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Haque MA, Hamilton ST, Feric TG, Park AHA, Dadmun MD. Elucidating the assembly of nanoparticle organic hybrid materials (NOHMs) near an electrode interface with varying potential using neutron reflectivity. Nanoscale 2024; 16:8521-8532. [PMID: 38592848 DOI: 10.1039/d3nr06621e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
A critical concern regarding electrolyte formulation in an electrochemical environment is the impact of the interaction of the multiple components (i.e., supporting electrolyte or additive) with the electrode surface. Recently, liquid-like neat Nanoparticle Organic Hybrid Materials (NOHMs) have been considered as an electrolyte component to improve the transport of redox-active species to the electrode surface. However, the structure and assembly of the NOHMs near the electrode surface is unknown and could significantly impact the electrode-electrolyte interface. Hence, we have investigated the depth profile of polyetheramine (HPE) polymer and NOHM-I-HPE (nanoparticles with ionically bonded HPE polymer) in deuterated water (D2O) in the presence of two different salts (KHCO3 and ZnCl2) near two different electrode surfaces using neutron reflectometry. Moreover, the depth profile of the NOHM-I-HPE near the electrode surface in a potential has also been studied with in situ reflectivity experiments. Our results indicate that a change in the chemical structure/hydrophilicity of the electrode surface does not significantly impact the ordering of HPE polymer or NOHM-I-HPE near the surface. This study also indicates that the NOHM-I-HPE particles form a clear layer near the electrode surface immediately above an adsorbed layer of free polymer on the electrode surface. The addition of salt does not impact the layering of NOHM-I-HPE, though it does alter the conformation of the polymer grafted to the nanoparticle surface and free polymer sequestered near the surface. Finally, the application of negative potential results in an increased amount of free polymer near the electrode surface. Correlating the depth profile of free polymer and NOHM-I-HPE particles with the electrochemical performance indicates that this assembly of free polymer near the electrode surface in NOHM-I-HPE solutions contributes to the higher current density of the system. Therefore, this holistic study offers insight into the importance of the assembly of NOHM-I-HPE electrolyte and free polymer near the electrode surface in an electrochemical milieu on its performance.
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Affiliation(s)
- Md Ashraful Haque
- Department of Chemistry, The University of Tennessee, Knoxville, TN, 37996, USA.
| | - Sara T Hamilton
- Department of Earth and Environmental Engineering, Columbia University, New York, NY 10027, USA
- Lenfest Center for Sustainable Energy, The Earth Institute, Columbia University, USA
| | - Tony G Feric
- Department of Chemical Engineering, Columbia University, New York, NY 10027, USA
- Lenfest Center for Sustainable Energy, The Earth Institute, Columbia University, USA
| | - Ah-Hyung Alissa Park
- Department of Chemical Engineering, Columbia University, New York, NY 10027, USA
- Department of Earth and Environmental Engineering, Columbia University, New York, NY 10027, USA
- Lenfest Center for Sustainable Energy, The Earth Institute, Columbia University, USA
| | - Mark D Dadmun
- Department of Chemistry, The University of Tennessee, Knoxville, TN, 37996, USA.
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Wang Y, Feric TG, Tang J, Fang C, Hamilton ST, Halat DM, Wu B, Celik H, Rim G, DuBridge T, Oshiro J, Wang R, Park AHA, Reimer JA. Carbon capture in polymer-based electrolytes. Sci Adv 2024; 10:eadk2350. [PMID: 38640239 PMCID: PMC11029803 DOI: 10.1126/sciadv.adk2350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 03/19/2024] [Indexed: 04/21/2024]
Abstract
Nanoparticle organic hybrid materials (NOHMs) have been proposed as excellent electrolytes for combined CO2 capture and electrochemical conversion due to their conductive nature and chemical tunability. However, CO2 capture behavior and transport properties of these electrolytes after CO2 capture have not yet been studied. Here, we use a variety of nuclear magnetic resonance (NMR) techniques to explore the carbon speciation and transport properties of branched polyethylenimine (PEI) and PEI-grafted silica nanoparticles (denoted as NOHM-I-PEI) after CO2 capture. Quantitative 13C NMR spectra collected at variable temperatures reveal that absorbed CO2 exists as carbamates (RHNCOO- or RR'NCOO-) and carbonate/bicarbonate (CO32-/HCO3-). The transport properties of PEI and NOHM-I-PEI studied using 1H pulsed-field-gradient NMR, combined with molecular dynamics simulations, demonstrate that coulombic interactions between negatively and positively charged chains dominate in PEI, while the self-diffusion in NOHM-I-PEI is dominated by silica nanoparticles. These results provide strategies for selecting adsorbed forms of carbon for electrochemical reduction.
