Abstract
Efficient
and
durable
electrocatalysts
for
the
hydrogen
evolution
reaction
(HER)
in
alkaline
seawater
environments
are
essential
sustainable
production.
Zeolitic
imidazolate
framework‐8
(ZIF‐8)
is
synthesized
through
pulsed
laser
ablation
liquid,
followed
by
pyrolysis,
producing
N‐doped
porous
carbon
(NC).
NC
matrix
serves
as
a
self‐template,
enabling
Pt
nanocluster
decoration
(NC‐Pt)
via
irradiation
liquid.
NC‐Pt
exhibits
large
surface
area,
structure,
high
conductivity,
N‐rich
carbon,
abundant
active
sites,
low
content,
strong
interaction.
These
properties
enhance
efficient
mass
transport
during
HER.
Remarkably,
optimized
NC‐Pt‐4
catalyst
achieves
HER
overpotentials
of
52,
57,
53
mV
to
attain
10
mA
cm
−2
alkaline,
seawater,
simulated
surpassing
commercial
Pt/C
catalysts.
In
two‐electrode
system
with
NC‐Pt‐4(−)ǀǀIrO
2
(+)
cathode
anode,
it
demonstrates
excellent
direct
electrolysis
performance,
cell
voltage
1.63
remarkable
stability.
This
study
presents
rapid
method
fabricating
cost‐effective
highly
effective
production
environments.
Abstract
Seawater
splitting
is
one
of
the
desirable
techniques
for
producing
green
hydrogen
from
vast
natural
resource.
Several
reports
about
designing
and
fabricating
efficient
electrocatalysts
to
boost
oxygen
evolution
reaction
have
been
published.
However,
they
mainly
focus
on
electrodes,
electrocatalysts,
cost,
system
stability.
This
article
presents
an
overview
seawater
by
highlighting
most
challenging
issues
that
complicate
electrolysis,
such
as
durability,
guide
future
research
in
this
important
area.
The
strategy
launch
life
cycle
assessments
described
evaluate
short
long‐term
impacts.
Finally,
current
challenges
prospective
solutions
are
discussed.
Current Opinion in Electrochemistry,
Год журнала:
2024,
Номер
47, С. 101560 - 101560
Опубликована: Июнь 20, 2024
Direct
seawater
splitting
has
great
potential
for
constructing
an
economic
hydrogen
production
system
and
resolving
water
scarcity
via
pure
from
evolved
hydrogen.
However,
transforming
electrocatalytic
direct
into
a
viable
process
is
extremely
challenging
point
of
view.
A
vast
number
present
ions
impurities
in
seawater,
e.g.
Na+,
Mg2+,
Cl-,
SO42-,
Br-,
disrupts
efficient
oxygen
evolution
reaction
(OER)
anode
or
cathode.
In
this
respect,
there
are
different
challenges
posing
on
understanding
the
effect
complex
nature
especially
OER
catalysts
electrolysis.
This
mini-review
covers
electrochemical
operando
techniques
used
order
to
understand
activity,
stability,
equally
important
selectivity
electrocatalysts.
Abstract
Efficient
and
durable
electrocatalysts
for
the
hydrogen
evolution
reaction
(HER)
in
alkaline
seawater
environments
are
essential
sustainable
production.
Zeolitic
imidazolate
framework‐8
(ZIF‐8)
is
synthesized
through
pulsed
laser
ablation
liquid,
followed
by
pyrolysis,
producing
N‐doped
porous
carbon
(NC).
NC
matrix
serves
as
a
self‐template,
enabling
Pt
nanocluster
decoration
(NC‐Pt)
via
irradiation
liquid.
NC‐Pt
exhibits
large
surface
area,
structure,
high
conductivity,
N‐rich
carbon,
abundant
active
sites,
low
content,
strong
interaction.
These
properties
enhance
efficient
mass
transport
during
HER.
Remarkably,
optimized
NC‐Pt‐4
catalyst
achieves
HER
overpotentials
of
52,
57,
53
mV
to
attain
10
mA
cm
−2
alkaline,
seawater,
simulated
surpassing
commercial
Pt/C
catalysts.
In
two‐electrode
system
with
NC‐Pt‐4(−)ǀǀIrO
2
(+)
cathode
anode,
it
demonstrates
excellent
direct
electrolysis
performance,
cell
voltage
1.63
remarkable
stability.
This
study
presents
rapid
method
fabricating
cost‐effective
highly
effective
production
environments.
