Applied Catalysis B Environment and Energy,
Journal Year:
2024,
Volume and Issue:
358, P. 124371 - 124371
Published: July 5, 2024
Advancing
zinc-air
battery
(ZAB)
technology
necessitates
the
development
of
air
cathode
electrocatalyst
systems
that
demonstrate
high
reactivity
and
stability.
We
introduce
a
novel
method
to
fabricate
robust
catalyst-support
hybrid.
This
hybrid
comprises
Co-doped
Pt
nanoparticles
(NPs)
anchored
on
metal
oxide
(Ex-PtCoWO)
nanofibers
(NFs),
synthesized
via
electrospinning
followed
by
selective
ex-solution.
Controlling
ex-solution
NPs
leads
highly
active
stable
oxygen
reduction
reaction
(ORR).
Moreover,
three-dimensional
CoWO4-x
NFs
network
enhances
surface
exposure
ex-solved
NPs,
thereby
aiding
both
provision
sites
for
evolution
(OER)
during
ZAB
recharge.
The
Ex-PtCoWO
NF
exhibits
an
ORR
half-wave
potential
0.89
V
OER
1.69
at
10
mA
cm−2
in
alkaline
media.
ZABs
utilizing
show
extended
cycle
life
over
240
h
with
reduced
charge-discharge
polarization,
compared
commercial
catalysts.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 11, 2024
Abstract
The
huge
consumption
of
alkali
during
biomass‐derived
porous
carbon
production
leads
to
pollution
and
high
carbon‐emission.
This
study
employs
the
concept
Fenton
chemistry
achieve
hierarchical
biomass
materials
with
a
remarkably
specific
surface
area
3440
m
2
g
−1
double
activation
efficiency
compared
traditional
process.
optimized
electrode
demonstrates
exceptional
capacitance
425.2
F
at
current
density
0.1
A
great
rate
performance
(286.1
100
)
in
6
KOH
electrolyte.
enabled
supercapacitor
remarkable
cycling
stability,
retaining
up
99.74%
its
initial
after
undergoing
20
000
charge–discharge
cycles.
In
addition,
electrolyte
ion
distribution
different
pore
structures
is
simulated
using
Molecular
Dynamics,
which
confirms
that
structure
conducive
rapid
diffusion
ions,
thus
matching
excellent
electrochemical
properties.
assembled
symmetric
supercapacitors
maximum
energy
42.1
Wh
kg
(12.1
based
on
cell
stack
mass)
TEABF
4
/AN
work
presents
an
effective
technique
for
formation
from
precursors.
novel
methodology
can
be
applied
many
other
similar
systems
storage
beyond.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(5), P. 1725 - 1755
Published: Jan. 1, 2024
This
article
summarizes
the
regulation
strategies
of
Fe-based
MOFs-derived
electrocatalysts
for
ZABs,
and
provides
a
prospect
their
future
development.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(33), P. 21651 - 21684
Published: Aug. 12, 2024
In
order
to
facilitate
electrochemical
oxygen
reactions
in
electrically
rechargeable
zinc-air
batteries
(ZABs),
there
is
a
need
develop
innovative
approaches
for
efficient
electrocatalysts.
Due
their
reliability,
high
energy
density,
material
abundance,
and
ecofriendliness,
ZABs
hold
promise
as
next-generation
storage
conversion
devices.
However,
the
large-scale
application
of
currently
hindered
by
slow
kinetics
reduction
reaction
(ORR)
evolution
(OER).
development
heterostructure-based
electrocatalysts
has
potential
surpass
limitations
imposed
intrinsic
properties
single
material.
This
Account
begins
with
an
explanation
configurations
fundamentals
electrochemistry
air
electrode.
Then,
we
summarize
recent
progress
respect
variety
heterostructures
that
exploit
bifunctional
electrocatalytic
overview
impact
on
ZAB
performance.
The
range
heterointerfacial
engineering
strategies
improving
ORR/OER
performance
includes
tailoring
surface
chemistry,
dimensionality
catalysts,
interfacial
charge
transfer,
mass
transport,
morphology.
We
highlight
multicomponent
design
take
these
features
into
account
create
advanced
highly
active
catalysts.
Finally,
discuss
challenges
future
perspectives
this
important
topic
aim
enhance
activity
batteries.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 30, 2024
Abstract
Oxygen
electrocatalysis,
as
the
pivotal
circle
of
many
green
energy
technologies,
sets
off
a
worldwide
research
boom
in
full
swing,
while
its
large
kinetic
obstacles
require
remarkable
catalysts
to
break
through.
Here,
based
on
summarizing
reaction
mechanisms
and
situ
characterizations,
structure–activity
relationships
oxygen
electrocatalysts
are
emphatically
overviewed,
including
influence
geometric
morphology
chemical
structures
electrocatalytic
performances.
Subsequently,
experimental/theoretical
is
combined
with
device
applications
comprehensively
summarize
cutting‐edge
according
various
material
categories.
Finally,
future
challenges
forecasted
from
perspective
catalyst
development
applications,
favoring
researchers
promote
industrialization
electrocatalysis
at
an
early
date.
Carbon Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
ABSTRACT
Carbon
electrocatalyst
materials
based
on
lignocellulosic
biomass
with
multi‐components,
various
dimensions,
high
carbon
content,
and
hierarchical
morphology
structures
have
gained
great
popularity
in
electrocatalytic
applications
recently.
Due
to
the
catalytic
deficiency
of
neutral
atoms,
usage
single
lignocellulosic‐based
electrocatalysis
involving
energy
storage
conversion
presents
unsatisfactory
applicability.
However,
atomic‐level
modulation
lignocellulose‐based
can
optimize
electronic
structures,
charge
separation,
transfer
processes,
so
forth,
which
results
substantially
enhanced
performance
carbon‐based
catalysts.
This
paper
reviews
recent
advances
rational
design
as
electrocatalysts
from
an
perspective,
such
self/external
heteroatom
doping
metal
modification.
Then,
through
systematic
discussion
principles
reaction
mechanisms
catalysts,
prepared
catalysts
rechargeable
batteries
are
reviewed.
Finally,
challenges
improving
prospects
diverse
review
contributes
synthesis
strategy
via
modulation,
turn
promotes
lignocellulose
valorization
for
conversion.