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Affiliation(s)
- Yang Wang
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
| | - Tony G. Feric
- Department of Chemical Engineering, Columbia University, New York, NY 10027, USA
- Lenfest Center for Sustainable Energy, Columbia University, New York, NY 10027, USA
| | - Jing Tang
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
- Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA
| | - Chao Fang
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Sara T. Hamilton
- Lenfest Center for Sustainable Energy, Columbia University, New York, NY 10027, USA
- Department of Earth and Environmental Engineering, Columbia University, New York, NY 10027, USA
| | - David M. Halat
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Bing Wu
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
| | - Hasan Celik
- College of Chemistry Nuclear Magnetic Resonance Facility (CoC-NMR), University of California, Berkeley, CA 94720, USA
| | - Guanhe Rim
- Lenfest Center for Sustainable Energy, Columbia University, New York, NY 10027, USA
- Department of Earth and Environmental Engineering, Columbia University, New York, NY 10027, USA
| | - Tara DuBridge
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
| | - Julianne Oshiro
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
| | - Rui Wang
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Ah-Hyung Alissa Park
- Department of Chemical Engineering, Columbia University, New York, NY 10027, USA
- Lenfest Center for Sustainable Energy, Columbia University, New York, NY 10027, USA
- Department of Earth and Environmental Engineering, Columbia University, New York, NY 10027, USA
| | - Jeffrey A. Reimer
- Department of Chemical and Biomolecular Engineering, College of Chemistry, UC Berkeley, Berkeley, CA 94720, USA
- Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
- Department of Earth and Environmental Engineering, Columbia University, New York, NY 10027, USA
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Hamilton ST, Feric TG, Gładysiak A, Cantillo NM, Zawodzinski TA, Park AHA. Mechanistic Study of Controlled Zinc Electrodeposition Behaviors Facilitated by Nanoscale Electrolyte Additives at the Electrode Interface. ACS Appl Mater Interfaces 2022; 14:22016-22029. [PMID: 35522595 DOI: 10.1021/acsami.1c23781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Nanoparticle organic hybrid materials (NOHMs) are liquid-like materials composed of an inorganic core to which a polymeric canopy is ionically tethered. NOHMs have unique properties including negligible vapor pressure, high oxidative thermal stability, and the ability to bind to reactive species of interest due to the tunability of their polymeric canopy. This makes them promising multifunctional materials for a wide range of energy and environmental technologies, including electrolyte additives for electrochemical energy storage (e.g., flow batteries) and the electrochemical conversion of CO2 to chemicals and fuels. Due to their unique transport behaviors in fluid systems, an understanding of the near-electrode surface behavior of NOHMs in electrolyte solutions and their effect on electrochemical reactions is still lacking. In this work, the complexation of zinc (Zn) by NOHMs with an ionically tethered polyetheramine canopy (HPE) (NOHM-I-HPE) was studied using attenuated total reflectance Fourier transform infrared and Carbon-13 nuclear magnetic resonance spectroscopy. Additionally, various electrochemical techniques were employed to discern the role of NOHM-I-HPE during zinc electrodeposition, and the results were compared to those of the electrochemical system containing untethered HPE polymers. Our findings confirmed that NOHM-I-HPE and HPE reversibly complex zinc in the aqueous electrolyte. NOHM-I-HPE and HPE were found to block some of the electrode active sites, reducing the overall current density during electrodeposition, while facilitating the formation of smooth zinc deposits, as revealed by surface imaging and diffraction techniques. Observed variations in the current density responses and the degree of passivation created by the NOHM-I-HPE and HPE adsorbed on the electrode surface revealed that their different packing behaviors at the electrode-electrolyte interface influence the zinc deposition mechanism. The presence of the nanoparticle and ordering offered by the NOHMs as well as the structured conformation of the polymeric canopy allowed the formation of void spaces and free volumes for enhanced transport behaviors. These findings provided insights into how structured electrolyte additives such as NOHMs can allow for advancements in electrolyte design for controlled deposition of metal species from energy-dense electrolytes or for other electrochemical reactions.
