Interfacing High-Throughput Electrosynthesis and Mass Spectrometric Analysis of Azines
Analytical Chemistry,
Год журнала:
2024,
Номер
96(21), С. 8249 - 8253
Опубликована: Май 8, 2024
Combinatorial
electrochemistry
has
great
promise
for
accelerated
reaction
screening,
organic
synthesis,
and
catalysis.
Recently,
we
described
a
new
high-throughput
platform,
colloquially
named
"Legion".
Legion
fits
the
footprint
of
96-well
microtiter
plate
with
simultaneous
individual
control
over
all
96
electrochemical
cells.
Here,
demonstrate
versatility
when
coupled
mass
spectrometry
(MS)
electrosynthetic
product
screening
quantitation.
Electrosynthesis
benzophenone
azine
was
selected
as
model
arrayed
optimized
using
combination
nanoelectrospray
ionization
MS.
The
synthesis
analysis
via
MS
proves
compelling
strategy
accelerating
discovery
optimization
in
electro-organic
synthesis.
Язык: Английский
Tracing Iridium Dissolution Pathways in Proton Exchange Membrane Water Electrolyzers at Relevant Current Densities in Real Time
ChemElectroChem,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 12, 2025
Catalyst
dissolution
is
one
of
the
key
challenges
in
achieving
long‐term
performance
proton
exchange
membrane
water
electrolysis
with
low
iridium
loading.
However,
most
dissolved
catalyst
remains
catalyst‐coated
membrane,
inaccessible
for
operando
quantification.
While
simpler
aqueous
model
systems
improve
mechanistic
understanding,
rates
are
significantly
overestimated
compared
to
device
level.
To
bridge
this
gap,
herein,
an
electrochemical
half‐cell
setup
that
mimics
anode
layer
environment
enable
operation
at
relevant
current
densities
(>1
)
presented.
Dissolved
species
transported
through
porous
transport
or
separately
detected
by
coupling
inductively
coupled
plasma‐mass
spectrometry.
The
results
demonstrate
a
strong
preference
(99.9%)
and
decrease
stability
factor
10
high
densities.
Discrepancies
so
far
reported
findings
from
full‐cell
experiments
highlight
lack
understanding
transportation
different
systems.
presented
method
offers
unique
insights
which
will
help
study
optimize
means
various
manufacturing
parameters
ultimately
layers
electrolysis.
Язык: Английский
Electrospun Iridium-Based Nanofiber Catalysts for Oxygen Evolution Reaction: Influence of Calcination on Activity–Stability Relation
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 18, 2024
The
enhanced
utilization
of
noble
metal
catalysts
through
highly
porous
nanostructures
is
crucial
to
advancing
the
commercialization
prospects
proton
exchange
membrane
water
electrolysis
(PEMWE).
In
this
study,
hierarchically
structured
IrO
Язык: Английский
Key Aspects in Designing High-Throughput Workflows in Electrocatalysis Research: A Case Study on IrCo Mixed-Metal Oxides
ACS Materials Letters,
Год журнала:
2024,
Номер
6(11), С. 5103 - 5111
Опубликована: Окт. 15, 2024
With
the
growing
interest
of
electrochemical
community
in
high-throughput
(HT)
experimentation
as
a
powerful
tool
accelerating
materials
discovery,
implementation
HT
methodologies
and
design
workflows
has
gained
traction.
We
identify
6
aspects
essential
to
workflow
electrochemistry
beyond
ease
incorporation
methods
community's
research
assist
their
improvement.
study
IrCo
mixed-metal
oxides
(MMOs)
for
oxygen
evolution
reaction
(OER)
acidic
media
using
mentioned
provide
practical
example
possible
pitfalls
strategies
counteract
them.
Язык: Английский