Results 21 to 30 of about 20,997 (254)
Recent progress on layered oxide cathode materials for sodium-ion batteries
工程科学学报, 2022 Driven by the national strategic goal of “emission peak and carbon neutrality”, developing grid-scale energy storage systems (ESSs) for high-efficiency utilization of renewable clean energy is of great importance and urgency.
Xia-yan JIAN +4 more
doaj +1 more source
Redox Evolution of Li-Rich Layered Cathode Materials
Batteries, 2022 Li-rich layered oxides utilizing reversible oxygen redox are promising cathodes for high-energy-density lithium-ion batteries. However, they exhibit different electrochemical profiles before and after oxygen redox activation.
Liang Fang +3 more
doaj +1 more source
Nature Communications, 2017 Anionic redox chemistry has enabled the design of high-capacity battery cathodes for energy storage. Here, the authors demonstrate reversible anionic redox in an archetypical lithium-rich oxide via bulk-sensitive spectroscopies, further revealing its ...
Gaurav Assat +5 more
doaj +1 more source
Energies, 2020 P2-type sodium layered transition metal oxides have been intensively investigated as promising cathode materials for sodium-ion batteries (SIBs) by virtue of their high specific capacity and high operating voltage.
Chen Cheng +7 more
doaj +1 more source
Li-Rich Mn-Based Cathode Materials for Li-Ion Batteries: Progress and Perspective
Inorganics, 2023 The development of cathode materials with high specific capacity is the key to obtaining high-performance lithium-ion batteries, which are crucial for the efficient utilization of clean energy and the realization of carbon neutralization goals.
Weibin Guo +6 more
doaj +1 more source
Origin of reversible oxygen redox reactions in high energy density layered oxides
Cell Reports Physical Science, 2021 Summary: Oxygen redox reactions (ORRs) are considered a new strategy in reaching a high-energy density for rechargeable batteries. Here, we propose the concept “band coherency” for identifying the origin of reversible ORRs in alkali-excess compounds, i.e.
Gwanghyeon Choi +4 more
doaj +1 more source
Anionic 1-Aza-3,4-diphospholides as redox active ligands
Inorganica Chimica Acta, 2021 Inorganica Chimica Acta ...
Suter, Riccardo +5 more
openaire +3 more sources
Empowering higher energy sodium‐ion battery cathode by oxygen chemistry
Interdisciplinary Materials, 2023 Sodium (Na) ion batteries (SIBs) promise low‐cost energy storage systems but are still restricted by insufficient energy density. Introducing oxygen (O) redox into the design of the Na‐storage cathode is presently considered an effective avenue to ...
Guangying Wan +6 more
doaj +1 more source
Investigation on the Origin of Sluggish Anionic Redox Kinetics in Cation-Disordered Cathode
Energies, 2023 Cation-disordered rock salt (DRX) cathodes exhibit high specific capacity due to the simultaneous use of anionic and cationic redox reactions. However, DRX systems face severe challenges that limit their practical applications; a most important challenge
Qi Liang +7 more
doaj +1 more source
High‐Resolution Corrosion Fingerprinting of Alloy Libraries via Microdroplet Spectroelectrochemistry
Advanced Engineering Materials, EarlyView.Ionic‐liquid microdroplet spectroelectrochemistry enables stable, localized electrochemical measurements over extended timescales. By coupling impedance spectroscopy, wetting analysis, finite‐element simulations, and operando Raman spectroscopy, it disentangles geometrical and electrochemical effects, opening new opportunities for rapid corrosion ...
Ekaterina Kurchavova +3 more
wiley +1 more source