Advanced Functional Materials,
Год журнала:
2023,
Номер
34(3)
Опубликована: Окт. 5, 2023
Abstract
Electrocatalytic
glycerol
oxidation
reaction
(GOR)
is
an
effective
way
to
convert
biomass
byproduct
high
value‐added
chemicals,
which;
however,
suffers
from
the
low
activity
and
conversion
ratio
of
presently
available
catalysts.
Herein,
NiCo
2
O
4
/NF
bimetallic
oxide
nanoarray
controllably
fabricated
by
Ni
substituting
for
octahedral
Co
3+
in
3
,
which
exhibits
excellent
GOR
catalytic
at
elevated
current
densities
(
E
300
=
1.42
V,
600
1.62
V)
overall
Faradaic
efficiency
97.5%
V
(FE
formic
acid
89.9%
FE
glycolic
7.62%).
The
performance
attributed
structure
evolution
including
rapid
generation
III
‐OOH
active
species,
optimized
intermediates
adsorption,
accelerated
electron
transfer
owing
introduction,
are
evidenced
operando
spectroscopy
measurements
density
functional
theory
calculations,
respectively.
GOR/hydrogen
coupled
two‐electrode
electrolytic
cell
voltage
≈299
mV
lower
than
that
water
splitting
50
mA
cm
−2
.
More
importantly,
compared
conventional
splitting,
this
electrolyzer
stable
over
200
h
1.75
reducing
energy
consumption
16.9%
obtaining
products
anode
concurrently.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(2), С. 619 - 628
Опубликована: Янв. 1, 2023
An
electronegativity-dominant
high-entropy
atomic
environment
regulation
strategy
was
developed
to
manipulate
the
electrocatalytic
properties
by
tailoring
competitive
adsorption
sites
in
HEA
NPs.
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.
Energy & Environmental Science,
Год журнала:
2023,
Номер
17(1), С. 49 - 113
Опубликована: Ноя. 7, 2023
This
perspective
highlights
recent
advancements
in
innovative
strategies
to
provide
valuable
insights
into
the
potential
for
energy-saving
hydrogen
production
through
water
electrolysis.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(23), С. 8319 - 8373
Опубликована: Янв. 1, 2023
In
this
review,
we
provide
a
comprehensive
summary
of
recent
advances
in
the
synthesis
strategies,
design
principles,
and
characterization
technologies
high
entropy
alloys,
their
applications
various
electrocatalytic
conversion
reactions.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(3), С. 1100 - 1110
Опубликована: Янв. 1, 2023
The
ultrafast
solution
combustion
synthesis
of
heterogeneous
interface
is
developed
to
boost
anodic
organic
upgrading
reaction,
which
exhibits
remarkable
current
density
and
faradaic
efficiency
benefiting
from
the
strong
electronic
interaction.
Advanced Materials,
Год журнала:
2022,
Номер
35(2)
Опубликована: Ноя. 14, 2022
High-entropy
alloy
aerogels
(HEAAs)
combined
with
the
advantages
of
high-entropy
alloys
and
are
prospective
new
platforms
in
catalytic
reactions.
However,
due
to
differences
reduction
potentials
miscibility
behavior
different
metals,
realization
HEAAs
a
single
phase
is
still
great
challenge.
Herein,
series
fabricated
via
freeze-thaw
method
as
highly
active
durable
electrocatalysts
for
carbon
dioxide
reaction
(CO2
RR).
Especially,
PdCuAuAgBiIn
can
achieve
Faradaic
efficiency
(FE)
C1
products
almost
100%
from
-0.7
-1.1
V
versus
reversible
hydrogen
electrode
(VRHE
),
maximum
FE
formic
acid
(FEHCOOH
)
98.1%
at
VRHE
,
outperforming
particles
(HEAPs)
Pd
metallic
(MAs).
Specifically,
current
density
FEHCOOH
200
mA
cm-2
87%
flow
cell.
The
impressive
CO2
RR
performance
attributed
strong
interactions
between
metals
surface
unsaturated
sites,
which
regulate
electronic
structures
allow
optimal
HCOO*
intermediate
adsorption
desorption
onto
catalysts
enhance
HCOOH
production.
work
not
only
provides
facile
synthetic
strategy
fabricate
HEAAs,
but
also
opens
avenue
development
efficient
beyond.
Advanced Materials,
Год журнала:
2022,
Номер
34(30)
Опубликована: Май 25, 2022
Medium-entropy
alloy
aerogels
(MEAAs)
with
the
advantages
of
both
multimetallic
alloys
and
are
promising
new
materials
in
catalytic
applications.
However,
limited
by
immiscible
behavior
different
metals,
achieving
single-phase
MEAAs
is
still
a
grand
challenge.
Herein,
general
strategy
for
preparing
ultralight
3D
porous
lowest
density
39.3
mg
cm-3
among
metal
reported,
through
combining
auto-combustion
subsequent
low-temperature
reduction
procedures.
The
homogenous
mixing
precursors
at
ionic
level
makes
short-range
diffusion
atoms
possible
to
drive
formation
MEAAs.
As
proof
concept
catalysis,
as-synthesized
Ni50
Co15
Fe30
Cu5
exhibit
high
mass
activity
1.62
A
mg-1
specific
132.24
mA
cm-2
toward
methanol
oxidation
reactions,
much
higher
than
those
low-entropy
counterparts.
In
situ
Fourier
transform
infrared
NMR
spectroscopies
reveal
that
can
enable
highly
selective
conversion
formate.
Most
importantly,
methanol-oxidation-assisted
MEAAs-based
water
electrolyzer
achieve
low
cell
voltage
1.476
V
10
making
value-added
formate
anode
H2
cathode,
173
mV
lower
traditional
alkaline
electrolyzers.
Advanced Materials,
Год журнала:
2023,
Номер
36(4)
Опубликована: Окт. 10, 2023
Abstract
As
one
of
the
most
promising
approaches
to
producing
high‐purity
hydrogen
(H
2
),
electrochemical
water
splitting
powered
by
renewable
energy
sources
such
as
solar,
wind,
and
hydroelectric
power
has
attracted
considerable
interest
over
past
decade.
However,
electrolysis
process
is
seriously
hampered
sluggish
electrode
reaction
kinetics,
especially
four‐electron
oxygen
evolution
at
anode
side,
which
induces
a
high
overpotential.
Currently,
emerging
hybrid
strategy
proposed
integrating
thermodynamically
favorable
electro–oxidation
reactions
with
cathode,
providing
new
opportunity
for
energy–efficient
H2
production.
To
achieve
highly
efficient
cost–effective
toward
large–scale
practical
H
production,
much
work
been
continuously
done
exploit
alternative
anodic
oxidation
cutting–edge
electrocatalysts.
This
review
will
focus
on
recent
developments
production
coupled
reactions,
including
choice
substrates,
investigation
electrocatalytic
materials,
deep
understanding
underlying
mechanisms.
Finally,
some
insights
into
scientific
challenges
now
standing
in
way
future
advancement
technique
are
shared,
hope
inspiring
further
innovative
efforts
this
rapidly
growing
field.
