Chemical Physics Reviews,
Journal Year:
2023,
Volume and Issue:
4(2)
Published: May 22, 2023
Aqueous
manganese
(Mn)-based
batteries
are
promising
candidates
for
grid-scale
energy
storage
due
to
their
low-cost,
high
reversibility,
and
intrinsic
safety.
However,
further
development
is
impeded
by
controversial
reaction
mechanisms
low
density
with
unsatisfactory
cycling
stability.
Here,
we
summarized
various
types
of
emerging
aqueous
Mn-based
based
on
the
active
redox
couples,
including
liquid–solid
deposition/dissolution
reactions
Mn0/Mn2+
Mn2+/MnO2,
liquid–liquid
conversion
Mn2+/Mn3+
MnO42−/MnO4−,
solid–solid
intercalation
XMnOy/MnOy
(X:
cations)
oxide
as
host
materials.
A
critical
review
fundamental
understanding
physicochemical
properties
in
each
reaction,
scientific
challenges,
improvement
strategies
presented.
Finally,
perspectives
design
future
commercialization
highlighted.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(36), P. 20109 - 20120
Published: Sept. 1, 2023
Zn–Mn
batteries
with
two-electron
conversion
reactions
simultaneously
on
the
cathode
and
anode
harvest
a
high
voltage
plateau
energy
density.
However,
zinc
faces
dendrite
growth
parasitic
side
while
Mn2+/MnO2
reaction
involves
oxygen
evolution
possesses
poor
reversibility.
Herein,
novel
nanomicellar
electrolyte
using
methylurea
(Mu)
has
been
developed
that
can
encapsulate
ions
in
nanodomain
structure
to
guide
homogeneous
deposition
of
Zn2+/Mn2+
form
controlled
release
under
an
external
electric
field.
Consecutive
hydrogen
bonding
network
is
broken
favorable
local
system
established,
thus
inhibiting
water-splitting-derived
reactions.
Concomitantly,
solid–electrolyte
interface
protective
layer
situ
generated
Zn
anode,
further
circumventing
corrosion
issue
resulting
from
penetration
water
molecules.
The
reversibility
also
significantly
enhanced
by
regulating
interfacial
wettability
improving
nucleation
kinetics.
Accordingly,
modified
endows
symmetric
Zn∥Zn
cell
extended
cyclic
stability
800
h
suppressed
dendrites
at
areal
capacity
1
mAh
cm–2.
assembled
electrolytic
battery
demonstrates
exceptional
retention
nearly
100%
after
cycles
superior
density
Wh
kg–1
0.5
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(47)
Published: July 8, 2023
Abstract
Organic
cathodes
for
aqueous
zinc‐ion
batteries
(AZIBs)
feature
intrinsic
flexibility
and
favorable
kinetics,
but
they
suffer
from
high
solubility.
Herein,
a
partial
charge
regulation
strategy
is
deployed
by
designing
small
organic
molecule
with
extended
π
‐conjugated
plane,
namely
benzo[i]benzo[6′,7′]quinoxalino[2′,3′:9,10]phenanthro[4,5‐abc]phenazine‐5,10,16,21‐tetraone
(PTONQ).
The
equalization
of
active
sites
induced
the
plane
PTONQ
combined
aromaticity
renders
low
solubility,
fast
transfer,
structural
stability.
fabricated
Zn//PTONQ
battery
cycles
more
than
500
h
at
175
mA
g
−1
capacity
reduction,
charged/discharged
anti‐freeze
performance
(below
‐20°C).
By
series
ex
situ
characterizations,
it
attested
that
originates
mainly
Zn
2+
insertion/removal
without
H
+
incorporation,
which
also
accounts
formation
x
(CF
3
SO
)
y
(OH)
2x‐y
·nH
2
O
by‐products.
This
result
benefits
understanding
by‐product
mechanism
cathode
paves
new
way
to
advance
Zn‐organic
batteries.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(10), P. 3270 - 3306
Published: Jan. 1, 2024
QSSEs
are
emerging
in
aqueous
ZBs
and
modern
applications.
By
summarizing
the
fundamentals
of
materials
properties,
battery
performance
applications
QSSEs,
this
review
provides
insight
into
future
development
optimization
wider
application
fields.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 1, 2024
Abstract
Manganese
(Mn)
oxides
are
promising
cathode
materials
for
rechargeable
aqueous
Zn‐ion
batteries.
However,
the
Mn
dissolution
in
weakly
acidic
electrolytes
always
hinders
development
of
better
Zn–Mn
Herein,
a
hydroxylated
manganese
oxide
material
(H‐MnO
2
)
is
fabricated
using
an
electrochemical
method
stable
batteries
without
relying
on
2+
electrolyte
additives.
The
partial
hydroxylation
leads
to
charge
redistribution
material,
changing
reaction
thermodynamics
and
kinetics.
Theoretical
simulation
suggests
that
promotes
both
Zn
adsorption
diffusion
kinetics
surface
H‐MnO
but
weakens
interaction
between
H
+
electrode.
Therefore,
ions
can
be
more
reactive
with
than
ions.
Experimental
results
show
insertion
mechanism
dominates
storage
process
2,
‐induced
effectively
alleviated.
Importantly,
exhibits
good
cycling
stability
95%
capacity
retention
over
5000
cycles
at
current
density
3.8
A
g
−1
ZnSO
4
electrolyte,
outperforming
state‐of‐the‐art
batteries,
even
those
findings
provide
new
insights
designing
cathodes
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(7), P. 2521 - 2529
Published: Jan. 1, 2024
An
electron
transfer
bridge
based
on
Mn–NC–Co
interactions
is
applied
for
a
MnO
2
cathode
to
boost
its
reversible
two-electron
reaction
in
conventional
zinc
cells.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: July 20, 2024
Abstract
Electrochromic
(EC)
devices
represent
an
emerging
energy-saving
technology,
exhibiting
the
capability
to
dynamically
modulate
light
and
heat
transmittance.
Despite
their
promising
potential,
commercialization
of
EC
faces
substantial
impediments
such
as
high
cost,
intricate
fabrication
process,
low
optical
contrast
inherent
in
conventional
materials
relying
on
ion
insertion/extraction
mechanism.
In
this
study,
we
introduce
innovative
“electrode-free”
electrochromic
device,
termed
EECD,
which
lacks
EC-layer
electrodes
during
device
assembling
bleached
state.
This
features
a
simplified
process
delivers
superior
modulation.
It
achieves
ranging
from
68-85%
across
visible
spectrum
boasts
rapid
response
time,
reaching
90%
coloring
just
17
seconds.
addition,
EECD
exhibits
stable
cycling
for
over
10,000
cycles
without
noticeable
degradation
maintains
functionality
broad
temperature
range
(0
°C
50
°C).
Furthermore,
fabricated
large-area
(40
cm
×
40
cm)
demonstrate
excellent
tinting
uniformity,
suggesting
scalability
approach.
Our
study
establishes
paradigmatic
breakthrough
smart
windows.