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Affiliation(s)
- Sara T Hamilton
- Department of Earth and Environmental Engineering, Columbia University, New York, New York 10027, United States
- Lenfest Center for Sustainable Energy, The Earth Institute, Columbia University, New York, New York 10027, United States
| | - Tony G Feric
- Department of Chemical Engineering, Columbia University, New York, New York 10027, United States
- Lenfest Center for Sustainable Energy, The Earth Institute, Columbia University, New York, New York 10027, United States
| | - Andrzej Gładysiak
- Department of Earth and Environmental Engineering, Columbia University, New York, New York 10027, United States
- Lenfest Center for Sustainable Energy, The Earth Institute, Columbia University, New York, New York 10027, United States
| | - Nelly M Cantillo
- Department of Chemical & Biomolecular Engineering, The University of Tennessee Knoxville, Knoxville, Tennessee 37996, United States
| | - Thomas A Zawodzinski
- Department of Chemical & Biomolecular Engineering, The University of Tennessee Knoxville, Knoxville, Tennessee 37996, United States
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Ah-Hyung Alissa Park
- Department of Earth and Environmental Engineering, Columbia University, New York, New York 10027, United States
- Department of Chemical Engineering, Columbia University, New York, New York 10027, United States
- Lenfest Center for Sustainable Energy, The Earth Institute, Columbia University, New York, New York 10027, United States
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Hamilton ST, Feric TG, Bhattacharyya S, Cantillo NM, Greenbaum SG, Zawodzinski TA, Park AHA. Nanoscale Hybrid Electrolytes with Viscosity Controlled Using Ionic Stimulus for Electrochemical Energy Conversion and Storage. JACS Au 2022; 2:590-600. [PMID: 35373208 PMCID: PMC8970003 DOI: 10.1021/jacsau.1c00410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Indexed: 06/14/2023]
Abstract
As renewable energy is rapidly integrated into the grid, the challenge has become storing intermittent renewable electricity. Technologies including flow batteries and CO2 conversion to dense energy carriers are promising storage options for renewable electricity. To achieve this technological advancement, the development of next generation electrolyte materials that can increase the energy density of flow batteries and combine CO2 capture and conversion is desired. Liquid-like nanoparticle organic hybrid materials (NOHMs) composed of an inorganic core with a tethered polymeric canopy (e.g., polyetheramine (HPE)) have a capability to bind chemical species of interest including CO2 and redox-active species. In this study, the unique response of NOHM-I-HPE-based electrolytes to salt addition was investigated, including the effects on solution viscosity and structural configurations of the polymeric canopy, impacting transport behaviors. The addition of 0.1 M NaCl drastically lowered the viscosity of NOHM-based electrolytes by up to 90%, reduced the hydrodynamic diameter of NOHM-I-HPE, and increased its self-diffusion coefficient, while the ionic strength did not alter the behaviors of untethered HPE. This study is the first to fundamentally discern the changes in polymer configurations of NOHMs induced by salt addition and provides a comprehensive understanding of the effect of ionic stimulus on their bulk transport properties and local dynamics. These insights could be ultimately employed to tailor transport properties for a range of electrochemical applications.
