Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
63(1)
Опубликована: Ноя. 30, 2023
Development
of
efficient
and
easy-to-prepare
low-cost
oxygen
reaction
electrocatalysts
is
essential
for
widespread
application
rechargeable
Zn-air
batteries
(ZABs).
Herein,
we
mixed
NaCl
ZIF-8
by
simple
physical
milling
pyrolysis
to
obtain
a
metal-free
porous
electrocatalyst
doped
with
Cl
(mf-pClNC).
The
mf-pClNC
exhibits
good
reduction
(ORR)
activity
(E1/2
=0.91
V
vs.
RHE)
high
stability
in
alkaline
electrolyte,
exceeding
most
the
reported
transition
metal
carbon-based
being
comparable
commercial
Pt/C
electrocatalysts.
Likewise,
also
shows
state-of-the-art
ORR
acidic
electrolyte.
From
experimental
theoretical
calculations,
better
likely
originated
from
fact
that
introduced
promotes
increase
sp3
-hybridized
carbon,
while
carbon
together
modify
electronic
structure
N-adjacent
carbons,
as
active
sites,
molten-salt
etching
provides
abundant
paths
transport
electrons/protons.
Furthermore,
liquid
ZAB
using
cathode
fulfilling
performance
peak
power
density
276.88
mW
cm-2
.
Flexible
quasi-solid-state
constructed
an
exciting
both
at
low,
room
temperatures.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(17), С. 6139 - 6190
Опубликована: Янв. 1, 2023
Sustainable
zinc-air
batteries
(ZABs)
are
considered
promising
energy
storage
devices
owing
to
their
inherent
safety,
high
density,
wide
operating
temperature
window,
environmental
friendliness,
etc.,
showing
great
prospect
for
future
large-scale
applications.
Thus,
tremendous
efforts
have
been
devoted
addressing
the
critical
challenges
associated
with
sustainable
ZABs,
aiming
significantly
improve
efficiency
and
prolong
operation
lifespan.
The
growing
interest
in
ZABs
requires
in-depth
research
on
oxygen
electrocatalysts,
electrolytes,
Zn
anodes,
which
not
systematically
reviewed
date.
In
this
review,
fundamentals
of
electrocatalysts
air
cathodes,
physicochemical
properties
ZAB
issues
strategies
stabilization
anodes
summarized
from
perspective
fundamental
characteristics
design
principles.
Meanwhile,
significant
advances
situ/operando
characterization
highlighted
provide
insights
into
reaction
mechanism
dynamic
evolution
electrolyte|electrode
interface.
Finally,
several
thoughts
perspectives
provided
regarding
opportunities
ZABs.
Therefore,
review
provides
a
thorough
understanding
advanced
chemistry,
hoping
that
timely
comprehensive
can
shed
light
upcoming
horizons
prosperous
area.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(7), С. 2991 - 3001
Опубликована: Янв. 1, 2023
Laser-constructed
CuNi
alloy
electrodes
with
tandem
sites
of
Ni
provide
H*
and
Cu
for
NO
3
−
reduction,
achieving
ampere-level
reduction
high-performance
Zn–NO
batteries.
Advanced Materials,
Год журнала:
2023,
Номер
35(35)
Опубликована: Июнь 7, 2023
Ever-growing
demands
for
rechargeable
zinc-air
batteries
(ZABs)
call
efficient
bifunctional
electrocatalysts.
Among
various
electrocatalysts,
single
atom
catalysts
(SACs)
have
received
increasing
attention
due
to
the
merits
of
high
utilization,
structural
tunability,
and
remarkable
activity.
Rational
design
SACs
relies
heavily
on
an
in-depth
understanding
reaction
mechanisms,
especially
dynamic
evolution
under
electrochemical
conditions.
This
requires
a
systematic
study
in
mechanisms
replace
current
trial
error
modes.
