Abstract
Excellent cyclability of polyimide–polyether block copolymers used as cathode materials in lithium batteries was demonstrated.
Highlights
Electrochemical energy storage is still gaining interest due to the increasing demand for energy management in our daily life.[1]
We investigated the effect of the chemical nature of the imide and the length of the oligoether segment, the morphology of the block copolymers and its performance as cathode in polymer/lithium batteries
Using a similar synthetic pathway, polyimides–polyether multiblock copolymers were synthesized by a polycondensation reaction of stoichiometric quantities of diamine (PEO600, PEO900, PEO2000) and dianhydride
Summary
Electrochemical energy storage is still gaining interest due to the increasing demand for energy management in our daily life.[1] Nowadays, research is focusing on green, sustainable and safe battery systems, taking into account life cycle, abundance of raw materials and electrode recycling.[2] Among several types of batteries, lithium batteries have become powerful because of their high energy density, long cycle life and high efficiency.[3,4] Currently, lithium-ion batteries are based on inorganic oxides as cathodes. As an alternative to inorganic oxides, organic molecules are being investigated as potential candidates for lithium batteries. Some of their advantages are the abundant resources as well as the feasibility of incorporation functional groups leading to tunable redox properties.[5,6,8,9] drawbacks of using
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