Rotating ring disk electrode voltammetry

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Table of contents

Table of contents
Broader context and thesis outline
Outline of thesis
Chapter I General introduction
I. 1 Basic concepts of Li-based batteries and insertion-type electrodes
I. 1. 1 Intercalation chemistry and the advent of Li battery
I. 1. 2 From Li battery to Li-ion battery
I. 1. 3 Positive electrode materials for Li-ion batteries and their energy limitation .
I. 2 Increase the energy density of positive electrode materials for Li-ion batteries
I. 2. 1 M/M’ chemical substitution
I. 2. 2 Li substitution and the participation of oxygen redox
I. 2. 3 Positive electrode materials with elevated (de)intercalation voltage
I. 3 Searching for new chemistries with potentially higher energy storage
I. 3. 1 Conversion chemistry
I. 3. 2 Li-O2 battery
I. 4 Conclusions
Chapter II Monitor the oxygen release at high potentials in Li-rich layered oxides
II. 1 Background and motivation
II. 2 Description of the in-situ gas analysis techniques
II. 2. 1 In-situ pressure cell
II. 2. 2 Online electrochemical mass spectrometry
II. 2. 3 Rotating ring disk electrode voltammetry
II. 3 Results and discussion
II. 4 Chapter conclusion and outlook
Chapter III Revisiting the structural evolutions and electrochemical properties in the first cycle of Li-rich NMC
III. 1 Background and motivation
III. 2 Results and discussion
III. 2. 1 Phase transition and O2 release on deep oxidation
III. 2. 2 Detailed structural characterization of phase A’
III. 2. 3 The impact of phase transition on the electrochemical properties
III. 2. 4 Mn migration triggered by oxygen redox and its consequence of extra low-voltage electrochemical activities
III. 3 Discussion and chapter conclusion
Chapter IV Li-CO2 battery: a new system for energy storage and CO2 conversion
IV. 1 Background and motivation
IV. 2 Li−O2/CO2 batteries: CO2 conversion via electrogenerated superoxide (O2●¯)
IV. 2. 1 Introduction
IV. 2. 2 Results and discussion
IV. 2. 3 Discussion and conclusion
IV. 3 Li−CO2 batteries: CO2 conversion mediated by quinone derivatives 121
IV. 3. 1 Introduction
IV. 3. 2 Results and discussion
IV. 3. 3 Conclusion
Chapter V General conclusion and outlook
A. 1 Design of experimental equipment
A. 1.1 Gas filling station
A. 1. 2 Description of OEMS systems
A. 2 Supporting information for Chapter II
A. 2. 1 Methods
A. 2. 2 Supporting figures
A. 2. 3 Calculation of the quantity of released O2 gas
A. 3 Supporting information for Chapter III
A. 3. 1 Methods
A. 3. 2 Supporting figures
A. 4 Supporting information for Chapter IV
A. 4. 1 Methods
A. 4. 2 Supporting figures
Bibliography