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Designing Hysteresis Free High-Valent Redox Cathode Materials for Electrochemical Applications.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Designing Hysteresis Free High-Valent Redox Cathode Materials for Electrochemical Applications./
作者:
Abate, Iwnetim Iwnetu.
出版者:
Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:
149 p.
附註:
Source: Dissertations Abstracts International, Volume: 83-05, Section: B.
Contained By:
Dissertations Abstracts International83-05B.
標題:
Electrolytes. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28812918
ISBN:
9798494455758
Designing Hysteresis Free High-Valent Redox Cathode Materials for Electrochemical Applications.
Abate, Iwnetim Iwnetu.
Designing Hysteresis Free High-Valent Redox Cathode Materials for Electrochemical Applications.
- Ann Arbor : ProQuest Dissertations & Theses, 2021 - 149 p.
Source: Dissertations Abstracts International, Volume: 83-05, Section: B.
Thesis (Ph.D.)--Stanford University, 2021.
This item must not be sold to any third party vendors.
Advances in electrochemical devices such as batteries, fuel cells, and water-splitting membranes are making global transition towards clean and renewable energy more possible than ever. Foundational to (electro)chemical and catalytic transformations in these devices are a stable and reversible high-valent redox couples. In particular, the phenomenon of high-valent oxygen redox (anionic redox) in lithium- and sodium-ion positive electrodes has the potential to significantly improve cell energy density by providing additional high voltage capacity beyond that of most transition metal redox couples. However, the additional capacity from (anionic redox) has come at the expense of reduced reversibility in the form of voltage hysteresis and voltage fade. As a result, high valent redox couples have been historically avoided. After providing historical context of lithium- and sodium-ion battery technologies in Chapter 1, my thesis, will outline the mechanism and the framework for understanding the source of poor electrochemical reversibility in high-valent redox (Chapter 2 and 3). In Chapter 4 and 5, I will demonstrate mechanisms and design rules where structural disorder and voltage hysteresis can either be completely avoided or mitigated, respectively. Finally, I will conclude by summarizing the main findings and their implications to the future of (electro)chemistry, solid-state chemistry and condensed matter physics (Chapter 6).
ISBN: 9798494455758Subjects--Topical Terms:
656992
Electrolytes.
Designing Hysteresis Free High-Valent Redox Cathode Materials for Electrochemical Applications.
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Advances in electrochemical devices such as batteries, fuel cells, and water-splitting membranes are making global transition towards clean and renewable energy more possible than ever. Foundational to (electro)chemical and catalytic transformations in these devices are a stable and reversible high-valent redox couples. In particular, the phenomenon of high-valent oxygen redox (anionic redox) in lithium- and sodium-ion positive electrodes has the potential to significantly improve cell energy density by providing additional high voltage capacity beyond that of most transition metal redox couples. However, the additional capacity from (anionic redox) has come at the expense of reduced reversibility in the form of voltage hysteresis and voltage fade. As a result, high valent redox couples have been historically avoided. After providing historical context of lithium- and sodium-ion battery technologies in Chapter 1, my thesis, will outline the mechanism and the framework for understanding the source of poor electrochemical reversibility in high-valent redox (Chapter 2 and 3). In Chapter 4 and 5, I will demonstrate mechanisms and design rules where structural disorder and voltage hysteresis can either be completely avoided or mitigated, respectively. Finally, I will conclude by summarizing the main findings and their implications to the future of (electro)chemistry, solid-state chemistry and condensed matter physics (Chapter 6).
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