This page presents the data development documentation for Batteries data for the all sites of Aubervilliers and NOH. workflows
Summary
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Our team aims to develop the next generation of lithium battery without any liquid in it (All-Solid State Battery). To do so, new battery materials have to be synthesized and new ways to assemble them have to be developed.
Data Ingestion
Data Sources
ELN
The
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Related documents
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Instruments
The instrument files are, most of them, manually added to a Google Driver's folder or a folder in lab servers.
The spreadsheet Where to find instrument files? has the full list of instrument folders and location:
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Data Mapping
No data mapping needed as the data is copied exactly as the source.
Talend Jobs
The jobs F010 and F011 are responsables for orchestrating the Data Ingestion:
Data Preparation or Parsing
Data Mapping
The spreadsheet below presents all data transformation between the raw files (extracted files) and a BigQuery delta table. Some files are unstructured and semi-structured. This steps aims to structure the files in the target table format and checking if the column's type (schema) are conformed expected.
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Talend Jobs
The jobs F020 and F021 are responsables for orchestrating the Data Preparation:
Data Integration or Computing
Data Mapping
The spreadsheet below presents all data transformations between the tables on Staging and ODS. This steps aims to add some calculations and intelligence to the data. Not all tables will need passing through this step.
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Talend Jobs
The job F030 is responsable for orchestrating the Data Integration:
Data Presentation or DW/DM
Data Presentation
Data Mapping
No data mapping available, as there are no transformations for now. This must be created if there are requirements for that.
Talend Jobs
No need of jobs as there are no steps to load DW/DM. A priori, all data is presented as views.
Data Model
The data model presents the tables/views presented on DW/DM dataset and the relation between them.
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Orchestrating Jobs
All the jobs are run in sequence under the follow job and project name on TAC/Talend Cloud:
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For scheduling details check the Operational documentation.
Specific Naming Conventions
Folders and Table Names
Most files are organized based on its "Workflow name", "Method name". For exemple:
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All instruments folders structure and tables name use the same logic depending on the file or table format. For exemple:
Folders
Tables (Staging)
Abbreviations
Abbreviations specifically for Battery, they are used in the Talend jobs or tables names:
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Instrument
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Raw Materials
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Conductivity
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Mechanosynthesis
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Critical Current Density
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Lithium Metal Compatibility
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Tortuosity factor
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Dry Process
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Wet process
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