Probing Structural Evolution and Charge Storage Mechanism of NiO2H x Electrode Materials using In Operando Resonance Raman Spectroscopy.
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ABSTRACT: In operando resonance Raman spectroscopy suggests quantitative correlation between phonon band properties and the amount of charge storage of high-energy density NiO2H x battery/pseudocapacitive material. Comparing the spectroscopic evolution using different electrolytes reveals the contributions of breaking/formation of O-H bonds and insertion/extraction of cations to electrochemical charge storage of NiO2H x .
SUBMITTER: Chen D
PROVIDER: S-EPMC5067601 | biostudies-literature |
REPOSITORIES: biostudies-literature
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