☆ 4.6 Review

Advances in nuclear magnetic resonance spectroscopy: case of proton conductive materials

JOURNAL OF MATERIALS CHEMISTRY A (2023)

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Review Biochemistry & Molecular Biology

Ion and Molecular Transport in Solid Electrolytes Studied by NMR

Vitaly Volkov et al.

Summary: This review focuses on the progress of solvation and mobility studies in solid electrolyte, particularly ion-exchange membranes and composite materials, using NMR techniques. The applications of various NMR techniques are discussed, and comparisons are made between diffusion coefficients and ionic conductivity data. The microscopic mechanism of ionic transfer is also explored.

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES (2022)

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Review Clinical Neurology

Emerging MR Imaging and Spectroscopic Methods to Study Brain Tumor Metabolism

Manoj Kumar et al.

Summary: Proton magnetic resonance spectroscopy (H-1-MRS) is a non-invasive method to analyze the biochemical profile of brain tumors. Traditional H-1-MRS methods face challenges in spatial coverage and resolution. In recent years, more advanced metabolic imaging and spectroscopic sequences have greatly influenced the field of neuro-oncologic metabolomics. This review article summarizes the potential clinical applications of emerging techniques in studying brain tumor metabolism.

FRONTIERS IN NEUROLOGY (2022)

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Review Biochemistry & Molecular Biology

Polymer Electrolytes for Lithium-Ion Batteries Studied by NMR Techniques

Vitaly I. Volkov et al.

Summary: This review summarizes the development of different types of novel polymer electrolytes for lithium power sources in the past decade, focusing on their compositions, conductivity, and ion transport mechanism. The use of NMR techniques, quantum chemical calculations, and ionic conductivity methods has provided insights into the nanochannel structure, ion complexes, and mobilities of cations and anions in polymer electrolytes.

MEMBRANES (2022)

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Article Chemistry, Multidisciplinary

Mobility of water molecules in Li+, Na+ and Cs+ ionic forms of Nafion membrane studied by NMR

Nikita A. Slesarenko et al.

Summary: For the first time, the correlation times and diffusion coefficients of water molecules in Li+, Na+, and Cs+ ionic forms of Nafion 117 membrane were measured using H-1 spin relaxation and pulsed field gradient NMR. The hydration numbers of Li+, Na+, and Cs+ cations were also calculated. It was found that the macroscopic transfer at high humidity is controlled by the local translational motion of water molecules.

MENDELEEV COMMUNICATIONS (2022)

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Article Chemistry, Physical

Mobility of Li+, Na+, Cs+ Cations in Sulfocation-Exchange Membranes Based on Polyethylene and Grafted Sulfonated Polystyrene Studied by NMR Relaxation

V. I. Volkov et al.

Summary: The mobility of alkaline metal cations Li+, Na+, Cs+ in polyethylene and sulfonated grafted polystyrene membranes was studied using NMR relaxation technique. The interaction between nuclear quadrupole moment and electric field gradient generated by cation hydrated water molecules and sulfonate groups was found to contribute to spin relaxation. The translational cation mobility was calculated from the temperature dependences of spin-lattice (T1) and spin-spin (T2) relaxation, and it was observed that cation mobility followed the order Li+ < Na+ < Cs+. Comparison of diffusion coefficients calculated from NMR relaxation with macroscopic diffusion coefficients measured by other techniques revealed that membrane conductivity is limited by ion transfer in narrow pores with low functional group concentration.

MEMBRANES AND MEMBRANE TECHNOLOGIES (2022)

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Article Biochemistry & Molecular Biology

Highly Proton-Conducting Membranes Based on Poly(arylene ether)s with Densely Sulfonated and Partially Fluorinated Multiphenyl for Fuel Cell Applications

Tzu-Sheng Huang et al.

Summary: The study successfully synthesized a series of partially fluorinated sulfonated poly(arylene ether) membranes with good mechanical properties and high proton conductivity, which showed excellent performance in fuel cells. The membranes demonstrated significant dimensional and oxidative stability while maintaining outstanding cell performance.

MEMBRANES (2021)

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Review Biochemistry & Molecular Biology

Molecular and Ionic Diffusion in Ion Exchange Membranes and Biological Systems (Cells and Proteins) Studied by NMR

Vitaliy Volkov et al.

