Binder-free organic cathode based on nitroxide radical polymer-functionalized carbon nanotubes and gel polymer electrolyte for high-performance sodium organic polymer batteries

Kim, Hyun Woo; Kim, Hye-Jung; Byeon, Huimyoung; Kim, Jeha; Yang, Jung Woon; Kim, Young‐Sik; Kim, Jae Kwang

doi:10.1039/d0ta04526h

Cited by 31 publications

(16 citation statements)

References 39 publications

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“…Despite the progress in specific capacity, a major drawback of these radical polymers as electrode materials is their low electrical conductivity; therefore, highly conductive additives (∼50%) and binders (∼10%) are usually needed, which decrease the overall capacity of the battery. Although the electrodes can be optimized by engineering the composites, such as wrapping PTMA on the SWCNT, − the low conductivity problem of both non-conjugated and conjugated radical polymers has not been resolved in full. ,,,, As such, intrinsically conductive non-conjugated radical polymers (e.g., PTEO) may be more promising . In fact, only 30% of conductive agents were required to achieve a power density of more than 500 W h kg –1 when PTEO was employed .…”

Section: Applications In Electronic and Spintronic Devicesmentioning

confidence: 99%

Electronic and Spintronic Open-Shell Macromolecules,Quo Vadis?

et al. 2022

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Open-shell macromolecules (i.e., polymers containing radical sites either along their backbones or at the pendant sites of repeat units) have attracted significant attention owing to their intriguing chemical and physical (e.g., redox, optoelectronic, and magnetic) properties, and they have been proposed and/or implemented in a wide range of potential applications (e.g., energy storage devices, electronic systems, and spintronic modules). These successes span multiple disciplines that range from advanced macromolecular chemistry through nanoscale structural characterization and on to next-generation solid-state physics and the associated devices. In turn, this has allowed different scientific communities to expand the palette of radical-containing polymers relatively quickly. However, critical gaps remain on many fronts, especially regarding the elucidation of key structure−property− function relationships that govern the underlying electrochemical, optoelectronic, and spin phenomena in these materials systems. Here, we highlight vital developments in the history of open-shell macromolecules to explain the current state of the art in the field. Moreover, we provide a critical review of the successes and bring forward open opportunities that, if solved, could propel this class of materials in a meaningful manner. Finally, we provide an outlook to address where it seems most likely that open-shell macromolecules will go in the coming years. Our considered view is that the future of radical-containing polymers is extremely bright and the addition of talented researchers with diverse skills to the field will allow these materials and their end-use devices to have a positive impact on the global science and technology enterprise in a relatively rapid manner.

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Section: Applications In Electronic and Spintronic Devicesmentioning

confidence: 99%

Electronic and Spintronic Open-Shell Macromolecules,Quo Vadis?

et al. 2022

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“…Using an electrospinning technique, PI membranes with a porous 3D network structure can be obtained, which show a high liquid absorption capability and a good mechanical property when used as the matrix of GPEs. 355 Organic batteries using the PIbased GPE and the CNTs-modified organic electrode realized excellent cycling stability and high rate performance. Recently, Li et al 356 designed a multifunctional GPE with molecular sieving and charge repulsion, which was fabricated via Nafioninitiated in situ ring opening polymerization of the DOL solvent in electrolytes (Figure 25d).…”

Section: Gel Polymer Electrolytesmentioning

confidence: 99%

Electrolytes in Organic Batteries

et al. 2023

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Organic batteries using redox-active polymers and small organic compounds have become promising candidates for next-generation energy storage devices due to the abundance, environmental benignity, and diverse nature of organic resources. To date, tremendous research efforts have been devoted to developing advanced organic electrode materials and understanding the material structure–performance correlation in organic batteries. In contrast, less attention was paid to the correlation between electrolyte structure and battery performance, despite the critical roles of electrolytes for the dissolution of organic electrode materials, the formation of the electrode–electrolyte interphase, and the solvation/desolvation of charge carriers. In this review, we discuss the prospects and challenges of organic batteries with an emphasis on electrolytes. The differences between organic and inorganic batteries in terms of electrolyte property requirements and charge storage mechanisms are elucidated. To provide a comprehensive and thorough overview of the electrolyte development in organic batteries, the electrolytes are divided into four categories including organic liquid electrolytes, aqueous electrolytes, inorganic solid electrolytes, and polymer-based electrolytes, to introduce different components, concentrations, additives, and applications in various organic batteries with different charge carriers, interphases, and separators. The perspectives and outlook for the future development of advanced electrolytes are also discussed to provide a guidance for the electrolyte design and optimization in organic batteries. We believe that this review will stimulate an in-depth study of electrolytes and accelerate the commercialization of organic batteries.

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“…Most inorganic compound CDI electrode materials have problems such as structural damage and material dissolution during the cyclic desalination process, which limit their development. [273][274][275][276][277][278][279] However, due to the diversity of the structure, the versatility of the surface and the good cycle stability, researchers have learned more about polymer-based CDI electrode materials 45,153,[274][275][276][277][278][279] (Fig. 11a and b).…”

Section: Polymer-based Electrode Materialsmentioning

confidence: 99%