ChemElectroChem,
Journal Year:
2024,
Volume and Issue:
12(3)
Published: Dec. 27, 2024
Abstract
In
an
era
where
renewable
energy
resources
are
pivotal
yet
plagued
by
variability,
vanadium‐cerium
(V‐Ce)
redox
flow
batteries
(RFBs)
present
a
sophisticated
solution
to
storage
and
grid
stability.
This
study
focuses
into
the
electrochemical
integration
of
cerium
with
vanadium
enhance
traditional
batteries′
density
cost‐effectiveness.
Through
innovative
design
that
allows
scalability
addresses
challenges
lower
inherent
in
RFBs,
V‐Ce
RFBs
demonstrate
potential
for
more
compact
efficient
systems.
this
work,
we
provide
open‐source
mono
cell
research.
Herein,
research
spotlights
characterization
Ce‐based
electrolytes,
employing
mixed
acid
electrolytes
improve
solubility.
For
improving
performance
including
diffusion
coefficients
electron
transfer
rates,
L–Leucine
L–Lysine
have
been
used
as
organic
additives.
Obtained
results
revealed
these
additives
not
only
influence
stability
efficiency
but
also
significantly
affect
charge‐discharge
properties
which,
L‐leucine
showing
superior
over
L‐lysine.
These
findings
propose
new
way
optimizing
large‐scale
regarding
efficiency,
safety,
environmental
impact.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 23, 2024
Aqueous
flow
batteries
(AFBs)
are
promising
long-duration
energy
storage
system
owing
to
intrinsic
safety,
inherent
scalability,
and
ultralong
cycle
life.
However,
due
the
thicker
(3-5
mm)
heavier
(300-600
g
m
Energies,
Journal Year:
2024,
Volume and Issue:
17(10), P. 2317 - 2317
Published: May 11, 2024
In
recent
years,
the
development
of
hydrogen
energy
has
been
widely
discussed,
particularly
in
combination
with
renewable
sources,
enabling
production
“green”
hydrogen.
With
significant
increase
wind
power
generation,
a
promising
solution
for
obtaining
green
is
wind-to-hydrogen
(W2H)
systems.
However,
high
proportion
and
electrolyzers
large-scale
W2H
system
will
bring
about
problem
consumption
frequency
stability
reduction.
This
paper
analyzes
operational
characteristics
economic
feasibility
mainstream
electrolyzers,
leading
to
proposal
coordinated
scheme
involving
both
proton
exchange
membrane
(PEM)
electrolyzer
an
alkaline
(ALK)
electrolyzer.
Subsequently,
control
based
on
Model
Predictive
Control
(MPC)
proposed
regulation
islanded
microgrid.
Finally,
simulation
results
demonstrate
that
under
PEM/ALK
not
only
flexibly
accommodates
fluctuating
but
also
maintains
face
large
disturbances.
Compared
traditional
all
ALK
deviation
this
reduced
by
25%,
time
shortened
80%,
demand
storage
(ESS)
reduced.
The
result
validates
effectiveness
MPC
benefits
scheme.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(6), P. 1219 - 1219
Published: March 8, 2025
Polysulfide-ferricyanide
redox
flow
batteries
(PFRFBs)
are
gaining
significant
attention
in
long-duration
energy
storage
for
their
abundant
availability
and
environmental
benignity.
However,
the
sluggish
kinetics
of
polysulfide
reactions
have
tremendously
constrained
performances.
To
address
this
issue,
we
developed
a
NiMoS
catalyst-modified
carbon
felt
(NiMoS-CF)
electrode,
which
significantly
accelerates
electrochemical
reaction
rates
enhances
cycling
stability
PFRFB.
Our
PFRFB
system,
integrated
with
NiMoS-CF
exhibited
an
efficiency
70%
voltage
87%,
remarkable
doubling
its
cycle
life
as
opposed
to
pristine
(CF)
electrode
at
current
density
40
mA
cm−2.
Notably,
during
2500
cycles
charge–discharge
testing,
achieved
average
coulombic
exceeding
99%.
These
improvements
performance
can
be
attributed
electrode’s
large
surface
area,
low
resistance,
robust
activity.
This
study
offerings
novel
approach
enhancing
PFRFBs,
laying
scientific
foundation
applications
practical
PFRFBs
next-generation
storage.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 16, 2025
Abstract
Aqueous
zinc‐based
semi‐solid
flow
batteries
(AZSSFBs)
are
promising
large‐scale
energy
storage
devices
due
to
their
low
cost
and
superior
safety.
The
formation
of
a
conductive
network
in
the
slurry
plays
an
important
role
capacity
active
materials
stability
suspension.
Meanwhile,
suspension
will
determine
cycle
life
AZSSFBs.
Herein,
metal‐organic‐framework‐derived
carbon‐coated
Mn
3
O
4
@C
composites
fabricated
dispersed
aqueous
electrolyte
construct
stable
3D
carbon
framework
by
combining
multi‐walled
nanotubes
(MWCNTs).
can
not
only
facilitate
rapid
electron
transportation,
but
also
enhance
slurry,
ensuring
conduction
for
fluidic
slurry.
Based
on
@C‐MWCNTs
AZSSFBs
display
enhanced
electrochemical
performance.