Summary: The results of NMR, especially PFG NMR investigations, summarize the direct investigation of partial self-diffusion processes in different materials and the widespread application of this technique in areas such as lithium batteries and fuel cells. Additionally, the exchange processes in biological cells and molecular association of proteins were discussed as another field of application for PFG NMR.

MEMBRANES (2021)

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Review Energy & Fuels

Carbon nanotube, graphene oxide and montmorillonite as conductive fillers in polymer electrolyte membrane for fuel cell: an overview

Maryam Taufiq Musa et al.

Summary: Carbon nanotube, graphene oxide, and montmorillonite are highly promising conductive fillers with outstanding cell performances based on previous studies. These materials are chosen as incorporated fillers recently due to their rolling up direction (chirality vector of graphene sheet), reactive functional groups attached on the carbon atoms and ionic multilayers of the tetrahedral and octahedral sheet, respectively. High proton conductivity, low electronic conductivity, low fuel permeability, low water transport, low production cost, and high mechanical stability in both dry and wet condition are properties that should be portrayed by a good hybrid membrane.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2021)

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Article Chemistry, Physical

Nuclear Magnetic Resonance: A Spectroscopic Probe to Understand the Electronic Structure and Reactivity of Molecules and Materials

Christopher P. Gordon et al.

Summary: Chemical shift can be used to identify and characterize the electronic structure and reactivity of molecules and materials, particularly in the areas of organometallic compounds and inorganic materials relevant to catalysis.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2021)

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Article Electrochemistry

Conceptual Membraneless Fuel Cell Device Based On Ionic Liquid|Water Interface

Keyla Teixeira Santos et al.

Summary: Ionic liquids are considered a new-generation electrolyte for electrochemical devices, forming a liquid-liquid interface with water due to their hydrophobicity. By utilizing the IL-water interface, a membraneless energy generation device combining oxygen reduction and hydrogen oxidation reactions can be constructed, achieving high open circuit voltage and power density at room temperature. The device has potential for improvement in fuel cell power and design.

CHEMELECTROCHEM (2021)

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Review Polymer Science

Use of Solid-State NMR Spectroscopy for the Characterization of Molecular Structure and Dynamics in Solid Polymer and Hybrid Electrolytes

Gabrielle Foran et al.

Summary: Solid-state NMR spectroscopy is an established experimental technique used to characterize the structural and dynamic properties of materials, including lithium and sodium-based solid electrolytes. This review discusses various solid-state NMR experiments commonly used in polymer and hybrid electrolyte systems, providing examples and discussing the strengths and weaknesses of each technique. It aims to assist in selecting appropriate solid-state NMR experiments for analyzing these systems.

POLYMERS (2021)

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Article Electrochemistry

Mitigation of water and electrolyte imbalance in all-vanadium redox flow batteries

Jeongmin Shin et al.

Summary: This study introduces a new operating strategy for VRFBs by utilizing water and sulfuric acid at different concentrations as initial supporting electrolytes to alleviate electrolyte imbalance. Numerical simulations demonstrate that controlling the initial anolyte and catholyt compositions can effectively reduce the degree of electrolyte imbalance.

ELECTROCHIMICA ACTA (2021)

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Review Energy & Fuels

A review of alternative polymer electrolyte membrane for fuel cell application based on sulfonated poly(ether ether ketone)

Nur Ain Masleeza Harun et al.

Summary: SPEEK is recognized as a promising alternative PEM in fuel cell applications due to its advantageous properties, but its proton conductivity is influenced by the degree of sulfonation. While high DS of SPEEK can produce high proton conductivity, excessive production of DS may have side effects on membrane stability. Therefore, finding the optimal DS of SPEEK is crucial for fabricating PEM alternatives.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2021)

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Article Chemistry, Multidisciplinary

A New Solid-State Proton Conductor: The Salt Hydrate Based on Imidazolium and 12-Tungstophosphate

Anna Martinelli et al.

Summary: The study presents a novel solid-state proton conductor obtained through acid-base chemistry, showing higher proton conductivity and densely packed solid structure. Computational results suggest that the proton transfer primarily involves imidazole and water molecules, with the Keggin anion contributing to lowering the energy barrier.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Review Chemistry, Physical

Swelling layered minerals applications: A solid state NMR overview

Esperanza Pavon et al.

