A water-stable Ni(ii) diphosphonate exhibiting water vapor adsorption and water-assisted high proton conductivity

2019 ◽  
Vol 43 (2) ◽  
pp. 807-812 ◽  
Author(s):  
Hailong Xu ◽  
Lu Feng ◽  
Wentao Huang ◽  
Qiaoyun Wang ◽  
Hong Zhou

A new nickel phosphonate has been synthesized, and its thermal properties, water stability, water vapor adsorption and proton conduction have been investigated.

2020 ◽  
Vol 11 (15) ◽  
pp. 3978-3985 ◽  
Author(s):  
Jing Cao ◽  
Wenjie Ma ◽  
Kangjie Lyu ◽  
Lin Zhuang ◽  
Hengjiang Cong ◽  
...  

Twist and sliding dynamics observed in a titanium catecholate MOF induced by imidazole for efficient proton conduction.


2015 ◽  
Vol 44 (3) ◽  
pp. 948-954 ◽  
Author(s):  
Shu-Na Zhao ◽  
Xue-Zhi Song ◽  
Min Zhu ◽  
Xing Meng ◽  
Lan-Lan Wu ◽  
...  

Three MOFs with different structures all exhibit proton conduction behavior, especially for the Cu compound with a proton conductivity of 3.46 × 10−3 S cm−1 at 368 K and 95% RH.


2020 ◽  
Vol 7 (20) ◽  
pp. 3919-3924
Author(s):  
Zeng-Kui Zhu ◽  
Li-Dan Lin ◽  
Jing Zhang ◽  
Xin-Xiong Li ◽  
Yan-Qiong Sun ◽  
...  

A rare 3D porous chiral polyoxoniobate framework has been constructed from two types of isomeric {Cu(en)2KNb24O72} clusters with a 4-connected neb-type topology. This compound exhibits proton conduction and high water vapor adsorption properties.


2019 ◽  
Vol 55 (17) ◽  
pp. 2497-2500 ◽  
Author(s):  
Liang He ◽  
Jayanta Kumar Nath ◽  
Er-Xia Chen ◽  
Heng-Dong Lai ◽  
Shan-Lin Huang ◽  
...  

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.


2020 ◽  
Vol 56 (3) ◽  
pp. 391-394 ◽  
Author(s):  
Shan Zhang ◽  
Ying Lu ◽  
Xiu-Wei Sun ◽  
Zhuo Li ◽  
Tian-Yi Dang ◽  
...  

A pure-inorganic framework 1 underwent a SCSC transformation to form a new framework 1′, which has high proton conductivity.


2019 ◽  
Vol 2019 ◽  
pp. 1-9 ◽  
Author(s):  
Manlin Li ◽  
Weiqiu Huang ◽  
Bo Tang ◽  
Fujiao Song ◽  
Aihua Lv ◽  
...  

The Cu-BTC, a widely studied metal-organic framework (MOF), has been applied in various fields such as gas adsorption, separation, storage, and catalysis. However, the Cu-BTC collapses due to the replacement of the organic linker by water molecules under humid conditions, which limits its practical application in industries. In consideration of the undesirable water effect on the framework stability of Cu-BTC, a stable activated carbon (AC) was incorporated into it by the in situ method to yield a composite material AC/Cu-BTC with high water stability. XRD and SEM patterns proved that the AC7%/Cu-BTC successfully retains its crystal structure after being exposed to water molecules. The adsorption amount of n-hexane vapor of the AC7%/Cu-BTC after water vapor adsorption-thermal desorption is 307% of that of the Cu-BTC. The addition of the AC changes the adsorption active sites and reduces the strong affinity of the Cu-BTC to water molecules, resulting in the AC7%/Cu-BTC having a much lower adsorption rate for water vapor than the Cu-BTC. Therefore, the AC7%/Cu-BTC can be protected from a large amount of water molecules and avoid structural collapse caused by the disconnection between the copper center and the organic linker. The composite displays a potential value for stable applications of MOF-based materials under ambient conditions.


2017 ◽  
Vol 5 (28) ◽  
pp. 14525-14529 ◽  
Author(s):  
Hao Wu ◽  
Fan Yang ◽  
Xiu-Liang Lv ◽  
Bin Wang ◽  
Yong-Zheng Zhang ◽  
...  

A highly stable porphyrinic MOF with free-carboxylic group functionalized pore surfaces exhibits a high proton conductivity of 3.9 × 10−2 S cm−1 at 80 °C and 97% RH, which is comparable to most of the reported proton conductive MOFs.


2019 ◽  
Vol 48 (20) ◽  
pp. 6690-6694 ◽  
Author(s):  
Liao-Kuo Gong ◽  
Ke-Zhao Du ◽  
Xiao-Ying Huang

Differences in electronegativity and hydrophilicity of halogens result in various proton conduction and photoluminescence properties in [PbX2(OOCMMIm)].


2018 ◽  
Vol 6 (17) ◽  
pp. 7724-7730 ◽  
Author(s):  
Wen-Hao Xing ◽  
Hai-Yang Li ◽  
Xi-Yan Dong ◽  
Shuang-Quan Zang

A new stable Zr-based MOP is successfully constructed. Unique cavity and 2D hydrogen-bonding networks endow the MOP with highly selective CO2 capture and excellent proton conduction.


2018 ◽  
Vol 5 (5) ◽  
pp. 1213-1217 ◽  
Author(s):  
Jia-Xuan Wang ◽  
Yi-Di Wang ◽  
Mei-Jie Wei ◽  
Hua-Qiao Tan ◽  
Yong-Hui Wang ◽  
...  

The development of new proton-conducting materials that are cost effective and have high proton conductivity and water stability is very important in fuel cell technology.


Sign in / Sign up

Export Citation Format

Share Document