Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 6, 2024
Abstract
The
urgent
need
for
efficient
oxygen
evolution
reaction
(OER)
catalysts
has
led
to
the
development
and
publication
of
many
heterostructured
catalysts.
application
such
with
multiple
phases
tremendously
increases
material
design
dimensions,
numerous
interface‐related
effects
can
tune
OER
performance.
In
this
regard,
these
electrodes
show
remarkable
activities.
However,
it
is
not
clear
if
carefully
designed
interfaces
remain
under
prolonged
conditions.
Herein,
a
molecular
approach
used
synthesize
four
different
nickel‐iron
phosphide
(heterostructured)
materials
deposit
them
on
fluorine‐doped
tin
oxide
nickel
foam
electrodes.
performance
eight
reconstruction
investigated
by
in‐situ
spectroscopy
after
one
day
operation,
enabled
freeze‐quench
approach.
most
active
electrode
also
applied
industrial
conditions
value‐added
oxidation
alcohols
ketones.
Before
catalysis,
comprises
crystalline
4
nm
particles
an
amorphous
iron
matrix.
24
h,
homogenous
oxyhydroxide
phase
formed.
This
work
questions
which
extent
heterostructures
suitable
strategy
non‐noble
metal
catalysis.
Abstract
Electrochemical
water
splitting
represents
a
promising
technology
for
green
hydrogen
production.
To
design
advanced
electrocatalysts,
it
is
crucial
to
identify
their
active
sites
and
interpret
the
relationship
between
structures
performance.
Materials
extensively
studied
as
electrocatalysts
include
noble‐metal‐based
(e.g.,
Ru,
Ir,
Pt)
non‐noble‐metal‐based
3d
transition
metals)
compounds.
Recently,
advancements
in
characterization
techniques
theoretical
calculations
have
revealed
novel
unusual
sites.
The
present
review
highlights
latest
achievements
discovery
identification
of
various
unconventional
electrochemical
splitting,
with
focus
on
state‐of‐the‐art
strategies
determining
true
establishing
structure–activity
relationships.
Furthermore,
we
discuss
remaining
challenges
future
perspectives
development
next‐generation
By
presenting
fresh
perspective
reaction
involved
this
aims
provide
valuable
guidance
study
industrial
applications.
image
Deleted Journal,
Год журнала:
2023,
Номер
2, С. e9120056 - e9120056
Опубликована: Фев. 25, 2023
Iridium
(Ir)-based
catalysts
are
highly
efficient
for
the
anodic
oxygen
evolution
reaction
(OER)
due
to
high
stability
and
anti-corrosion
ability
in
strong
acid
electrolyte.
Recently,
intensive
attention
has
been
directed
novel,
efficient,
low-cost
Ir-based
overcome
challenges
of
their
application
water
electrolysis
technique.
To
make
a
comprehensive
understanding
recently
developed
catalytic
properties,
mechanism
promotion
principles
were
discussed
OER
condition
aimed
proton
exchange
membrane
electrolyzer
(PEMWE)
this
review.
The
mechanisms
adsorbate
lattice
first
presented
easy
mechanism;
brief
perspective
analysis
from
aspects
geometric
effect,
electronic
synergistic
defect
engineering,
support
effect
was
concluded.
Then,
latest
progress
practical
introduced
detail,
which
classified
into
varied
composition
Ir
catalyst
terms
alloys,
hetero-element
doping,
perovskite,
pyrochlore,
heterostructure,
core–shell
structure,
supported
catalysts.
Finally,
problems
faced
by
current
acidic
electrolyte
put
forward.
It
is
concluded
that
with
low
loading
should
be
future,
paid
probing
structural
performance
correlation,
real
PEMWE
devices.Hopefully,
effort
can
helpful
catalysis
OER,
instructive
novel
design
fabrication.
Industrial Chemistry and Materials,
Год журнала:
2023,
Номер
1(3), С. 312 - 331
Опубликована: Янв. 1, 2023
This
review
discusses
the
OER
reaction
mechanism
(AEM
and
LOM)
research
progress
of
MnO
2
-based
catalysts.
The
optimization
strategy
catalysts
was
summarized.
Abstract
Electrochemical
transformation
processes
involving
carbon,
hydrogen,
oxygen,
nitrogen,
and
small‐molecule
chemistries
represent
a
promising
means
to
store
renewable
energy
sources
in
the
form
of
chemical
energy.
However,
their
widespread
deployment
is
hindered
by
lack
efficient,
selective,
durable,
affordable
electrocatalysts.
Recently,
grain
boundary
(GB)
engineering
as
one
category
defect
engineering,
has
emerged
viable
powerful
pathway
achieve
improved
electrocatalytic
performances.
This
review
presents
timely
comprehensive
overview
recent
advances
GB
for
efficient
electrocatalysis.
The
beneficial
effects
introducing
GBs
into
electrocatalysts
are
discussed,
followed
an
synthesis
characterization
GB‐enriched
Importantly,
latest
developments
leveraging
enhanced
electrocatalysis
thoroughly
examined,
focusing
on
electrochemical
utilization
cycles
nitrogen.
Future
research
directions
proposed
further
advance
understanding
application
image
ACS Applied Nano Materials,
Год журнала:
2023,
Номер
6(3), С. 1631 - 1647
Опубликована: Янв. 31, 2023
Increasing
energy
demand
to
find
everlasting
and
eco-friendly
resources
is
now
mainly
dependent
on
green
hydrogen
production
technology.
Water
electrolysis
has
been
regarded
as
a
clean
route
for
H2
with
zero
carbon
emission,
but
different
bottlenecks
in
the
development
of
electrodes
impeded
its
realization.
Recently,
transition
metal
oxides
(TMO)
have
gained
tremendous
attention
suitable
cathodes
anodes
due
their
sustainability
under
harsh
conditions,
high
redox
features,
maximum
supportive
capability,
easy
modulation
valence
states,
enhanced
electrical
conductivity.
In
this
review,
we
highlighted
role
active
supported
sites
electrochemical
water
splitting.
We
proposed
perspectives
rational
design
TMO-based
electrode
materials,
i.e.,
electronic
state
modulation,
modification
surface
structure
control
aerophobicity
hydrophilicity,
acceleration
charge
mass
transport,
stability
electrocatalyst
environments.
systemically
discussed
insights
into
relationship
among
catalytic
activity,
certain
specified
challenges,
research
directions,
electrocatalysis
OER
HER.
Journal of Materials Chemistry A,
Год журнала:
2023,
Номер
12(3), С. 1714 - 1724
Опубликована: Дек. 7, 2023
NiFeSe
4
/NiSe
2
-8
h
had
good
overall
water
splitting
performance.
The
heterostructure
of
the
prepared
promoted
redistribution
electrons
and
improved
conductivity
material.
