H2S-induced corrosion of Cu foil in sulfide solid-state batteries: Multiscale characterization and intrinsic failure mechanisms
Source abstract
Abstract
The H2S corrosion mechanism of Cu foil current collectors under static conditions in solid-state batteries has been systematically investigated from a crystallographic perspective. The corrosion product is precisely identified as a single-layer monoclinic Cu2S phase. For the first time, this study reveals the mesoscale spatial corrosion sequence, the three-dimensional structure of the corrosion scale and its growth texture, as well as the nanoscale microstructural characteristics of the internal corrosion region. The poor H2S corrosion resistance of pure copper is attributed to the intrinsic multi-vacancy crystal feature of the corrosion product and its poor growth compatibility with the Cu substrate.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Advanced battery technologies research · Metal Extraction and Bioleaching
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