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Anode Materials for Next-Generation ...

Cora, Saida S.,

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Anode Materials for Next-Generation Secondary Batteries: Interfaces and Alloying Mechanisms /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Anode Materials for Next-Generation Secondary Batteries: Interfaces and Alloying Mechanisms // Saida S Cora.
作者:	Cora, Saida S.,
面頁冊數:	1 electronic resource (209 pages)
附註:	Source: Dissertations Abstracts International, Volume: 86-03, Section: B.
Contained By:	Dissertations Abstracts International86-03B.
標題:	Chemistry. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31484831
ISBN:	9798384051497

Anode Materials for Next-Generation Secondary Batteries: Interfaces and Alloying Mechanisms /
Cora, Saida S.,

Anode Materials for Next-Generation Secondary Batteries: Interfaces and Alloying Mechanisms /Saida S Cora. - 1 electronic resource (209 pages)

Source: Dissertations Abstracts International, Volume: 86-03, Section: B.

Alloy-type anodes, such as silicon (Si) and tin (Sn), are among the most promising next-generation battery materials due to their high theoretical specific capacity, abundant availability, and cost-effectiveness. However, their practical application is hindered by several challenges, including the instability of the solid electrolyte interface (SEI), exacerbated by substantial volume changes during charging and discharging cycles, leading to rapid capacity decay and a shortened cycle life. Furthermore, there are considerable gaps in the fundamental understanding of the complex alloying processes and SEI evolution at the anode/electrolyte interface. This thesis addresses these gaps through a quantitative in situ investigation of the SEI formation and evolution at Si in conventional Li electrolytes and lays the groundwork for mechanisms of stabilizing the interfaces by implementing a binary cation matrix. This work highlights the advantages of a tailored electrolyte environment, revealing significant improvements in SEI stability on Si and offering valuable insights into the interfacial viscoelastic and electronic properties. Beyond Li-ion technology, this thesis explores the three-dimensional structural and phase evolution of Sn anodes in Ca electrolytes under various voltage conditions. This breakthrough knowledge holds the potential to revolutionize the development of high-performance, cost-effective multivalent battery systems with superior energy density. The employed methodologies are extended beyond the anode/electrolyte chemistries to investigate the Prussian Blue (PB) cathode, which is of interest due to its ability to accommodate various-sized cations and its effectiveness in both aqueous and non-aqueous electrolytes. New insights into the concentration-dependent intercalation processes of PB in potassium-based aqueous electrolytes are revealed. This research delivers a comprehensive understanding of the electrochemical processes at electrode/electrolyte interfaces. It sheds light on the mechanisms governing reaction dynamics, SEI evolution, and stability and paves the way for the next generation of high-performance energy storage systems.

English

ISBN: 9798384051497Subjects--Topical Terms:

516420
Chemistry.
Subjects--Index Terms:

Alloy anode

Anode Materials for Next-Generation Secondary Batteries: Interfaces and Alloying Mechanisms /
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520 $a Alloy-type anodes, such as silicon (Si) and tin (Sn), are among the most promising next-generation battery materials due to their high theoretical specific capacity, abundant availability, and cost-effectiveness. However, their practical application is hindered by several challenges, including the instability of the solid electrolyte interface (SEI), exacerbated by substantial volume changes during charging and discharging cycles, leading to rapid capacity decay and a shortened cycle life. Furthermore, there are considerable gaps in the fundamental understanding of the complex alloying processes and SEI evolution at the anode/electrolyte interface. This thesis addresses these gaps through a quantitative in situ investigation of the SEI formation and evolution at Si in conventional Li electrolytes and lays the groundwork for mechanisms of stabilizing the interfaces by implementing a binary cation matrix. This work highlights the advantages of a tailored electrolyte environment, revealing significant improvements in SEI stability on Si and offering valuable insights into the interfacial viscoelastic and electronic properties. Beyond Li-ion technology, this thesis explores the three-dimensional structural and phase evolution of Sn anodes in Ca electrolytes under various voltage conditions. This breakthrough knowledge holds the potential to revolutionize the development of high-performance, cost-effective multivalent battery systems with superior energy density. The employed methodologies are extended beyond the anode/electrolyte chemistries to investigate the Prussian Blue (PB) cathode, which is of interest due to its ability to accommodate various-sized cations and its effectiveness in both aqueous and non-aqueous electrolytes. New insights into the concentration-dependent intercalation processes of PB in potassium-based aqueous electrolytes are revealed. This research delivers a comprehensive understanding of the electrochemical processes at electrode/electrolyte interfaces. It sheds light on the mechanisms governing reaction dynamics, SEI evolution, and stability and paves the way for the next generation of high-performance energy storage systems.
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