ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(15), P. 6821 - 6826
Published: July 29, 2024
Highly
reactive,
long-term
stable,
and
low-cost
non-noble
metal–nitrogen–carbon
(M–N–C)
catalysts
have
been
widely
considered
as
promising
for
the
oxygen
reduction
reaction
(ORR)
in
alkaline
anion
exchange
membrane
fuel
cells
(AEMFCs).
However,
slow
chemical
kinetics
poor
stability
of
these
remain
main
challenges
their
widespread
application.
Herein,
Mo2TiC2–NH4
supports
are
utilized
by
loading
metal
CoCu–N–C
ORR
catalyst
AEMFCs.
The
half-wave
potential
CoCu–N–C/Mo2TiC2–NH4
reaches
0.87
V
decreases
only
2
mV
after
10
000
cycles.
cell
peak
power
density
based
on
is
over
500
mW
cm–2.
Chemical Engineering & Technology,
Journal Year:
2024,
Volume and Issue:
47(11)
Published: Aug. 28, 2024
Abstract
The
innovation
of
high‐performance,
stable
electrocatalysts
for
clean
energy
systems
faces
significant
challenges.
Metal‐organic
frameworks
(MOFs),
with
their
porous
nature,
flexible
structures,
and
homogeneous
active
site
dispersion,
have
gained
interest
as
unique
precursors
carbon‐based
catalysts.
MOFs'
properties
significantly
enhance
catalytic
performance
in
fuel
cells.
This
review
highlights
recent
advancements
MOF
design
oxygen
electrocatalysis
cells,
while
also
discussing
perspectives
future
material
innovations
to
improve
activity
this
emerging
field.