Abstract
The Front Cover illustrates a crystal layer of nickel hydroxide that undergoes phase separation during electrochemical ion deinsertion (oxidation) and its corresponding cyclic voltammogram (CV). This phase separation phenomenon is revealed by a thermodynamic modelling of solid-solution and phase-separation reaction modes in battery cathodes. Furthermore, according to this model, the hysteresis observed during charge-discharge in the CV curves results from this phase separation which itself is a consequence of large radius changes in the crystal's central metal ion. More information can be found in the Research Article by K. Malaie, F. Scholz and U. Schröder.
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