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Investigation of solvent effects on the dispersion of carbon agglomerates and nafion ionomer particles in catalyst inks using ultra small angle X-Ray scattering method

  • Fan Yang
  • , Le Xin
  • , Aytekin Uzunoglu
  • , Lia Stanciu
  • , Jan Ilavsky
  • , Steven Son
  • , Jian Xie
  • Purdue University
  • Argonne National Laboratory

Araştırma çıktısı: Kitap/Rapor/Konferans Bildirisinde BölümKonferans katkısıHakem

19 Atıf (Scopus)

Özet

Ink formulation is important to improve the performance of membrane electrode assembly (MEA) in polymer electrode fuel cells (PEMFCs). In this study, ultra-small angle x-ray scattering method was applied to study the dispersion of carbon black in different solvent to get a better understanding of the influence of the solvent on the dispersion of carbon black. The dimension of carbon black aggregates before and after adding Nafion ionomer was compared in different solvent. Dielectric constant and viscosity were found to be the key factors that affect the dispersion of carbon black in solvents. Carbon black particles in a solvent with higher dielectric constant will tend to form larger aggregates after adding Nafion ionomer. The higher viscosity of a solvent will prevent the aggregation of carbon black particles after the addition of Nafion ionomer.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıPolymer Electrolyte Fuel Cells 16, PEFC 16
EditörlerD. J. Jones, H. Uchida, H. A. Gasteiger, K. Swider-Lyons, F. N. Buchi, P. N. Pintauro, B. S. Pivovar, K. E. Ayers, K. A. Perry, P. Shirvanian, A. Z. Weber, V. K. Ramani, P. Strasser, R. A. Mantz, K. Shinohara, S. Mitsushima, C. Coutanceau, J. M. Fenton, T. J. Schmidt, T. F. Fuller, S. R. Narayanan, Y. T. Kim, L. Zhuang, S. G. Sun
YayınlayanElectrochemical Society Inc.
Sayfalar361-371
Sayfa sayısı11
Baskı14
ISBN (Elektronik)9781607687313, 9781607687672, 9781607687689, 9781607687696, 9781607687702, 9781607687719, 9781607687726, 9781607687733, 9781607687740, 9781607687757, 9781607687771, 9781607687788, 9781607687795, 9781607687801, 9781607687818, 9781607687825, 9781607687832, 9781607687849, 9781607687856, 9781607687863, 9781607687887, 9781607687894, 9781607687900, 9781607687917, 9781607687924, 9781607687931, 9781607687948, 9781607687955, 9781607687962, 9781607687979, 9781607687986, 9781607687993, 9781607688006, 9781607688013, 9781607688020, 9781607688037
DOI'lar
Yayın durumuYayınlandı - 2016
Harici olarak yayınlandıEvet
EtkinlikSymposium on Polymer Electrolyte Fuel Cells 16, PEFC 2016 - PRiME 2016/230th ECS Meeting - Honolulu, United States
Süre: 2 Eki 20167 Eki 2016

Yayın serisi

AdıECS Transactions
Sayı14
Hacim75
ISSN (Basılı)1938-6737
ISSN (Elektronik)1938-5862

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???event.eventtypes.event.conference???Symposium on Polymer Electrolyte Fuel Cells 16, PEFC 2016 - PRiME 2016/230th ECS Meeting
Ülke/BölgeUnited States
ŞehirHonolulu
Periyot2/10/167/10/16

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Publisher Copyright:
© 2016 The Electrochemical Society.

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