ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 7, 2024
Flash
Joule
heating
has
been
used
as
a
versatile
solid-state
synthesis
method
in
the
production
of
wide
range
products,
including
organic,
inorganic,
and
ceramic
products.
Conventional
flash
systems
are
large
customized,
presenting
significant
barriers
cost
assembly,
expertise
needed
to
operate,
uniformity
results
between
different
systems.
Even
laboratory-scale
struggle
operate
above
10
g
capacity,
they
suffer
from
poor
temperature
controllability.
We
present
here
use
commercial
off-the-shelf
arc
welders
superior
alternative
standard
due
their
low
($120),
ease
use,
compact
size,
high
controllability,
tunability.
demonstrate
gram-scale
variety
organic
species
using
these
With
addition
another
reactor
configuration
for
only
$260,
we
scale
up
products
record
rates
laboratory
scale,
achieving
rate
3
kg/h
graphene
kilogram-per-day
SiC,
carbon
nanotubes,
SnSe2,
SnS2.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
This
review
systematically
provides
various
insights
into
the
pH
effect
on
hydrogen
electrocatalysis,
and
thus
providing
a
reference
for
future
development
of
electrocatalysis
based
these
insights.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(47)
Published: Nov. 20, 2024
It
remains
a
grand
challenge
to
develop
electrocatalysts
with
simultaneously
high
activity,
long
durability,
and
low
cost
for
the
oxygen
evolution
reaction
(OER),
originating
from
two
competing
pathways
often
trade-off
performances.
The
adsorbed
mechanism
(AEM)
suffers
sluggish
kinetics
due
linear
scaling
relationship,
while
lattice
(LOM)
causes
unstable
structures
escape.
We
propose
MoZnFeCoNi
high-entropy
alloy
(HEA)
incorporating
AEM-promoter
Mo
LOM-active
Zn
achieve
dual
activation
stabilization
efficient
durable
OER.
Density
functional
theory
chemical
probe
experiments
confirmed
dual-mechanism
activation,
representative
Co-Co
†
-Mo
sites
facilitating
AEM
Zn-O
-Ni
enhancing
LOM,
resulting
in
an
ultralow
OER
overpotential
(η
10
=
221
mV).
multielement
interaction,
structure,
carbon
network
notably
enhance
structural
stability
catalysis
(>1500
hours
at
100
mA
cm
−2
).
Our
work
offers
viable
approach
concurrently
activity
by
designing
HEA
catalysts
enable
synergy.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 8, 2024
Abstract
Developing
efficient,
low‐cost
electrocatalysts
for
industrial‐level
hydrogen
production
remains
a
significant
challenge.
Here
lattice‐distorted
Ni
nanoparticles
(NPs)
encapsulated
within
nitrogen‐doped
carbon
shell
on
delignified
wood
(Ni‐NC@DWC)
are
constructed
through
chitosan‐induced
assembly
and
the
pyrolysis
process.
Experimental
theoretical
results
indicate
that
lattice
distortion
due
to
strong
metal‐support
interactions,
boosts
electron
transfer
reaction
intermediate
adsorption/desorption,
enhancing
both
urea
oxidation
(UOR)
evolution
(HER).
Interestingly,
active
center
3+
‐O
is
dynamically
cyclically
generated
during
UOR.
When
utilized
as
self‐standing
electrode
in
an
alkaline
electrolyte,
Ni‐NC@DWC
exhibits
low
potentials
of
24
mV
1.244
V
at
100
mA
cm
−2
HER
UOR,
respectively.
Moreover,
achieves
ultrasmall
cell
voltage
1.13
urea‐assisted
water
splitting
can
operate
stably
over
1000
h.
Furthermore,
when
it
self‐assembled
anion
exchange
membrane
(AEM)
electrolyzer,
requires
only
1.62
2000
industrial
operates
150
h
without
degradation,
confirming
highly
attractive
economical,
sustainable,
scalable
production.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 4, 2024
Abstract
Electrocatalytic
water
splitting
(EWS)
driven
by
renewable
energy
is
widely
considered
an
environmentally
friendly
and
sustainable
approach
for
generating
hydrogen
(H
2
),
ideal
carrier
the
future.
