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@ARTICLE{Kin:1032193,
      author       = {Kin, Li-Chung and Distler, Andreas and Astakhov, Oleksandr
                      and Kone, Bakary and Kungl, Hans and Karl, André and
                      Merdzhanova, Tsvetelina and Eichel, Rüdiger-A. and Brabec,
                      Christoph J. and Rau, Uwe},
      title        = {{A} matter of design and coupling: high indoor charging
                      efficiencies with organic solar modules directly coupled to
                      a sodium ion battery},
      journal      = {Journal of materials chemistry / A},
      volume       = {12},
      issn         = {2050-7488},
      address      = {London ˜[u.a.]œ},
      publisher    = {RSC},
      reportid     = {FZJ-2024-06062},
      pages        = {30862-30871},
      year         = {2024},
      abstract     = {To tackle the challenge of powering distributed autonomous
                      indoor sensors and electronics, such as in the
                      implementation of the internet of things (IOT), a
                      high-efficiency solar module with integrated storage is a
                      potential solution that offers a stable, reliable power
                      source. For this, organic photovoltaics (OPV) are a
                      promising candidate, delivering high efficiencies under
                      indoor lighting, flexibility, scalability and low-cost
                      designs via roll-to-roll manufacturing. Pairing an OPV
                      device with batteries made from widely available sodium
                      seems to be a viable strategy for achieving a low-cost,
                      low-power, self-charging power source. PV devices can be
                      coupled directly to batteries without power conditioning.
                      Self-sustained operation and stable power output of this
                      power harvester are achievable with proper voltage matching
                      and scaling of both the PV and battery within the target
                      range of operating conditions. We achieved a record indoor
                      direct charging overall efficiency of an OPV and sodium ion
                      battery of $13.1–14.4\%$ over a wide range of LED
                      illumination intensities of 150–15[thin space (1/6-em)]000
                      lx.},
      cin          = {IET-1 / IMD-3 / IET-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IET-1-20110218 / I:(DE-Juel1)IMD-3-20101013 /
                      I:(DE-Juel1)IET-2-20140314},
      pnm          = {1213 - Cell Design and Development (POF4-121) / 1223 -
                      Batteries in Application (POF4-122)},
      pid          = {G:(DE-HGF)POF4-1213 / G:(DE-HGF)POF4-1223},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001339360200001},
      doi          = {10.1039/D4TA04729J},
      url          = {https://juser.fz-juelich.de/record/1032193},
}