ACS Omega,
Год журнала:
2024,
Номер
9(13), С. 14704 - 14727
Опубликована: Март 23, 2024
The
growing
demand
for
clean
energy
has
spurred
the
quest
sustainable
alternatives
to
fossil
fuels.
Hydrogen
emerged
as
a
promising
candidate
with
its
exceptional
heating
value
and
zero
emissions
upon
combustion.
However,
conventional
hydrogen
production
methods
contribute
CO2
emissions,
necessitating
environmentally
friendly
alternatives.
With
vast
potential,
seawater
garnered
attention
valuable
resource
production,
especially
in
arid
coastal
regions
surplus
renewable
energy.
Direct
electrolysis
presents
viable
option,
although
it
faces
challenges
such
corrosion,
competing
reactions,
presence
of
various
impurities.
To
enhance
efficiency
overcome
these
challenges,
researchers
have
turned
bipolar
membranes
(BPMs).
These
create
two
distinct
pH
environments
selectively
facilitate
water
dissociation
by
allowing
passage
protons
hydroxide
ions,
while
acting
barrier
cations
anions.
Moreover,
catalysts
at
BPM
junction
or
interface
can
further
accelerate
dissociation.
Alongside
thermodynamic
system
is
significantly
influenced
potential
BPMs.
By
exploiting
unique
properties,
BPMs
offer
solution
improve
overall
processes.
This
paper
reviews
electrolysis,
including
mechanism,
recent
advancements
synthesis,
encountered
electrolysis.
Furthermore,
explores
strategies
optimize
reaction
BPMs,
paving
way
from
seawater.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(23)
Опубликована: Апрель 21, 2024
Abstract
Owing
to
the
presence
of
a
substantial
concentration
chlorine
in
seawater,
anode
still
faces
severe
corrosion,
especially
water
splitting
operated
at
high
current
densities.
Herein,
cost‐effective
and
scalable
NiFe
layered
double
hydroxides
with
carbonate
intercalation
(named
as
LDH_CO
3
2−
)
are
synthesized
utilizing
etching‐hydrolysis
ion
exchange
strategies
under
ambient
conditions.
Experimental
findings
demonstrate
that
shows
excellent
stability
500
1000
mA
cm
−2
for
h
alkaline
simulated
seawater.
Additionally,
two‐electrode
system
offers
great
densities
ranging
from
100
over
duration
400
This
remarkably
catalytic
can
be
ascribed
strategies.
The
strategy
leads
an
integrated
electrode
catalyst‐carrier,
enhancing
adhesion
between
them,
retarding
hence
divorce
catalysts
carrier.
Theoretical
calculations
suggest
weakens
adsorbability
on
hinders
coupling
metal
atoms
chlorine,
thereby
impeding
corrosion
caused
by
improving
stability.
More
importantly,
this
has
been
extended
preparation
other
intercalation.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(35), С. 23147 - 23178
Опубликована: Янв. 1, 2024
Hydrogen
production
by
electrochemical
hydrogen
evolution
reaction
(HER)
using
eco-friendly
seawater
electrolysis
can
help
address
the
energy
shortage.
ACS Energy Letters,
Год журнала:
2024,
Номер
9(7), С. 3351 - 3368
Опубликована: Июнь 14, 2024
Dihydrogen
(H2)
constitutes
a
promising
energy
carrier
for
transporting
part
of
the
world's
demand
and
concomitantly
reducing
toxic
emissions.
Water
electrolysis
powered
by
renewable
would
provide
H2
with
small
carbon
footprint.
To
save
global
fresh
water,
seawater
has
attracted
much
attention
in
recent
years,
since
it
represents
96.5%
Earth's
resources
is
abundant
worldwide.
However,
seawater's
composition
complex,
which
poses
problems
direct
splitting.
date,
splitting
usually
requires
two-step
process,
i.e.,
purification
using
reverse
osmosis
(RO)
69%
globally
produced
desalinated
water
(Jones
et
al.
Sci.
Total
Environ.
2019,
657,
1343–1356)
then
pure
water.
This
involves
two
separate
processes,
resulting
complex
design
significant
space
requirement
their
corresponding
equipment.
Recently,
efforts
have
been
made
to
use
directly
production,
electrolyzers
this
source
are
being
developed.
The
objective
review
describe
first
impact
on
technologies
present
most
innovative
approaches
avoid
pretreatment
particular
emphasis
configurations
well-established
industrial
new
original
approaches.
Finally,
as
conclusion,
we
will
propose
perspectives
toward
development
enabling
electrochemical
production
from
sustainable
development.
DeCarbon,
Год журнала:
2024,
Номер
5, С. 100062 - 100062
Опубликована: Июль 14, 2024
Within
the
framework
of
achieving
global
carbon
neutrality,
utilizing
electrocatalytic
water
splitting
to
produce
"green
hydrogen"
holds
significant
promise
as
an
effective
solution.
The
strategic
development
economic,
efficient,
and
robust
anode
oxygen
evolution
reaction
(OER)
catalysts
is
one
imminent
bottlenecks
for
scalable
application
electrolyzing
into
hydrogen
oxygen,
particularly
under
actual
yet
harsh
operating
conditions
such
large
current
density
(LCD).
In
this
review,
we
intend
summarize
advances
challenges
in
understanding
OER
at
LCD.
Initially,
impact
LCD
on
electron
transfer,
mass
transportation
efficiency
catalyst
stability
identified
summarized.
Furthermore,
five
basic
principles
design,
namely
dimension
materials,
surface
chemistry,
creation
transfer
pathways,
synergy
among
nano-,
micro-,
macroscale
structures,
catalyst-support
interaction,
are
systematically
discussed.
Specifically,
correlation
between
synergistic
function
multiscale
structures
interaction
highlighted
direct
improvements
durability
Finally,
outlook
prospected
further
our
these
topics
provide
related
researchers
with
potential
research
areas.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(11), С. 3888 - 3897
Опубликована: Янв. 1, 2024
The
surface
hydroxyl
and
borate
species
in
Ru–BO
x
–OH-300
nanocomposite
have
been
evidenced
to
be
crucial
for
efficient
seawater
electrolysis,
due
the
high
hydrophilicity,
optimized
electronic
structure
of
Ru,
weakened
adsorption
Cl
−
.
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.