Summary: Swelling layered clay minerals, characterized by their ability to expand or contract in the presence or absence of water, have a wide range of applications. Solid State Nuclear Magnetic Resonance (SS-NMR) plays a crucial role in the characterization of these materials, providing valuable information on their dynamics and structure that is inaccessible using other methods.

PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY (2021)

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Article Chemistry, Physical

Hydration, self-diffusion and ionic conductivity of Li+, Na+ and Cs+ cations in Nafion membrane studied by NMR

Vitaly Volkov et al.

Summary: The hydration and cation self-diffusion coefficients of Nafion 117 perfluorinated sulfonic cation-exchange membrane in alkaline ion forms were investigated using high resolution H-1 NMR and pulsed field gradient NMR techniques. The study revealed that Cs+ cation directly contacts with the membrane sulfonate group, while Li+ and Na+ form separate ion pairs. Ionic conductivities calculated from cation self-diffusion coefficients closely approximate to those measured by impedance spectroscopy, with Cs+ showing a distinctly higher self-diffusion activation energy compared to Li+ and Na+.

SOLID STATE IONICS (2021)

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Review Multidisciplinary Sciences

Solid-state NMR spectroscopy

Bernd Reif et al.

Summary: Solid-state nuclear magnetic resonance (NMR) spectroscopy is an atomic-level method to determine the chemical structure, 3D structure, and dynamics of solids and semi-solids, with most high-resolution solid-state NMR spectra measured under magic-angle spinning (MAS). Common experiments and data analysis approaches in solid-state NMR are summarized, highlighting applications in biology, chemistry, and materials sciences.

NATURE REVIEWS METHODS PRIMERS (2021)

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Article Nanoscience & Nanotechnology

Flexible and Adaptable Fuel Cell Pack with High Energy Density Realized by a Bifunctional Catalyst

Huihui Wang et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Energy & Fuels

Structural Evolution of Organic Matter in Deep Shales by Spectroscopy (H-1 and C-13 Nuclear Magnetic Resonance, X-ray Photoelectron Spectroscopy, and Fourier Transform Infrared) Analysis

Hyeonseok Lee et al.

ENERGY & FUELS (2020)

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Article Environmental Sciences

The criticality of growth, urbanization, electricity and fossil fuel consumption to environment sustainability in Africa

Simplice A. Asongu et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2020)

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Review Polymer Science

Ionic Liquid-Based Electrolytes for Energy Storage Devices: A Brief Review on Their Limits and Applications

K. Karuppasamy et al.

POLYMERS (2020)

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Article Electrochemistry

A novel proton conducting ionogel electrolyte based on poly(ionic liquids) and protic ionic liquid

Jun Rao et al.

ELECTROCHIMICA ACTA (2020)

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Article Geosciences, Multidisciplinary

Global Carbon Budget 2020

Pierre Friedlingstein et al.

EARTH SYSTEM SCIENCE DATA (2020)

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Article Multidisciplinary Sciences

Two-dimensional nuclear magnetic resonance spectroscopy with a microfluidic diamond quantum sensor

Janis Smits et al.

SCIENCE ADVANCES (2019)

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Article Chemistry, Physical

Proton diffusion facilitated by indirect interactions between proton donors through several hydrogen bonds

Takaya Ogawa et al.

CHEMICAL PHYSICS LETTERS (2019)

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Review Energy & Fuels

Hydrogen Fuel Cell Technology for the Sustainable Future of Stationary Applications

Raluca-Andreea Felseghi et al.

ENERGIES (2019)

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Review Materials Science, Multidisciplinary

Solid-state nuclear magnetic resonance spectroscopy of cements

B. Walkley et al.

MATERIALS TODAY ADVANCES (2019)

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Article Energy & Fuels

Life cycle environmental and economic sustainability of Stirling engine micro-CHP systems

Laurence Stamford et al.

ENERGY TECHNOLOGY (2018)

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Article Chemistry, Analytical

Recent Advances in Solid-State Nuclear Magnetic Resonance Spectroscopy

Sharon E. Ashbrook et al.

ANNUAL REVIEW OF ANALYTICAL CHEMISTRY, VOL 11 (2018)

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Article Chemistry, Analytical

Environmental Nuclear Magnetic Resonance Spectroscopy: An Overview and a Primer

Andre J. Simpson et al.

