Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 15, 2024
Abstract
Efficient
and
robust
electrocatalysts
play
a
central
role
in
clean
energy
conversion,
enabling
number
of
sustainable
processes
for
future
technologies.
The
traditional
explorations
electrocatalyst
relying
on
the
trial‐and‐error
approaches
are
definitely
tedious
inefficient.
Theoretical
progresses
reactive
thermodynamics
kinetics
recent
years
have
initiated
powerful
theory‐guided
design
strategy
electrocatalysts.
Herein,
this
review
first
summarizes
principles
activity
stability,
presenting
thermodynamics,
kinetics,
synergistic
thermokinetic
correlation
electrocatalytic
reaction.
Second,
screening
criterion,
reasonable
design,
mechanistic
understanding,
performance
evaluation
typical
as
divided
into
oriented‐,
oriented‐designs
discussed.
necessity
correlating
rational
mechanism
clarification
is
highlighted.
Finally,
conclusions
perspectives
development
highly
efficient
proposed.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(22), P. 22227 - 22239
Published: Nov. 15, 2023
Green
hydrogen
production
from
renewably
powered
water
electrolysis
is
considered
as
an
ideal
approach
to
decarbonizing
the
energy
and
industry
sectors.
Given
high-cost
supply
of
ultra-high-purity
water,
well
mismatched
distribution
sources
renewable
energies,
combining
seawater
with
coastal
solar/offshore
wind
power
attracting
increasing
interest
for
large-scale
green
production.
However,
various
impurities
in
lead
corrosive
toxic
halides,
hydroxide
precipitation,
physical
blocking,
which
will
significantly
degrade
catalysts,
electrodes,
membranes,
thus
shortening
stable
service
life
electrolyzers.
To
accelerate
development
electrolysis,
it
crucial
widen
working
potential
gap
between
oxygen
evolution
chlorine
reactions
develop
flexible
highly
efficient
purification
technologies.
In
this
review,
we
comprehensively
discuss
present
challenges,
research
efforts,
design
principles
direct/indirect
aspects
materials
engineering
system
innovation.
Further
opportunities
developing
advanced
integrated
electrolyzers
are
highlighted
both
low-grade
sources.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(25)
Published: Feb. 10, 2024
Abstract
The
chloride
ions
in
seawater
result
corrosion,
low
catalytic
efficiency,
and
poor
stability
of
the
electrocatalysts
direct
electrolysis,
which
limits
use
large‐scale
electrolysis
technology.
Herein,
a
corrosion‐resistant
Ag/NiFeRu
layered
double
hydroxide
(LDH)
electrocatalyst
for
at
industrial
current
density,
Ru
Ag
species
catalyst
can
have
corrosion‐resistance
from
anode
surface
enhance
its
robustness
is
designed.
requires
overpotentials
256
287
mV
to
obtain
density
1
A
cm
−2
m
KOH
+
seawater,
respectively.
More
importantly,
it
works
stably
over
1000
h
alkaline
seawater.
Further
quasi‐industrial
conditions
measurement
(6
60
°C)
shows
markedly
overpotential
174
on
LDH,
obtaining
140
under
harsh
conditions.
Theoretical
calculations
demonstrate
that
effectively
regulate
local
electronic
structure
NiFe
intrinsic
activity
LDH.
transformation
2
O
during
OER
stabilizes
Fe
site
improves
overall
electrocatalyst.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
12(2), P. 634 - 656
Published: Dec. 2, 2023
This
review
summarizes
advances
in
bifunctional
electrocatalysts
and
electrolyzers
for
seawater
splitting,
including
various
catalysts
(
e.g.
,
phosphides,
chalcogenides,
borides,
nitrides,
(oxy)hydroxides)
membrane-based/membrane-less
systems.
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(81), P. 12144 - 12147
Published: Jan. 1, 2023
Herein,
two-dimensional
cobalt-doped
MnPSe3
nanosheets
(CMPS)
were
constructed,
which
served
as
an
outstanding
bifunctional
catalyst
for
alkaline
seawater
splitting,
i.e.,
offering
the
current
density
of
10
mA
cm-2
with
applied
overpotentials
59
and
300
mV
hydrogen
evolution
reaction
(HER)
oxygen
(OER),
respectively.
The
assembled
two-electrode
system
CMPS//CMPS
also
demonstrated
excellent
catalytic
activity
(10
cm-2,
1.59
V)
can
remain
stable
more
than
100
h.
Moreover,
theoretical
calculations
showed
that
CMPS
features
a
suitable
H*
adsorption
beneficial
HER,
well
lower
free
energy
barrier
favorable
OER.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(28)
Published: March 11, 2024
Abstract
Electrochemical
water
splitting
to
produce
green
hydrogen
offers
a
promising
technology
for
renewable
energy
conversion
and
storage,
as
well
realizing
carbon
neutrality.
The
efficiency,
stability,
cost
of
electrocatalysts
toward
evolution
reaction
(HER)
electrocatalytic
overall
(EOWS)
at
large
current
densities
are
essential
practical
application.
In
this
review,
the
key
factors
that
determine
catalytic
performance
summarized
from
angel
thermodynamic
kinetic
correlation.
corresponding
design
strategies
presented.
electronic
structure
density
active
sites
affect
adsorption/desorption
intermediates
considered
aspects,
while
charge
transfer
mass
transport
capabilities
closely
associated
with
electrode
resistance
intermediate
diffusion
assigned
effects.
Recent
development
bifunctional
integrated
EOWS
is
also
discussed
in
detail.
Finally,
perspective
direction
on
under
proposed.
This
comprehensive
overview
will
offer
profound
insights
guidance
continued
advancement
field.
Small,
Journal Year:
2024,
Volume and Issue:
20(26)
Published: Jan. 17, 2024
The
unique
properties
of
high
entropy
alloy
(HEA)
catalysts,
particularly
their
severe
lattice
distortion
and
the
synergistic
effect
multiple
components,
endow
them
with
exceptional
multifunctional
catalytic
performance.
Herein,
it
is
revealed
for
first
time,
that
ultrasmall
PtRhNiFeCu
HEA
nanoparticles
catalyst
shows
outstanding
activity
both
hydrogen
evolution
reaction
(HER)
oxygen
reduction
(ORR).
exhibits
an
impressively
low
overpotential
13
mV
at
10
mA
cm