ionic conductivity
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2022 ◽  
Vol 896 ◽  
pp. 163082
Jiahao Chen ◽  
Hong Zhang ◽  
Lin Yang ◽  
Hongzhu Chen ◽  
Junming Shao ◽  

2022 ◽  
Vol 210 ◽  
pp. 114475
Ziqi Zhang ◽  
Chuang Yu ◽  
Ruonan Xu ◽  
Linfeng Peng ◽  
Haotian Ren ◽  

2022 ◽  
Vol 896 ◽  
pp. 163084
Rui Gu ◽  
Jingrui Kang ◽  
Xu Guo ◽  
Jing Li ◽  
Kun Yu ◽  

2022 ◽  
Vol 521 ◽  
pp. 230947
Amin Liu ◽  
Shiyue Li ◽  
Zhenyu Jiang ◽  
Jian Du ◽  
Yehan Tao ◽  

Nanomaterials ◽  
2022 ◽  
Vol 12 (2) ◽  
pp. 273
Rosa M. González-Gil ◽  
Mateu Borràs ◽  
Aiman Chbani ◽  
Tiffany Abitbol ◽  
Andreas Fall ◽  

A new gel polymer electrolyte (GPE) based supercapacitor with an ionic conductivity up to 0.32–0.94 mS cm−2 has been synthesized from a mixture of an ionic liquid (IL) with nanocellulose (NC). The new NC-ionogel was prepared by combining the IL 1-ethyl-3-methylimidazolium dimethyl phosphate (EMIMP) with carboxymethylated cellulose nanofibers (CNFc) at different ratios (CNFc ratio from 1 to 4). The addition of CNFc improved the ionogel properties to become easily printable onto the electrode surface. The new GPE based supercapacitor cell showed good electrochemical performance with specific capacitance of 160 F g−1 and an equivalent series resistance (ESR) of 10.2 Ω cm−2 at a current density of 1 mA cm−2. The accessibility to the full capacitance of the device is demonstrated after the addition of CNFc in EMIMP compared to the pristine EMIMP (99 F g−1 and 14.7 Ω cm−2).

2022 ◽  
Thomas Defferriere ◽  
Dino Klotz ◽  
Juan Carlos Gonzalez-Rosillo ◽  
Jennifer L. M. Rupp ◽  
Harry L. Tuller

Polymers ◽  
2022 ◽  
Vol 14 (2) ◽  
pp. 300
Rajangam Vinodh ◽  
Raji Atchudan ◽  
Hee-Je Kim ◽  
Moonsuk Yi

In recent years, ion electrolyte membranes (IEMs) preparation and properties have attracted fabulous attention in fuel cell usages owing to its high ionic conductivity and chemical resistance. Currently, perfluorinatedsulfonicacid (PFSA) membrane has been widely employed in the membrane industry in polymer electrolyte membrane fuel cells (PEMFCs); however, NafionTM suffers reduced proton conductivity at a higher temperature, requiring noble metal catalyst (Pt, Ru, and Pt-Ru), and catalyst poisoning by CO. Non-fluorinated polymers are a promising substitute. Polysulfone (PSU) is an aromatic polymer with excellent characteristics that have attracted membrane scientists in recent years. The present review provides an up-to-date development of PSU based electrolyte membranes and its composites for PEMFCs, alkaline membrane fuel cells (AMFCs), and direct methanol fuel cells (DMFCs) application. Various fillers encapsulated in the PEM/AEM moiety are appraised according to their preliminary characteristics and their plausible outcome on PEMFC/DMFC/AMFC. The key issues associated with enhancing the ionic conductivity and chemical stability have been elucidated as well. Furthermore, this review addresses the current tasks, and forthcoming directions are briefly summarized of PEM/AEMs for PEMFCs, DMFCs, AMFCs.

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