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Gossage ZT, Tatara R, Hosaka T, Komaba S. Quantifying Interfacial Ion Transfer at Operating Potassium-Insertion Battery Electrodes within Highly Concentrated Aqueous Solutions. ACS APPLIED MATERIALS & INTERFACES 2024; 16:33379-33387. [PMID: 38885040 PMCID: PMC11231980 DOI: 10.1021/acsami.4c03645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 05/27/2024] [Accepted: 05/31/2024] [Indexed: 06/20/2024]
Abstract
Electrode/electrolyte interfacial ion transfer is a fundamental process occurring during insertion-type redox reactions at battery electrodes. The rate at which ions move into and out of the electrode, as well as at interphase structures, directly impacts the power performance of the battery. However, measuring and quantifying these ion transfer phenomena can be difficult, especially at high electrolyte concentrations as found in batteries. Herein, we report a scanning electrochemical microscope method using a common ferri/ferrocyanide (FeCN) redox mediator dissolved in an aqueous electrolyte to track changes in alkali ions at high electrolyte concentrations (up to 3 mol dm-3). Using voltammetry at a platinum microelectrode, we observed a reversible E1/2 shift of ∼60 mV per decade change in K+ concentrations. The response showed high stability in sequential measurements and similar behavior in other aqueous electrolytes. From there, we used the same FeCN mediator to position the microelectrode at the surface of a potassium-insertion electrode. We demonstrate tracking of local changes in the K+ concentration during insertion and deinsertion processes. Using a 2D axisymmetric, finite element model, we further estimate the effective insertion rates. These developments enable characterization of a key parameter for improving batteries, the interfacial ion transfer kinetics, and future work may show mediators appropriate for molar concentrations in nonaqueous electrolytes and beyond.
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Affiliation(s)
- Zachary T Gossage
- Department of Applied Chemistry, Tokyo University of Science, Tokyo 162-8601, Japan
| | - Ryoichi Tatara
- Department of Applied Chemistry, Tokyo University of Science, Tokyo 162-8601, Japan
| | - Tomooki Hosaka
- Department of Applied Chemistry, Tokyo University of Science, Tokyo 162-8601, Japan
| | - Shinichi Komaba
- Department of Applied Chemistry, Tokyo University of Science, Tokyo 162-8601, Japan
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2
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Zhang Z, Zhan X, Hong B, Wang X, Tang P, Ding Y, Xia Y, Zeng Y. Edge interface microenvironment regulation of CoOOH/commercial activated carbon nano-hybrids enabling PMS activation for degrading ciprofloxacin. J Colloid Interface Sci 2024; 663:909-918. [PMID: 38447405 DOI: 10.1016/j.jcis.2024.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/08/2024]
Abstract
Peroxymonosulfate (PMS) is widely employed to generate oxygen-containing reactive species for ciprofloxacin (CIP) degradation. Herein, cobalt oxyhydroxide @activated carbon (CoOOH@AC) was synthesized via a wet chemical sedimentation method to activate PMS for degradation of CIP. The result suggested AC can support the vertical growth of CoOOH nanosheets to expose high-activity Co-contained edges, possessing efficient PMS activation and degradation activity and catalytic stability. In the presence of 3.0 mg of optimal CoOOH@AC and 2 mM PMS, 96.8 % of CIP was degraded within 10 min, approximately 11.6 and 9.97 times greater than those of CoOOH/PMS and AC/PMS systems. Notably, it was disclosed that the optimal CoOOH@AC/PMS system still exhibited efficient catalytic performance in a wide pH range, different organics and common co-existing ions. Quenching experiments and electron paramagnetic resonance indicated that both radical and non-radical processes contributed to the degradation of CIP, with 1O2 and direct electron transfer accounting for the non-radical pathway and SO4•- and •OH serving as the main radical active species. Finally, possible CIP degradation pathways were proposed based on high-performance liquid chromatography-mass spectrometry. This study provided an alternate method for wastewater treatment based on PMS catalyzed by cobalt-based hydroxide.
