Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 15, 2024
Abstract
Urea
oxidation
reaction
(UOR)
is
an
ideal
alternative
to
oxygen
evolution
(OER)
for
efficient
hydrogen
production
but
immensely
plagued
by
slow
kinetics.
Herein,
a
multilayer
hole
amorphous
boron‐nickel
catalyst
(a‐NiB
x
)
fabricated
through
simple
chemical
plating
method,
which
displays
intriguing
catalytic
activity
toward
UOR,
demanding
low
working
potential
of
1.4
V
reach
100
mA
cm
−2
.
The
high
performance
credited
the
formation
metaborate
(BO
2
−
),
can
promote
high‐oxidation‐state
NiOOH
active
phase
and
optimize
adsorption
urea
molecules.
This
be
confirmed
operando
spectroscopy
characteristics
density
functional
theory
calculations.
Consequently,
assembled
electrolyzer
utilizing
NiB
as
bifunctional
catalysts
exhibited
splendid
activity,
requiring
evidently
lower
voltage
1.66
current
1.57
when
using
Pt/C
cathode
catalyst.
Moreover,
secured
robust
stability
over
200
h,
well
four
times
higher
rate
than
traditional
water
electrolysis.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(31)
Published: May 20, 2024
Abstract
It
is
of
essential
importance
to
design
bifunctional
electrocatalysts
with
excellent
performance
for
both
hydrogen
evolution
reaction
(HER)
and
oxygen
(OER)
in
seawater
splitting.
Herein,
an
approach
manipulating
electron
redistribution
NiCoP
treated
by
P
defect
(P
v
)
engineering
(NiCoP
@NF)
presented,
exhibiting
catalytic
activities
stability
toward
HER/OER
alkaline
solution.
The
reduces
the
surface
electrooxidation
reconfiguration
energy
barrier,
making
it
easier
drive
local
conversion
crystals
active
oxy(hydroxide)
OER.
In
addition,
Ni
site
Co
NiCoOOH
are
sites
HER
OER
processes,
respectively.
situ
generated
PO
4
3−
adsorbed
on
catalyst
causes
spatial
repulsion,
preventing
Cl
−
corrosion
electrolysis.
AEM
electrolyzer
using
@NF
couple
achieves
high
activity
(2.43
V
at
500
mA
cm
−2
long‐term
durability
(500
over
110
h).
working
efficiency
1.0
M
KOH
as
77.0%
100
price
per
GGE
H
2
low
$
0.87.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(37)
Published: Feb. 1, 2024
Abstract
Seawater
electrolysis
for
hydrogen
production
is
a
sustainable
and
economical
approach
that
can
mitigate
the
energy
crisis
global
warming
issues.
Although
various
catalysts/electrodes
with
excellent
activities
have
been
developed
high‐efficiency
seawater
electrolysis,
their
unsatisfactory
durability,
especially
anodes,
severely
impedes
industrial
applications.
In
this
review,
attention
paid
to
factors
affect
stability
of
anodes
corresponding
strategies
designing
catalytic
materials
prolong
anode's
lifetime.
addition,
two
important
aspects—electrolyte
optimization
electrolyzer
design—with
respect
anode
improvement
are
summarized.
Furthermore,
several
methods
rapid
assessment
proposed
fast
screening
both
highly
active
stable
catalysts/electrodes.
Finally,
perspectives
on
future
investigations
aimed
at
improving
systems
outlined.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(35), P. 23147 - 23178
Published: Jan. 1, 2024
Hydrogen
production
by
electrochemical
hydrogen
evolution
reaction
(HER)
using
eco-friendly
seawater
electrolysis
can
help
address
the
energy
shortage.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(19), P. 6897 - 6942
Published: Jan. 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.
Carbon Neutralization,
Journal Year:
2024,
Volume and Issue:
3(4), P. 557 - 583
Published: May 8, 2024
Abstract
Currently,
the
concentration
of
carbon
dioxide
(CO
2
)
has
exceeded
400
ppm
in
atmosphere.
Thus,
there
is
an
urgent
need
to
explore
CO
reduction
and
utilization
technologies.
Photocatalytic
technology
can
convert
valuable
hydrocarbons
(CH
4
,
CH
3
OH,
C
H
5
etc.),
realizing
conversion
solar
energy
chemical
as
well
solving
problems
fossil
fuel
shortage
global
warming.
Graphitic
nitride
(g‐C
N
),
a
two‐dimensional
nonmetallic
semiconductor
material,
shows
great
potential
field
photoreduction
due
its
moderate
bandgap,
easy
synthesis
method,
low
cost,
visible
light
response
properties.
This
review
elaborates
research
progress
g‐C
‐based
photocatalysts
for
photocatalytic
reduction.
The
modification
strategies
(e.g.,
morphology
engineering,
elemental
doping,
crystallinity
modulation,
cocatalyst
modification,
constructing
heterojunction)
application
have
been
discussed
detail.
Finally,
challenges
development
prospects
materials
are
presented.
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 Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 18, 2025
Abstract
The
seawater
splitting
for
green
hydrogen
production
is
emerging
as
a
key
research
focus
sustainable
energy.
Nevertheless,
the
inherent
complexity
of
seawater,
with
its
diverse
ion
composition
–
especially
chloride
ions,
calcium
and
magnesium
ions
poses
significant
challenges
in
catalyst
design.
Designing
highly
active
electrocatalysts
that
can
resist
corrosion
during
still
challenge.
This
article
presents
an
overview
fundamental
mechanisms
explores
issues
encountered
at
both
cathode
anode
electrode.
then
shifts
to
chlorine
anode,
examining
recent
advances
preventing
strategies.
Notably,
these
design
strategies,
such
anionic
passivation
layers,
corrosion‐resistant
metal
doping,
physical
barrier
situ
phase
transition‐driven
desalination,
decoupled
splitting,
are
comprehensively
investigated,
all
which
aim
enhance
catalytic
stability
splitting.
review
concludes
outlook
on
practical
applications
producing
through
