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Books > Professional & Technical > Electronics & communications engineering > Electronics engineering > Electronic devices & materials > Semi-conductors & super-conductors
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Applications of Electroactive Polymers (Hardcover, 1993 ed.)
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Applications of Electroactive Polymers (Hardcover, 1993 ed.)
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Electroactive polymers have been the object of increasing academic
and industrial interest and in the past ten to fifteen years
substantial progress has been achieved in the development and the
characterization of this important new class of conducting
materials. These materials are usually classified in two large
groups, according to the mode of their electric transport. One
group includes polymers having transport almost exclusively of the
ionic type and they are often called 'polymer electrolytes' or, in
a broader way, 'polymer ionics'. The other group includes polymeric
materials where the transport mechanism is mainly electronic in
nature and which are commonly termed 'conducting polymers'.
Ionically conducting polymers or polymer ionics may be typically
described as polar macromolecular solids in which one or more of a
wide range of salts has been dissolved. The most classic example is
the combina tion of poly(ethylene oxide), PEO, and lithium salts,
LiX. These PEO-LiX polymer ionics were first described and proposed
for applications just over ten years ago. The practical relevance
of these new materials was im mediately recognized and in the
course of a few years the field expanded tremendously with the
involvement of many academic and industrial lab oratories.
Following this diversified research activity, the ionic transport
mechanism in polymer ionics was soon established and this has led
to the development of new host polymers of various types, new salts
and advanced polymer architectures which have enabled room
temperature conductivity to be raised by several orders of
magnitude."
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