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Affiliation(s)
- Zhilong Zhang
- College of Materials and Chemistry, Zhejiang Province Key Laboratory of Magnetic Materials, China Jiliang University, Hangzhou 310018, China
| | - Xingyu Zhan
- College of Materials and Chemistry, Zhejiang Province Key Laboratory of Magnetic Materials, China Jiliang University, Hangzhou 310018, China
| | - Bo Hong
- College of Materials and Chemistry, Zhejiang Province Key Laboratory of Magnetic Materials, China Jiliang University, Hangzhou 310018, China.
| | - Xinqing Wang
- College of Materials and Chemistry, Zhejiang Province Key Laboratory of Magnetic Materials, China Jiliang University, Hangzhou 310018, China
| | - Peisong Tang
- Department of Materials Chemistry, Huzhou Key Laboratory of Environmental Functional Materials and Pollution Control, Huzhou University, Huzhou 313000, China
| | - Yangbin Ding
- Department of Materials Chemistry, Huzhou Key Laboratory of Environmental Functional Materials and Pollution Control, Huzhou University, Huzhou 313000, China
| | - Yingchun Xia
- The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China.
| | - Yunxiong Zeng
- College of Materials and Chemistry, Zhejiang Province Key Laboratory of Magnetic Materials, China Jiliang University, Hangzhou 310018, China.
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Gossage ZT, Ito N, Hosaka T, Tatara R, Komaba S. In situ Observation of Evolving H 2 and Solid Electrolyte Interphase Development at Potassium Insertion Materials within Highly Concentrated Aqueous Electrolytes. Angew Chem Int Ed Engl 2023; 62:e202307446. [PMID: 37593892 DOI: 10.1002/anie.202307446] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/09/2023] [Accepted: 08/14/2023] [Indexed: 08/19/2023]
Abstract
The solid-electrolyte interphase (SEI) is key to stable, high voltage lithium-ion batteries (LIBs) as a protective barrier that prevents electrolyte decomposition. The SEI is thought to play a similar role in highly concentrated water-in-salt electrolytes (WISEs) for emerging aqueous batteries, but its properties remain unknown. In this work, we utilized advanced scanning electrochemical microscopy (SECM) and operando electrochemical mass spectrometry (OEMS) techniques to gain deeper insight into the SEI that occurs within highly concentrated WISEs. As a model, we focus on a 55 mol/kg K(FSA)0.6 (OTf)0.4 electrolyte and a 3,4,9,10-perylenetetracarboxylic diimide negative electrode. For the first time, our work showed distinctly passivating structures with slow apparent electron transfer rates alike to the SEI found in LIBs. In situ analyses indicated stable passivating structures when PTCDI was stepped to low potentials (≈-1.3 V vs. Ag/AgCl). However, the observed SEI was discontinuous at the surface and H2 evolution occurred as the electrode reached more extreme potentials. OEMS measurements further confirmed a shift in the evolution of detectable H2 from -0.9 V to <-1.4 V vs. Ag/AgCl when changing from dilute to concentrated electrolytes. In all, our work shows a combined approach of traditional battery measurements with in situ analyses for improving characterization of other unknown SEI structures.
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Affiliation(s)
- Zachary T Gossage
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan
| | - Nanako Ito
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan
| | - Tomooki Hosaka
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan
| | - Ryoichi Tatara
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan
| | - Shinichi Komaba
- Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo, 162-8601, Japan
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Krumov MR, Lang S, Johnson L, Abruña HD. Operando Investigation of Solid Electrolyte Interphase Formation, Dynamic Evolution, and Degradation During Lithium Plating/Stripping. ACS APPLIED MATERIALS & INTERFACES 2023; 15:47692-47703. [PMID: 37751476 DOI: 10.1021/acsami.3c08485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
The solid electrolyte interphase (SEI) dictates the stability and cycling performance of highly reactive battery electrodes. Characterization of the thin, dynamic, and environmentally sensitive nature of the SEI presents a formidable challenge, which calls for the use of microscopic, time-resolved operando methods. Herein, we employ scanning electrochemical microscopy (SECM) to directly probe the heterogeneous surface electronic conductivity during SEI formation and degradation. Complementary operando electrochemical quartz crystal microbalance (EQCM) and ex situ X-ray photoelectron spectroscopy (XPS) provide comprehensive analysis of the dynamic size and compositional evolution of the complex interfacial microstructure. We have found that stable anode passivation occurs at potentials of 0.5 V vs Li/Li+, even in cases where anion decomposition and interphase formation occur above 1.0 V. We investigated the bidirectional relationship between the SEI and lithium plating-stripping, finding that plating-stripping ruptures the SEI. The current efficiency of this reaction is correlated to the anodic stability of the SEI, highlighting the interdependent relationship between the two. We anticipate this work will provide critical insights on the rational design of stable and effective SEI layers for safe, fast-charging, and long-lifetime lithium metal batteries.
