ACS Catalysis,
Год журнала:
2024,
Номер
14(14), С. 10635 - 10647
Опубликована: Июнь 30, 2024
High-temperature
sintering
is
critical
for
efficient
hematite
photoanodes
in
terms
of
improving
the
crystallinity
and
minimizing
deficiencies.
However,
prolonged
conventional
furnace
annealing
requires
high
energy
consumption
simultaneously
results
serious
damage
to
transparent
conducting
oxide
(TCO)
substrate.
This
work
demonstrates
a
universal
wet-interfacial
Joule
heating
strategy
rapidly
synthesizing
high-performance
metastable
protohematite
photoanodes,
which
greatly
decreases
power
causes
less
TCO
substrate
by
shortening
time
∼90
s.
More
importantly,
phase
was
found
effectively
facilitate
charge
dynamics
bulk
surface
as-resulting
photoanode
increasing
donor
density
lowering
oxygen
evolution
reaction
overpotential
via
offering
dual
active
sites
(lattice
Fe
sites).
Moreover,
this
could
be
well
coupled
with
commonly
used
Ti-treatment
achieve
further
performance
enhancement
also
shows
feasibility
fabricating
TiO2
BiVO4
photoanodes.
study
opens
facile,
rapid,
reliable
approach
metal
contributing
development
photoelectrochemical
water
splitting.
ACS Energy Letters,
Год журнала:
2023,
Номер
8(7), С. 3005 - 3012
Опубликована: Июнь 14, 2023
Recycling
of
spent
lithium-ion
batteries
is
essential
for
the
sustainable
development
renewable
energy
technologies,
as
it
promotes
resource
reuse
and
environmental
protection.
cathode
materials
particularly
important
due
to
their
high
concentration
strategic
elements.
However,
traditional
recycling
methods
are
often
inefficient
consumption
prolonged
operation
time.
Here,
we
present
an
efficient,
one-step,
nondestructive
method
regenerating
LiCoO2
cathodes
within
seconds.
This
simultaneously
achieves
relithiation
material
repair
crystal
structure
through
rapid
Joule
heating.
Compared
methods,
this
process
exhibits
low
shortened
After
8
s
process,
regenerated
has
a
well-defined
layered
restored
its
original
electrochemical
performance,
with
initial
discharge
capacity
133.0
mAh/g
good
cycling
performance.
work
represents
potentially
universal
approach
efficient
direct
regeneration
materials.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(37)
Опубликована: Авг. 17, 2023
Abstract
NASICON‐structured
solid‐state
electrolytes
(SSEs)
are
highly
promising
materials
for
sodium
metal
batteries
(NaSMBs).
However,
the
current
synthesis
methods
often
labor‐intensive
and
inefficient,
consuming
a
significant
amount
of
energy
time.
Here,
an
ultrafast
high‐temperature
(UHS)
technique
is
successfully
demonstrated
to
directly
synthesize
NASICON‐type
SSEs
from
mixed
precursor
powders,
reducing
time
hours
merely
seconds.
The
intermediate
with
Na
3
PO
4
structure
plays
critical
role
in
rapid
SSEs,
ultimately
leading
formation
final
NASICON
phase.
Moreover,
UHS‐synthesizes
3.3
Zr
1.7
Lu
0.3
Si
2
12
(NZLSP)
exhibits
high
room
temperature
ionic
conductivity
7.7
×
10
−4
S
cm
−1
,
approximately
three
times
that
undoped
(NZSP).
Na|NZLSP|Na
symmetric
cell
can
sustain
stable
cycling
over
4800
h.
This
study
provides
novel
insight
validation
precise
targeted
complex
oxide
electrolytes.
Chemical Science,
Год журнала:
2024,
Номер
15(29), С. 11229 - 11266
Опубликована: Янв. 1, 2024
This
paper
reviews
advancements
in
flexible
carbon-based
and
polymer
gel
materials
for
various
types
of
energy
storage
systems,
providing
guidance
future
development
next-generation
wearable
electronics.
Journal of Materials Chemistry A,
Год журнала:
2023,
Номер
11(43), С. 23360 - 23369
Опубликована: Янв. 1, 2023
A
porous,
robust,
and
thermally
stable
hybrid
separator
was
developed
to
solve
the
dilemma
between
desired
pore
structures
mechanical
properties
in
polyimide
separators
by
introducing
decabromodiphenyl
ethane
cellulose
nanofibers.
Advanced Functional Materials,
Год журнала:
2023,
Номер
34(6)
Опубликована: Окт. 29, 2023
Abstract
Pt‐based
intermetallics
are
recognized
as
effective
catalysts
for
oxygen
reduction
reaction
(ORR)
in
fuel
cells.
However,
the
synthesis
of
often
requires
prolonged
annealing
and
effect
different
crystal
structures
on
ORR
still
need
to
be
investigated.
Herein,
L1
2
‐Pt
3
Mn
0
‐PtMn
with
Pt‐skin
rapidly
synthesized
through
an
emerging
periodic
carbothermal
shock
method
investigate
their
ORR‐activity
difference.
The
formation
can
well‐controlled
by
Pt/Mn
feeding
ratio,
pulse
cycles,
temperature.
Electrocatalytic
investigations
show
that
presents
a
more
positive
half‐wave
potential
(0.91
V
vs
RHE)
onset
(1.02
than
those
‐PtMn.
mass
activity
specific
respectively
fourfold
threefold
greater
Theoretical
calculations
indicate
has
substantial
work
function
‐PtMn,
thereby
conferring
increased
electron
density
allocation
catalytic
involvement.
This
confinement
imparts
Pt
d‐band
center
lower
consequently
attenuating
adsorption
strongly
bonded
*O
intermediates
during
rate‐determining
step.
study
not
only
employs
straightforward
intermetallic
preparation
but
also
elucidates
discrepancies
across
distinct
structures.
