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@ARTICLE{Yang:867205,
      author       = {Yang, Xiaofei and Gao, Xuejie and Sun, Qian and Jand, Sara
                      Panahian and Yu, Ying and Zhao, Yang and Li, Xia and Adair,
                      Keegan and Kuo, Liang‐Yin and Rohrer, Jochen and Liang,
                      Jianneng and Lin, Xiaoting and Banis, Mohammad Norouzi and
                      Hu, Yongfeng and Zhang, Hongzhang and Li, Xianfeng and Li,
                      Ruying and Zhang, Huamin and Kaghazchi, Payam and Sham,
                      Tsun‐Kong and Sun, Xueliang},
      title        = {{P}romoting the {T}ransformation of {L}i 2 {S} 2 to {L}i 2
                      {S}: {S}ignificantly {I}ncreasing {U}tilization of {A}ctive
                      {M}aterials for {H}igh‐{S}ulfur‐{L}oading {L}i–{S}
                      {B}atteries},
      journal      = {Advanced materials},
      volume       = {31},
      number       = {25},
      issn         = {1521-4095},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2019-06022},
      pages        = {1901220 -},
      year         = {2019},
      abstract     = {Lithium–sulfur (Li–S) batteries with high sulfur
                      loading are urgently required in order to take advantage of
                      their high theoretical energy density. Ether‐based Li–S
                      batteries involve sophisticated multistep
                      solid–liquid–solid–solid electrochemical reaction
                      mechanisms. Recently, studies on Li–S batteries have
                      widely focused on the initial solid (sulfur)–liquid
                      (soluble polysulfide)–solid (Li2S2) conversion reactions,
                      which contribute to the first $50\%$ of the theoretical
                      capacity of the Li–S batteries. Nonetheless, the sluggish
                      kinetics of the solid–solid conversion from solid‐state
                      intermediate product Li2S2 to the final discharge product
                      Li2S (corresponding to the last $50\%$ of the theoretical
                      capacity) leads to the premature end of discharge, resulting
                      in low discharge capacity output and low sulfur utilization.
                      To tackle the aforementioned issue, a catalyst of amorphous
                      cobalt sulfide (CoS3) is proposed to decrease the
                      dissociation energy of Li2S2 and propel the electrochemical
                      transformation of Li2S2 to Li2S. The CoS3 catalyst plays a
                      critical role in improving the sulfur utilization,
                      especially in high‐loading sulfur cathodes (3–10 mg
                      cm−2). Accordingly, the Li2S/Li2S2 ratio in the discharge
                      products increased to 5.60/1 from 1/1.63 with CoS3 catalyst,
                      resulting in a sulfur utilization increase of $20\%$ (335
                      mAh g−1) compared to the counterpart sulfur electrode
                      without CoS3.},
      cin          = {IEK-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013},
      pnm          = {131 - Electrochemical Storage (POF3-131)},
      pid          = {G:(DE-HGF)POF3-131},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31062911},
      UT           = {WOS:000475269900023},
      doi          = {10.1002/adma.201901220},
      url          = {https://juser.fz-juelich.de/record/867205},
}