Chemistry - An Asian Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 18, 2024
Porous
organic
polymers
(POPs)
are
a
type
of
porous
material
composed
structural
units
connected
by
covalent
bonds
and
POPs
have
been
used
as
efficient
electrocatalysts
for
hydrogen
evolution
reaction
(HER).
Herein,
glassy
carbon
electrode
(GCE)
is
chemically
modified
B-doped
imidazolium-based
loaded
with
Ru
nanoparticles
on
the
GCE
surface.
The
incorporation
B
in
regulates
electronic
structure
to
enhance
their
inherent
electrocatalytic
activity
HER.
optimized
GCE-Ru/PIM-Br2
exhibits
low
overpotential
271
mV
at
current
density
10
mA
cm
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(21)
Published: March 19, 2024
Abstract
The
generation
of
green
hydrogen
by
water
splitting
is
identified
as
a
key
strategic
energy
technology,
and
proton
exchange
membrane
electrolysis
(PEMWE)
one
the
desirable
technologies
for
converting
renewable
sources
into
hydrogen.
However,
harsh
anode
environment
PEMWE
oxygen
evolution
reaction
(OER)
involving
four‐electron
transfer
result
in
large
overpotential,
which
limits
overall
efficiency
production,
thus
efficient
electrocatalysts
are
needed
to
overcome
high
overpotential
slow
kinetic
process.
In
recent
years,
noble
metal‐based
(e.g.,
Ru/Ir‐based
metal/oxide
electrocatalysts)
have
received
much
attention
due
their
unique
catalytic
properties,
already
become
dominant
acidic
OER
process
applied
commercial
devices.
these
still
face
thorny
problem
conflicting
performance
cost.
this
review,
first,
metal
briefly
classified
according
forms
existence,
mechanisms
outlined.
Then,
focus
on
summarizing
improvement
strategies
with
respect
activity
stability
over
years.
Finally,
challenges
development
prospects
discussed.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(32)
Published: June 21, 2024
Abstract
Renewable
energy‐driven
proton
exchange
membrane
water
electrolyzer
(PEMWE)
attracts
widespread
attention
as
a
zero‐emission
and
sustainable
technology.
Oxygen
evolution
reaction
(OER)
catalysts
with
sluggish
OER
kinetics
rapid
deactivation
are
major
obstacles
to
the
commercialization
of
PEMWE.
To
date,
although
various
advanced
electrocatalysts
have
been
reported
enhance
acidic
performance,
Ru/Ir‐based
nanomaterials
remain
most
promising
for
PEMWE
applications.
Therefore,
there
is
an
urgent
need
develop
efficient,
stable,
cost‐effective
Ru/Ir
catalysts.
Since
structure‐performance
relationship
one
important
tools
studying
mechanism
constructing
optimal
catalytic
system.
In
this
review,
recent
research
progress
from
construction
unsaturated
sites
gain
deeper
understanding
summarized.
First,
general
mechanism,
catalyst
dissolution
active
site
structure
provided.
Then,
advances
in
design
synthesis
reviewed
terms
classification
design,
i.e.,
alloy,
core‐shell,
single‐atom,
framework
structures.
Finally,
challenges
perspectives
presented
future
development
renewable
energy
technologies
hydrogen
production.
Dalton Transactions,
Journal Year:
2024,
Volume and Issue:
53(11), P. 5291 - 5300
Published: Jan. 1, 2024
A
Ru@FeNi
LDH/MOF
core–shell
heterostructure
with
an
ultralow
content
of
Ru
nanoparticles
loading
on
the
heterointerface
FeNi
LDH/MOFs
was
designed
for
electrochemical
oxygen
evolution.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 25, 2024
The
design
of
bimetallic
metal-organic
frameworks
(MOFs)
with
a
hierarchical
structure
is
important
to
improve
the
electrocatalytic
performance
catalysts
due
their
synergistic
effect
on
different
metal
ions.
In
this
work,
catalyst
comprises
iron-nickel
MOF-derived
FeNi
phosphides,
intricately
integrated
phosphorus-doped
reduced
graphene
oxide
architectures
(FeNi
Energy Technology,
Journal Year:
2024,
Volume and Issue:
12(5)
Published: March 14, 2024
Electrocatalytic
and
photocatalytic
water
splitting
are
effective
pathways
for
energy
conversion
to
overcome
from
the
reliance
on
depletion
fossil
fuels
preclude
severe
degradation
of
global
climate.
The
review
begins
with
basic
principle
mechanisms
involved
in
both
electro/photocatalysis
splitting.
Graphitic
carbon
nitride
(g‐C
3
N
4
)
is
an
interesting
catalyst
due
its
layered
conjugated
metal
free
semiconductor,
owing
unique
physicochemical
characteristics.
However
improve
some
features
g‐C
including
long
term
stability,
large
active
sites,
electronic
band
structure,
low
recombination
rate
photogenerated
charges,
many
more,
interface
engineering
different
materials
have
been
introduced
catalytic
activity.
emphasizes
basics
properties
such
as
chemical
thermal
surface
area,
optoelectronic
properties,
exfoliated
tunable
functional
groups.
various
strategies
that
used
modulate
activity
this
material
discussed,
morphology
modulation,
elemental
doping,
metals,
semiconductors.
Towards
end
review,
a
summary
future
perspective
presented.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Pyridinic-N,
pyrrolic-N,
and
graphitic-N
fully
exploit
their
distinct
roles,
amplify
collective
influence
maximize
the
synergistic
interaction
between
Pt
NC,
ultimately
leading
to
exceptional
HER
performance
over
a
broad
pH
range.
