Results 41 to 50 of about 888,007 (201)

Synergistic proton conduction via Ca-vacancy coupled with Li+-bridge in Ca5(PO4)3OH

Communications Materials
Proton conductivity plays a crucial role in the advancement of materials for proton ceramic fuel cells (PCFCs) and a variety of electrochemical devices. Traditional approaches to enhancing proton conductivity in perovskites have largely relied on doping ...
Nabeela Akbar, Qing Pang, Yaokai Lu, Yifu Jing, Manish Singh, Jun Wang, Bin Zhu, Faze Wang, Sining Yun   +8 more
doaj   +1 more source

Proton Conduction via Water Bridges Hydrated in the Collagen Film

Journal of Functional Biomaterials, 2020
Collagen films with proton conduction are a candidate of next generation of fuel-cell electrolyte. To clarify a relation between proton conductivity and formation of water networks in the collagen film originating from a tilapia’s scale, we ...
Hiroshi Matsui, Yasumitsu Matsuo
doaj   +1 more source

Proton-conducting membranes based on CsH2PO4 and copolymer of tetrafluoroethylene with vinylidene fluoride

Chimica Techno Acta, 2022
In this work, proton conductivity, morphology and mechanical properties of (1–x)CsH2PO4–xF-42 (x=0.05–0.3, weight ratio) membranes were investigated for the first time.
Irina N. Bagryantseva, Yuri E. Kungurtsev, Valentina G. Ponomareva   +2 more
doaj   +1 more source

Ionic conductivity of an extruded Nafion 1100 EW series of membranes [PDF]

, 2002
The proton conductivity of a series of extruded Nafion membranes @of equivalent weight ~EW! of 1100 and nominal dry thickness of 51, 89, 127, and 178 mm# has been studied. Measurements were made in 1 M H2SO4 at 298 K using a four-electrode, dc technique.
Ralph, T.R., Walsh, F.C, Slade, S., Campbell, S.A.   +3 more
core   +1 more source

Composite sPEEK with Nanoparticles for Fuel Cell's Applications: Review [PDF]

, 2012
The membranes in fuel cells must both conduct protons and serve as a barrier for fuel. This review discusses modifications nanoparticles of sPEEK (sulfonated polyether-ether ketone), sPEEK have advantages properties as fuel cell’s membranes such as ...
Arief , Rahman Hakim, Tutuk , Djoko Kusworo, Eniya, Listiani Dewi, Aprilina , Purbasari   +3 more
core   +1 more source

Membranas de polieletrólitos com características de condução protônica: obtenção, caracterização e avaliação da eficiência em células a combustível [PDF]

, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-graduação em QuímicaMembranas compósitas com características de condutividade protônica tem sido estudadas como uma alternativa para ...
Oliveira, Paula Nunes de
core  

Anhydrous Proton Conduction of Soy Protein

International Journal of Electrochemical Science, 2021
Water-soluble soy protein contains a large amount of acidic amino acids, such as glutamic and aspartic acids. Since these acidic amino acids possess the –COOH group in their side chain, the water soluble soy protein acts as an acidic polymer.
Masanori Yamada, Yuka Nagano, Tetsuya Yamada   +2 more
doaj   +1 more source

Highly Oriented Sulfonic Acid Groups in a Nafion Thin Film on Si Substrate [PDF]

, 2013
Solid state ionics is a research field attracting much current attentions because of the ideal power sources for use with portable electronic devices having high power-to-weight ratios.
Nagao, Yuki, Yuki Nagao
core   +1 more source

Fabrication and Characterization of Sulfonated Polysulfone Membrane with Different Thicknesses for Proton Exchange Membrane Fuel Cell

Engineering Perspective
Membranes play a critical role in the performance of proton exchange membrane fuel cells. Membrane thicknesses have positive and negative effects on the characteristics of proton exchange membranes.
İrem Tanış, Turan Alp Arslan, Tolga Kocakulak, Gülşen Taşkın, Tuğba Tabanlıgil Calam, Hamit Solmaz   +5 more
doaj   +1 more source

Conductivity of aromatic-based proton exchange membranes at subzero temperatures

, 2008
Stable proton exchange membrane (PEM) with good proton conductivity at subzero temperatures is important for the development of PEM fuel cell cold start.
Yu, Hongrnei, Hou, Zhongjun, Ming, Pingwen, Shao, Zhigang, Hou, Junbo, 俞红梅, Xing, Danmin, Wang, Liang, Yi, Baolian   +8 more
core   +1 more source