ANALYTICAL CHEMISTRY (2018)

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Article Chemistry, Physical

Revealing Local Dynamics of the Protonic Conductor CsH(PO3H) by Solid-State NMR Spectroscopy and First-Principles Calculations

Gunwoo Kim et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2017)

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Article Chemistry, Physical

Achieving enhanced ionic mobility in nanoporous silica by controlled surface interactions

Mounesha Nagendrachar Garaga et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2017)

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Article Multidisciplinary Sciences

Lattice-geometry effects in garnet solid electrolytes: a lattice-gas Monte Carlo simulation study

Benjamin J. Morgan

ROYAL SOCIETY OPEN SCIENCE (2017)

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Article Chemistry, Physical

1H-1H Double Quantum NMR Investigation of Proton Dynamics in Solid Acids

Nicole E. De Almeida et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2016)

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Article Electrochemistry

Enhancement of proton mobility and mitigation of methanol crossover in sPEEK fuel cells by an organically modified titania nanofiller

Catia de Bonis et al.

JOURNAL OF SOLID STATE ELECTROCHEMISTRY (2016)

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Article Chemistry, Physical

Local coordination and dynamics of a protic ammonium based ionic liquid immobilized in nano-porous silica micro-particles probed by Raman and NMR spectroscopy

Mounesha N. Garaga et al.

SOFT MATTER (2016)

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Article Chemistry, Physical

1H Solid-State NMR Study of Nanothin Nafion Films

Nicole E. De Almeida et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2015)

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Article Chemistry, Multidisciplinary

Characterization of the Dynamics in the Protonic Conductor CsH2PO4 by 17O Solid-State NMR Spectroscopy and First-Principles Calculations: Correlating Phosphate and Protonic Motion

Gunwoo Kim et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2015)

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Article Chemistry, Physical

14N overtone NMR under MAS: signal enhancement using symmetry-based sequences and novel simulation strategies

Ibraheem M. Haies et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2015)

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Article Electrochemistry

Methanol and proton transport in layered double hydroxide and smectite clay-based composites: influence on the electrochemical behavior of direct methanol fuel cells at intermediate temperatures

I. Nicotera et al.

JOURNAL OF SOLID STATE ELECTROCHEMISTRY (2015)

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Article Chemistry, Analytical

Differentiating Grotthuss Proton Conduction Mechanisms by Nuclear Magnetic Resonance Spectroscopic Analysis of Frozen Samples

Takaya Ogawa et al.

ANALYTICAL CHEMISTRY (2014)

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Article Physics, Atomic, Molecular & Chemical

NMR Investigations of the Protonic Transport Mechanism in Composed Materials on the Basis of Cesium Acid Sulfates and Phosphates

Alexander V. Chernyak et al.

APPLIED MAGNETIC RESONANCE (2014)

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Article Chemistry, Physical

Insight into Local Structure and Molecular Dynamics in Organic Solid-State Ionic Conductors

Haijin Zhu et al.

CHEMPHYSCHEM (2014)

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Article Biophysics

Measuring translational diffusion coefficients of peptides and proteins by PFG-NMR using band-selective RF pulses

Shenggen Yao et al.

EUROPEAN BIOPHYSICS JOURNAL WITH BIOPHYSICS LETTERS (2014)

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Article Chemistry, Physical

Measuring the Proton Conductivity of Ion-Exchange Membranes Using Electrochemical Impedance Spectroscopy and Through-Plane Cell

Francielli Mueller et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2014)

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Article Chemistry, Physical

Probing Ion Exchange in the Triflic Acid-Guanidinium Triflate System: A Solid-State Nuclear Magnetic Resonance Study

Haijin Zhu et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2014)

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Article Chemistry, Physical

Conductivity and Wettability Changes of Ultrathin Nafion Films Subjected to Thermal Annealing and Liquid Water Exposure

Devproshad K. Paul et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2014)

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Article Chemistry, Physical

Proton dynamics in sulfonated ionic salt composites: Alternative membrane materials for proton exchange membrane fuel cells

N. E. De Almeida et al.

JOURNAL OF POWER SOURCES (2014)

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Review Chemistry, Physical

Status of hydrogen fuel cell electric buses worldwide

Thanh Hua et al.

JOURNAL OF POWER SOURCES (2014)

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Article Chemistry, Multidisciplinary

Enhancing Proton Conduction in 2D Co-La Coordination Frameworks by Solid-State Phase Transition

Song-Song Bao et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2014)

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Article Chemistry, Multidisciplinary

Anhydrous proton motion study by solid state NMR spectroscopy in novel PEMFC blend membranes composed of fluorinated copolymer bearing 1,2,4-triazole functional groups and sPEEK

Benjamin Campagne et al.

