File:Number of patent families and of journal articles related to several electrochemical power sources by year.png
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DescriptionNumber of patent families and of journal articles related to several electrochemical power sources by year.png |
English: The number (log Y scale on the left) of patent families (solid lines) and of journal articles (dotted lines) related to fuel cells (magenta), lithium (metal and ion) batteries (green), vanadium redox flow batteries (blue) and zinc-halogen batteries (red) vs the earliest priority (for patents) or publication (for journals) year. Also shown as the black line is the inflation-adjusted oil-price (right Y axis). |
Date | |
Source | Own work |
Author | Walter Tau |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:13, 10 September 2022 | 1,269 × 744 (70 KB) | Walter Tau (talk | contribs) | Uploaded own work with UploadWizard |
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- File:ByYear-wiki.png (file redirect)
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Horizontal resolution | 47.24 dpc |
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Vertical resolution | 47.24 dpc |