Energy & Fuels,
Год журнала:
2024,
Номер
38(21), С. 20155 - 20168
Опубликована: Окт. 10, 2024
In
the
process
of
electrocatalytic
water
splitting,
managing
gaseous
products
is
crucial.
Rapid
gas
diffusion
on
electrode
surface
can
accelerate
mass
transfer,
thereby
enhancing
energy
conversion
efficiency.
recent
years,
regulation
wettability
through
compositional
and
structural
engineering
has
garnered
significant
attention.
this
review,
we
first
introduce
generation
detachment
processes
bubbles
explore
their
impact
transport
transfer
in
water-splitting
reactions,
emphasizing
importance
efficient
improving
catalyst
activity
stability.
Subsequently,
delve
into
fundamental
principles
discuss
design
potential
mechanisms
for
efficiency
chemical
modification,
design,
gradient
design.
Finally,
propose
future
research
directions
field.
Abstract
Electrocatalytic
water
splitting
for
hydrogen
generation
plays
a
crucial
role
in
promoting
the
energy
transition
and
achieving
goals
of
carbon
neutrality.
Nevertheless,
context
electrolysis,
generated
bubbles
have
an
adverse
impact
on
consumption
mass
transfer
efficiency.
To
address
this
challenge,
variety
strategies
are
investigated
to
accelerate
bubble
detachment
transport.
It
is
utmost
significance
summarize
those
facilitating
advancement
electrolysis
performance.
In
review,
comprehensive
account
presented
enhancing
performance
through
behavior
management.
First,
electrolyte
discussed.
Then,
optimized
interactions
between
electrode
surface
introduced,
which
focus
reducing
adhesion
forces
implementing
other
forces.
Next,
dynamic
bubbling
deformable
catalysts
discussed,
such
as
fern‐
caterpillar‐like
catalysts.
Following
that,
bubble‐bubble
coalescence
proved
be
beneficial
earlier
departure
compared
buoyancy
effect
alone.
Finally,
outlooks
future
development
efficient
removal
enhanced
The
review
aims
deepen
comprehension
stimulate
management
strategies,
thereby
further
electrolysis.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 18, 2024
Abstract
Highly
efficient
novel
electrocatalysts
for
hydrogen/oxygen
production
are
urgently
required,
noble
metal‐based
catalysts
substitution.
Cobalt
phosphides
have
shown
great
potential
serving
as
bifunctional
catalysts,
owing
to
the
cost
effectiveness
and
high
conductivity.
However,
water
splitting
ability
of
them
is
still
not
comparative
with
commercial
counterparts.
In
this
work,
we
reported
a
Br‐induced
strategy,
obtain
an
ultra‐hydrophilic
isostructural
Br
0.036
─Co
1.085
P@NF
catalyst
by
gas‐solid
reaction
method.
As
typical
halogen
element,
introduction
can
greatly
enhance
surficial
hydrophilicity
thus
further
impart
ideal
adsorption
molecules.
Meanwhile,
electronic
structure
could
be
regulated
induce
generation
cobalt
(CoP/Co
2
P).
result,
contact
angle
nearly
cannot
caught
ultra‐hydrophilicity.
It
also
confirmed
that,
d‐band
center
Co
shows
apparent
negative
shift
after
introduction,
which
reduces
energy
oxygen‐containing
intermediates
thereby
facilitating
desorption
process.
Besides,
reduce
barrier
O
formation,
show
more
favorable
dynamic
behaviors.
This
work
proved
accessibility
effective
design
strategy
on
halogen‐induced
transition
metal
high‐performance
overall
splitting.
