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Design and Development of Advanced Electrode Materials for Li-ion and Zn-ion Batteries = = Mise en Forme et Developpement de Materiaux D'electrodes Pour Batteries Li-ion et Zn-ion /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Design and Development of Advanced Electrode Materials for Li-ion and Zn-ion Batteries =/ Edith Roex.
Reminder of title:	Mise en Forme et Developpement de Materiaux D'electrodes Pour Batteries Li-ion et Zn-ion /
Author:	Roex, Edith,
Description:	1 electronic resource (191 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 86-05, Section: A.
Contained By:	Dissertations Abstracts International86-05A.
Subject:	Carbon black. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31685122
ISBN:	9798346506256

Design and Development of Advanced Electrode Materials for Li-ion and Zn-ion Batteries = = Mise en Forme et Developpement de Materiaux D'electrodes Pour Batteries Li-ion et Zn-ion /
Roex, Edith,

Design and Development of Advanced Electrode Materials for Li-ion and Zn-ion Batteries =Mise en Forme et Developpement de Materiaux D'electrodes Pour Batteries Li-ion et Zn-ion /Edith Roex. - 1 electronic resource (191 pages)

Source: Dissertations Abstracts International, Volume: 86-05, Section: A.

Global energy demand is rapidly increasing and is projected to double by 2050, creating a need for reliable electricity supply and efficient energy storage systems. Renewable energies like solar and wind are promising but require effective storage solutions to manage intermittency. Lithium-ion batteries (LIBs) are popular thanks to their high energy density and long cycle life but face challenges in cost, material availability, and safety. Rechargeable aqueous zinc-ion batteries (ZIBs) are emerging as a promising alternative for grid storage applications. This thesis explores both LIBs and ZIBs to address energy storage needs for various applications.The first part of this work focuses on developing and designing new anode materials for LIBs. Novel organopalladium complexes are investigated, with the iodo-organopalladium complex showing the highest specific capacity and excellent cycling stability. The structural and morphological properties were examined by combining several characterization techniques: NMR, XRD, SEM, and TEM. The particles morphology of the iodoorganopalladium complex is then optimized using the double emulsion-evaporation technique to enhance its electrochemical performance.The second part of this thesis shifts to aqueous zinc-ion batteries, emphasizing the need for stable and efficient cathode active materials. Vanadium pentoxide (V2O5) is identified as a promising candidate but faces challenges like vanadium dissolution, low electronic conductivity, structural collapse, and volume changes caused by Zn2+ insertion/extraction during cycling. Therefore, in this work, we investigate several solutions to address these issues and enhance the cathode material performance. V2O5 microspheres are first produced via a spray-drying process. A comparative analysis of spray-dried V2O5, spray-dried V2O5/xCNTs composites, and commercial V2O5 highlights the benefits of morphological design and carbon nanotubes addition in enhancing the electrochemical performance of V2O5 as cathode material for zinc-ion batteries. Then, in order to prevent the dissolution of vanadium pentoxide, a novel V2O5/polydopamine/CNT electrode is developed, showing outstanding performance and long-term stability. Another strategy concerning the introduction of Na+ ions into the structure of V2O5 was explored in this thesis. This part presents the synthesis of three pure sodium vanadium oxide phases through an aqueous route: Na2V6O16·1.5H2O, Na0.33V2O5 and Na1.16V3O8. The high-temperature XRD analysis was coupled with TGA/DSC to investigate the formation mechanism of the non-hydrated phases. The comparison of these materials reveals that the hydrated Na2V6O16·1.5H2O material offers the highest specific capacity and superior cycling stability due to the stabilizing effect of sodium ions and water.As the final step of this research, we evaluate the spray-dried V2O5and the three sodium vanadium oxide materials developed during this thesis in larger-scale pouch-type zinc-ion batteries. Although the capacities achieved are nearly comparable to those in Swagelok cells, the results emphasize the necessity for further optimization in pouch cell configuration and electrode preparation to improve cycle life for large-scale ZIB applications.The different strategies investigated in this work allowed us to enhance the electrochemical performance of both LIBs and aqueous ZIBs.

English

ISBN: 9798346506256Subjects--Topical Terms:

3681396
Carbon black.

Design and Development of Advanced Electrode Materials for Li-ion and Zn-ion Batteries = = Mise en Forme et Developpement de Materiaux D'electrodes Pour Batteries Li-ion et Zn-ion /
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520 $a Global energy demand is rapidly increasing and is projected to double by 2050, creating a need for reliable electricity supply and efficient energy storage systems. Renewable energies like solar and wind are promising but require effective storage solutions to manage intermittency. Lithium-ion batteries (LIBs) are popular thanks to their high energy density and long cycle life but face challenges in cost, material availability, and safety. Rechargeable aqueous zinc-ion batteries (ZIBs) are emerging as a promising alternative for grid storage applications. This thesis explores both LIBs and ZIBs to address energy storage needs for various applications.The first part of this work focuses on developing and designing new anode materials for LIBs. Novel organopalladium complexes are investigated, with the iodo-organopalladium complex showing the highest specific capacity and excellent cycling stability. The structural and morphological properties were examined by combining several characterization techniques: NMR, XRD, SEM, and TEM. The particles morphology of the iodoorganopalladium complex is then optimized using the double emulsion-evaporation technique to enhance its electrochemical performance.The second part of this thesis shifts to aqueous zinc-ion batteries, emphasizing the need for stable and efficient cathode active materials. Vanadium pentoxide (V2O5) is identified as a promising candidate but faces challenges like vanadium dissolution, low electronic conductivity, structural collapse, and volume changes caused by Zn2+ insertion/extraction during cycling. Therefore, in this work, we investigate several solutions to address these issues and enhance the cathode material performance. V2O5 microspheres are first produced via a spray-drying process. A comparative analysis of spray-dried V2O5, spray-dried V2O5/xCNTs composites, and commercial V2O5 highlights the benefits of morphological design and carbon nanotubes addition in enhancing the electrochemical performance of V2O5 as cathode material for zinc-ion batteries. Then, in order to prevent the dissolution of vanadium pentoxide, a novel V2O5/polydopamine/CNT electrode is developed, showing outstanding performance and long-term stability. Another strategy concerning the introduction of Na+ ions into the structure of V2O5 was explored in this thesis. This part presents the synthesis of three pure sodium vanadium oxide phases through an aqueous route: Na2V6O16·1.5H2O, Na0.33V2O5 and Na1.16V3O8. The high-temperature XRD analysis was coupled with TGA/DSC to investigate the formation mechanism of the non-hydrated phases. The comparison of these materials reveals that the hydrated Na2V6O16·1.5H2O material offers the highest specific capacity and superior cycling stability due to the stabilizing effect of sodium ions and water.As the final step of this research, we evaluate the spray-dried V2O5and the three sodium vanadium oxide materials developed during this thesis in larger-scale pouch-type zinc-ion batteries. Although the capacities achieved are nearly comparable to those in Swagelok cells, the results emphasize the necessity for further optimization in pouch cell configuration and electrode preparation to improve cycle life for large-scale ZIB applications.The different strategies investigated in this work allowed us to enhance the electrochemical performance of both LIBs and aqueous ZIBs.
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