Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Abstract
Green
hydrogen
holds
immense
promise
in
combating
climate
change
and
building
a
sustainable
future.
Owing
to
its
high
power‐to‐gas
conversion
efficiency,
compact
structure,
fast
response,
the
proton
exchange
membrane
water
electrolyzer
(PEMWE)
stands
out
as
most
viable
option
for
widespread
production
of
green
hydrogen.
However,
harsh
operating
conditions
PEMWE
make
it
heavily
dependent
on
noble
metal‐based
catalysts
(NMCs)
incur
operational
maintenance
costs,
which
hinder
extensive
adoption.
Hence,
is
imperative
improve
performance
lifespan
NMCs
develop
advanced
components
reduce
overall
costs
integrating
technology
into
practical
applications.
In
light
this,
fundamental
design
principles
employed
acidic
electrolysis
are
summarized,
well
recent
advancements
compositional
structural
engineering
enhance
intrinsic
activity
active
site
density.
Moreover,
innovations
stack
their
impact
cost‐benefit
presented.
Finally,
current
challenges
examined,
potential
solutions
optimizing
electrocatalytic
discussed.
The
heterostructure
strategy
is
currently
an
effective
method
for
enhancing
the
catalytic
activity
of
materials.
However,
challenge
that
how
to
further
improve
their
performance,
based
on
principles
material
modification
must
addressed.
Herein,
a
introduced
magnetically
regulating
enhance
hydrogen
evolution
reaction
(HER)
Co
The
construction
of
an
efficient
and
durable
oxygen
evolution
reaction
(OER)
electrocatalyst
through
a
simple
synthesis
strategy
is
crucial
for
the
hydrogen
produced
from
seawater
splitting.
However,
achieving
this
goal
remains
great
challenge.
Herein,
amorphous
Fe-doped
nickel
phosphate
(Fe-NixPO4)
as
high-performance
OER
electrocatalysts
alkaline
freshwater/seawater
splitting
presented
using
straightforward
co-precipitation
method
at
room-temperature.
Experimental
results
reveal
structural
reconstruction
Fe-NixPO4
into
NiOOH
decorated
with
PO4
3-.
collaborative
interplay
between
Ni2+
Fe3+,
along
decoration
3-,
can
effectively
modulate
electronic
environment
electrocatalyst.
Consequently,
optimized
exhibits
exceptional
activity,
requiring
overpotentials
359
422
mV
to
generate
1000
mA
cm-2
in
freshwater
seawater,
respectively.
Moreover,
also
displays
outstanding
stability
100
h
seawater.
This
research
presents
viable
approach
fabricating
efficiency
electrolysis.
Catalysts,
Год журнала:
2025,
Номер
15(3), С. 205 - 205
Опубликована: Фев. 21, 2025
Recent
advances
in
transition
metal-based
electrocatalysts
have
significantly
enhanced
the
hydrogen
evolution
reaction
(HER)
and
oxygen
(OER)
water
electrocatalysis.
Self-supported
electrodes,
where
active
sites
are
directly
integrated
with
substrates,
offer
superior
kinetics
stability
compared
to
traditional
powder-based
electrocatalysts.
The
electrospinning
technique
is
particularly
effective
for
fabricating
self-supported
high
surface
areas,
porosity,
uniform
distribution
of
sites,
leading
improved
catalytic
performance.
Despite
extensive
research
on
electrocatalysts,
a
comprehensive
review
focusing
those
developed
via
remains
scarce.
This
provides
detailed
overview
process,
fundamental
principles
electrocatalysis,
recent
progress
development
fabricated
through
this
approach.
