Proceedings of the NTUU “Igor Sikorsky KPI” Series Chemical engineering ecology and resource saving,
Год журнала:
2024,
Номер
4, С. 9 - 34
Опубликована: Дек. 26, 2024
The
subject
of
research
is
industrial
and
household
equipment
devices,
the
principle
operation
which
based
on
such
thermoelectric
phenomena
as
Seebeck
Peltier
effects.
purpose
a
critical
analysis
fields
practical
application
effects,
well
constructive
technological
design
processes
in
specified
effects
are
implemented
to
ensure
certain
thermal
regime,
generation
electrical
energy
from
waste
heat.
One
main
problems
today
global
warming,
environmental
pollution
increase
cost
electricity.
These
can
be
partially
solved
with
help
phenomena,
that
is,
physical
caused
by
relationship
between
electric
current
heat
flows
substances
contacts
them,
primarily
include
indisputable
advantages
means
their
safety,
quiet
long
service
life.
used
chemical
technology
related
industries,
renewable
energy,
construction,
machine
instrument
engineering,
aerospace
military
microelectronics,
computer
technology,
medicine,
personal
hygiene
appliances,
transportation.
However,
low
efficiency
high
materials
prevent
wide
spread
technology.
Wider
technologies
expected
case
development
new
conductive
different
levels
electrons
conduction
zone,
optimization
geometry
structure
devices.
Recently,
intensive
has
also
been
carried
out
so-called
ionic
effect,
opens
up
perspectives
use
"magnetic
thermoelectrics",
or
spin
effect.
This
review
useful
creators
because
fund
technical
widely
during
creation
innovative
samples,
an
integral
part
information
inventors
helps
them
create
simple,
effective
bright
solutions
problems.
ACS Applied Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 24, 2025
Band
alignment
(or
band
convergence)
is
a
strategy
suggested
to
provide
improvements
in
the
thermoelectric
power
factor
(PF)
of
materials
with
complex
bandstructures.
The
addition
more
bands
at
energy
region
that
contributes
transport
can
conducting
paths
and
could
improve
electrical
conductivity
PF
material.
However,
this
lead
increased
intervalley
scattering,
which
will
tend
degrade
conductivity.
Using
Boltzmann
equation
(BTE)
multiband
model,
we
theoretically
investigate
conditions
under
PF.
We
show
are
realized
when
intraband
scattering
between
aligned
dominates
over
interband
larger
reached
light
brought
into
alignment.
In
realistic
scenario
intra-
coexistence,
case,
possibilities
improvement
present
even
down
level
where
similar
strength.
For
heavy
alignment,
tolerance
weaker,
weaker
necessary
realize
improvements.
On
other
hand,
dominates,
it
not
possible
any
upon
irrespective
bringing
or
Overall,
valleys
need
be
as
electrically
compared
lower
base
interact
little
those.
ACS Omega,
Год журнала:
2025,
Номер
10(7), С. 6337 - 6350
Опубликована: Фев. 14, 2025
Wearable
thermoelectric
generators
are
sustainable
devices
that
generate
electricity
from
body
heat
to
provide
a
continuous
power
supply
for
electronic
devices.
In
healthcare,
they
particularly
valuable
powering
wireless
transmit
vital
health
signals,
where
maintaining
an
uninterrupted
source
is
significant
challenge.
However,
these
prone
failure
over
time
or
due
mechanical
damage
caused
by
stress
environmental
factors,
which
can
lead
the
loss
of
critical
healthcare
data.
To
address
issues,
integration
self-healing
capabilities
alongside
flexibility
and
longevity
essential
their
reliable
operation.
our
knowledge,
this
review
one
first
look
in
depth
at
materials
specifically
designed
wearable
generators.
It
explores
latest
innovations
applications
field
highlighting
how
improve
reliability
lifetime
such
systems.
