Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
Electrocatalytic
hydrogenation
of
toxic
nitrobenzene
to
value-added
aniline
is
great
significance
in
addressing
the
issues
energy
crisis
and
environmental
pollution.
However,
it
a
considerable
challenging
crucial
develop
highly
efficient
earth-abundant
transition
metal-based
electrocatalysts
with
superior
durability
for
electro-hydrogenation
due
competitive
hydrogen
evolution
reaction
(HER).
In
this
work,
facile
approach
designed
introduced
constructing
an
integrated
self-supported
heterostructured
Co
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
Abstract
The
industrial
development
of
Zn‐ion
batteries
requires
high
performance
even
with
lean‐electrolyte.
Nevertheless,
lean‐electrolyte
can
exacerbate
concentration
polarization
at
the
interface
electrode/electrolyte,
leading
to
significant
Zn
corrosion
and
battery
failure.
Here,
a
stable
ion‐rich
protective
layer
(TMAO‐Zn)
is
constructed
by
unique
zwitterion
structure
trimethylamine
N‐oxide
(TMAO).
TMAO
characterized
direct
connection
between
positive
negative
charges
(N
+
‐O
−
)
minimal
dipole
moment,
which
renders
weak
interactions
form
TMAO‐Zn
2+
,
thereby
reducing
promoting
rapid
uniform
deposition
.
Furthermore,
O
exhibits
higher
electrophilic
index,
indicating
stronger
propensity
for
hydrogen
bond
active
free
water
in
inner
Helmholtz
(IHL),
mitigating
under
extreme
conditions
low
electrolyte‐to‐capacity
ratio
(E/C
ratio).
Consequently,
symmetrical
enables
cycling
over
250
h
15
µL
mA
−1
Additionally,
Zn/I₂
pouch
E/C
21.2
provides
ultra‐high
specific
capacity
96
cycles
(capacity
retention
rate
98.3%).
This
study
offers
new
concept
propel
practical
application
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 21, 2024
Abstract
Copper
(Cu)
is
a
promising
metal
for
electrochemical
CO
2
reduction
reaction
(eCO
RR)
to
value‐added
C
products.
However,
as
the
key
intermediate
C─C
coupling
form
products,
*
difficult
adsorb
on
Cu
surface
moderate
level.
Rare
earth
elements
possess
distinctive
electronic
structure
that
effectively
regulates
local
density
of
surrounding
atoms,
yet
has
rarely
been
investigated.
Herein,
different
rare
metals
are
screened
doping
O
and
found
Sc
atomically
dispersed
can
weaken
adsorption
catalyst
lower
energy
barrier
step
through
in
situ
ATR‐SEIRAS
DFT
calculations.
Therefore,
as‐prepared
0.09
‐Cu
presents
improved
eCO
RR
product
performance
with
faradic
efficiency
71.9%
at
current
600
mA
cm
−2
.
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
7(1), P. 333 - 342
Published: Dec. 20, 2024
Cu-based
materials
are
regarded
as
effective
electrocatalysts
for
CO2RR;
however,
Cu+,
the
active
site
C–C
coupling,
is
unstable
under
reduction
conditions.
Herein,
Mg2+
doped
into
Cu2O/CuO
interface
and
generates
high-activity
Cu+–O-Mg2+
sites
following
electrochemical
activation.
The
electron-withdrawing
effect
of
in
stabilizes
Cu+
optimizes
reaction
pathway
CO2RR.
At
a
partial
current
density
567.21
±
5.18
mA
cm–2,
Faraday
efficiency
(FE)
C2+
products
can
reach
81.03
0.74%.
In
situ
Raman
infrared
spectroscopy
reveal
that
significantly
enhances
coverage
stability
*CO,
which
contributes
to
ultrahigh
selectivity
CO2
toward
products.
