Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 31, 2025
Abstract
The
fabrication
of
molecular
cluster‐based
intelligent
energy
storage
systems
remains
a
significant
challenge
due
to
the
intricacies
multifunctional
integration
at
level.
In
this
work,
low‐valent
metal
atoms
are
successfully
encapsulated
within
ɛ
‐type
Keggin
structures,
yielding
novel
cluster
denoted
as
CuMo
16
.
This
unique
structure
displayed
characteristic
“molybdenum
red”
coloration,
with
high
degree
reduction
(76.47%),
which
played
pivotal
role
in
enhancing
its
electrochemical
properties.
specialized
configuration
significantly
enhanced
multi‐proton‐coupled
electron
transfer
kinetics,
enabling
efficient
and
rapid
release,
up
thirteen
electrons
per
molecule.
To
construct
an
device,
is
employed
proton‐coupled
electron‐active
material
embedded
polyvinyl
alcohol
(PVA)
matrix,
resulting
flexible,
wearable,
rechargeable
devices.
flexible
electronics
not
only
demonstrate
real‐time
human
motion
detection
but
also
exhibit
remarkable
performance,
reaching
peak
capacity
194.19
mAh
g
−1
maintaining
68.2%
retention
after
2500
cycles.
Molecular
dynamics
simulations
reveal
that
integrating
enhances
performance
electronics,
regulation
content
provides
effective
strategy
for
optimizing
electronic
study
lays
foundation
development
systems.
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
12(19), С. 7318 - 7328
Опубликована: Апрель 30, 2024
Developing
carbon
felt
(CF)
electrodes
with
sufficient
mass
transfer
channels
and
highly
active
catalytic
interfaces
remains
a
great
challenge
for
high-rate
vanadium
flow
batteries
(VFBs).
Herein,
well-defined
3D
hierarchical
N-doped
nanotube
(NCNT)
network
is
designed
grown
onto
CF
via
facile
bottom-up
strategy,
which
features
high
bonding
strength,
controllable
growth
morphology,
tunable
electron
structure.
In
the
ZIF-67
arrays
as
both
precursors
catalysts
are
self-assembled
on
followed
by
decomposition
of
melamine
an
initiator
into
C
N
sources
controlled
NCNTs
during
pyrolysis.
By
precisely
regulating
microstructure
usage
amount
melamine,
NCNT-modified
composite
electrode
simultaneously
achieves
fast
transport,
performance
toward
VO2+/VO2+
V2+/V3+
redox
reactions.
Electrostatic
potential
calculations
further
indicate
that
dopants
alter
electronic
structure
CNTs
serve
preferential
sites
adsorption
ions
to
promote
kinetics.
Consequently,
battery
assembled
exhibits
impressive
energy
efficiency
76.6%
at
300
mA
cm–2
demonstrates
prolonged
stability
throughout
550
consecutive
charge–discharge
cycles
200
cm–2.
These
encouraging
achievements
shed
fresh
insights
synthesis
VFBs.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(36)
Опубликована: Июнь 19, 2024
Fluoroalkyl-grafted
polyoxometalate
nanoclusters
are
used
as
supramolecular
additives
to
precisely
modify
the
ionic
domains
of
Nafion,
which
can
increase
proton
conductivity
and
selectivity
simultaneously.
The
resulting
hybrid
membranes
show
significantly
enhanced
power
density
in
fuel
cells
improved
energy
efficiency
vanadium
flow
batteries.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 21, 2025
Abstract
Electrochemical
energy
storage
(EES)
demonstrates
significant
potential
for
large‐scale
applications
in
renewable
storage.
Among
these
systems,
vanadium
redox
flow
batteries
(VRFB)
have
garnered
considerable
attention
due
to
their
promising
prospects
widespread
utilization.
The
performance
and
economic
viability
of
VRFB
largely
depend
on
critical
components,
including
membranes,
electrodes,
electrolytes.
However,
as
the
fundamental
materials
ion
conduction,
often
struggle
effectively
balance
proton
transfer
while
preventing
crossover,
enhancing
long‐term
stability,
reducing
manufacturing
costs.
Additionally,
inherent
structural
limitations
surface
property
defects
electrode
significantly
impact
improvement
V
2+
/V
3+
electrochemical
reaction
kinetics
enhancement
power
density.
Furthermore,
composition
concentration
electrolyte
play
a
crucial
role
determining
cost
VRFB,
well
its
density
cycling
performance.
This
review
analyzes
summarizes
each
component,
reviews
evaluates
latest
research
advancements
material
modification,
optimization,
processes
components
over
past
5
years.
Moreover,
comprehensive
assessment
environmental
sustainability,
feasibility,
is
presented,
aiming
provide
strategic
guidance
commercialization
VRFB.
Next Energy,
Год журнала:
2023,
Номер
1(3), С. 100053 - 100053
Опубликована: Авг. 28, 2023
Redox
flow
batteries
(RFBs)
have
attracted
considerable
attention
in
recent
years
owing
to
their
promising
potential
for
large-scale
energy
storage,
particularly
integrating
intermittent
renewable
sources
and
enhancing
grid
stability.
The
ion
selective
membrane
conducts
charge
carriers
prevents
redox-active
species
from
crossing
over,
which
is
one
of
the
most
important
components
RFBs
has
significant
impacts
on
performance
lifespan
RFBs.
Herein,
we
discuss
developments
challenges
membranes,
including
exchange
ion-conducting
porous
membrane,
redox
battery
applications.
We
analyze
design
considerations
various
emerging
systems.
This
discussion
provides
insights
into
selection
batteries.
Dalton Transactions,
Год журнала:
2024,
Номер
53(15), С. 6488 - 6495
Опубликована: Янв. 1, 2024
This
Frontier
article
highlights
the
advancements
in
POM-based
reticular
materials
for
proton
conduction
and
offers
insights
into
future
development
of
advanced
conductors
emerging
technologies.