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Affiliation(s)
- Mihail R Krumov
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Shuangyan Lang
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Lucas Johnson
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Héctor D Abruña
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
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Hou WH, Zhou P, Gu H, Ou Y, Xia Y, Song X, Lu Y, Yan S, Cao Q, Liu H, Liu F, Liu K. Fluorinated Carbamate-Based Electrolyte Enables Anion-Dominated Solid Electrolyte Interphase for Highly Reversible Li Metal Anode. ACS NANO 2023; 17:17527-17535. [PMID: 37578399 DOI: 10.1021/acsnano.3c06088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Li metal is regarded as the most promising battery anode to boost energy density. However, being faced with the hostile compatibility between the Li anode and traditional carbonate electrolyte, its large-scale industrialization has been in a distressing circumstance due to severe dendrite growth caused by unsatisfying solid electrolyte interphase (SEI). With this regard, accurate control over the composition of the SEI is urgently desired to tackle the electrochemical and mechanical instability at the electrolyte/anode interface. Herein, we report a rationally designed fluorinated carbamate-based electrolyte employing LiNO3 as one of the main salts to induce the preferable anion decomposition to achieve a homogeneous and inorganic (LiF, Li3N, Li2O)-rich SEI. Thus, this electrolyte achieves a high Coulombic efficiency of 99% of the Li metal anode, a stable cycling over 1000 h for Li|Li symmetric cells, more than 100 cycles in 40-μm-thin Li|high-loading-NCM811 full batteries, and >50 cycles in Cu|LiFePO4 pouch cells, which is a promising electrolyte for highly reversible Li metal batteries.
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Affiliation(s)
- Wen-Hui Hou
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Pan Zhou
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Honghui Gu
- Shanghai Institute of Space Power-sources, State Key Laboratory of Space Power-sources Technology, Shanghai 200245, China
| | - Yu Ou
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Yingchun Xia
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Xuan Song
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Yang Lu
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Shuaishuai Yan
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Qingbin Cao
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Hao Liu
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Fengxiang Liu
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Kai Liu
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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Mishra A, Sarbapalli D, Rodríguez O, Rodríguez-López J. Electrochemical Imaging of Interfaces in Energy Storage via Scanning Probe Methods: Techniques, Applications, and Prospects. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2023; 16:93-115. [PMID: 37068746 DOI: 10.1146/annurev-anchem-091422-110703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Developing a deeper understanding of dynamic chemical, electronic, and morphological changes at interfaces is key to solving practical issues in electrochemical energy storage systems (EESSs). To unravel this complexity, an assortment of tools with distinct capabilities and spatiotemporal resolutions have been used to creatively visualize interfacial processes as they occur. This review highlights how electrochemical scanning probe techniques (ESPTs) such as electrochemical atomic force microscopy, scanning electrochemical microscopy, scanning ion conductance microscopy, and scanning electrochemical cell microscopy are uniquely positioned to address these challenges in EESSs. We describe the operating principles of ESPTs, focusing on the inspection of interfacial structure and chemical processes involved in Li-ion batteries and beyond. We discuss current examples, performance limitations, and complementary ESPTs. Finally, we discuss prospects for imaging improvements and deep learning for automation. We foresee that ESPTs will play an enabling role in advancing EESSs as we transition to renewable energies.