However,
efficiency
economic
viability
of
large‐scale
electrolysis
depend
on
electrocatalysts
that
can
efficiently
accelerate
electrochemical
reactions
taking
place
at
two
electrodes.
Wood‐derived
nanomaterials
are
well‐suited
serving
as
EWS
catalysts
because
their
hierarchically
porous
structure
with
high
surface
area
low
tortuosity,
compositional
tunability,
cost‐effectiveness,
self‐standing
integral
electrode
configuration.
Here,
recent
advancements
in
design
synthesis
wood‐structured
advanced
summarized.
First,
principles
corresponding
strategies
toward
highly
effective
(WSECs)
emphasized.
Then,
a
comprehensive
overview
current
findings
WSECs,
encompassing
diverse
structural
designs
functionalities
such
supported‐metal
nanoparticles
(NPs),
single‐atom
(SACs),
metal
compounds,
heterostructured
based
engineered
wood
hosts
presented.
Subsequently,
application
these
WSECs
various
aspects
splitting,
including
evolution
reaction
(HER),
oxygen
(OER),
overall
(OWS),
hybrid
(HWE)
explored.
Finally,
prospects,
challenges,
opportunities
associated
broad
briefly
discussed.
This
review
aims
to
provide
understanding
ongoing
developments
water‐splitting
catalysts,
along
outlining
future
development
WSECs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 19, 2024
Abstract
High
entropy
materials
(HEMs)
compositing
of
at
least
five
elements
have
gained
widespread
attention
in
the
field
electrocatalysis
due
to
their
tunable
activities
and
high
stability.
These
intrinsic
properties
can
be
further
highlighted
when
size
HEMs
comes
nanoscale.
In
nanostructured
HEMs,
fascinating
including
large
composition
space,
multi‐element
synergy,
configuration
are
expected
endow
nano‐HEMs
with
excellent
catalytic
activity
stability,
thus
providing
greater
potential
for
design
advanced
electrocatalysts.
this
review,
differentiated
detail
dimensions
common
synthesis
methods
summarized.
Additionally,
from
perspective
complex
nanostructure‐performance
relationship,
applications
systems,
water‐splitting
(hydrogen
evolution
reaction
(HER),
oxygen
(OER)),
hydrogen
oxidation
(HOR),
reduction
(ORR),
carbon
dioxide
(CO
2
RR),
nitrogen
(NRR)
alcohol
(AOR)
discussed.
Finally,
main
challenges
faced
by
underscored.
This
review
is
provide
more
insights
into
understanding
developing
efficient
electrocatalytic
practical
applications.
SmartMat,
Journal Year:
2025,
Volume and Issue:
6(1)
Published: Jan. 6, 2025
ABSTRACT
Electrocatalysis
plays
a
central
role
in
electrochemical
energy
storage
and
conversion
systems,
providing
number
of
sustainable
processes
for
future
technologies.
As
green,
renewable,
abundant
natural
polymer
material,
the
unique
structure
physicochemical
properties
wood
its
derivatives
provide
application
advantage
field
electrocatalysis,
which
has
aroused
intense
attention
from
researchers.
At
present,
researchers
have
developed
many
wood‐based
catalytic
electrodes
by
taking
anisotropic
hierarchical
porous
active
functional
groups
on
cell
wall
surface
wood.
Here,
comprehensive
review
recent
progress
design
synthesis
wood‐inspired
electrocatalytic
reactions
is
summarized.
Starting
importance
process
whole
system,
this
highlights
composition
wood,
analyzes
mechanisms
hydrogen
evolution
reaction
(HER),
oxygen
(OER),
urea
oxidation
(UOR),
reduction
(ORR),
discusses
structure‐activity
relationship
between
structural
activity
electrodes.
Finally,
opportunities,
challenges,
directions
electrocatalysis
are
prospected.
