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@ARTICLE{Golembiewski:829139,
      author       = {Golembiewski, Birte and vom Stein, Nicole and Sick,
                      Nathalie and Wiemhöfer, Hans-Dieter},
      title        = {{I}dentifying trends in battery technologies with regard to
                      electric mobility: evidence from patenting activities along
                      and across the battery value chain},
      journal      = {Journal of cleaner production},
      volume       = {87},
      issn         = {0959-6526},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2017-02946},
      pages        = {800 - 810},
      year         = {2015},
      abstract     = {Electric mobility is a topic of intense discussions in
                      academia and industry since the stability of future energy
                      supply as well as the associated environmental consequences
                      are uncertain. Therefore, it is necessary to evaluate the
                      research and development status of battery technologies for
                      electric vehicles which are reflecting the interface of the
                      automotive, chemical and electronics sector. The present
                      study applies patent families as technological indicators in
                      order to analyze the research activities of each step of the
                      designed battery value chain individually and in comparison
                      with each other to identify and discuss trends regarding the
                      technologies associated to electric vehicles. By applying
                      this explorative approach to the comparably new field, the
                      study contributes to both the scientific literature on
                      patent analysis as well as on emerging industry and value
                      creation structures related to the electric mobility sector.
                      Although the distribution of patents shows an emphasis on
                      active components, the high number of patents covering more
                      than one value chain step points towards the tendency of
                      considering the whole value chain in systemic research
                      approaches. Furthermore, a detailed analysis of patent
                      assignees reveals insights on the knowledge dissemination
                      across the value chain whereby the major share of industry
                      actors still appears to be focused on their respective core
                      competences but also administers important links to other
                      value chain steps. The increase of collaborative activities
                      across steps further hints towards starting shifts in value
                      creation activities.},
      cin          = {IEK-12},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IEK-12-20141217},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000347493700082},
      doi          = {10.1016/j.jclepro.2014.10.034},
      url          = {https://juser.fz-juelich.de/record/829139},
}