نتایج جستجو برای: high performance polymer

تعداد نتایج: 2927140  

2010
Jun Young Kim Dae Young Lim

This paper describes the fabrication of novel modified polyethylene (PE) membranes using plasma technology to create high-performance and cost-effective separator membranes for practical applications in lithium-ion polymer batteries. The modified PE membrane via plasma modification process plays a critical role in improving wettability and electrolyte retention, interfacial adhesion between sep...

Journal: :Solar RRL 2023

Along with the development of narrow‐bandgap A–D–A and A–DA’D–A‐type small‐molecule acceptors (SMAs), polymer solar cells (PSCs) have witnessed a striking progress, an impressing power conversion efficiency (PCE) approaching 20% recently. Aiming to realize future commercial application organic photovoltaic (OPV) technology, developing more efficient conjugated materials is urgently needed. Bene...

Journal: :IEICE Transactions 2011
Remi Kawakami Satoshi Niiyama Yutaka Nakagawa Yuji Soda

We proposed a novel UV curable reactive mesogen monomer for VA-LCD with Polymer-Sustained (Stabilized) Vertical Alignment (PSVA) which shows a high display performance. The experimental results reveal that the PSVA by the novel-monomer realizes less image sticking and better response time. key words: polymer-sustained (polymer-stabilized), phase separation, reactive mesogen, VA-LCD, PSVA

2015
Soosan Rowshanzamir

Proton exchange membranes (PEMs) play an important role in the fuel cell systems. A good PEM must meet a series of requirements such as high proton conductivity, excellent mechanical strength and stability, chemical and electrochemical stability, low fuel crossover, etc. Nafion is currently the most commercially utilized electrolyte membranes for polymer electrolyte fuel cells, with high chemic...

2014
A. Semalty

Metformin hydrochloride is biguanide used as oral hypoglycemic agent. But its shows short biological half life (t1/2 3-4) which leads to high dosage frequency. Therefore, the present study aims to prepare the controlled release formulation of metformin hydrochloride loaded in the chitosan microspheres. It also involves the study of the effect drug to polymer ratio on the performance of chitosan...

2004
Ji Su Tian-Bing Xu Shujun Zhang Thomas R. Shrout Qiming Zhang

A hybrid actuation system (HYBAS) utilizing advantages of a combination of electromechanical responses of an electroative polymer (EAP), an electrostrictive copolymer, and an electroactive ceramic single crystal, PZN-PT single crystal, has been developed. The system employs the contribution of the actuation elements cooperatively and exhibits a significantly enhanced electromechanical performan...

2017
Doudou Zhang Xiaoya Jiang Haiyan Liu

In the present work, polymer monolithic columns were prepared via atom transfer radical polymerization technique by using triallyl isocyanurate as monomer, ethylene glycol dimethacrylate as cross linking agent, polyethyleneglycol 200 and 1,4-butylene glycol as binary porogens, N,N-dimethylformamide as solvent, FeCl2 as catalyst, and CCl4 as initiator. Different monolithic columns were obtained ...

2018
Hongtao Qu Jianjun Zhang Aobing Du Bingbing Chen Jingchao Chai Nan Xue Longlong Wang Lixin Qiao Chen Wang Xiao Zang Jinfeng Yang Xiaogang Wang Guanglei Cui

Due to its high theoretical energy density (2600 Wh kg-1), low cost, and environmental benignity, the lithium-sulfur (Li-S) battery is attracting strong interest among the various electrochemical energy storage systems. However, its practical application is seriously hampered by the so-called shuttle effect of the highly soluble polysulfides. Herein, a novel design of multifunctional sandwich-s...

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