Manufacturing of Lithium Ion Battery Separator Based on Cladophora AlgaeCellulose
Separator has an important role as a separated between catoda and anoda so that in not happen short circuit in lithium ion battery. Separator aslo act as moving way of lithium ion battery form catoda to anoda and vice versa. Polyolefin is a material group of polymers that most using as ingredien...
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| Format: | Final Project |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/33506 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Separator has an important role as a separated between catoda and anoda so that
in not happen short circuit in lithium ion battery. Separator aslo act as moving way
of lithium ion battery form catoda to anoda and vice versa. Polyolefin is a material
group of polymers that most using as ingredient of battery separator because it has
high electrochemical stability. But thermal stability dan wettability characteristics
of polyolefin is low that caused separator don’t work optimally. Cellulose is an
alternative that could use as ingredient of lithium ion battery separator because it
has high thermal dan chemical stability properties, good wettability and safety to
environment. In this research, battery separator from cellulose of algae Cladophora
was made. The extraction of cellulose from algae Cladophora done with alkalisation
of NaOH 15% liquid, bleaching and hidrolysis of H2SO4 1M. Then cellulose powder
was made to battery separator by solution casting and done SEM, FTIR, XRD, TGA,
wettability and temperature stability testing. The results of testing was cellulose
separator has more 1?m size of porous, good wettability, higher thermal and
chemical stability than comercial separator celgard. From the result, cellulose of
algae Cladophora can use as alternative ingredient of battery separator making.
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