Chemical Society Reviews,
Год журнала:
2024,
Номер
53(14), С. 7455 - 7488
Опубликована: Янв. 1, 2024
Seawater
electrolysis
for
the
production
of
fuels
and
chemicals
involved
in
onshore
offshore
plants
powered
by
renewable
energies
offers
a
promising
avenue
unique
advantages
energy
environmental
sustainability.
Nevertheless,
seawater
presents
long-term
challenges
issues,
such
as
complex
composition,
potential
side
reactions,
deposition
poisoning
microorganisms
metal
ions,
well
corrosion,
thus
hindering
rapid
development
technology.
This
review
focuses
on
value-added
(hydrogen
beyond)
fine
through
electrolysis,
step
towards
sustainable
carbon
neutrality.
The
principle
related
are
first
introduced,
redox
reaction
mechanisms
summarized.
Strategies
operating
anodes
cathodes
including
application
chloride-
impurity-resistant
electrocatalysts/membranes
reviewed.
We
comprehensively
summarize
(hydrogen,
monoxide,
sulfur,
ammonia,
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июнь 21, 2024
Abstract
Direct
hydrogen
production
from
inexhaustible
seawater
using
abundant
offshore
wind
power
offers
a
promising
pathway
for
achieving
sustainable
energy
industry
and
fuel
economy.
Various
direct
electrolysis
methods
have
been
demonstrated
to
be
effective
at
the
laboratory
scale.
However,
larger-scale
in
situ
demonstrations
that
are
completely
free
of
corrosion
side
reactions
fluctuating
oceans
lacking.
Here,
conditions
ocean
were
considered
first
time,
wave
motion
environment
was
achieved.
We
present
successful
scaling
floating
system
employed
Xinghua
Bay
integration
1.2
Nm
3
h
−1
-scale
pilot
system.
Stable
operation
achieved
over
240
with
an
electrolytic
consumption
5
kWh
−3
H
2
high
purity
(>99.9%)
under
(0~0.9
m
height,
0~15
s
speed),
which
is
comparable
during
onshore
water
electrolysis.
The
concentration
impurity
ions
electrolyte
low
stable
long
period
time
complex
changing
scenarios.
identified
technological
challenges
performances
key
components
examined
future
outlook
this
emerging
technology.
Advanced Materials,
Год журнала:
2024,
Номер
36(41)
Опубликована: Авг. 15, 2024
Abstract
Modulating
the
electronic
structure
of
catalysts
to
effectively
couple
hydrogen
evolution
reaction
(HER)
and
oxygen
(OER)
is
essential
for
developing
high‐efficiency
anion
exchange
membrane
water
electrolyzer
(AEMWE).
Herein,
a
coral‐like
nanoarray
composed
nanosheets
through
synergistic
layering
effect
cobalt
1D
guiding
vanadium
synthesized,
which
promotes
extensive
contact
between
active
sites
electrolyte.
The
HER
OER
activities
can
be
enhanced
by
modulating
nitridation
phosphorization,
respectively,
enhancing
strength
metal‐H
bond
optimize
adsorption
facilitating
proton
transfer
improve
transformation
oxygen‐containing
intermediates.
Resultantly,
AEMWE
achieves
current
density
500
mA
cm
–2
at
1.76
V
1000
h
in
1.0
M
KOH
70
°C.
energy
consumption
4.21
kWh
Nm
–3
with
producing
cost
$0.93
per
kg
H
2
.
Operando
synchrotron
radiation
Bode
phase
angle
analyses
reveal
that
during
high‐energy
consumed
OER,
dissolution
species
transforms
distorted
Co−O
octahedral
into
regular
structures,
accompanied
shortening
Co−Co
length.
This
structural
facilitates
formation
intermediates,
thus
accelerating
kinetics.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(19), С. 6897 - 6942
Опубликована: Янв. 1, 2024
This
review
focuses
on
the
latest
developments
in
direct
seawater
electrolysis,
specifically
electrocatalysts,
hybrid
anodic
oxidation,
and
electrolyzers,
providing
a
glimpse
into
future
of
environmentally
friendly
hydrogen
generation.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 7, 2025
Abstract
Electrochemical
seawater
splitting
faces
competing
chlorine
evolution
reactions
and
corrosion,
proposing
significant
obstacles
to
commercial
applications.
In
this
work,
a
feasible
strategy
is
developed
for
the
simultaneous
oxidation
of
SO
4
2−
CoFe
LDH
form
an
intercalation
/CoFe
LDH,
which
achieves
excellent
OER
performance
(265.2
mV@100
mA
cm
−2
)
satisfactory
stability
(1000
h@500
).
The
presence
found
enhance
intrinsic
activity
reduce
corrosion
tendency
LDH.
situ
Raman
selected
area
electron
diffraction
results
demonstrated
that
are
simultaneously
generated
inserted
into
interlayer.
DFT
calculations
further
confirmed
insertion
reduced
Cl
−
adsorption,
improved
selectivity.
Finally,
in
flow
AEM
electrolyzer,
Pt/C
system
exhibited
voltage
only
2.264
V
at
500
achieved
stable
operation
natural
150
h.
working
efficiency
as
high
55.0%
with
price
per
GGE
H
2
low
$1.211,
promising
wide
range
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(47)
Опубликована: Авг. 29, 2024
Abstract
Direct
electrochemical
seawater
splitting
is
a
renewable,
scalable,
and
potentially
economic
approach
for
green
hydrogen
production
in
environments
where
ultra‐pure
water
not
readily
available.
However,
issues
related
to
low
durability
caused
by
complex
ions
pose
great
challenges
its
industrialization.
In
this
review,
mechanistic
analysis
of
electrolytic
discussed.
We
critically
analyze
the
development
electrolysis
identify
at
both
anode
cathode.
Particular
emphasis
given
elucidating
rational
strategies
designing
electrocatalysts/electrodes/interfaces
with
long
lifetimes
realistic
including
inducing
passivating
anion
layers,
preferential
OH
−
adsorption,
employing
anti‐corrosion
materials,
fabricating
protective
immobilizing
Cl
on
surface
electrocatalysts,
tailoring
adsorption
sites,
inhibition
binding
Mg
2+
Ca
,
hydroxide
precipitation
adherence,
co‐electrosynthesis
nano‐sized
hydroxides.
Synthesis
methods
electrocatalysts/electrodes
innovations
electrolyzer
are
also
Furthermore,
prospects
developing
technologies
clean
generation
summarized.
found
that
researchers
have
rethought
role
ions,
as
well
more
attention
cathodic
reaction
electrolyzers,
which
conducive
accelerate
commercialization
electrolysis.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 18, 2024
Abstract
Although
hydrogen
production
through
seawater
electrolysis
combined
with
offshore
renewable
energy
can
significantly
reduce
the
cost,
corrosive
anions
in
strictly
limit
commercialization
of
direct
technology.
Here,
it
is
discovered
that
electrolytic
anode
be
uniformly
protected
a
environment
by
constructing
NiFeBa‐LDH
catalyst
assisted
additional
SO
4
2−
electrolyte.
In
experiments,
achieves
unprecedented
stability
over
10
000
h
at
400
mA
cm
−2
both
alkaline
saline
electrolyte
and
seawater.
Characterizations
simulations
reveal
atomically
dispersed
Ba
2+
enables
chemical
fixation
free
on
surface,
which
generates
dense
layer
to
repel
Cl
−
along
preferentially
adsorbed
presence
an
applied
electric
field.
terms
simplicity
effectiveness
design,
confident
beacon
for
