Catalysts,
Journal Year:
2024,
Volume and Issue:
14(12), P. 845 - 845
Published: Nov. 22, 2024
Green
hydrogen
(H2)
has
emerged
as
a
promising
energy
carrier
for
decarbonizing
the
industrial,
building,
and
transportation
sectors.
However,
current
green
H2
production
technologies
face
challenges
that
limit
cost
reduction
scaling
up.
Platinum-group
metals
(PGMs),
including
platinum
iridium,
present
exceptional
electrocatalytic
properties
water
splitting,
but
their
high
is
significant
barrier.
This
directly
impacts
overall
of
electrolyzers,
thus
increasing
costs.
The
work
covers
fundamentals
electrolysis,
currently
available
technologies,
focusing
on
proton-exchange
membrane
critical
role
electrocatalysts,
discussing
potential
strategies
reducing
PGM
content
and,
consequently,
decreasing
cost.
Carbon Energy,
Journal Year:
2023,
Volume and Issue:
5(12)
Published: April 25, 2023
Abstract
Sustainable
production
of
H
2
through
electrochemical
water
splitting
is
great
importance
in
the
foreseeable
future.
Transition‐metal
metaphosphates
(TMMPs)
have
a
three‐dimensional
(3D)
open‐framework
structure
and
high
content
P
(which
exists
as
PO
3
−
),
therefore
been
recognized
highly
efficient
catalysts
for
oxygen
evolution
reaction
(OER)
bottleneck
splitting.
Furthermore,
TMMPs
can
also
contribute
to
hydrogen
(HER)
alkaline
neutral
media
by
facilitating
dissociation,
thus,
overall
be
achieved
using
this
kind
material.
In
timely
review,
we
summarize
recent
advances
synthesis
their
applications
OER
HER.
We
present
brief
introduction
synthetic
strategies
first
two
parts.
Then,
review
latest
progress
made
research
on
OER,
HER,
water‐splitting
electrocatalysts.
part,
intrinsic
activity
well
current
strategy
improving
catalytic
will
discussed
systematically.
Finally,
future
opportunities
remaining
challenges
application
electrocatalysis
field.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(30)
Published: May 27, 2024
Abstract
Electrochemical
water
splitting
is
a
promising
technique
for
the
production
of
high‐purity
hydrogen.
Substituting
slow
anodic
oxygen
evolution
reaction
with
an
oxidation
that
thermodynamically
more
favorable
enables
energy‐efficient
Moreover,
this
approach
facilitates
degradation
environmental
pollutants
and
synthesis
value‐added
chemicals
through
rational
selection
small
molecules
as
substrates.
Strategies
small‐molecule
electrocatalyst
design
are
critical
to
electrocatalytic
performance,
focus
on
achieving
high
current
density,
selectivity,
Faradaic
efficiency,
operational
durability.
This
perspective
discusses
key
factors
required
further
advancement,
including
technoeconomic
analysis,
new
reactor
system
design,
meeting
requirements
industrial
applications,
bridging
gap
between
fundamental
research
practical
product
detection
separation.
aims
advance
development
hybrid
electrolysis
applications.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(5), P. 1885 - 1893
Published: Jan. 1, 2024
The
intervening
Se
induces
the
structural
asymmetricity
of
Ru-S
6
octahedrons
and
then
regulates
electronic
structure
active
Ru
site,
which
possesses
excellent
acid
water
oxidation
performance
as
an
Ir-free
catalyst.
Interdisciplinary materials,
Journal Year:
2024,
Volume and Issue:
3(2), P. 245 - 269
Published: Feb. 28, 2024
Abstract
The
electrochemical
nitrate
reduction
reaction
(NO
3
RR)
holds
promise
for
ecofriendly
removal.
However,
the
challenge
of
achieving
high
selectivity
and
efficiency
in
electrocatalyst
systems
still
significantly
hampers
mechanism
understanding
large‐scale
application.
Tandem
catalysts,
comprising
multiple
catalytic
components
working
synergistically,
offer
promising
potential
improving
NO
RR.
