Abstract
Owing to their extraordinary properties of π-conjugated polymers (π-CPs), such as light weight, structural versatility, ease of synthesis and environmentally friendly nature, they have attracted considerable attention as electrode material for metal-ion batteries (MIBs) and supercapacitors (SCPs). Recently, researchers have focused on developing nanostructured π-CPs and their composites with metal oxides and carbon-based materials to enhance the energy density and capacitive performance of MIBs and SCPs. Also, the researchers recently demonstrated various novel strategies to combine high electrical conductivity and high redox activity of different π-CPs. To reflect this fact, the present review investigates the current advancements in the synthesis of nanostructured π-CPs and their composites. Further, this review explores the recent development in different methods for the fabrication and design of π-CPs electrodes for MIBs and SCPs. In review, finally, the future prospects and challenges of π-CPs as an electrode materials for strategies for MIBs and SCPs are also presented.
Highlights
The ever increasing energy demands and depletion of fossil fuel highlighted the requirements of energy production from renewable energy resources
The SCPs are promising and mature electrochemical energy storage technologies owing to their outstanding qualities such as low cost, moderate energy density, high specific capacitance, high retention in capacitance and environmentally friendly nature [9]
To enlighten the recent progress and advancement in electrode materials, in the present review, we comprehensively reviewed the special categories of organic material, i.e. π-conjugated polymers (π-CPs) as electrode material for versatile energy storage system (ESS)
Summary
The ever increasing energy demands and depletion of fossil fuel highlighted the requirements of energy production from renewable energy resources. High energy density, low cost, environmentally friendly and sustainable electrical energy storage system (ESS) 2 [1,2,3,4]. The π-CPs have many attracting properties towards energy storage applications, which include high electrical conductivity, cost-effective, light weight and environmentally friendly in nature [19,20]. Due to the high polymeric (long chain) nature and low cost of the π-CPs, has a very high demand as electrode material in flexible ESS Such flexible ESS are used in wearable devices such as light weight and high-energy density ESSs in flexible electronics, laptops, mobile phones, etc.
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