Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(34)
Published: June 8, 2024
Abstract
The
anion
exchange
membrane
water
electrolysis
is
widely
regarded
as
the
next‐generation
technology
for
producing
green
hydrogen.
OH
−
conductivity
of
plays
a
key
role
in
practical
implementation
this
device.
Here,
we
present
series
Z−S‐x
membranes
with
dibenzothiophene
groups.
These
contain
sulfur‐enhanced
hydrogen
bond
networks
that
link
surrounding
surface
site
hopping
regions,
forming
continuous
conducting
highways.
Z−S‐20
has
high
through‐plane
182±28
mS
cm
−1
and
ultralong
stability
2650
h
KOH
solution
at
80
°C.
Based
on
rational
design,
achieved
PGM‐free
alkaline
performance
7.12
A
−2
2.0
V
flow
cell
demonstrated
durability
650
2
40
°C
voltage
increase
0.65
mV/h.
Energy & environment materials,
Journal Year:
2022,
Volume and Issue:
6(5)
Published: May 28, 2022
Electrochemical
water
splitting
represents
one
of
the
most
promising
technologies
to
produce
green
hydrogen,
which
can
help
realize
goal
achieving
carbon
neutrality.
While
substantial
efforts
on
a
laboratory
scale
have
been
made
for
understanding
fundamental
catalysis
and
developing
high‐performance
electrocatalysts
two
half‐reactions
involved
in
electrocatalysis,
much
less
attention
has
paid
doing
relevant
research
larger
scale.
For
example,
few
such
researches
done
an
industrial
Herein,
we
review
very
recent
endeavors
bridge
gaps
between
applications
electrolysis.
We
begin
by
introducing
fundamentals
electrochemical
then
present
comparisons
testing
protocol,
figure
merit,
catalyst
interest,
manufacturing
cost
industry‐based
water‐electrolysis
research.
Special
is
tracking
surface
reconstruction
process
identifying
real
catalytic
species
under
different
conditions,
highlight
significant
distinctions
corresponding
mechanisms.
Advances
designs
industry‐relevant
electrolysis
are
also
summarized,
reveal
progress
moving
practical
forward
accelerating
synergies
material
science
engineering.
Perspectives
challenges
electrocatalyst
design
strategies
proposed
finally
further
lab‐scale
large‐scale
electrocatalysis
applications.
ACS Catalysis,
Journal Year:
2023,
Volume and Issue:
13(4), P. 2313 - 2325
Published: Jan. 30, 2023
Single-atom
introduced
carbon
nanomaterials
show
favorable
oxygen-reduction
reaction
(ORR)
and
oxygen-evolution
(OER)
performance
for
renewable
energy
applications.
Nevertheless,
the
electronic-structure
regulation
by
decorating
heterogeneous
single-metal-atoms
engineering
of
a
single-atom
active-sites'
microenvironment
need
to
be
optimized
simultaneously,
which
is
challenging.
Herein,
we
develop
an
atomic-interfacial-regulation
approach
fabricate
dual
single
Fe/Co
atoms
synchronized
with
both
nitrogen/sulfur
on
defective/graphitic/porous
nanosheets
(Fe,Co/DSA-NSC).
The
unsymmetrically
organized
N
S
coordinated
bridged
atomic-sites
[Fe-(N2S)/Co-(N2S)
moiety]
are
established
prompt
charge-transfer,
lowering
barrier
oxygenated
reaction-intermediates
leading
boost
reaction-kinetics.
As
estimated,
Fe,Co/DSA-NSC
exhibits
improved
ORR/OER
activity
higher
half-wave
potential
lower
overpotential
(E1/2
=
879
mV
η10
210
mV,
respectively)
also
good
cycling
stability
toward
zinc-air
batteries.
This
discovery
hence
provides
widespread
scheme
synergistic-principles
dual-single-atom
catalysts
controlled
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(4), P. 1384 - 1430
Published: Jan. 1, 2023
This
review
presents
the
state-of-the-art
MEAs,
including
key
components
and
preparation
technologies.
Especially,
overall
design
strategies
of
MEAs
are
discussed
to
promote
high-performance
alkaline
water
electrolysis.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(46)
Published: July 4, 2023
Abstract
Rechargeable
sodium‐ion
batteries
(SIBs)
are
emerging
as
a
viable
alternative
to
lithium‐ion
battery
(LIB)
technology,
their
raw
materials
economical,
geographically
abundant
(unlike
lithium),
and
less
toxic.
The
matured
LIB
technology
contributes
significantly
digital
civilization,
from
mobile
electronic
devices
zero
electric‐vehicle
emissions.
However,
with
the
increasing
reliance
on
renewable
energy
sources
anticipated
integration
of
high‐energy‐density
into
grid,
concerns
have
arisen
regarding
sustainability
lithium
due
its
limited
availability
consequent
price
escalations.
In
this
context,
SIBs
gained
attention
potential
storage
alternative,
benefiting
abundance
sodium
sharing
electrochemical
characteristics
similar
LIBs.
Furthermore,
high‐entropy
chemistry
has
emerged
new
paradigm,
promising
enhance
density
accelerate
advancements
in
meet
growing
demands.
This
review
uncovers
fundamentals,
current
progress,
views
future
SIB
technologies,
discussion
focused
design
novel
materials.
crucial
factors,
such
morphology,
crystal
defects,
doping,
that
can
tune
electrochemistry,
which
should
inspire
young
researchers
identify
work
challenging
research
problems,
also
reviewed.