Density
functional
theory
(DFT)
studies
indicate
*CO2
readily
adsorbed
on
site,
facilitating
more
generation
subsequently
promotes
coupling
step
accelerates
production
MetalMat,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 1, 2024
Abstract
The
use
of
green
renewable
energy
to
convert
carbon
dioxide
(CO
2
)
into
valuable
chemicals
and
fuels
through
CO
electrolysis
technology
(also
known
as
electrochemical
reduction
reaction,
eCO
RR)
is
an
advantageous
technology,
which
could
greatly
aid
the
global
carbon‐neutral
goal.
Although
progress
has
been
made
in
alkaline/neutral
media,
low
conversion
efficiency
target
products,
carbonate/bicarbonate
salt
precipitation,
blockage
electrode
holes
caused
by
are
not
conducive
industrial
applications.
Acidic
media
address
these
issues;
however,
conditions,
there
other
challenges
that
need
be
addressed,
such
hydrogen
evolution,
poor
tolerance
electrocatalysts,
electrolysers.
This
review
discusses
recent
advances
industrial‐level
acidic
electrolysis,
including
reaction
mechanisms,
device
design,
aiming
promote
its
commercialization.
In
addition,
a
comprehensive
evaluation
strategy
RR
system
proposed,
perspectives
provided
based
on
related
discussion.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 16, 2024
Abstract
Seawater
electrolysis
is
the
most
promising
technology
for
hydrogen
production,
in
which
surface
reconstruction
on
interface
of
electrode/electrolyte
plays
a
crucial
role
activating
catalytic
reactions
with
low
activation
energy
barrier.
Herein,
an
efficient
Mo
modifying
NiCoMo
prickly
flower
clusters
electrocatalyst
supported
nickel
foam
(Mo‐doped
Ni/Co‐OOH
clusters)
obtained,
serves
as
eminently
active
and
durable
catalyst
both
evolution
reaction
(HER)
oxygen
(OER)
due
to
during
alkaline
seawater
ultralow
overpotentials.
It
just
requires
cell
voltage
1.52
V
achieve
current
density
10
mA
cm
−2
water
along
robust
durability
over
30
h.
doping
effectively
regulates
Ni/Co‐OOH,
facilitates
adsorption
oxygen‐containing
intermediates
center,
nonhomogeneous
induces
charge
rearrangement
process
improve
efficiency,
providing
new
strategy
revealing
electrolytic
mechanism.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 28, 2024
Abstract
Alloying
is
considered
as
a
promising
method
for
syngas
(H
2
and
CO
mixture
gas)
generation.
However,
it
challenging
to
elucidate
the
relationship
between
ratios
of
alloy
components
reduction
reaction.
Herein,
through
tuning
Cu/Zn
ratio
on
CuZn
alloy,
H
/CO
in
CuZn‐2
(Cu/Zn
=
0.77)
can
be
tuned
noticeable
range
0.8
5.8
at
−0.88
−1.28
V
versus
RHE,
durable
stability
12
h.
The
displays
better
performance
enhanced
dynamics
than
other
samples.
Electrochemical
impedance
spectroscopies
Tafel
results
reveal
that
behaves
kinetically
optimized
performance.
Density
functional
theory
calculations
exhibits
middle
desorption
intensity
*H
HER
compared
with
pure
Zn
Cu.
effectively
decreases
energy
barrier
molecules
activated
*COOH
relative
Zn,
also
renders
easier
*CO
desorb
generate
In
situ
Fourier
transform
infrared
observe
significant
CuZn‐2.
This
work
demonstrates
alloying
Cu
create
active
sites,
which
acts
an
auxiliary
site
further
facilitating
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
Electrocatalytic
hydrogenation
of
toxic
nitrobenzene
to
value-added
aniline
is
great
significance
in
addressing
the
issues
energy
crisis
and
environmental
pollution.
However,
it
a
considerable
challenging
crucial
develop
highly
efficient
earth-abundant
transition
metal-based
electrocatalysts
with
superior
durability
for
electro-hydrogenation
due
competitive
hydrogen
evolution
reaction
(HER).
In
this
work,
facile
approach
designed
introduced
constructing
an
integrated
self-supported
heterostructured
Co
