Exploration,
Journal Year:
2023,
Volume and Issue:
4(1)
Published: Oct. 20, 2023
Abstract
Researchers
have
been
seeking
for
the
most
technically‐economical
water
electrolysis
technology
entering
next‐stage
of
industrial
amplification
large‐scale
green
hydrogen
production.
Various
membrane‐based
electrolyzers
developed
to
improve
electric‐efficiency,
reduce
use
precious
metals,
enhance
stability,
and
possibly
realize
direct
seawater
electrolysis.
While
electrode
engineering
is
key
approaching
these
goals
by
bridging
gap
between
catalysts
design
development,
nevertheless,
as
an
emerging
field,
has
not
yet
systematically
analyzed.
Herein,
this
review
organized
comprehensively
discuss
recent
progresses
that
made
toward
advanced
electrolyzers.
For
commercialized
or
near‐commercialized
membrane
electrolyzer
technologies,
material
principles
are
interpreted
interface
put
forward
catalytic
sites
utilization
metal
loading
summarized.
Given
pressing
issues
cost
reduction
efficiency
improvement,
structure
applying
free
electrocatalysts
highlighted
sufficient
accessible
within
thick
catalyst
layers
with
rational
architectures
effective
ions/mass
transport
interfaces
enabled.
In
addition,
also
discusses
innovative
ways
proposed
break
barriers
current
electrolyzers,
including
adjustments
reaction
environment,
feasible
cell‐voltage‐breakdown
strategies
durable
Hopefully,
may
provide
insightful
information
inspire
future
development
technologies
cost‐effective
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(16), P. 5652 - 5683
Published: Jan. 1, 2023
This
review
scrutinizes
recent
progress
in
PEMWE
system
including
mechanisms,
the
correlation
among
structure-composition–performance,
manufacturing,
design
and
operation
protocols.
The
challenges
perspectives
for
applications
are
proposed.
Journal of Materials Chemistry A,
Journal Year:
2022,
Volume and Issue:
11(3), P. 1116 - 1122
Published: Dec. 22, 2022
NiFeS
nanosheet
array
on
Ni
foam
(NiFeS/NF)
behaves
as
a
superb
bifunctional
electrocatalyst
for
overall
seawater
splitting,
attaining
commercially
demanded
current
density
of
500
mA
cm
−2
at
low
cell
voltage
1.85
V
with
robust
stability.
Nano-Micro Letters,
Journal Year:
2022,
Volume and Issue:
15(1)
Published: Dec. 20, 2022
In
the
era
of
5G
and
Internet
things
(IoTs),
various
human-computer
interaction
systems
based
on
integration
triboelectric
nanogenerators
(TENGs)
IoTs
technologies
demonstrate
feasibility
sustainable
self-powered
functional
systems.
The
rapid
development
intelligent
applications
TENGs
mainly
relies
supplying
harvested
mechanical
energy
from
surroundings
implementing
active
sensing,
which
have
greatly
changed
way
human
production
daily
life.
This
review
introduced
TENG
in
multidiscipline
scenarios
IoTs,
including
smart
agriculture,
industry,
city,
emergency
monitoring,
machine
learning-assisted
artificial
intelligence
applications.
challenges
future
research
directions
toward
also
been
proposed.
extensive
developments
will
push
forward
into
an
autonomy
fashion.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Aug. 23, 2023
The
sluggish
kinetics
of
oxygen
evolution
reaction
(OER)
and
high
iridium
loading
in
catalyst
coated
membrane
(CCM)
are
the
key
challenges
for
practical
proton
exchange
water
electrolyzer
(PEMWE).
Herein,
we
demonstrate
high-surface-area
nano-metal
diborides
as
promising
supports
iridium-based
OER
nanocatalysts
realizing
efficient,
low-iridium-loading
PEMWE.
Nano-metal
prepared
by
a
novel
disulphide-to-diboride
transition
route,
which
entropy
contribution
to
Gibbs
free
energy
generation
gaseous
sulfur-containing
products
plays
crucial
role.
diborides,
TaB2
particular,
investigated
support
IrO2
nanocatalysts,
finally
forms
TaOx/IrO2
heterojunction
catalytic
layer
on
surface.
Multiple
advantageous
properties
achieved
simultaneously
resulting
composite
material
(denoted
IrO2@TaB2),
including
electrical
conductivity,
improved
mass
activity
enhanced
corrosion
resistance.
As
consequence,
IrO2@TaB2
can
be
used
fabricate
electrode
with
low
0.15
mg
cm-2,
give
an
excellent
performance
(3.06
A
[email protected]
V@80
oC)
PEMWE-the
one
that
is
usually
inaccessible
unsupported
Ir-based
vast
majority
existing
supported
catalysts
at
such
loading.
Small,
Journal Year:
2022,
Volume and Issue:
18(52)
Published: Oct. 26, 2022
Abstract
With
the
development
of
renewable
energy
systems,
clean
hydrogen
is
burgeoning
as
an
optimal
alternative
to
fossil
fuels,
in
which
its
application
promising
retarding
global
and
environmental
crisis.