RSC ADVANCES (2014)

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Article Chemistry, Physical

Proton transport behaviour and molecular dynamics in the guanidinium triflate solid and its mixtures with triflic acid

Haijin Zhu et al.

JOURNAL OF MATERIALS CHEMISTRY A (2014)

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Article Chemistry, Physical

14N overtone NMR spectra under magic angle spinning: Experiments and numerically exact simulations

Luke A. O'Dell et al.

JOURNAL OF CHEMICAL PHYSICS (2013)

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Article Chemistry, Physical

Understanding the Conduction Mechanism of the Protonic Conductor CsH2PO4 by Solid-State NMR Spectroscopy

Gunwoo Kim et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2013)

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Article Chemistry, Physical

Dynamics of benzimidazole ethylphosphonate: a solid-state NMR study of anhydrous composite proton-conducting electrolytes

Z. Blossom Yan et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2013)

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Article Chemistry, Physical

Perfluorosulfonic acid ionomer - silica composite membranes prepared using hyperbranched polyethoxysiloxane for polymer electrolyte membrane fuel cells

Carmen I. Horvat et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2012)

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Article Chemistry, Physical

Proton Hopping and Long-Range Transport in the Protic Ionic Liquid [Im][TFSI], Probed by Pulsed-Field Gradient NMR and Quasi-Elastic Neutron Scattering

Megan L. Hoarfrost et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2012)

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Article Polymer Science

In-situ study of the structure and dynamics of thermo-responsive PNIPAAm grafted on a cotton fabric

Hengrui Yang et al.

POLYMER (2012)

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Review Polymer Science

Alternatives toward proton conductive anhydrous membranes for fuel cells: Heterocyclic protogenic solvents comprising polymer electrolytes

Sevim Unugur Celik et al.

PROGRESS IN POLYMER SCIENCE (2012)

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Article Chemistry, Multidisciplinary

Graphene-Based Nafion Nanocomposite Membranes: Enhanced Proton Transport and Water Retention by Novel Organo-functionalized Graphene Oxide Nanosheets

Apostolos Enotiadis et al.

SMALL (2012)

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Article Chemistry, Physical

Proton conductivity and diffusion in molten phosphinic acid (H3PO2): The last member of the phosphorus oxoacid proton conductor family

Linas Vilciauskas et al.

SOLID STATE IONICS (2012)

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Article Chemistry, Multidisciplinary

Direct View on Nanoionic Proton Mobility

Wing K. Chan et al.

ADVANCED FUNCTIONAL MATERIALS (2011)

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Review Biochemistry & Molecular Biology

An introduction to NMR-based approaches for measuring protein dynamics

Ian R. Kleckner et al.

BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS (2011)

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Article Chemistry, Physical

Channel orientation anisotropy in perfluorosulfonic acid/SiO2 composite proton exchange membranes: Water self-diffusion study using NMR

Carmen Filipoi et al.

CHEMICAL PHYSICS LETTERS (2011)

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Review Chemistry, Multidisciplinary

Ionogels, ionic liquid based hybrid materials

Jean Le Bideau et al.

CHEMICAL SOCIETY REVIEWS (2011)

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Article Chemistry, Physical

Effective Improvement of Water-Retention in Nanocomposite Membranes Using Novel Organo-Modified Clays as Fillers for High Temperature PEMFCs

Isabella Nicotera et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2011)

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Article Chemistry, Physical

New proton conducting materials for technical applications: What can we learn from solid state NMR studies?

Robert Graf

SOLID STATE NUCLEAR MAGNETIC RESONANCE (2011)

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Article Polymer Science

Solid-State NMR Characterization of the Multiphase Structure of Polypropylene In-reactor Alloy

Haijin Zhu et al.

MACROMOLECULAR CHEMISTRY AND PHYSICS (2010)

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Article Chemistry, Multidisciplinary

Distribution and mobility of phosphates and sodium ions in cheese by solid-state 31P and double-quantum filtered 23Na NMR spectroscopy

Mallory Gobet et al.

MAGNETIC RESONANCE IN CHEMISTRY (2010)

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Article Chemistry, Physical

Synthesis and characterization of new zirconium 4-sulfophenylphosphonates

Vitezslav Zima et al.