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Affiliation(s)
- Abhiroop Mishra
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, Illinois, USA;
| | - Dipobrato Sarbapalli
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, Illinois, USA;
| | - Oliver Rodríguez
- Department of Chemistry, University of Illinois Urbana-Champaign, Urbana, Illinois, USA;
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Gaddam R, Sarbapalli D, Howard J, Curtiss LA, Assary RS, Rodríguez-López J. An SECM-Based Spot Analysis for Redoxmer-Electrode Kinetics: Identifying Redox Asymmetries on Model Graphitic Carbon Interfaces. Chem Asian J 2023; 18:e202201120. [PMID: 36482038 PMCID: PMC10107689 DOI: 10.1002/asia.202201120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/05/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022]
Abstract
The fundamental process in non-aqueous redox flow battery (NRFB) operation revolves around electron transfer (ET) between a current collector electrode and redox-active organic molecules (redoxmers) in solution. Here, we present an approach utilizing scanning electrochemical microscopy (SECM) to evaluate interfacial ET kinetics between redoxmers and various electrode materials of interest at desired locations. This spot-analysis method relies on the measurement of heterogeneous electron transfer rate constants (kf or kb ) as a function of applied potential (E-E0 '). As demonstrated by COMSOL simulations, this method enables the quantification of Butler-Volmer kinetic parameters, the standard heterogeneous rate constant, k0 , and the transfer coefficient, α. Our method enabled the identification of inherent asymmetries in the ET kinetics arising during the reduction of ferrocene-based redoxmers, compared to their oxidation which displayed faster rate constants. Similar behavior was observed on a wide variety of carbon electrodes such as multi-layer graphene, highly ordered pyrolytic graphite, glassy carbon, and chemical vapor deposition-grown graphite films. However, aqueous systems and Pt do not exhibit such kinetic effects. Our analysis suggests that differential adsorption of the redoxmers is insufficient to account for our observations. Displaying a greater versatility than conventional electroanalytical methods, we demonstrate the operation of our spot analysis at concentrations up to 100 mM of redoxmer over graphite films. Looking forward, our method can be used to assess non-idealities in a variety of redoxmer/electrode/solvent systems with quantitative evaluation of kinetics for applications in redox-flow battery research.
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Affiliation(s)
- Raghuram Gaddam
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S Mathews Avenue, Urbana, IL 61801, USA.,Joint Center for Energy Storage Argonne National Laboratory, Lemont, IL 61801, USA
| | - Dipobrato Sarbapalli
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S Mathews Avenue, Urbana, IL 61801, USA.,Joint Center for Energy Storage Argonne National Laboratory, Lemont, IL 61801, USA
| | - Jason Howard
- Materials Science Division, Argonne National Laboratory, Lemont, IL 61801, USA.,Joint Center for Energy Storage Argonne National Laboratory, Lemont, IL 61801, USA
| | - Larry A Curtiss
- Materials Science Division, Argonne National Laboratory, Lemont, IL 61801, USA.,Joint Center for Energy Storage Argonne National Laboratory, Lemont, IL 61801, USA
| | - Rajeev S Assary
- Materials Science Division, Argonne National Laboratory, Lemont, IL 61801, USA.,Joint Center for Energy Storage Argonne National Laboratory, Lemont, IL 61801, USA
| | - Joaquín Rodríguez-López
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S Mathews Avenue, Urbana, IL 61801, USA.,Joint Center for Energy Storage Argonne National Laboratory, Lemont, IL 61801, USA
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8
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Hatfield KO, Putnam ST, Rodríguez-López J. Inducing SERS activity at graphitic carbon using graphene-covered Ag nanoparticle substrates: Spectroelectrochemical analysis of a redox-active adsorbed anthraquinone. J Chem Phys 2023; 158:014701. [PMID: 36610978 DOI: 10.1063/5.0130876] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Graphitic carbon electrodes are central to many electrochemical energy storage and conversion technologies. Probing the behavior of molecular species at the electrochemical interfaces they form is paramount to understanding redox reaction mechanisms. Combining surface-enhanced Raman scattering (SERS) with electrochemical methods offers a powerful way to explore such mechanisms, but carbon itself is not a SERS activating substrate. Here, we report on a hybrid substrate consisting of single- or few-layer graphene sheets deposited over immobilized silver nanoparticles, which allows for simultaneous SERS and electrochemical investigation. To demonstrate the viability of our substrate, we adsorbed anthraquinone-2,6-disulfonate to graphene and studied its redox response simultaneously using SERS and cyclic voltammetry in acidic solutions. We identified spectral changes consistent with the reversible redox of the quinone/hydroquinone pair. The SERS intensities on bare silver and hybrid substrates were of the same order of magnitude, while no discernible signals were observed over bare graphene, confirming the SERS effect on adsorbed molecules. This work provides new prospects for exploring and understanding electrochemical processes in situ at graphitic carbon electrodes.
