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@ARTICLE{Wang:893036,
      author       = {Wang, Rui and Chen, Xin and Huang, Zhongyuan and Yang,
                      Jinlong and Liu, Fusheng and Chu, Mihai and Liu, Tongchao
                      and Wang, Chaoqi and Zhu, Weiming and Li, Shuankui and Li,
                      Shunning and Zheng, Jiaxin and Chen, Jie and He, Lunhua and
                      Jin, Lei and Pan, Feng and Xiao, Yinguo},
      title        = {{T}win boundary defect engineering improves lithium-ion
                      diffusion for fast-charging spinel cathode materials},
      journal      = {Nature Communications},
      volume       = {12},
      number       = {1},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Nature Publishing Group UK},
      reportid     = {FZJ-2021-02516},
      pages        = {3085},
      year         = {2021},
      abstract     = {Defect engineering on electrode materials is considered an
                      effective approach to improve the electrochemical
                      performance of batteries since the presence of a variety of
                      defects with different dimensions may promote ion diffusion
                      and provide extra storage sites. However, manipulating
                      defects and obtaining an in-depth understanding of their
                      role in electrode materials remain challenging. Here, we
                      deliberately introduce a considerable number of twin
                      boundaries into spinel cathodes by adjusting the synthesis
                      conditions. Through high-resolution scanning transmission
                      electron microscopy and neutron diffraction, the detailed
                      structures of the twin boundary defects are clarified, and
                      the formation of twin boundary defects is attributed to
                      agminated lithium atoms occupying the Mn sites around the
                      twin boundary. In combination with electrochemical
                      experiments and first-principles calculations, we
                      demonstrate that the presence of twin boundaries in the
                      spinel cathode enables fast lithium-ion diffusion, leading
                      to excellent fast charging performance, namely, $75\%$ and
                      $58\%$ capacity retention at 5 C and 10 C, respectively.
                      These findings demonstrate a simple and effective approach
                      for fabricating fast-charging cathodes through the use of
                      defect engineering.},
      cin          = {ER-C-1},
      ddc          = {500},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {535 - Materials Information Discovery (POF4-535)},
      pid          = {G:(DE-HGF)POF4-535},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {34035292},
      UT           = {WOS:000658773300008},
      doi          = {10.1038/s41467-021-23375-7},
      url          = {https://juser.fz-juelich.de/record/893036},
}