Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: March 31, 2025
Exploring
active,
durable
catalysts
and
utilizing
external
renewable
energy
sources
offer
notable
opportunities
for
advancing
seawater
electrolysis.
Here,
a
multifunctional
NiMo-based
catalyst
(NiMo-H2)
composed
of
bimetallic
Ni0.91Mo0.09
nanoparticles
on
MoO2
nanorods
is
demonstrated
the
alkaline
hydrogen
evolution
reaction.
The
alloying
effect
nanorod-nanoparticle
structure
endow
this
with
high
structural
stability,
rapid
electron
transfer,
large
surface
area.
in
situ-generated
alloyed
have
light
absorption
photothermal
conversion
capabilities,
while
vertically
grown
suppress
diffuse
reflection,
enabling
efficient
localized
photoheating.
Consequently,
irradiation
boosts
catalyst's
activity
it
works
stably
at
current
density
500
mA
cm−2
seawater.
We
then
assemble
NiMo-H2||NiFe
LDH
pair
anion
exchange
membrane
electrolyzer,
requires
approximately
1.6
V
to
drive
0.45
A,
demonstrating
robust
durability
overall
This
photothermal-promoted
electrolysis
system
shows
potential
production
from
active
crucial
sustainable
production.
authors
report
strategy
designing
nickel-molybdenum
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: March 23, 2024
Abstract
Recent
advancements
in
membrane-assisted
seawater
electrolysis
powered
by
renewable
energy
offer
a
sustainable
path
to
green
hydrogen
production.
However,
its
large-scale
implementation
faces
challenges
due
slow
power-to-hydrogen
(P2H)
conversion
rates.
Here
we
report
modular
forward
osmosis-water
splitting
(FOWS)
system
that
integrates
thin-film
composite
FO
membrane
for
water
extraction
with
alkaline
(AWE),
denoted
as
FOWS
AWE
.
This
generates
high-purity
directly
from
wastewater
at
rate
of
448
Nm
3
day
−1
m
−
2
area,
over
14
times
faster
than
the
state-of-the-art
practice,
specific
consumption
low
3.96
kWh
−3
The
rapid
production
results
utilisation
1
M
potassium
hydroxide
draw
solution
extract
wastewater,
and
electrolyte
split
produce
hydrogen.
current
enables
this
through
use
hydroxide-tolerant
hydrophilic
membrane.
established
water-hydrogen
balance
model
can
be
applied
design
units
meet
demands
various
scales,
households
cities,
different
sources.
is
an
economical
approach
producing
record-high
marking
significant
leap
P2H
practice.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(17)
Published: Feb. 8, 2024
Abstract
Direct
seawater
electrolysis
presents
a
promising
route
for
grid‐scale
green
hydrogen
(H
2
)
production
without
reliance
on
scarce
freshwater.
However,
it
is
severely
hampered
by
high
energy
consumption
(>
4.3–5.73
kWh
m
−3
H
and
harmful
chlorine
corrosion.
Herein,
an
energy‐saving
chlorine‐free
system
coupling
splitting
upcycling
of
polyethylene
terephthalate
(PET)
waste
into
value‐added
glycolic
acid
(GA)
over
Pd─CuCo
O
4
catalyst
reported.
An
ultra‐low
potential
1.15
V
versus
RHE
required
to
achieve
industry‐level
current
density
600
mA
cm
−2
,
which
reduces
electricity
cost
2.45
.
Notably,
this
maintains
1.6
A
longer
than
100
h,
demonstrating
excellent
stability.
Experimental
theoretical
results
unveil
that
1)
the
specific
adsorption
PET‐derived
ethylene
glycol
(EG)
Pd
enhances
catalytic
performance,
downshifted
d‐band
center
accelerates
desorption
GA
prevent
over‐oxidation;
2)
strong
OH
−
CuCo
synergistically
promotes
EG
electrooxidation
(EGOR)
forms
negative
charge
layer
effectively
repels
Cl
electrostatic
repulsion,
thus
preventing
This
work
may
provide
new
opportunities
from
vast
marine
resources
PET
waste.
DeCarbon,
Journal Year:
2024,
Volume and Issue:
5, P. 100062 - 100062
Published: July 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.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(15)
Published: Feb. 13, 2024
Abstract
Hydrogen
is
one
of
the
most
important
energy
alternatives
to
conventional
fossil‐based
fuel.
Solar
based
photocatalytic
hydrogen
evolution
(PHE)
a
salient
approach
produce
fuel
but
its
efficiency
generally
limited
by
sluggish
and
energy‐unfavorable
oxidation
reaction.
Meanwhile,
waste
treatment
has
become
worldwide
problem
clean
highly
demanded
avoid
vast
greenhouse
emission
currently.
Inspiringly,
PHE
can
be
effectively
coupled
with
favorable
photooxidation
many
wastes,
which
kills
two
birds
stone.
In
this
review,
recent
progress
in
presented,
where
typical
solid,
liquid,
gas
wastes
have
been
briefly
discussed.
Focusing
on
understanding
complicated
reaction
mechanism
revelation
products,
cutting‐edge
techniques
for
photophysics
surface
chemistry
characterization
analyzed,
are
imperative
facilitate
following
investigation.
Finally,
developing
trend
existing
issues
current
research
also
discussed
detail
so
that
holistic
blueprint
portrayed
accelerate
their
application
realistic
world.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(47)
Published: Aug. 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 Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 2, 2024
Abstract
Orbital
hybridization
is
a
promising
approach
to
modulating
the
electronic
structure
of
designed
electrocatalysts
boost
reaction
kinetics.
In
contrast
d‐d
hybridization,
p‐d
orbital
between
p‐block
elements
and
d‐block
metals
can
provide
new
opportunities
modulate
properties
thus
promote
catalytic
performance.
Herein,
phosphorus‐doped
osmium
(P‐Os)
catalyst
through
ultrafast
(20
s)
microwave
plasma
engineering.
Theoretical
calculations
verify
d‐p
P
Os,
leading
modulation
d‐band
center
Os
active
site.
Specifically,
neighboring
exhibit
highest
activity,
facilitating
crucial
processes
such
as
H
2
O/H*
adsorption
dissociation.
The
overpotential
P‐Os
in
alkaline
seawater
only
152
mV
at
1
A
cm
−2
,
which
superior
reported
electrocatalysts.
Moreover,
synthesized
catalysts
are
integrated
into
an
anion
exchange
membrane
(AEM)
electrolyzer,
demonstrating
remarkable
AEM
electrolyzer
requires
1.86/2.02
V
achieve
500/1000
mA
current
densities.
Then,
achieved
have
great
potential
for
practical
electrocatalytic
water‐splitting
applications.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Nickel
is
integrated
into
self-supported
FeMoO
4
nanosheet
arrays
by
a
spontaneous
redox
reaction,
which
shows
significantly
enhanced
electrocatalytic
OER
performance
and
long-term
durability
under
both
alkaline
seawater
conditions.
