<s>
Flexible	B-Algorithm
batteries	I-Algorithm
are	O
batteries	O
,	O
both	O
primary	O
and	O
secondary	O
,	O
that	O
are	O
designed	O
to	O
be	O
conformal	O
and	O
flexible	O
,	O
unlike	O
traditional	O
rigid	O
ones	O
.	O
</s>
<s>
The	O
increasing	O
interest	O
in	O
portable	O
and	O
flexible	O
electronics	O
has	O
led	O
to	O
the	O
development	O
of	O
flexible	B-Algorithm
batteries	I-Algorithm
which	O
can	O
be	O
implemented	O
in	O
products	O
such	O
as	O
smart	O
cards	O
,	O
wearable	B-Operating_System
electronics	I-Operating_System
,	O
novelty	O
packaging	O
,	O
flexible	B-Application
displays	I-Application
and	O
transdermal	O
drug	O
delivery	O
patches	O
.	O
</s>
<s>
The	O
advantages	O
of	O
flexible	B-Algorithm
batteries	I-Algorithm
are	O
their	O
conformability	O
,	O
light	O
weight	O
,	O
and	O
portability	O
,	O
which	O
makes	O
them	O
easy	O
to	O
be	O
implemented	O
in	O
products	O
such	O
as	O
flexible	O
and	O
wearable	B-Operating_System
electronics	I-Operating_System
.	O
</s>
<s>
Hence	O
efforts	O
are	O
underway	O
to	O
make	O
different	O
flexible	O
power	O
sources	O
including	O
primary	O
and	O
rechargeable	B-Architecture
batteries	I-Architecture
with	O
high	O
energy	O
density	O
and	O
good	O
flexibility	O
.	O
</s>
<s>
In	O
flexible	B-Algorithm
batteries	I-Algorithm
all	O
these	O
components	O
need	O
to	O
be	O
flexible	O
.	O
</s>
<s>
There	O
have	O
been	O
many	O
efforts	O
in	O
adapting	O
conventional	O
batteries	O
such	O
as	O
zinc-carbon	O
and	O
lithium	O
ion	O
,	O
and	O
at	O
the	O
same	O
time	O
new	O
materials	O
such	O
as	O
those	O
based	O
on	O
nanoparticle	O
complexes	O
are	O
being	O
developed	O
for	O
flexible	B-Algorithm
battery	I-Algorithm
and	O
supercapacitor	O
electrodes	O
.	O
</s>
<s>
This	O
recharges	B-Architecture
itself	O
when	O
exposed	O
to	O
light	O
.	O
</s>
<s>
Disposable	O
,	O
primary	O
flexible	O
primary	B-Algorithm
batteries	I-Algorithm
which	O
are	O
the	O
equivalent	O
of	O
AA	O
and	O
AAA	O
batteries	O
are	O
also	O
of	O
great	O
interest	O
with	O
applicability	O
in	O
smart	O
cards	O
,	O
medical	O
patches	O
,	O
greeting	O
cards	O
,	O
toys	O
,	O
and	O
disposable	O
devices	O
.	O
</s>
<s>
Advantages	O
of	O
primary	B-Algorithm
batteries	I-Algorithm
with	O
aqueous	O
electrolyte	O
over	O
lithium	O
ion	O
batteries	O
include	O
their	O
eco-friendliness	O
and	O
the	O
ease	O
of	O
fabrication	O
.	O
</s>
<s>
Manufacturers	O
of	O
zinc-based	O
flexible	O
disposable	B-Algorithm
batteries	I-Algorithm
include	O
Printed	O
Energy	O
(	O
Brisbane	O
,	O
QLD	O
,	O
AU	O
)	O
,	O
Blue	O
Spark	O
Technologies	O
(	O
Westlake	O
,	O
OH	O
,	O
US	O
)	O
,	O
FlexEl	O
(	O
College	O
Park	O
,	O
MD	O
,	O
US	O
)	O
,	O
Printechnologics	O
(	O
Chemnitz	O
,	O
Germany	O
)	O
,	O
etc	O
.	O
</s>
