Results 201 to 210 of about 14,868 (288)

Monitoring Hydrogen Crossover Through Commercial Separators via a Facile In Situ Electrochemical Detection Method

open access: yesChemElectroChem, Volume 13, Issue 12, 17 June 2026.
A fast, low‐cost electrochemical method to monitor hydrogen crossover in lab‐scale, ambient‐pressure electrolysis cells is presented. Using a four‐electrode setup and combining voltammetry and chronoamperometry, six commercial separators are compared in three different electrolytes, reliably distinguishing those with high hydrogen impermeability ...
Tongsheng Bi   +7 more
wiley   +1 more source

Dynamic Oxygen Species Evolution Boosts Acidic Water Oxidation on W‐Doped RuO2

open access: yesChemElectroChem, Volume 13, Issue 12, 17 June 2026.
Dynamic oxygen species evolution is triggered in tungsten‐doped RuO2 through regulated lattice oxygen diffusion kinetics during acidic oxygen evolution. An optimized oxygen diffusion coefficient balances lattice oxygen participation and vacancy replenishment, driving the transformation from defective low‐coordination sites into a stable six‐coordinated
Bichen Yuan   +8 more
wiley   +1 more source

Pure Water‐Fed Photoelectrochemical Water Splitting Using a Porous WO3 Electrode Surface‐Modified With Perfluorosulfonic Acid Ionomer

open access: yesChemSusChem, Volume 19, Issue 11, 15 June 2026.
This study demonstrates a proton exchange membrane (PEM)‐based photoelectrochemical (PEC) system for pure‐water splitting using a porous tungsten oxide (WO3) photoanode coated with a perfluorosulfonic acid (PFSA) ionomer. Proton transport at the WO3 surface is the rate‐limiting step for oxygen evolution, and the ionomer surface modification is ...
Keisuke Tsushiro, Fumiaki Amano
wiley   +1 more source

Sandwich‐Structured Covalent Organic Framework as a Proton Exchange Membrane

open access: yesChemSusChem, Volume 19, Issue 11, 15 June 2026.
A sandwich‐structured covalent organic framework membrane, with a TpSB‐(SO3H)2 layer confined between TpBD‐(SO3H)2 layers, delivers high proton conductivity and markedly reduced humidity dependence. The layered design improves water retention and dimensional stability, enabling superior proton transport under intermediate‐to‐low humidity at 100°C and ...
Minami Kato   +4 more
wiley   +1 more source

Porous Membrane Electrode Assembly for Electrosynthesis of High‐Purity and High‐Concentration Hydrogen Peroxide

open access: yesAdvanced Sustainable Systems, Volume 10, Issue 6, June 2026.
Porous proton‐exchange membrane electrolysis enables the synthesis of electrolyte‐free H2O2 at low cell resistance. Optimized Nafion loading to the porous membrane, acid‐treated Co─N─C single‐atom catalysts, and hydrophilic SiO2 achieved H2O2 Faradaic efficiency (FE) of 75% at 100 mA cm−2 with ∼2.3 V.
Kazuma Enomoto   +4 more
wiley   +1 more source

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