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To further increase the energy density of rechargeable batteries to meet the rapidly growing needs of high‐energy consuming devices, various materials are tested as anode materials. Some of these newly developed anode materials exhibit anomalously high capacities that exceed their theoretical values. Advanced analytical techniques have revealed that unconventional reaction mechanisms account for these...
Anode Materials
In article number 2110828, Won‐Sub Yoon and co‐workers report a new strategy for enhancing the electrochemical charge storage capacity by introducing crystal water in Ni(OH)2 anode materials. In addition to the conversion reaction of Ni(OH)2, the water molecules inside the crystal react with lithium, exerting extra capacity over the theoretical value based on the conventional conversion...
The anionic redox chemistries of layered cathode materials have been in focus recently due to an intriguing phenomenon that cannot be described by the number of electrons of transition metal ions. However, even though several studies have investigated the anionic redox chemistry of layered materials in terms of the charge compensation, the relationship between the origin of the structural behavior...
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