Carbon Neutrality,
Journal Year:
2025,
Volume and Issue:
4(1)
Published: April 8, 2025
Abstract
The
recycling
of
anode
graphite
plays
a
crucial
role
in
the
overall
process
spent
lithium-ion
batteries
(LIBs).
In
this
study
an
environmentally
friendly
and
cost-effective
method
was
proposed.
(SG)
from
LIBs
used
to
prepare
graphene
nanoplates
(GNP)
materials
through
mechanochemical
without
any
additives.
To
figure
out
mechanism
within,
we
set
control
group
with
pure
(PG).
Characterization
SG
PG
produced
using
XRD,
Raman,
XPS,
IR,
BET
analyses
revealed
presence
oxygen-containing
functional
groups
on
surface
SG-based
GNP
materials,
along
high
specific
area
275.4
m
2
/g
pore
volume
0.568
cm
3
/g.
Through
in-depth
investigation
electrochemical
capacity
fabricated
by
SG,
capacitance
per
unit
material
is
10.10μF/cm
,
revealing
intricate
structure
primarily
contributes
capacity.
Advanced Powder Materials,
Journal Year:
2023,
Volume and Issue:
2(3), P. 100117 - 100117
Published: Feb. 24, 2023
Although
the
Ostwald
ripening
approach
is
often
utilized
to
manufacture
single
hollow
metal
oxide,
constructing
binary
oxide
heterostructures
as
potent
photoelectrochemical
(PEC)
catalysts
still
obscure
and
challenging.
Herein,
we
reveal
a
general
strategy
for
fabricating
oxides
(Co3O4-δ-MnO2
Co3O4–SnO2)
utilizing
ripening.
Hollow
Co3O4-δ-MnO2
nano-network
with
structure
evolution
process
was
systematically
explored
through
experimental
theoretical
tools,
identifying
origin
of
due
interfaces
acting
landing
sites
their
growth.
In
addition,
structural
evolution,
from
Co3O4-α-MnO2,
can
be
observed
when
time
secondary
hydrothermal
reaches
96
h
topotactic
layer-to-tunnel
transition
process.
Notably,
optimized
Co3O4-δ-MnO2-48
exhibits
superior
PEC
degradation
efficiency
96.42%
excellent
durability
(20,000
min)
under
harsh
acid
conditions,
attributed
massive
structures'
vast
surface
area
high
intently
active
species.
Furthermore,
density
functional
theory
simulations
elucidated
Co3O4-δ-MnO2'
electron-deficient
d-band
center
(Co3O4-δ-MnO2,
-1.06;
-1.49),
strengthening
interaction
between
catalyst's
species
prolonging
lifetime
•O2−
1O2.
This
work
not
only
demonstrates
practical
use
but
also
lays
cornerstone
Exploration,
Journal Year:
2023,
Volume and Issue:
3(5)
Published: Aug. 21, 2023
Finding
effective
strategies
to
design
efficient
photocatalysts
and
decompose
refractory
organic
compounds
in
wastewater
is
a
challenging
problem.
Herein,
by
coupling
element
doping
constructing
heterostructures,
S-scheme
CdS
QDs/La-Bi
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: Aug. 24, 2023
Abstract
Electrocatalytic
synthesis
under
mild
conditions
has
become
increasingly
important
as
one
of
the
practical
alternatives
for
industrial
applications,
especially
green
ammonia
(NH
3
)
industry.
A
properly
engineered
electrocatalyst
plays
a
vital
role
in
realization
superior
catalytic
performance.
Among
various
types
promising
nanomaterials,
metal–organic
frameworks
(MOFs)
are
competitive
candidates
developing
efficient
electrocatalytic
NH
from
simple
nitrogen-containing
molecules
or
ions,
such
N
2
and
NO
−
.
In
this
review,
recent
advances
development
electrocatalysts
derived
MOFs
electrosynthesis
collected,
categorized,
discussed,
including
their
application
reduction
reaction
(NRR)
(NO
RR).
Firstly,
fundamental
principles
illustrated,
plausible
mechanisms
generation
,
apparatus
corresponding
electrocatalysis,
parameters
evaluation
efficiency,
detection
methods
yielding
Then,
NRR
processes
discussed
detail,
pristine
MOFs,
MOF-hybrids,
MOF-derived
N-doped
porous
carbons,
single
atomic
catalysts
pyrolysis
other
MOF-related
materials.
Subsequently,
RR
also
listed
discussed.
Finally,
existing
challenges
prospects
rational
design
fabrication
electrochemical
presented,
evolution
investigation
with
artificial
intelligence,
innovation
synthetic
catalysts,
advancement
characterization
techniques,
extended
reactions.
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