Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 30, 2025
Abstract
The
electrochemical
synthesis
of
hydrogen
peroxide
represents
a
promising
alternative
to
the
traditional
anthraquinone
process,
aiming
for
zero
pollution.
However,
achieving
efficient
in
neutral
electrolytes
is
challenging
due
sluggish
kinetics
two‐electron
oxygen
reduction
reaction.
To
address
this
issue,
unique
metal–organic
framework
(MOF)
featuring
Cr
metal
sites
coordinated
with
tetrabromoterephthalic
acid
(Cr‐TBA)
synthesized.
This
specially
designed
MOF
exhibits
distinctive
paper‐clip‐like
structure
and
remarkably
enhanced
Lewis
acidity.
Experimental
results
demonstrate
that
obtained
can
facilitate
attraction
OH
−
ions
solution,
promoting
their
accumulation
on
catalyst
surface.
enhancement
leads
excellent
performances
Cr‐TBA
electrolytes,
Faradaic
efficiencies
96–98%
production
rate
13.4
mol
g
cat
−1
h
at
current
density
150
mA
cm
−2
.
Operando
spectroscopy
functional
theory
calculations
indicate
modified
microenvironment
effectively
facilitates
conversion
*
OOH
intermediates
H
2
O
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(34), P. 22829 - 22854
Published: Aug. 17, 2024
Porous
materials,
characterized
by
their
controllable
pore
size,
high
specific
surface
area,
and
controlled
space
functionality,
have
become
cross-scale
structures
with
microenvironment
effects
multiple
functions
gained
tremendous
attention
in
the
fields
of
catalysis,
energy
storage,
biomedicine.
They
evolved
from
initial
nanopores
to
multiscale
pore-cavity
designs
yolk-shell,
multishells,
or
asymmetric
structures,
such
as
bottle-shaped,
multichambered,
branching
architectures.
Various
synthesis
strategies
been
developed
for
interfacial
engineering
porous
including
bottom-up
approaches
using
liquid-liquid
liquid-solid
interfaces
"templating"
top-down
toward
chemical
tailoring
polymers
different
cross-linking
degrees,
well
interface
transformation
Oswald
ripening,
Kirkendall
effect,
atomic
diffusion
rearrangement
methods.
These
techniques
permit
design
functional
materials
diverse
effects,
size
enrichment
isolation
synergistic
local
field
enhancement
enhanced
applications.
In
this
review,
we
delve
into
interfacial-oriented
advanced
effects.
We
also
discuss
recent
progress
applications
these
collaborative
structure-activity
relationships
areas
electrochemical
conversion,
Finally,
outline
persisting
obstacles
prospective
avenues
terms
functionalization
engineering.
The
perspectives
proposed
paper
may
contribute
promote
wider
various
interdisciplinary
within
confined
dimensions
structures.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Nov. 28, 2024
The
lack
of
a
chemical
platform
with
high
spatial
dimensional
diversity,
coupled
the
elusive
multi-scale
amorphous
physics,
significantly
hinder
advancements
in
electromagnetic
wave
absorption
(EWA)
materials.
Herein,
we
present
synergistic
engineering
phenolic
multiple
kinetic
dynamics
and
discrete
crystallization
thermodynamics,
to
elucidate
origin
dielectric
properties
carbon
cascade
effect
during
EWA.
Leveraging
scalability
synthesis,
design
dozens
morphologies
from
bottom
up
combine
in-situ
pyrolysis
establish
nanomaterial
ecosystem
hundreds
Based
on
controlled
crystallization,
nano-curvature
regulation
inversion
symmetry-breaking
structures,
surface
electric
field
enhancement
multi-shell
charge
imbalance
triggers
intense
polarization.
Both
experiments
theories
show
that
each
scale
is
essential,
which
collectively
drives
broadband
(8.46
GHz)
efficient
dissipation
(−54.77
dB)
EWA
performance.
Our
work
nanostructure
can
contribute
uncovering
missing
pieces
physics
research.
This
study
presents
synthesis
absorption.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
Abstract
Electrosynthesis
of
hydrogen
peroxide
(H
2
O
)
via
two‐electron
oxygen
reduction
reaction
(2e
−
ORR)
is
a
promising
alternative
to
the
anthraquinone
oxidation
process.
To
improve
overall
energy
efficiency
and
economic
viability
this
catalytic
process,
one
pathway
develop
advanced
catalysts
decrease
overpotential
at
cathode,
other
couple
2e
ORR
with
certain
anodic
reactions
full
cell
voltage
while
producing
valuable
chemicals
on
both
electrodes.
The
performance
catalyst
depends
not
only
material
itself
but
also
environmental
factors.
Developing
electrocatalysts
high
selectivity
activity
prerequisite
for
efficient
H
electrosynthesis,
coupling
appropriate
would
further
enhance
efficiency.
Considering
this,
here
comprehensive
review
presented
latest
progress
state‐of‐the‐art
in
different
media,
microenvironmental
modulation
mechanisms
beyond
design,
as
well
electrocatalytic
system
various
reactions.
This
presents
new
insights
regarding
existing
challenges
opportunities
within
rapidly
advancing
field,
along
viewpoints
future
development
electrosynthesis
construction
green
roadmaps.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(10), P. 835 - 835
Published: May 9, 2024
Electrochemical
oxygen
reduction
reaction
(ORR)
via
the
2e−
pathway
in
an
acidic
media
shows
great
techno-economic
potential
for
production
of
hydrogen
peroxide.
Currently,
carbon-based
single-atom
catalysts
(C-SACs)
have
attracted
extensive
attention
due
to
their
tunable
electronic
structures,
low
cost,
and
sufficient
stability
media.
This
review
summarizes
recent
advances
metal
centers
coordination
environment
C-SACs
2e−-ORR.
Firstly,
mechanism
2e−-ORR
on
active
sites
is
systematically
presented.
Secondly,
structural
regulation
strategies
are
further
summarized,
including
center,
its
species
configurations
nitrogen
or
heteroatom
coordination,
near
functional
groups
substitute
groups,
which
would
provide
available
proper
ideas
developing
superior
electrocatalysts
C-SACs.
Finally,
we
propose
current
challenges
future
opportunities
regarding
C-SACs,
will
eventually
accelerate
development
distributed
H2O2
electrosynthesis
process.
