Energy & Environmental Science,
Год журнала:
2022,
Номер
15(2), С. 727 - 739
Опубликована: Янв. 1, 2022
The
rational
design
of
efficient
electrocatalysts
for
industrial
water
splitting
is
essential
to
generate
sustainable
hydrogen
fuel.
However,
a
comprehensive
understanding
the
complex
catalytic
mechanisms
under
harsh
reaction
conditions
remains
major
challenge.
We
apply
self-templated
strategy
introduce
hierarchically
nanostructured
"all-surface"
Fe-doped
cobalt
phosphide
nanoboxes
(Co@CoFe-P
NBs)
as
alternative
industrial-scale
applications.
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(45)
Опубликована: Авг. 23, 2022
Directly
splitting
seawater
to
produce
hydrogen
provides
a
promising
pathway
for
energy
and
environmental
sustainability.
However,
current
faces
many
challenges
because
of
the
sluggish
kinetics,
presence
impurities,
membrane
contamination,
competitive
chloride
oxidation
reaction
at
anode,
which
makes
it
more
difficult
than
freshwater
splitting.
This
Review
firstly
introduces
basic
mechanisms
anode
cathode
reactions
during
We
critically
analyze
primary
principles
designing
catalysts
in
terms
both
oxygen
evolution
reactions,
including
with
noble
metal,
metal
free,
metal-free
catalysts.
Strategies
design
effective
catalysts,
such
as
active
site
population,
synergistic
effect
regulation,
surface
engineering,
are
discussed.
Furthermore,
promises,
perspectives,
developing
technologies
clean
generation
summarized.
Angewandte Chemie International Edition,
Год журнала:
2020,
Номер
60(24), С. 13177 - 13196
Опубликована: Дек. 14, 2020
Developing
electrocatalytic
energy
conversion
technologies
for
replacing
the
traditional
source
is
highly
expected
to
resolve
fossil
fuel
exhaustion
and
related
environmental
problems.
Exploring
stable
high-efficiency
electrocatalysts
of
vital
importance
promotion
these
technologies.
Single-atom
catalysts
(SACs),
with
atomically
distributed
active
sites
on
supports,
perform
as
emerging
materials
in
catalysis
present
promising
prospects
a
wide
range
applications.
The
rationally
designed
near-range
coordination
environment,
long-range
electronic
interaction
microenvironment
sphere
cast
huge
influence
reaction
mechanism
catalytic
performance
SACs.
In
current
Review,
some
recent
developments
dispersed
reactive
centers
CO2
reduction
water
splitting
are
well
summarized.
underlying
structure-activity
relationship
elaborated
based
progresses
various
operando
investigations.
Finally,
by
highlighting
challenges
development
single-atom
catalysis,
we
hope
shed
light
future
research
SACs
conversion.
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(48)
Опубликована: Сен. 1, 2021
Abstract
Seawater
electrolysis
under
alkaline
conditions
presents
an
attractive
alternative
to
traditional
freshwater
for
mass
sustainable
high‐purity
hydrogen
production.
However,
the
lack
of
active
and
robust
electrocatalysts
severely
impedes
industrial
application
this
technology.
Herein,
carbon‐doped
nanoporous
cobalt
phosphide
(C‐Co
2
P)
prepared
by
electrochemical
dealloying
is
reported
as
electrocatalyst
evolution
reaction
(HER).
The
C‐Co
P
achieves
overpotential
30
mV
at
a
current
density
10
mA
cm
−2
in
1
m
KOH,
along
with
impressive
catalytic
activity
stability
large
densities
artificial
seawater
electrolyte
containing
mixed
chlorides
NaCl,
MgCl
,
CaCl
.
Experimental
analysis
functional
theory
calculations
reveal
that
C
atom
strong
electronegativity
small
atomic
radius
can
tailor
electronic
structure
Co
P,
leading
weakened
Co–H
bonding
toward
promoted
HER
kinetics.
Moreover,
doping
introduces
two‐stepped
H
delivery
pathway
forming
C–H
ad
intermediate,
thus
reducing
energy
barrier
water
dissociation.
This
study
offers
new
vision
development
large‐scale
Energy & Environmental Science,
Год журнала:
2022,
Номер
15(2), С. 727 - 739
Опубликована: Янв. 1, 2022
The
rational
design
of
efficient
electrocatalysts
for
industrial
water
splitting
is
essential
to
generate
sustainable
hydrogen
fuel.
However,
a
comprehensive
understanding
the
complex
catalytic
mechanisms
under
harsh
reaction
conditions
remains
major
challenge.
We
apply
self-templated
strategy
introduce
hierarchically
nanostructured
"all-surface"
Fe-doped
cobalt
phosphide
nanoboxes
(Co@CoFe-P
NBs)
as
alternative
industrial-scale
applications.