SOLID STATE IONICS (2010)

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Article Chemistry, Multidisciplinary

Anhydrous Poly(2,5-benzimidazole)-Poly(vinylphosphonic Acid) Acid-Base Polymer Blends: a Detailed Solid-State NMR Investigation

Uemit Akbey et al.

AUSTRALIAN JOURNAL OF CHEMISTRY (2009)

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Article Chemistry, Physical

Rapid Measurements of Diffusion Using PFG: Developments and Applications of the Difftrain Pulse Sequence

Jonathan Mitchell et al.

CONCEPTS IN MAGNETIC RESONANCE PART A (2009)

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Article Chemistry, Physical

Proton Mobilities in Phosphonic Acid-Based Proton Exchange Membranes Probed by 1H and 2H Solid-State NMR Spectroscopy

Gunther Brunklaus et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2009)

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Article Chemistry, Physical

1H Solid-State NMR Investigation of Structure and Dynamics of Anhydrous Proton Conducting Triazole-Functionalized Siloxane Polymers

Uemit Akbey et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2009)

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Article Chemistry, Physical

Investigations of Proton Conduction in the Monoclinic Phase of RbH2PO4 Using Multinuclear Solid-State NMR

M. Vijayakumar et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2009)

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Article Electrochemistry

Electro-osmosis and Water Uptake in Polymer Electrolytes in Equilibrium with Water Vapor at Low Temperatures

Kevin G. Gallagher et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2009)

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Article Chemistry, Physical

Proton dynamics of CsH2PO4 studied by quasi-elastic neutron scattering and PFG-NMR

Ayumu Ishikawa et al.

SOLID STATE IONICS (2008)

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Article Chemistry, Multidisciplinary

Solid-state NMR studies of hydrogen bonding networks and proton transport pathways based on anion and cation dynamics

Jason W. Traer et al.

MAGNETIC RESONANCE IN CHEMISTRY (2007)

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Article Chemistry, Physical

A solid-state NMR study of hydrogen-bonding networks and ion dynamics in benzimidazole salts

Jason W. Traer et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2007)

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Article Electrochemistry

NMR characterization of composite polymer membranes for low-humidity PEM fuel cells

Isabella Nicotera et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2007)

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Review Chemistry, Multidisciplinary

Physical properties of ionic liquids: Database and evaluation

Suojiang Zhang et al.

JOURNAL OF PHYSICAL AND CHEMICAL REFERENCE DATA (2006)

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Article Polymer Science

Solid-state NMR study of two classic proton conducting polymers: Nafion and sulfonated poly(ether ether ketone)s

G Ye et al.

MACROMOLECULES (2006)

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Article Chemistry, Physical

Probing structure and dynamics in poly[2,2′-(m-phenylene)-5,5′-bibenzimidazole] fuel cells with magic-angle spinning NMR

CE Hughes et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2004)

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Review Chemistry, Multidisciplinary

Transport in proton conductors for fuel-cell applications: Simulations, elementary reactions, and phenomenology

KD Kreuer et al.

CHEMICAL REVIEWS (2004)

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Review Chemistry, Physical

Bronsted acid-base ionic liquids as proton-conducting nonaqueous electrolytes

A Noda et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2003)

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Review Chemistry, Physical

Review and analysis of PEM fuel cell design and manufacturing

V Mehta et al.

JOURNAL OF POWER SOURCES (2003)

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Article Chemistry, Physical

High-resolution solid-state NMR studies of imidazole-based proton conductors:: Structure motifs and chemical exchange from 1H NMR

GR Goward et al.

JOURNAL OF PHYSICAL CHEMISTRY B (2002)

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Article Biochemical Research Methods

A robust technique for two-dimensional separation of undistorted chemical-shift anisotropy powder patterns in magic-angle-spinning NMR

SF Liu et al.

JOURNAL OF MAGNETIC RESONANCE (2002)

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Article Chemistry, Physical

Quantum jumps in the PEMFC science and technology from the 1960s to the year 2000 Part II. Engineering, technology development and application aspects

P Costamagna et al.

JOURNAL OF POWER SOURCES (2001)

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Article Chemistry, Physical

The diffusion mechanism of an excess proton in imidazole molecule chains:: first results of an ab initio molecular dynamics study

W Münch et al.

SOLID STATE IONICS (2001)

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