The
evolution
reaction
(HER),
capable
producing
high‐purity
rapidly
electrocatalytic
water
splitting,
has
received
much
attention.
Abundant
research
about
HER
been
done,
focusing
on
advanced
electrocatalyst
design
with
high
efficiency
robust
stability.
As
potential
catalysts,
metal
nanoclusters
(MNCs)
have
studied
extensively.
They
are
composed
several
a
hundred
atoms,
sizes
being
comparable
Fermi
wavelength
electrons,
that
is,
<
2.0
nm.
Different
from
atoms/nanoparticles,
they
exhibit
unique
catalytic
properties
due
their
quantum
size
effect
low‐coordination
environment.
In
this
review,
activity‐enhancing
approaches
MNCs
applied
electrocatalysis
mainly
summarized.
Furthermore,
recent
progress
classified
different
stabilization
strategies,
freestanding
MNCs,
organic,
carbon
supports,
introduced.
Finally,
current
challenges
deficiencies
these
for
prospected.
Small Structures,
Journal Year:
2022,
Volume and Issue:
4(6)
Published: Oct. 27, 2022
As
the
most
attractive
energy
carrier,
hydrogen
production
through
electrochemical
water
splitting
(EWS)
is
promising
for
resolving
serious
environmental
problems
derived
from
rapid
consumption
of
fossil
fuels
globally.
The
proton
exchange
membrane
electrolyzer
(PEMWE)
one
EWS
technologies
and
has
achieved
great
advancements.
To
offer
a
timely
reference
progress
PEMWE
system,
latest
advancements
developments
technology
are
systematically
reviewed.
key
components,
including
electrocatalysts,
PEM,
porous
transport
layer
(PTL)
as
well
bipolar
plate
(BPP),
first
introduced
discussed,
followed
by
electrode
assembly
cell
design.
highlights
put
on
design
electrocatalyst
relationship
each
component
performance
PEMWE.
Moreover,
current
challenges
future
perspectives
development
also
discussed.
There
hope
that
this
review
can
provide
directions
in
perspectives.
Inorganic Chemistry Frontiers,
Journal Year:
2022,
Volume and Issue:
9(24), P. 6602 - 6607
Published: Jan. 1, 2022
RuO
2
nanoparticles
decorated
TiO
nanobelt
on
titanium
plate
is
active
for
electrocatalytic
hydrogen
evolution,
requiring
overpotentials
of
130,
143,
and
380
mV
to
drive
100
mA
cm
−2
in
0.5
M
H
SO
4
,
1.0
KOH,
PBS
solution,
respectively.
Deleted Journal,
Journal Year:
2023,
Volume and Issue:
2, P. e9120056 - e9120056
Published: Feb. 25, 2023
Iridium
(Ir)-based
catalysts
are
highly
efficient
for
the
anodic
oxygen
evolution
reaction
(OER)
due
to
high
stability
and
anti-corrosion
ability
in
strong
acid
electrolyte.
Recently,
intensive
attention
has
been
directed
novel,
efficient,
low-cost
Ir-based
overcome
challenges
of
their
application
water
electrolysis
technique.
To
make
a
comprehensive
understanding
recently
developed
catalytic
properties,
mechanism
promotion
principles
were
discussed
OER
condition
aimed
proton
exchange
membrane
electrolyzer
(PEMWE)
this
review.
The
mechanisms
adsorbate
lattice
first
presented
easy
mechanism;
brief
perspective
analysis
from
aspects
geometric
effect,
electronic
synergistic
defect
engineering,
support
effect
was
concluded.
Then,
latest
progress
practical
introduced
detail,
which
classified
into
varied
composition
Ir
catalyst
terms
alloys,
hetero-element
doping,
perovskite,
pyrochlore,
heterostructure,
core–shell
structure,
supported
catalysts.
Finally,
problems
faced
by
current
acidic
electrolyte
put
forward.
It
is
concluded
that
with
low
loading
should
be
future,
paid
probing
structural
performance
correlation,
real
PEMWE
devices.Hopefully,
effort
can
helpful
catalysis
OER,
instructive
novel
design
fabrication.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(7)
Published: Sept. 14, 2023
Hydrogen
production
from
electrolytic
water
electrolysis
is
considered
a
viable
method
for
hydrogen
with
significant
social
value
due
to
its
clean
and
pollution-free
nature,
high
efficiency,
purity,
but
the
anode
oxygen
evolution
reaction
(OER)
process
complex
kinetically
slow.
Single-atom
catalysts
(SACs)
100%
atom
utilization
homogeneous
active
sites
often
exhibit
catalytic
activity
are
expected
be
extensively
applied.
The
performance
of
OER
can
further
improved
by
precise
regulation
structure
through
electronic
effects,
coordination
environment,
heteroatomic
doping,
so
on.
In
this
review,
mechanisms
under
different
conditions
introduced,
latest
research
progress
SACs
in
field
systematically
summarized,
then
effects
various
structural
strategies
on
discussed,
principles
ideas
design
proposed.
end,
outstanding
issues
current
challenges
summarized.