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Microsoft Shares Surface Battery Data for Open Format
11 Apr
Summary
- Microsoft released Surface battery data to standardize testing environments.
- A new open format aims to reduce repeated engineering work across teams.
- The dataset allows comparisons across lithium-ion cell architecture designs.
Microsoft's Surface Battery Development team has contributed a standardized battery dataset to LF Energy's Battery Data Alliance, a Linux Foundation initiative. This release is accompanied by the introduction of the Battery Data Format, an open specification designed to enhance consistency and interoperability within battery data workflows.
The dataset, made publicly accessible, focuses on variations in lithium-ion cell architecture, enabling comparisons between different designs like end tab, middle tab, and multi-tab configurations. It includes raw test data, primarily time-series measurements of current and voltage, structured for experimental, simulation, and metadata-rich datasets.
The Battery Data Format establishes a unified schema, supporting machine-readable metadata and compatibility with linked data practices. This allows for the combination and consistent analysis of datasets generated under diverse conditions or by different systems. It also fosters compatibility between independently developed analytical models, significantly reducing the need for repetitive data preparation across research groups.
Supporting tools, including Python libraries for validation and conversion utilities, are available to transform vendor-specific formats into standardized datasets. The Battery Data Alliance comprises various research institutions and companies, including SINTEF and the Faraday Institution. LF Energy emphasizes the necessity of universal data management standards for the battery community to leverage AI algorithms for advancements in materials, battery pack construction, and cell lifetime prediction.
