Results 241 to 250 of about 181,675 (301)

Proton Exchange Membrane with Dual-Active-Center Surpasses the Conventional Temperature Limitations of Fuel Cells. [PDF]

Adv Sci (Weinh)
Liao Y, Zhao S, Wang R, Zhang J, Li H, Liu B, Li Y, Zhang A, Tian T, Tang H.   +9 more
europepmc   +1 more source

Support-free iridium hydroxide for high-efficiency proton-exchange membrane water electrolysis. [PDF]

Nat Commun
Chen Y, Dai C, Wu Q, Li H, Xi S, Seow JZY, Luo S, Meng F, Bo Y, Xia Y, Jia Y, Fisher AC, Xu ZJ.   +12 more
europepmc   +1 more source

Strain heterogeneity in RuO₂ for efficient acidic oxygen evolution reaction in proton exchange membrane water electrolysis. [PDF]

Nat Commun
Cao X, Miao L, Jia W, Qin H, Lin G, Ma R, Jin T, Jiao L.   +7 more
europepmc   +1 more source

Mesoporous Co-N-C Supported L1₀-PtCo Alloy Enables Fast Mass Transport for Proton Exchange Membrane Fuel Cells. [PDF]

Small
Nie Y, Li Q, Jia C, Zheng X, Shi Z, Wang S, Meyer Q, Li XH, Zhao C.   +8 more
europepmc   +1 more source

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Proton exchange membranes for high temperature proton exchange membrane fuel cells: Challenges and perspectives

Journal of Power Sources, 2022
Min Xiao, Dong mei Han, Zhiheng
exaly   +2 more sources

Biomimetic N-Doped Graphene Membrane for Proton Exchange Membranes

Nano Letters, 2021
Proton exchange membranes (PEMs) with both high selectivity and high permeance are of great demand in hydrogen-based applications, especially in fuel cells. Although graphene membranes have shown high selectivity of protons over other ions and molecules, the relatively low permeance of protons through perfect pristine graphene restricts its practical ...
Zhiyang Zeng, Ruiyang Song, Shengping Zhang, Xiao Han, Zhen Zhu, Xiaobo Chen, Luda Wang   +6 more
openaire   +2 more sources

New Anhydrous Proton Exchange Membrane for Intermediate Temperature Proton Exchange Membrane Fuel Cells

ChemPhysChem, 2011
Abstract Herein, we study the preparation and characterization of a new kind of proton exchange membrane. In the proton‐conducting membrane of poly(vinylidene fluoride) (PVDF)/poly(ethylene oxide) (PEO)/dodecyl benzenesulfonic acid (DBS‐H), we use PEO as “proton solvent” due to its flexible molecular chain ...
Baoying, Sun, Huanqiao, Song, Xinping, Qiu, Wentao, Zhu   +3 more
openaire   +2 more sources

Inorganic Proton Exchange Membranes

ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B, 2006
Direct Methanol Fuel Cells (DMFCs) offer advantages from quick refills to the elimination of recharge times. They show the most potential in efficient chemical to electrical energy conversion, but currently one major source of inefficiency within the DMFC system is the electrolyte allowing fuel to cross over from the anode to cathode.
Timothy Reissman, Austin Fang, Ephrahim Garcia, Brian J. Kirby, Romain Viard, Philippe M. Fauchet   +5 more
openaire   +1 more source

Synthesis and Characterization of Polyurethanic Proton Exchange Membranes

Journal of Fuel Cell Science and Technology, 2011
Novel proton exchange membranes have been prepared by in synthesis functionalization of a polyurethane matrix with a sulfonic group containing chain terminals. The synthesis procedure was based on the use of two polyethylene glycols with nominal molecular weight of 300 and 1 k and 4,4′ dicyclohexylmethane diisocyanate in presence of the sodium salt of ...
BOTTINO, ALDO, CAPANNELLI, GUSTAVO, COMITE, ANTONIO, COSTA, CAMILLA   +3 more
openaire   +2 more sources

A comparison of alkaline and proton exchange membrane electrolyzers

Russian Journal of Physical Chemistry A, 2008
Faraday efficiencies and energy consumptions of a small commercial proton exchange membrane (PEM) and an alkaline electrolyzer designed at our laboratory and equipped with different cathode materials were determined. Our experimental data indicate that the alkaline electrolyzer has a higher Faraday efficiency than the PEM electrolyzer, but, on the ...
Stojić, Dragica Lj., Grozdić, Tomislav D., Umićević, Ana, Maksić, Aleksandar   +3 more
openaire   +2 more sources