ABSTRACT
This
study
proposes
a
system
to
store
waste
heat
as
liquid
hydrogen
using
proton
exchange
membrane
electrolyzer
(PEME)
and
mixed
refrigerant
liquefaction
cycle.
The
novelty
of
this
lies
in
proposing
recovery
that
stores
electricity
hydrogen,
consuming
less
power
due
the
improved
exergy
efficiency
components.
proposed
is
analyzed
achieve
better
terms
thermal
efficiencies.
Waste
used
generate
by
an
organic
Rankin
cycle
(ORC),
produced
utilized
PEME
unit
compressors
produce
liquefy
respectively.
Codes
are
written
EES
software
simulate
system.
Thermodynamic
analysis
done
order
for
model.
Membrane
potential
at
different
values
current
density
calculated
compared
with
validate
simulated
production
process
57%.
efficiency,
rate
ORC,
increase
significantly
increasing
isentropic
turbine.
At
temperature
340
K
evaporator,
ORC
obtained
8.5%,
which
approximately
3%
higher
previous
similar
process.
