ACS Sustainable Chemistry & Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 5, 2025
This
study
aims
to
systematically
evaluate
the
competition
between
oxygen
evolution
reaction
(OER)
and
glucose
oxidation
(GOR)
in
order
find
working
conditions
of
a
membrane-less
electrolyzer.
For
this
purpose,
H
electrochemical
cell
(H-cell)
has
been
used
isolate
cathodic
anodic
compartments.
In
latter,
situ
O2
measurements
were
performed
by
an
optical
sensor
during
different
kinds
experiments.
As
concentration
increased,
progressive
decrease
production
rate
was
observed
chronoamperometry
step
at
1.7
V
vs
RHE.
At
40
mM,
OER
can
be
entirely
replaced
on
Ni-based
catalyst.
On
other
hand,
onset
potentials
for
real
obtained
concentrations
maximize
electrocatalytic
activity
without
any
During
operation
electrolyzer
selected
conditions,
instead
O2,
added
value
chemicals
compartment
cell.
These
products
determined
1H
13C
NMR,
results
showed
that
formic
acid
main
product
after
46
h
electrolysis
experiment
(1.5
RHE).
Other
such
as
lactic
gluconic
also
identified.
The
innovative
experimental
approach
extended
organic
molecules,
catalysts.
Furthermore,
it
serves
starting
point
establish
roadmap
produce
hydrogen
products.
Global Challenges,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
Abstract
The
increasing
demand
for
energy
and
the
environmental
challenges
posed
by
fossil
fuel
consumption
prompts
exploration
of
clean
sustainable
solutions.
This
review
article
focuses
on
innovative
approach
generating
through
electrolysis
wastewater,
which
not
only
facilitates
production
but
also
aids
in
wastewater
treatment.
Significant
advancements
electrooxidation
processes
hydrogen
other
valuable
chemicals
are
highlighted.
specifically
analyzes
techno‐economic
aspects
small
molecules,
including
alcohol,
amine,
hydrazine,
iodine,
urea,
within
framework
Cost
estimations
value‐added
products
derived
from
oxidation
reactions
presented,
with
costs
calculated
at
$6.37,
$6.06,
$2.68,
$5.69,
$10.69
per
kilogram
H
2
,
respectively.
However,
associated
alcohol
urea
deemed
unfeasible.
An
analysis
profitability
reveals
that
amine
generate
revenue
profits
28%,
16%,
6%,
