Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(51)
Опубликована: Окт. 6, 2022
Abstract
The
electrochemical
oxidation
of
small
molecules
to
generate
value‐added
products
has
gained
enormous
interest
in
recent
years
because
the
advantages
benign
operation
conditions,
high
conversion
efficiency
and
selectivity,
absence
external
oxidizing
agents,
eco‐friendliness.
Coupling
replace
oxygen
evolution
reaction
(OER)
at
anode
hydrogen
(HER)
cathode
an
electrolyzer
would
simultaneously
realize
generation
high‐value
chemicals
or
pollutant
degradation
highly
efficient
production
hydrogen.
This
Minireview
presents
introduction
on
small‐molecule
choice
design
strategies
electrocatalysts
as
well
breakthroughs
achieved
Finally,
challenges
future
orientations
are
highlighted.
Nature Communications,
Год журнала:
2019,
Номер
10(1)
Опубликована: Июнь 26, 2019
The
incorporation
of
defects,
such
as
vacancies,
into
functional
materials
could
substantially
tailor
their
intrinsic
properties.
Progress
in
vacancy
chemistry
has
enabled
advances
many
technological
applications,
but
creating
new
type
vacancies
existing
material
system
remains
a
big
challenge.
We
show
here
that
ionized
nitrogen
plasma
can
break
bonds
iron-carbon-nitrogen-nickel
units
nickel-iron
Prussian
blue
analogues,
forming
unconventional
carbon-nitrogen
vacancies.
study
oxygen
evolution
reaction
on
the
vacancy-mediated
which
exhibit
low
overpotential
283
millivolts
at
10
milliamperes
per
square
centimeter
alkali,
far
exceeding
original
analogues
and
previously
reported
catalysts
with
ascribe
this
enhancement
to
in-situ
generated
oxy(hydroxide)
active
layer
during
reaction,
where
Fe
leaching
was
significantly
suppressed
by
This
work
opens
up
opportunities
for
producing
defects
nanomaterials
broad
applications.
Chemical Reviews,
Год журнала:
2024,
Номер
124(7), С. 3694 - 3812
Опубликована: Март 22, 2024
Electrocatalytic
water
splitting
driven
by
renewable
electricity
has
been
recognized
as
a
promising
approach
for
green
hydrogen
production.
Different
from
conventional
strategies
in
developing
electrocatalysts
the
two
half-reactions
of
(e.g.,
and
oxygen
evolution
reactions,
HER
OER)
separately,
there
growing
interest
designing
bifunctional
electrocatalysts,
which
are
able
to
catalyze
both
OER.
In
addition,
considering
high
overpotentials
required
OER
while
limited
value
produced
oxygen,
is
another
rapidly
exploring
alternative
oxidation
reactions
replace
hybrid
toward
energy-efficient
generation.
This
Review
begins
with
an
introduction
on
fundamental
aspects
splitting,
followed
thorough
discussion
various
physicochemical
characterization
techniques
that
frequently
employed
probing
active
sites,
emphasis
reconstruction
during
redox
electrolysis.
The
design,
synthesis,
performance
diverse
based
noble
metals,
nonprecious
metal-free
nanocarbons,
overall
acidic
alkaline
electrolytes,
thoroughly
summarized
compared.
Next,
their
application
also
presented,
wherein
anodic
include
sacrificing
agents
oxidation,
pollutants
oxidative
degradation,
organics
upgrading.
Finally,
concise
statement
current
challenges
future
opportunities
presented
hope
guiding
endeavors
quest
sustainable
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(51)
Опубликована: Окт. 6, 2022
Abstract
The
electrochemical
oxidation
of
small
molecules
to
generate
value‐added
products
has
gained
enormous
interest
in
recent
years
because
the
advantages
benign
operation
conditions,
high
conversion
efficiency
and
selectivity,
absence
external
oxidizing
agents,
eco‐friendliness.
Coupling
replace
oxygen
evolution
reaction
(OER)
at
anode
hydrogen
(HER)
cathode
an
electrolyzer
would
simultaneously
realize
generation
high‐value
chemicals
or
pollutant
degradation
highly
efficient
production
hydrogen.
This
Minireview
presents
introduction
on
small‐molecule
choice
design
strategies
electrocatalysts
as
well
breakthroughs
achieved
Finally,
challenges
future
orientations
are
highlighted.
