Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(19)
Published: March 15, 2024
Abstract
The
deposition–dissolution
mechanism
with
a
two‐electron
transfer
reaction
endows
aqueous
Zn–Mn
batteries
desirable
theoretical
energy
density.
However,
due
to
the
limited
solubility
of
traditional
manganese‐based
materials
and
competitive
Mn
shuttle
behavior,
practical
performance
is
unsatisfactory.
Herein,
by
synergistically
incorporating
novel
Mn‐rich
4
N
cathode
plasma
functionalized
carbon
nanotubes
film
(PCNT)
interlayer,
an
battery
high
Mn‐utilization
rate
energy/power
density
successfully
developed.
Specifically,
boasts
manganese
content
dissolution
activity,
thereby
offering
copious
supply
2+
ions
for
system.
PCNT
abundant
micropore
structures
functional
groups,
not
only
restrains
entrapping
dissolved
but
also
offers
sites,
ensuring
concentrating
on
cathodic
side
maximizing
their
contribution
electrochemical
reaction.
Consequently,
N‐PCNT
exhibits
low
polarization
voltage
superior
(64.8%).
Without
MnSO
additive,
achieves
ultra‐high
821.9
W
h
kg
−1
remarkable
long‐term
cycling
stability
(90%
capacity
retention
over
9000
cycles).
delightful
results
demonstrate
application
potential
open
up
new
avenues
rational
design
advanced
batteries.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(41)
Published: Sept. 1, 2023
Abstract
As
one
of
the
most
appealing
energy
storage
technologies,
aqueous
zinc‐iodine
batteries
still
suffer
severe
problems
such
as
low
density,
slow
iodine
conversion
kinetics,
and
polyiodide
shuttle.
This
review
summarizes
recent
development
Zn─I
2
with
a
focus
on
electrochemistry
underlying
working
mechanism.
Starting
from
fundamentals
batteries,
zinc
anode,
well
scientific
existing
in
are
introduced.
The
concrete
strategies
dealing
cathode,
electrolyte,
separator
challenges
confronting
elaborated
well.
To
deepen
understanding
important
findings
mechanism
different
summarized
detail.
Finally,
some
guidelines
directions
for
also
provided.
is
expected
to
battery
promote
their
practical
applications
future.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(10), P. 4877 - 4925
Published: Jan. 1, 2024
This
review
systematically
summarizes
various
redox
mechanisms
in
Zn-based
batteries
and
design
strategies
to
improve
their
electrochemical
performance,
which
provides
a
reference
for
future
development
of
high-performance
batteries.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(7)
Published: Jan. 9, 2024
Abstract
Rechargeable
aqueous
Zn/δ‐MnO
2
batteries
are
extensively
investigated
owing
to
the
low
cost,
safety
and
eco‐friendliness.
However,
charge
storage
mechanism
of
δ‐MnO
electrode
is
still
in
debate.
In
this
paper,
it
revealed
that
Zn
2+
intercalation
an
ion
exchange
process
rather
than
commonly‐conceived
electrochemical
for
first
time.
Before
discharge/charge
process,
irreversibly
intercalates
into
structure
.
The
ion‐exchange
mediated
irreversible
has
no
contribution
capacity
during
cycles.
This
study
further
reveals
H
+
intercalation/extraction,
electrodissolution
electrodissolution‐electrodeposition
vernadite
dominate
electrode.
These
findings
shed
new
light
on
fundamental
understanding
reaction
batteries.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(17)
Published: March 6, 2024
Abstract
Metal–organic
frameworks
(MOFs)
show
wide
application
as
the
cathode
of
aqueous
zinc‐ion
batteries
(AZIBs)
in
future
owning
to
their
high
porosity,
diverse
structures,
abundant
species,
and
controllable
morphology.
However,
low
energy
density
poor
cycling
stability
hinder
feasibility
practical
application.
Herein,
an
innovative
strategy
organic/inorganic
double
electroactive
sites
is
proposed
demonstrated
obtain
extra
capacity
enhance
a
manganese‐based
metal–organic
framework
(Mn‐MOF‐74).
Simultaneously,
its
storage
mechanism
systematically
investigated.
Moreover,
profiting
from
coordination
effect,
Mn‐MOF‐74
features
with
stable
structure
ZnSO
4
electrolyte.
Therefore,
Zn/Mn‐MOF‐74
exhibit
superior
stability.
This
work
aids
development
MOFs
AZIBs.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(10), P. 3629 - 3640
Published: Jan. 1, 2024
Bi
12.53
Mn
0.47
O
19.85
(BiO),
acting
as
a
metal
ion
reservoir,
can
supply
3+
to
R-MnO
2
in
situ
form
4
10
(BMO)
during
cycling,
resulting
dynamic
transformation
from
the
BiO/MnO
heterostructure
BMO/MnO
heterostructure.
