Advanced Energy Materials,
Год журнала:
2023,
Номер
13(44)
Опубликована: Окт. 3, 2023
Abstract
Developing
electrode
materials
with
high
tap
density,
low
cost,
and
superior
performance
poses
a
formidable
challenge
in
electrochemistry.
The
impressive
exhibited
by
most
electrodes
comes
at
the
expense
of
density
severely
limiting
their
practical
applications.
Here,
combining
computational
experimental
results,
an
approach
for
rich
heterostructure
(Cu
2
S/Na
S
n
)
from
cheap
copper
smelting
slag
enabled
electrochemical
process
is
proposed,
reducing
diffusion
energy
barrier
0.82
to
0.28
eV
Na
+
,
as
well
delivering
impressively
3.32
g
cm
−3
.
Furthermore,
activation
that
irreversibly
generates
more
stable
Cu
after
first
charge
progress
parent
also
revealed
in/ex
situ
analytical
techniques.
As
expected,
assembled
sodium
ion
capacitors
(SICs)
achieve
(74.4
Wh
kg
−1
power
(20
000
W
outstanding
capacity
retention
81.5%
10
cycles,
over
76%
its
13.4
s,
which
surpasses
achieved
state‐of‐the‐art
SICs.
This
work
not
only
provides
novel
insights
into
conversion‐type
anodes
but
introduces
method
efficient
value‐added
utilization
slag.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(38)
Опубликована: Июль 7, 2022
Abstract
Interfacial
coupling
strategy
has
allured
extensive
attention
for
the
possibility
to
endow
active
electrode
materials
with
superior
performance.
However,
design
of
strong
engineering
interfacial
evolution
during
electrochemical
processes
is
very
challenging.
Herein,
inspired
by
powerful
robotic
arms
and
density
functional
theory
calculations,
multiple
groups
identified
intense
affinity
V
atom
are
successfully
grafted
on
carbon
nanotubes
(CNTs),
thereby
in
situ
building
robust
bonds
(VOC
VC)
tightly
anchor
VS
4
particles.
The
largely
decreased
band
gaps
energy
barriers
show
fortified
conductivity
‐CNT
heterostructure.
Besides,
spacial
confinement
effect
induced
linkages
substantively
enhances
mechanical
properties
inhibit
structural
collapse,
restrains
dissolution
polysulfides
as
verified
molecular
dynamics
simulations,
thus
prolonging
life
span.
Excellent
105.5
Wh
kg
–1
can
be
delivered
after
assembling
full
sodium‐ion
capacitors
(activated
carbon//VS
‐CNT).
Significantly,
reversible
confirmed
various
ex
characteristics
discharge/charge
hold
key
remarkable
sodium
storage
ability
prominent
initial
coulombic
efficiency.
More
impressively,
establish
synergistic
soft‐rigid
integrated
solid‐electrolyte
interphase
film,
which
conducive
elevating
performance
electrodes,
convincingly
constructing
advanced
capacitors.
Nano-Micro Letters,
Год журнала:
2022,
Номер
14(1)
Опубликована: Сен. 1, 2022
Abstract
Exploring
new
materials
with
high
stability
and
capacity
is
full
of
challenges
in
sustainable
energy
conversion
storage
systems.
Metal–organic
frameworks
(MOFs),
as
a
type
porous
material,
show
the
advantages
large
specific
surface
area,
porosity,
low
density,
adjustable
pore
size,
exhibiting
broad
application
prospect
field
electrocatalytic
reactions,
batteries,
particularly
supercapacitors.
This
comprehensive
review
outlines
recent
progress
synthetic
methods
electrochemical
performances
MOF
materials,
well
their
applications
Additionally,
superiorities
MOFs-related
are
highlighted,
while
major
or
opportunities
for
future
research
on
them
supercapacitors
have
been
discussed
displayed,
along
extensive
experimental
experiences.
Nano-Micro Letters,
Год журнала:
2022,
Номер
14(1)
Опубликована: Июль 21, 2022
Studies
have
found
that
oxygen-rich-containing
functional
groups
in
carbon-based
materials
can
be
used
as
active
sites
for
the
storage
performance
of
K+,
but
basic
mechanism
is
still
unclear.
Herein,
we
construct
and
optimize
3D
honeycomb-like
carbon
grafted
with
plentiful
COOH/C
=
O
(OFGC)
anodes
potassium
ion
batteries.
The
OFGC
electrode
steady
structure
rich
effectively
contribute
to
capacity
enhancement
formation
stable
solid
electrolyte
interphase
(SEI)
film,
achieving
a
high
reversible
230
mAh
g-1
at
3000
mA
after
10,000
cycles
(almost
no
decay)
an
ultra-long
cycle
time
over
18
months
100
g-1.
study
results
revealed
between
K+
by
forming
C-O-K
compounds.
Meanwhile,
situ
electrochemical
impedance
spectroscopy
proved
highly
rapid
de/intercalation
kinetics
electrode,
growth
process
SEI
films.
In
particular,
full
cells
assembled
Prussian
blue
cathode
exhibit
energy
density
113
Wh
kg-1
800
(calculated
total
mass
anode
cathode),
get
light-emitting
diodes
lamp
ear
thermometer
running.
Nano-Micro Letters,
Год журнала:
2022,
Номер
14(1)
Опубликована: Июнь 17, 2022
The
chemical
process
of
local
oxidation-partial
reduction-deep
coupling
for
stibnite
reduction
carbon
dots
(CDs)
is
revealed
by
in-situ
high-temperature
X-ray
diffraction.
