4.8 Article

Enhancing Interfacial Bonding between Anisotropically Oriented Grains Using a Glue-Nanofiller for Advanced Li-Ion Battery Cathode

Journal

ADVANCED MATERIALS
Volume 28, Issue 23, Pages 4705-4712

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201506256

Keywords

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Funding

  1. Ministry of Trade, Industry & Energy/Korea Evaluation Institute of Industrial Technology [10046306]
  2. UNIST [1.150034.01]
  3. Korea Evaluation Institute of Industrial Technology (KEIT) [10046306] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  4. Ministry of Science, ICT & Future Planning, Republic of Korea [2016국가전력난] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  5. National Research Foundation of Korea [2016H1A2A1908137] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Formation of a glue-nanofiller layer between grains, consisting of a middle-temperature spinel-like LixCoO2 phase, reinforces the strength of the incoherent interfacial binding between anisotropically oriented grains by enhancing the face-to-face adhesion strength. The cathode treated with the glue-layer exhibits steady cycling performance at both room-temperature and 60 degrees C. These results represent a step forward in advanced lithium-ion batteries via simple cathode coating.

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