Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(31)
Published: May 14, 2024
Coinage
metals
Cu,
Ag,
and
Au
are
essential
for
modern
electronics
their
recycling
from
waste
materials
is
becoming
increasingly
important
to
guarantee
the
security
of
supply.
Designing
new
sustainable
selective
procedures
that
would
substitute
currently
used
processes
crucial.
Here,
we
describe
an
unprecedented
approach
sequential
dissolution
single
mixtures
using
biomass-derived
ionic
solvents
green
oxidants.
First,
Cu
can
be
selectively
dissolved
in
presence
Ag
with
a
choline
chloride/urea/H
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(4), P. 2022 - 2055
Published: Jan. 1, 2024
Beyond
conventional
electrocatalyst
engineering,
recent
studies
have
unveiled
the
effectiveness
of
manipulating
local
reaction
environment
in
enhancing
performance
electrocatalytic
reactions.
The
general
principles
and
strategies
environmental
engineering
for
different
processes
been
extensively
investigated.
This
review
provides
a
critical
appraisal
advancements
aiming
to
comprehensively
assess
this
emerging
field.
It
presents
interactions
among
surface
structure,
ions
distribution
electric
field
relation
environment.
Useful
protocols
such
as
interfacial
reactant
concentration,
mass
transport
rate,
adsorption/desorption
behaviors,
binding
energy
are
in-depth
discussed
toward
modifying
Meanwhile,
electrode
physical
structures
cell
configurations
viable
optimization
methods
environments.
In
combination
with
Nature,
Journal Year:
2023,
Volume and Issue:
621(7978), P. 289 - 294
Published: Sept. 13, 2023
Abstract
Reaction
rates
at
spatially
heterogeneous,
unstable
interfaces
are
notoriously
difficult
to
quantify,
yet
essential
in
engineering
many
chemical
systems,
such
as
batteries
1
and
electrocatalysts
2
.
Experimental
characterizations
of
materials
by
operando
microscopy
produce
rich
image
datasets
3–6
,
but
data-driven
methods
learn
physics
from
these
images
still
lacking
because
the
complex
coupling
reaction
kinetics,
surface
chemistry
phase
separation
7
Here
we
show
that
heterogeneous
kinetics
can
be
learned
situ
scanning
transmission
X-ray
(STXM)
carbon-coated
lithium
iron
phosphate
(LFP)
nanoparticles.
Combining
a
large
dataset
STXM
with
thermodynamically
consistent
electrochemical
phase-field
model,
partial
differential
equation
(PDE)-constrained
optimization
uncertainty
quantification,
extract
free-energy
landscape
verify
their
consistency
theoretical
models.
We
also
simultaneously
spatial
heterogeneity
rate,
which
closely
matches
carbon-coating
thickness
profiles
obtained
through
Auger
electron
(AEM).
Across
180,000
pixels,
mean
discrepancy
model
is
remarkably
small
(<7%)
comparable
experimental
noise.
Our
results
open
possibility
learning
nonequilibrium
material
properties
beyond
reach
traditional
offer
new
non-destructive
technique
for
characterizing
optimizing
reactive
surfaces.
Journal of The Electrochemical Society,
Journal Year:
2024,
Volume and Issue:
171(5), P. 050510 - 050510
Published: April 25, 2024
Industry-standard
diagnostic
methods
for
rechargeable
batteries,
such
as
hybrid
pulse
power
characterization
(HPPC)
tests
electric
vehicles,
provide
some
indications
of
state
health
(SoH),
but
lack
a
physical
basis
to
guide
protocol
design
and
identify
degradation
mechanisms.
We
develop
physics-based
theoretical
framework
HPPC
tests,
which
are
able
accurately
determine
specific
mechanisms
battery
in
porous
electrode
simulations.
show
that
voltage
pulses
generally
preferable
current
pulses,
since
voltage-resolved
linearization
more
rapidly
quantifies
without
sacrificing
accuracy
or
allowing
significant
changes
during
the
measurement.
In
addition,
asymmetric
amounts
information
gain
between
charge
/discharge
found
from
differences
kinetic
scales.
demonstrate
our
approach
physics-informed
on
simulated
Li-ion
batteries
with
nickel-rich
cathodes
graphite
anodes.
Multivariable
optimization
by
determines
parameters
correlate
phenomena
at
anode,
solid-electrolyte
interphase
(SEI)
growth
lithium
plating,
well
cathode,
oxidation-induced
cation
disorder.
If
validated
experimentally,
standardized
protocols
could
play
pivotal
role
expediting
SoH
assessment
accelerating
materials
providing
new
electrochemical
features
interpretable
machine
learning
degradation.
Journal of Solid State Electrochemistry,
Journal Year:
2023,
Volume and Issue:
28(5), P. 1601 - 1606
Published: Aug. 30, 2023
Abstract
A
simple
Hamiltonian
Marcus-type
model
for
cation-coupled
electron
transfer
reactions
is
introduced,
and
an
expression
the
activation
energy
derived.
The
mathematically
similar
to
classical
Frumkin
correction.
explains
how
cations
lower
Volmer
reaction
in
alkaline
media
help
stabilizing
first
intermediate
electrochemical
CO
2
reduction.
second
part
of
paper
introduces
cation
effect
a
more
empirical
way
effective
rate
law
shows
coupling
local
pH
changes
corresponding
interfacial
concentration
leads
deviations
from
standard
Butler-Volmer
behavior
non-linear
Tafel
plots.