Sb2S3@xCDs
anode
delivers
high
initial
coulombic
efficiency
in
lithium
ion
batteries
(85.2%)
and
sodium
(82.9%),
respectively.
C-S
bond
influenced
oxygen-rich
matrix
can
restrain
the
conversion
sulfur
to
sulfite,
well
confirmed
photoelectron
spectroscopy
characterization
solid
electrolyte
interphase
layers
helped
with
density
functional
theory
calculations.
CDs-induced
Sb-O-C
proved
effectively
regulate
interfacial
electronic
structure.
application
Sb2S3
marvelous
theoretical
capacity
alkali
metal-ion
seriously
limited
its
poor
electrical
conductivity
low
(ICE).
In
this
work,
natural
modified
(Sb2S3@xCDs)
elaborately
designed
ICE.
Greatly,
processes
CDs
are
clearly
demonstrated,
situ
More
impressively,
ICE
lithium-ion
(LIBs)
enhanced
85%,
through
effect
on
bonds
which
inhibit
supported
Not
than
less,
it
found
that
existed
interface
promote
expedite
transmission
reducing
bandgap
restraining
slip
dislocation.
As
a
result,
optimal
sample
tremendous
reversible
660
mAh
g-1
LIBs
at
current
rate
5
A
g-1.
This
work
provides
new
methodology
enhancing
electrochemical
energy
storage
performance
metal
sulfides,
especially
improving
Advanced Powder Materials,
Год журнала:
2022,
Номер
2(1), С. 100075 - 100075
Опубликована: Июль 31, 2022
The
ever-growing
demands
for
renewable
energy
sources
motivate
the
development
of
storage
systems.
Among
them,
supercapacitors
are
received
increasing
attention
due
to
their
high
power
density,
long
cycle
life,
fast
recharge
rate,
and
almost
no
maintenance.
Nevertheless,
application
is
hindered
by
severe
self-discharge
behaviors,
especially
in
wearable
devices.
In
recent
years,
tremendous
excellent
works
have
been
reported
conquer
this
shortcoming
through
various
creative
strategies.
Herein,
we
gives
a
timely
spotlight
on
breakthroughs
mechanism
investigations
corresponding
suppression
mechanisms
were
introduced
first,
followed
summary
strategies
from
materials
(i.e.,
electrode,
electrolyte,
separator)
system
protocol
optimization,
furthermore,
connection
between
existing
issues,
possible
directions
future
research
discussed.
Inorganic Chemistry Frontiers,
Год журнала:
2023,
Номер
10(20), С. 5908 - 5916
Опубликована: Янв. 1, 2023
P-doping
regulates
the
morphology
and
microscopic
characteristics
of
hard
carbon
microspheres
to
obtain
excellent
rate
cyclic
sodium
storage
performance.
This
study
provides
a
method
for
preparing
high-performance
P-doped
carbon.
ACS Nano,
Год журнала:
2024,
Номер
18(26), С. 16468 - 16488
Опубликована: Июнь 20, 2024
Sodium-ion
batteries
(SIBs)
have
significant
potential
for
applications
in
portable
electric
vehicles
and
intermittent
renewable
energy
storage
due
to
their
relatively
low
cost.
Currently,
hard
carbon
(HC)
materials
are
considered
commercially
viable
anode
SIBs
advantages,
including
larger
capacity,
cost,
operating
voltage,
inimitable
microstructure.
Among
these
materials,
biomass-derived
anodes
commonly
used
SIBs.
However,
the
reports
about
biomass
from
basic
research
industrial
very
rare.
In
this
paper,
we
focus
on
progress
of
following
perspectives:
(1)
sodium
mechanisms
carbon;
(2)
optimization
strategies
encompassing
design,
synthesis,
heteroatom
doping,
material
compounding,
electrolyte
modulation,
presodiation;
(3)
classification
different
based
precursor
source,
a
comparison
properties,
discussion
effects
sources
properties;
(4)
challenges
practical
SIBs;
(5)
an
overview
current
industrialization
anodes.
Finally,
present
challenges,
strategies,
prospects
future
development
materials.
ACS Nano,
Год журнала:
2024,
Номер
18(31), С. 19950 - 20000
Опубликована: Июль 29, 2024
On
the
basis
of
sustainable
concept,
organic
compounds
and
carbon
materials
both
mainly
composed
light
C
element
have
been
regarded
as
powerful
candidates
for
advanced
electrochemical
energy
storage
(EES)
systems,
due
to
theie
merits
low
cost,
eco-friendliness,
renewability,
structural
versatility.
It
is
investigated
that
carbonyl
functionality
most
common
constituent
part
serves
a
crucial
role,
which
manifests
respective
different
mechanisms
in
various
aspects
EES
systems.
Notably,
systematical
review
about
concept
progress
chemistry
beneficial
ensuring
in-depth
comprehending
functionality.
Hence,
comprehensive
has
summarized
based
on
state-of-the-art
developments.
Moreover,
working
principles
fundamental
properties
unit
discussed,
generalized
three
aspects,
including
redox
activity,
interaction
effect,
compensation
characteristic.
Meanwhile,
pivotal
characterization
technologies
also
illustrated
purposefully
studying
related
structure,
mechanism,
performance
profitably
understand
chemistry.
Finally,
current
challenges
promising
directions
are
concluded,
aiming
afford
significant
guidance
optimal
utilization
moiety
propel
practicality
