Carbon Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 27, 2025
ABSTRACT
While
silicon/carbon
(Si/C)
is
considered
one
of
the
most
promising
anode
materials
for
next
generation
high‐energy
lithium‐ion
batteries
(LIBs),
industrialization
Si/C
anodes
hampered
by
high‐cost
and
low
product
yield.
Herein,
a
high‐yield
strategy
developed
in
which
photovoltaic
waste
silicon
converted
to
cost‐effective
graphitic
composites
(G‐Si@C)
LIBs.
The
introduction
binder
improves
dispersion
compatibility
graphite,
enhances
particle
sphericity,
significantly
reduces
loss
rate
spray
prilling
process
(from
about
25%
5%).
As
an
LIB
anode,
fabricated
G‐Si@C
exhibit
capacity
605
mAh
g
−1
after
1200
cycles.
cost
manufacturing
has
been
reduced
approximately
$7.47
kg
,
close
that
commercial
graphite
($5.0
),
lower
than
(ca.
$20.74
).
Moreover,
material
provides
81.0
Ah/$
capacity,
exceeds
current
best
(70.0
Ah/$)
(48.2
Ah/$).
successful
implementation
this
pathway
will
promote
high‐energy‐density
materials.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(28)
Published: April 26, 2024
High-entropy
alloy
nanoparticles
(HEAs)
show
great
potential
in
emerging
electrocatalysis
due
to
their
combination
and
optimization
of
multiple
elements.
However,
synthesized
HEAs
often
exhibit
a
weak
interface
with
the
conductive
substrate,
hindering
applications
long-term
catalysis
energy
conversion.
Herein,
highly
active
durable
electrocatalyst
composed
quinary
(PtNiCoFeCu)
encapsulated
inside
activated
carbonized
wood
(ACW)
is
reported.
The
self-encapsulation
achieved
during
Joule
heating
synthesis
(2060
K,
2
s)
where
naturally
nucleate
at
defect
sites.
In
meantime,
catalyze
deposition
mobile
carbon
atoms
form
protective
few-layer
shell
rapid
quenching
process,
thus
remarkably
strengthening
stability
between
ACW.
As
result,
HEAs@ACW
shows
not
only
favorable
activity
an
overpotential
7
mV
10
mA
cm
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(19)
Published: Feb. 7, 2024
Solid
electrolyte
interface
(SEI)
is
arguably
the
most
important
concern
in
graphite
anodes,
which
determines
their
achievable
Coulombic
efficiency
(CE)
and
cycling
stability.
In
spent
there
are
already-formed
(yet
loose
and/or
broken)
SEIs
some
residual
active
lithium,
which,
if
can
be
inherited
regenerated
electrodes,
highly
desired
to
compensate
for
lithium
loss
due
SEI
formation.
However,
current
approaches
easily
destroy
thin
residue
making
reuse
impossible.
Herein,
this
work
reports
a
fast-heating
strategy
(e.g.,
1900
K
≈150
ms)
upcycle
degraded
via
instantly
converting
original
layer
(≈100
nm
thick)
compact
mostly
inorganic
one
(≈10-30
thick
with
26X
higher
Young's
Modulus)
still
retaining
activity
of
lithium.
Thanks
robust
enclosed
exhibited
104.7%
initial
CE
half-cell
gifted
full
cells
LiFePO
eScience,
Journal Year:
2024,
Volume and Issue:
4(4), P. 100253 - 100253
Published: March 5, 2024
In
response
to
the
current
energy
and
environmental
challenges,
reducing
or
replacing
reliance
on
fossil
fuels
striving
for
carbon
neutrality
seems
be
only
viable
choice.
Recently,
a
cutting-edge,
eco-friendly
method
of
chemical
synthesis
via
transient
Joule
heating
(JH)
demonstrated
significant
promise
across
various
domains,
including
methane
reforming,
ammonia
synthesis,
volatile
organic
compounds
removal,
plastic
recycling,
functional
materials
from
repurposed
solid
waste,
etc.
this
review,
advantages,
latest
developments
in
thermochemical
by
flash
JH
are
comprehensively
outlined.
Unlike
ongoing
process
conventional
furnaces
that
consume
fuels,
dynamic
can
get
significantly
higher
reaction
rates,
efficiency,
flexibility,
versatility.
Subsequently,
mechanism,
data
science
optimization,
scale-up
production
models
discussed,
prospects
integration
electrified
industry
with
renewable
long-term
storage
also
envisioned.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Advanced
electromagnetic
interference
(EMI)
shielding
materials
are
in
great
demand
because
of
the
severe
population
problem
caused
by
explosive
growth
advanced
electronics.
Besides
superior
EMI
properties,
mechanical
strength
is
also
critical
for
some
specific
application
scenarios
(e.g.,
cases
and
frames).
Although
most
reported
possess
good
properties
lightweight
characteristics,
they
usually
exhibit
a
poor
strength.
Concurrently,
multifunctionality
essential
material.
This
study
develops
molten-state-based
situ
reduction
strategy
to
fabricate
an
efficient
composite,
enabling
uniform
dispersion
Co-nanoparticles
on
carbon
form
matrix
while
featuring
high
density
defects.
ensures
composite
due
presence
huge
interface
significantly
enhances
performance.
The
achieves
optimal
effectiveness
32.6
dB
compressive
38.31
MPa,
respectively,
improved
65.4
123.4%
compared
pristine
foam.
Simultaneously,
exhibits
desirable
electrochemical
photothermal
conversion
properties.
research
offers
insights
into
design
composites
that
excel
shielding,
robustness,
multifunctionality.