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Affiliation(s)
- Kendrich O Hatfield
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Seth T Putnam
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Joaquín Rodríguez-López
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
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Zeng Y, Zhan X, Li H, Xiong X, Hong B, Xia Y, Ding Y, Wang X. Bottom-to-Up Synthesis of Functional Carbon Nitride Polymer: Design Principles, Controlled Synthesis and Applications. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Kim EJ, Kumar PR, Gossage ZT, Kubota K, Hosaka T, Tatara R, Komaba S. Active material and interphase structures governing performance in sodium and potassium ion batteries. Chem Sci 2022; 13:6121-6158. [PMID: 35733881 PMCID: PMC9159127 DOI: 10.1039/d2sc00946c] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 04/24/2022] [Indexed: 12/16/2022] Open
Abstract
Development of energy storage systems is a topic of broad societal and economic relevance, and lithium ion batteries (LIBs) are currently the most advanced electrochemical energy storage systems. However, concerns on the scarcity of lithium sources and consequently the expected price increase have driven the development of alternative energy storage systems beyond LIBs. In the search for sustainable and cost-effective technologies, sodium ion batteries (SIBs) and potassium ion batteries (PIBs) have attracted considerable attention. Here, a comprehensive review of ongoing studies on electrode materials for SIBs and PIBs is provided in comparison to those for LIBs, which include layered oxides, polyanion compounds and Prussian blue analogues for positive electrode materials, and carbon-based and alloy materials for negative electrode materials. The importance of the crystal structure for electrode materials is discussed with an emphasis placed on intrinsic and dynamic structural properties and electrochemistry associated with alkali metal ions. The key challenges for electrode materials as well as the interface/interphase between the electrolyte and electrode materials, and the corresponding strategies are also examined. The discussion and insights presented in this review can serve as a guide regarding where future investigations of SIBs and PIBs will be directed.
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Affiliation(s)
- Eun Jeong Kim
- Department of Applied Chemistry, Tokyo University of Science 1-3 Kagurazaka, Shinjuku Tokyo 162-8601 Japan
| | - P Ramesh Kumar
- Department of Applied Chemistry, Tokyo University of Science 1-3 Kagurazaka, Shinjuku Tokyo 162-8601 Japan
| | - Zachary T Gossage
- Department of Applied Chemistry, Tokyo University of Science 1-3 Kagurazaka, Shinjuku Tokyo 162-8601 Japan
| | - Kei Kubota
- Department of Applied Chemistry, Tokyo University of Science 1-3 Kagurazaka, Shinjuku Tokyo 162-8601 Japan
- Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku Kyoto 615-8245 Japan
| | - Tomooki Hosaka
- Department of Applied Chemistry, Tokyo University of Science 1-3 Kagurazaka, Shinjuku Tokyo 162-8601 Japan
- Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku Kyoto 615-8245 Japan
| | - Ryoichi Tatara
- Department of Applied Chemistry, Tokyo University of Science 1-3 Kagurazaka, Shinjuku Tokyo 162-8601 Japan
- Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku Kyoto 615-8245 Japan
| | - Shinichi Komaba
- Department of Applied Chemistry, Tokyo University of Science 1-3 Kagurazaka, Shinjuku Tokyo 162-8601 Japan
- Elements Strategy Initiative for Catalysts and Batteries (ESICB), Kyoto University 1-30 Goryo-Ohara, Nishikyo-ku Kyoto 615-8245 Japan
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