Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(15)
Published: March 10, 2024
Abstract
Electrochemical
water
splitting
plays
a
vital
role
in
facilitating
the
transition
towards
sustainable
energy
future
by
enabling
renewable
hydrogen
(H
2
)
production,
storage,
and
emission‐free
transportation.
Developing
earth‐abundant
electrocatalysts
with
outstanding
overall
water‐splitting
performance,
excellent
catalytic
activity,
robust
long‐term
stability
is
highly
important
practical
application
of
electrolysis.
Self‐supported
have
emerged
as
most
appealing
candidate
for
H
production
due
to
their
increased
active
site
loading,
rapid
mass
charge
transfer,
strong
interaction
underneath
conducting
support.
Additionally,
these
also
provide
enhanced
reaction
kinetics
stability.
Here,
comprehensive
review
recent
progress
developing
self‐supported
Fe‐based
selective
oxidation
reactions
presented
examples
oxyhydroxides,
layered
double
hydroxides,
oxides,
chalcogenides,
phosphides,
nitrides,
other
Fe‐containing
electrocatalysts.
A
historical
development
synthesis
provided,
an
emphasis
on
various
deposition
methods
choice
substrates
considering
large‐scale
commercial
applications.
An
overview
mechanistic
understanding
approaches
are
presented.
Finally,
challenges
opportunities
associated
applications
alternative
discussed.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(44)
Published: Aug. 22, 2023
Developing
non-precious
catalysts
with
long-term
catalytic
durability
and
structural
stability
under
industrial
conditions
is
the
key
to
practical
alkaline
anion
exchange
membrane
(AEM)
water
electrolysis.
Here,
an
energy-saving
approach
proposed
synthesize
defect-rich
iron
nickel
oxyhydroxide
for
efficiency
toward
oxygen
evolution
reaction.
Benefiting
from
in
situ
cation
exchange,
nanosheet-nanoflake-structured
catalyst
homogeneously
embedded
in,
tightly
bonded
to,
its
substrate,
making
it
ultrastable
at
high
current
densities.
Experimental
theoretical
calculation
results
reveal
that
introduction
of
Ni
FeOOH
reduces
activation
energy
barrier
reaction
purposely
created
defects
not
only
ensure
exposure
active
sites
maximize
effective
surface
but
also
modulate
local
coordination
environment
chemisorption
properties
both
Fe
sites,
thus
lowering
*O
*OOH.
Consequently,
optimized
d-(Fe,Ni)OOH
exhibits
outstanding
activity
laboratory
conditions.
The
large-area
d-(Fe,Ni)OOH||NiMoN
pair
requires
1.795
V
reach
a
density
500
mA
cm-2
absolute
12.5
A
AEM
electrolyzer
overall
electrolysis,
showing
great
potential
RSC Applied Interfaces,
Journal Year:
2023,
Volume and Issue:
1(1), P. 43 - 69
Published: Sept. 27, 2023
Semiconductor
heterojunctions
are
pivotal
in
determining
the
overall
photocatalytic
efficiency.
This
review
explores
recent
advances
diverse
heterojunction
types,
charge
transfer
mechanisms
and
materials.
eScience,
Journal Year:
2022,
Volume and Issue:
2(4), P. 428 - 437
Published: July 1, 2022
Solar-driven
CO2
conversion
to
chemical
fuels
in
an
aqueous
solution
is
restricted
not
only
by
photocatalysts
but
also
mass
transfer.
Here,
a
regulatable
three-phase
interface
on
porous
fixed-bed
constructed
for
efficient
C–C
coupling
photocatalytic
reduction.
The
results
show
that
∼90%
selectivity
towards
C2+
products
obtained
Cu/Cd0.5Zn0.5S
photocatalyst,
with
yield
of
6.54
μmol/h
(an
irradiation
area
0.785
cm2),
while
0.94
19.625
cm2)
achieved
commonly
used
suspension
reactor.
We
find
under
the
same
feed
rate,
local
concentration
this
photoreactor
obviously
higher
than
photoreactor.
larger
coverage
derived
from
supply
and
aggregation
enhances
coupling,
thereby
generating
more
C2+.
Even
observable
can
be
regulated
adjusting
supply,
which
optimal
gas
inlet
rate
5–10
sccm.