This
review
highlights
recent
progress
designing
tandem
catalysts
RR,
including
noble
metal‐related
system,
transition
metal
electrocatalysts,
pulsed
electrocatalysis
strategies.
Specifically,
optimization
active
sites,
interface
engineering,
synergistic
effects
between
catalyst
components,
various
situ
technologies,
theory
simulations
are
discussed
detail.
Challenges
opportunities
development
scaling
up
RR
further
discussed,
such
as
stability,
durability,
mechanisms.
By
outlining
possible
solutions
future
design,
this
aims
to
open
avenues
efficient
comprehensive
insights
into
mechanisms
energy
sustainability
environmental
safety.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 9, 2024
Abstract
Electrochemical
CO
2
reduction
reaction
(CO
RR)
powered
by
renewable
energy
provides
a
promising
route
to
conversion
and
utilization.
However,
the
widely
used
neutral/alkaline
electrolyte
consumes
large
amount
of
produce
(bi)carbonate
byproducts,
leading
significant
challenges
at
device
level,
thereby
impeding
further
deployment
this
reaction.
Conducting
RR
in
acidic
electrolytes
offers
solution
address
“carbonate
issue”;
however,
it
presents
inherent
difficulties
due
competitive
hydrogen
evolution
reaction,
necessitating
concerted
efforts
toward
advanced
catalyst
electrode
designs
achieve
high
selectivity
activity.
This
review
encompasses
recent
developments
RR,
from
mechanism
elucidation
design
engineering.
begins
discussing
mechanistic
understanding
pathway,
laying
foundation
for
RR.
Subsequently,
an
in‐depth
analysis
advancements
catalysts
is
provided,
highlighting
heterogeneous
catalysts,
surface
immobilized
molecular
enhancement.
Furthermore,
progress
made
device‐level
applications
summarized,
aiming
develop
high‐performance
systems.
Finally,
existing
future
directions
are
outlined,
emphasizing
need
improved
selectivity,
activity,
stability,
scalability.
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(3), P. 748 - 755
Published: Jan. 29, 2024
The
development
of
renewable
energy
conversion
devices
heavily
relies
on
the
design
high-performance
electrocatalysts
for
water
electrolysis
systems.
In
this
study,
a
Se-doped
RuO2
aerogel
(Se-RuO2
aerogel)
with
abundant
defects
is
prepared
as
an
excellent
oxygen
evolution
reaction
(OER)
electrocatalyst
in
acidic
media.
Se-RuO2
exhibits
remarkably
low
overpotential
166
mV
at
current
density
10
mA
cm–2
and
long-term
stability
up
to
48
h.
Concurrently,
detailed
situ
experiments
demonstrate
that
can
maintain
during
OER
process,
their
path
follows
more
stable
adsorption
mechanism.
Therefore,
it
operate
100
h
when
assembled
anode
catalyst
polymer
electrolyte
membrane
(PEM)
electrolyzer.
This
work
provides
new
vision
based
defect
engineering.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(4), P. 1582 - 1582
Published: Feb. 13, 2025
Developing
a
highly
active
and
stable
catalyst
for
acidic
oxygen
evolution
reactions
(OERs),
the
key
half-reaction
proton
exchange
membrane
water
electrolysis,
has
been
one
of
most
cutting-edge
topics
in
electrocatalysis.
A
dual-doping
strategy
optimizes
electronic
environment,
modifies
coordination
generates
vacancies,
introduces
strain
effects
through
synergistic
effect
two
elements
to
achieve
high
catalytic
performance.
In
this
review,
we
summarize
progress
dual
doping
RuO2
or
IrO2
OERs.
The
three
main
mechanisms
OERs
are
dicussed
firstly,
followed
by
detailed
examination
development
history
catalysts,
from
experimentally
driven
systems
machine
learning
(ML)
theoretical
screening
systems.
Lastly,
provide
summary
remaining
challenges
future
prospects,
offering
valuable
insights
into