Suitable acid groups and density in electrolytes to facilitate proton conduction

2021 ◽  
Author(s):  
Takaya Ogawa ◽  
Hidenori Ohashi ◽  
Anilkumar M. Gopinathan ◽  
Takanori Tamaki ◽  
Takeo Yamaguchi
Keyword(s):  
Relative Humidity ◽  
Proton Conductivity ◽  
Proton Conduction ◽  
Proton Conducting ◽  
Conducting Materials ◽  
Acid Acid

Proton conducting materials suffer from low proton conductivity under low-relative humidity (RH) conditions. Previously, it was reported that acid-acid interactions, where acids interact with each other at close distances, can...

UiO-66 derivatives and their composite membranes for effective proton conduction

2020 ◽  
Vol 49 (47) ◽  
pp. 17130-17139
Author(s):  
Lu Feng ◽  
Hao-Bo Hou ◽  
Hong Zhou
Keyword(s):  
Fuel Cells ◽  
Proton Exchange Membrane ◽  
Metal Organic Frameworks ◽  
Composite Membranes ◽  
Proton Conduction ◽  
Proton Exchange ◽  
Proton Conducting ◽  
Conducting Materials ◽  
Metal Organic ◽  
Exchange Membrane

As newly emerging proton-conducting materials, metal–organic frameworks (MOFs) have been attracting wide attention in the field of proton exchange membrane fuel cells.

Influence of Chemical Composition on Proton Conductivity of Microporous Organic Polymers Entrapped in Nitrilotrimethylphosphonic Acid

2021 ◽  
Author(s):  
Jiarui Du ◽  
Feng Zhang ◽  
Xiaoqiang Liang ◽  
Fengyu Qu
Keyword(s):  
Chemical Composition ◽  
Proton Conductivity ◽  
High Loading ◽  
Organic Polymers ◽  
Acid Base ◽  
Proton Conducting ◽  
Conducting Materials ◽  
Microporous Organic Polymers

The construction of acid-base interactions is critical for developing proton-conducting materials with high loading and stable electrolytes, which is effected by the chemical composition of conductors. Herein, a Microporous Furanylimide...

High proton conduction in an excellent water-stable gadolinium metal–organic framework

2019 ◽  
Vol 55 (9) ◽  
pp. 1241-1244 ◽  
Author(s):  
Xiu-Shuang Xing ◽  
Zhi-Hua Fu ◽  
Ning-Ning Zhang ◽  
Xiao-Qing Yu ◽  
Ming-Sheng Wang ◽  
...  
Keyword(s):  
Proton Conductivity ◽  
Metal Organic Framework ◽  
Proton Conduction ◽  
Proton Conducting ◽  
High Proton ◽  
Metal Organic ◽  
Organic Framework

Proton conductivity of a new gadolinium(iii) metal–organic framework, is among the highest values for proton-conducting MOFs.

Dual-cubic-cage based lanthanide sulfate–carboxylpyrazolate frameworks with high hydrolytic stability and remarkable proton conduction

2019 ◽  
Vol 55 (17) ◽  
pp. 2497-2500 ◽  
Author(s):  
Liang He ◽  
Jayanta Kumar Nath ◽  
Er-Xia Chen ◽  
Heng-Dong Lai ◽  
Shan-Lin Huang ◽  
...  
Keyword(s):  
Relative Humidity ◽  
Proton Conductivity ◽  
Hydrolytic Stability ◽  
Hydrothermal Condition ◽  
Proton Conduction ◽  
High Proton Conductivity ◽  
High Proton

Lanthanide sulfate–carboxylpyrazolate nets, which have double cuboid cavities, encapsulated single-ion hydrates, tolerance in water for 6 months and even under a 200 °C hydrothermal condition tested for 3 days, and high proton-conductivity of over 10−3 S cm−1 at 25 °C and at 97% relative humidity are reported.

Insights into the hydrogen bond network topology of phosphoric acid and water systems

2021 ◽  
Author(s):  
Austėja Mikalčiūtė ◽  
Linas Vilciauskas
Keyword(s):  
Hydrogen Bond ◽  
Phosphoric Acid ◽  
Proton Conductivity ◽  
Network Topology ◽  
Water Systems ◽  
Hydrogen Bond Network ◽  
Proton Conducting ◽  
Conducting Materials ◽  
Bond Network

Phosphoric acid and its mixtures with water are some of the best proton conducting materials known to science. Although, the proton conductivity in pure phosphoric acid decreases upon external doping...

Lanthanide derivatives of Ta/W mixed-addendum POMs as proton-conducting materials

2017 ◽  
Vol 46 (13) ◽  
pp. 4157-4160 ◽  
Author(s):  
Qingpo Peng ◽  
Shujun Li ◽  
Ruoya Wang ◽  
Shuxia Liu ◽  
Linhua Xie ◽  
...  
Keyword(s):  
Self Assembly ◽  
Proton Conduction ◽  
The Self ◽  
Lanthanide Ions ◽  
Proton Conducting ◽  
Conducting Materials ◽  
Derivatives Of

Four lanthanide derivatives were isolated by the self-assembly of {P2W15Ta3O62} and lanthanide ions, which showed good proton conduction performance.

scholarly journals Synthesis, structural characterisation and proton conduction of two new hydrated phases of barium ferrite BaFeO2.5−x(OH)2x

2016 ◽  
Vol 4 (9) ◽  
pp. 3415-3430 ◽  
Author(s):  
Patrick L. Knöchel ◽  
Philip J. Keenan ◽  
Christoph Loho ◽  
Christian Reitz ◽  
Ralf Witte ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Proton Conductivity ◽  
Barium Ferrite ◽  
Proton Conduction ◽  
Hydrogen Separation ◽  
Proton Conducting ◽  
Structural Characterisation ◽  
Separation Membranes ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells

Materials exhibiting mixed electronic and proton conductivity are of great interest for applications ranging from electrodes for proton conducting ceramic fuel cells to hydrogen separation membranes.

A tetranuclear copper cluster-based MOF with sulfonate–carboxylate ligands exhibiting high proton conduction properties

2015 ◽  
Vol 51 (38) ◽  
pp. 8150-8152 ◽  
Author(s):  
Xing Meng ◽  
Shu-Yan Song ◽  
Xue-Zhi Song ◽  
Min Zhu ◽  
Shu-Na Zhao ◽  
...  
Keyword(s):  
Relative Humidity ◽  
Proton Conductivity ◽  
Proton Conduction ◽  
Copper Cluster ◽  
High Proton Conductivity ◽  
Carboxylate Ligands ◽  
High Proton ◽  
Conduction Properties

A tetranuclear copper cluster-based MOF with sulfonate–carboxylate ligands has been synthesized. It possesses 1D irregular channels lined with sulfonate, carboxylate, and DMF molecules, which show a high proton conductivity of 7.4 × 10−4 S cm−1 at 95 °C and 95% relative humidity.

‘Proton Escalator’ PEI and Phosphotungstic Acid Constructing a Nanofiber Membrane with Remarkable Proton Conductivity

2021 ◽  
Author(s):  
Xiuwei Sun ◽  
Shumei Liu ◽  
Qingyin Wu ◽  
Shan Zhang ◽  
Hong-Rui Tian ◽  
...  
Keyword(s):  
Proton Conductivity ◽  
Phosphotungstic Acid ◽  
Proton Conduction ◽  
High Density ◽  
Nanofiber Membrane ◽  
New Type ◽  
High Flexibility

Polyethyleneimine (PEI) is expected to become a new type of proton conduction booster due to its high density amine and extremely high flexibility. Herein, a nanofiber membrane (eHPW-PEI) composed of...

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