Herein,
fundamental
oxygen
reduction
is
first
presented
combining
situ
and/or
operando
characterizations
theoretical
calculations.
By
highlighting
structure-performance
relationships,
rational
regulation
strategies
are
particularly
proposed
facilitate
SACs.
Furthermore,
future
perspectives
challenges
discussed.
review
provides
thorough
SACs,
which
expected
pave
avenue
exploring
optimum
effective
ZABs.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(10), С. 4877 - 4925
Опубликована: Янв. 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.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(49)
Опубликована: Окт. 24, 2023
Constructing
atom-clusters
(ACs)
with
in
situ
modulation
of
coordination
environment
and
simultaneously
hollowing
carbon
support
are
critical
yet
challenging
for
improving
electrocatalytic
efficiency
atomically
dispersed
catalysts
(ADCs).
Herein,
a
general
diffusion-controlled
strategy
based
on
spatial
confining
Kirkendall
effect
is
proposed
to
construct
metallic
ACs
N,P,S
triply-doped
hollow
matrix
(MACs
/NPS-HC,
M=Mn,
Fe,
Co,
Ni,
Cu).
Thereinto,
FeACs
/NPS-HC
the
best
catalytic
activity
oxygen
reduction
reaction
(ORR)
thoroughly
investigated.
Unlike
benchmark
sample
symmetrical
N-surrounded
iron
single-atoms
N-doped
(FeSAs
/N-C),
comprises
bi-/tri-atomic
Fe
centers
engineered
S/N
coordination.
Theoretical
calculation
reveals
that
proper
gathering
could
mildly
delocalize
electron
distribution
optimize
free
energy
pathways
ORR.
In
addition,
triple
doping
structure
further
regulate
local
allow
sufficient
exposure
active
sites,
resulting
more
enhanced
ORR
kinetics
/NPS-HC.
The
zinc-air
battery
assembled
as
cathodic
catalyst
exhibits
all-round
superiority
Pt/C
most
Fe-based
ADCs.
This
work
provides
an
exemplary
method
establishing
atomic-cluster
S-dominated
hollowed
matrix,
which
paves
new
avenue
fabrication
optimization
advanced
Advanced Materials,
Год журнала:
2023,
Номер
36(17)
Опубликована: Июль 27, 2023
Abstract
Manipulating
the
coordination
environment
and
electron
distribution
for
heterogeneous
catalysts
at
atomic
level
is
an
effective
strategy
to
improve
electrocatalytic
performance
but
remains
challenging.
Herein,
atomically
dispersed
Fe
Co
anchored
on
nitrogen,
phosphorus
co‐doped
carbon
hollow
nanorod
structures
(FeCo‐NPC)
are
rationally
designed
synthesized.
The
as‐prepared
FeCo‐NPC
catalyst
exhibits
significantly
boosted
kinetics
greatly
upshifts
half‐wave
potential
oxygen
reduction
reaction.
Furthermore,
when
utilized
as
cathode,
also
displays
excellent
zinc‐air
battery
performance.
Experimental
theoretical
results
demonstrate
that
introduction
of
single
atoms
with
Co‐N/P
around
isolated
induces
asymmetric
distribution,
resulting
in
suitable
adsorption/desorption
ability
intermediates
optimized
reaction
barrier,
thereby
improving
activity.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Фев. 29, 2024
Zinc-air
batteries
(ZABs)
are
gaining
attention
as
an
ideal
option
for
various
applications
requiring
high-capacity
batteries,
such
portable
electronics,
electric
vehicles,
and
renewable
energy
storage.
ZABs
offer
advantages
low
environmental
impact,
enhanced
safety
compared
to
Li-ion
cost-effectiveness
due
the
abundance
of
zinc.
However,
early
research
faced
challenges
parasitic
reactions
at
zinc
anode
slow
oxygen
redox
kinetics.
Recent
advancements
in
restructuring
anode,
utilizing
alternative
electrolytes,
developing
bifunctional
catalysts
have
significantly
improved
ZABs.