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Affiliation(s)
- Sara T. Hamilton
- Department
of Earth and Environmental Engineering, Columbia University, New York, New York 10027, United States
- Lenfest
Center for Sustainable Energy, The Earth Institute, Columbia University, New York, New York 10027, United States
| | - Tony G. Feric
- Department
of Chemical Engineering, Columbia University, New York, New York 10027, United States
- Lenfest
Center for Sustainable Energy, The Earth Institute, Columbia University, New York, New York 10027, United States
| | - Sahana Bhattacharyya
- Hunter
College Physics Department, City University
of New York, New York, New York 10065, United
States
| | - Nelly M. Cantillo
- Department
of Chemical & Biomolecular Engineering, The University of Tennessee Knoxville, Knoxville, Tennessee 37996, United States
| | - Steven G. Greenbaum
- Hunter
College Physics Department, City University
of New York, New York, New York 10065, United
States
| | - Thomas A. Zawodzinski
- Department
of Chemical & Biomolecular Engineering, The University of Tennessee Knoxville, Knoxville, Tennessee 37996, United States
- Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Ah-Hyung Alissa Park
- Department
of Earth and Environmental Engineering, Columbia University, New York, New York 10027, United States
- Department
of Chemical Engineering, Columbia University, New York, New York 10027, United States
- Lenfest
Center for Sustainable Energy, The Earth Institute, Columbia University, New York, New York 10027, United States
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Feric TG, Hamilton ST, Cantillo NM, Imel AE, Zawodzinski TA, Park AHA. Dynamic Mixing Behaviors of Ionically Tethered Polymer Canopy of Nanoscale Hybrid Materials in Fluids of Varying Physical and Chemical Properties. J Phys Chem B 2021; 125:9223-9234. [PMID: 34370476 DOI: 10.1021/acs.jpcb.1c00935] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An emerging area of sustainable energy and environmental research is focused on the development of novel electrolytes that can increase the solubility of target species and improve subsequent reaction performance. Electrolytes with chemical and structural tunability have allowed for significant advancements in flow batteries and CO2 conversion integrated with CO2 capture. Liquid-like nanoparticle organic hybrid materials (NOHMs) are nanoscale fluids that are composed of inorganic nanocores and an ionically tethered polymeric canopy. NOHMs have been shown to exhibit enhanced conductivity making them promising for electrolyte applications, though they are often challenged by high viscosity in the neat state. In this study, a series of binary mixtures of NOHM-I-HPE with five different secondary fluids, water, chloroform, toluene, acetonitrile, and ethyl acetate, were prepared to reduce the fluid viscosity and investigate the effects of secondary fluid properties (e.g., hydrogen bonding ability, polarity, and molar volume) on their transport behaviors, including viscosity and diffusivity. Our results revealed that the molecular ratio of secondary fluid to the ether groups of Jeffamine M2070 (λSF) was able to describe the effect that secondary fluid has on transport properties. Our findings also suggest that in solution, the Jeffamine M2070 molecules exist in different nanoscale environments, where some are more strongly associated with the nanoparticle surface than others, and the conformation of the polymer canopy was dependent on the secondary fluid. This understanding of the polymer conformation in NOHMs can allow for the better design of an electrolyte capable of capturing and releasing small gaseous or ionic species.
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Affiliation(s)
| | | | - Nelly M Cantillo
- Department of Chemical and Biomolecular Engineering, The University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Adam E Imel
- Department of Chemical and Biomolecular Engineering, The University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Thomas A Zawodzinski
- Department of Chemical and Biomolecular Engineering, The University of Tennessee, Knoxville, Tennessee 37996, United States.,Energy Storage and Membrane Materials Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
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Mapesa EU, Cantillo NM, Hamilton ST, Harris MA, Zawodzinski TA, Alissa Park AH, Sangoro J. Localized and Collective Dynamics in Liquid-like Polyethylenimine-Based Nanoparticle Organic Hybrid Materials. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02370] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Emmanuel Urandu Mapesa
- Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996-2200, United States
| | - Nelly M. Cantillo
- Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996-2200, United States
| | - Sara T. Hamilton
- Department of Earth and Environmental Engineering, Department of Chemical Engineering, Lenfest Center for Sustainable Energy, Columbia University, New York, New York 10027-6699, United States
| | - Matthew A. Harris
- Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996-2200, United States
| | - Thomas A. Zawodzinski
- Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996-2200, United States
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Ah-Hyung Alissa Park
- Department of Earth and Environmental Engineering, Department of Chemical Engineering, Lenfest Center for Sustainable Energy, Columbia University, New York, New York 10027-6699, United States
| | - Joshua Sangoro
- Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996-2200, United States
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