fuels

AEM-DEFC
AEM-DMFC

Katzfuß et al. (2013) J. Membrane Sci., 425, 131

Ma et al. (2013) J. Power Sources, 241, 696

AEM-DHFC
AEM-DHFC
Dario R. Dekel
Phoenix, Apr 1, 2016
Sakamoto et al. (2013),
Serov et al., Angewandte Chemie
J. Power Sources, 234, 252

Intern. Ed., 53 (2014) 10336
Performance of AEM-FCs: carbonate/O oxidant

2
Carbonate AEM-FC*

 Cathode: O :CO 85:15
2 2
 Anode: H
2
H
2
H
2
*received from W. Mustain
Dario R. Dekel
Phoenix, Apr 1, 2016
W. Rigdon, T. Omasta, C. Lewis and W.E. Mustain, ECS Trans, 69(33) (2015) 1-9.
N. Spinner, W. Mustain, J. Electrochem. Soc., 160 (2013) F1275.
Performance of AEM-FCs: hydrogen fuel

0.4mg /cm2 Pt/C, RH =100%, H / O  0.8V @350mA/cm2 (PPD=460mW/cm2)

Pt cath 2 2
0.4mg /cm2 Pt/C, RH=100%, H / O  0.8V @420mA/cm2 (PPD=730mW/cm2)

Pt 2 2
Dario R. Dekel
Kaspar et al. (Yan); J. Electrochem. Soc. 162 (6) F483 (2015)
Phoenix, Apr 1, 2016
Performance of AEM-FCs: hydrogen fuel

0.4mg/cm2 PtRu, 0.4mg /cm2 Pt, RH=100%, H / O  0.8V @450mA/cm2 (PPD=1000mW/cm2)
Pt 2 2
0.4mg/cm2 PtRu, 0.4mg /cm2 PtRu, RH=100%, H / O  0.8V @550mA/cm2 (PPD=1200mW/cm2)
Pt 2 2
Dario R. Dekel
Phoenix, Apr 1, 2016
L. Zhuang, et al. Energy Environ. Sci. 2014, 7, 354; 2015, 8, 117