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Technical Areas Driving Innovation - Patent Data In 2023 And 2024*

The technical field with the biggest increase in 2024 was “intercalation of metals other than lithium, e.g. Mg or Alˮ CPC classification H01M 10/054 General electrode innovations H01M 4/02 and battery recycling methods H01M 10/54 also experienced notable increases Methods of coating collectors for electrode manufacture H01M 4/0404) experienced the largest reduction In general, innovation seems to have shifted downstream from the cell component level to the macro scale, e.g. maintenance, recycling, thermal management and pack mounting

Due to 18-month lag between patent application submission and publication, data for 2024 publications reflects applications submitted between mid-2022 and mid-2023

Source: Espacenet search for PCT publications in 2023 and 2024 within CPC classification H01M (batteries), filtered by CPC sub-classes and limited to most popular sub-classes and the biggest “moversˮ within those most popular sub-classes

Extracted from the PDF; charts and images may read imperfectly.