Scientists
achieved
battery
reversibility
over
thousands
cycles,
introduced
new
efficiency
records
surpassing
70%.
Despite
these
achievements,
there
related
lower
power
density,
shorter
lifespan,
air
electrode
corrosion
leading
performance
degradation.
This
review
paper
discusses
different
configurations,
reaction
mechanisms
electrically
mechanically
rechargeable
ZABs,
proposes
remedies
enhance
overall
performance.
The
also
explores
recent
advancements,
applications,
future
prospects
electrically/mechanically
Advanced Materials,
Год журнала:
2023,
Номер
unknown
Опубликована: Окт. 9, 2023
Abstract
Phase
transformation
of
cobalt
selenide
(CoSe
2
)
can
effectively
modulate
its
intrinsic
electrocatalytic
activity.
However,
enhancing
electroconductivity
and
catalytic
activity/stability
CoSe
still
remains
challenging.
Heterostructure
engineering
may
be
feasible
to
optimize
interfacial
properties
promote
the
kinetics
oxygen
electrocatalysis
on
a
‐based
catalyst.
Herein,
heterostructure
consisting
nitride
(CoN)
embedded
in
hollow
carbon
cage
is
designed
via
simultaneous
phase/interface
strategy.
Notably,
phase
transition
orthorhombic‐CoSe
cubic‐CoSe
(c‐CoSe
accompanied
by
situ
CoN
formation
realized
build
c‐CoSe
/CoN
heterointerface,
which
exhibits
excellent/highly
stable
activities
for
reduction/evolution
reactions
(ORR/OER).
local
coordination
environment
increase
Co‐Se/N
bond
lengths.
Theoretical
calculations
show
that
Co‐site
with
an
electronic
state
near
Fermi
energy
level
main
active
site
ORR/OER.Energetical
tailoring
d‐orbital
structure
Co
atom
incorporation
lowers
thermodynamic
barriers
ORR/OER.
Attractively,
zinc‐air
battery
‐CoN
cathode
displays
excellent
cycling
stability
(250
h)
charge/discharge
voltage
loss
(0.953/0.96
V).
It
highlights
heterointerface
provides
option
modulating
bifunctional
activity
metal
selenides
controlled
transformation.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(5), С. 1725 - 1755
Опубликована: Янв. 1, 2024
This
article
summarizes
the
regulation
strategies
of
Fe-based
MOFs-derived
electrocatalysts
for
ZABs,
and
provides
a
prospect
their
future
development.
Advanced Materials,
Год журнала:
2023,
Номер
36(13)
Опубликована: Окт. 12, 2023
The
air
electrode
is
an
essential
component
of
air-demanding
energy
storage/conversion
devices,
such
as
zinc-air
batteries
(ZABs)
and
hydrogen
fuel
cells
(HFCs),
which
determines
the
output
power
stability
devices.
Despite
atom-level
modulation
in
catalyst
design
being
recently
achieved,
electrodes
have
received
much
less
attention,
causing
a
stagnation
development
equipment.
Herein,
evolution
for
ZABs
HFCs
from
early
stages
to
current
requirements
reviewed.
In
addition,
operation
mechanism
corresponding
electrocatalytic
mechanisms
are
summarized.
particular,
by
clarifying
interfaces
at
different
scales,
several
approaches
improve
rechargeable
reviewed,
including
innovative
structures
bifunctional
oxygen
catalysts.
Afterward,
operating
proton-exchange-membrane
(PEMFCs)
anion-exchange-membrane
(AEMFCs)
explained.
Subsequently,
strategies
employed
enhance
efficiency
membrane
assembly
(MEA)
PEMFCs
AEMFCs,
respectively,
highlighted
discussed
detail.
Last,
prospects
considered
discussing
main
challenges.
aim
this
review
facilitate
industrialization
HFCs.