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Hou G, Chitbanyong K, Shibata I, Takeuchi M, Isogai A. Structural analyses of supernatant fractions in TEMPO-oxidized pulp/water reaction mixtures separated by centrifugation and dialysis. Carbohydr Polym 2024; 336:122103. [PMID: 38670766 DOI: 10.1016/j.carbpol.2024.122103] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024]
Abstract
Side reactions occurring on cellulose during 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TMEPO)-catalyzed oxidation have not been considered to be significant. Then, TEMPO-oxidized hardwood and softwood bleached kraft pulps (HBKP and SBKP) were prepared with an excess NaOCl·5H2O. Supernatant fractions (SFs) were obtained in the aqueous reaction mixtures of TEMPO-oxidized pulps by centrifugation and dialysis. The SFs with carboxyl contents of 5.0 and 4.2 mmol/g were obtained in the yields of 19 % and 30 % from HBKP and SBKP, respectively. These carboxy contents are much higher than those (2.6-2.7 mmol/g) of the precipitate fractions in the TEMPO-oxidized pulps. Solid-state 13C NMR spectra and other analyses revealed that the water-soluble β-(1 → 4)-polyglucuronic acids were predominantly present in the SFs. In addition, water-insoluble TEMPO-oxidized cellulose nanocrystals were present in the SFs, but they constituted less than ~10 % of the SFs. The mass-average degrees of polymerization (DPw) of the SFs obtained from HBKP and SBKP were 166 and 155, respectively, whereas the original HBKP and SBKP had DPw values of 1990 and 2140, respectively. These substantial depolymerization and formation of the water-soluble β-(1 → 4)-polyglucuronic acids occur on cellulose and oxidized cellulose molecules as side reactions during TEMPO-catalyzed oxidation, which should be considered for structural analyses of TEMPO-oxidized products.
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Affiliation(s)
- Gaoyuan Hou
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 113-8657 Tokyo, Japan.
| | - Korawit Chitbanyong
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 113-8657 Tokyo, Japan.
| | - Izumi Shibata
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 113-8657 Tokyo, Japan.
| | - Miyuki Takeuchi
- Institute of Engineering Innovation, The University of Tokyo, Tokyo 113-8656, Japan.
| | - Akira Isogai
- Department of Biomaterial Sciences, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 113-8657 Tokyo, Japan.
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Zhou J, Wu F, Mei Y, Ma W, Li L, Chen R. Highly Stable Aqueous/Organic Hybrid Zinc-Ion Batteries Based on a Synergistic Cathode/Anode Interface Engineering. ACS Nano 2024; 18:839-848. [PMID: 38108612 DOI: 10.1021/acsnano.3c09419] [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: 12/19/2023]
Abstract
Zn-ion batteries (ZIBs) are developing rapidly due to their advantages of safety, moderate energy density, and abundant Zn-metal reserves. However, the dendritic growth and side reactions at the Zn-based anode and the dissolution of metallic elements at transition metal-based cathodes destabilize the electrode/electrolyte interface, which ultimately reduces the electrochemical performance of ZIBs. Herein, an aqueous/organic hybrid electrolyte that endows synergistic cathode/anode interfacial layers is proposed. On the anode, the ZnF2/Zn3(PO4)2-rich film induces the Zn nucleation, enabling a dendrite-free and corrosion-free electrode morphology. On the cathode, in contrast to Zn deposition anomalously on the cathode surface due to underpotential deposition during cycling in the unmodified electrolyte, the obtained interfacial film using the hybrid electrolyte inhibits the dissolution of metallic elements and avoids Zn deposition on the transition metal-based cathode. As a result, a pouch cell with a metallic Zn anode and a LiMn2O4 cathode (depth of discharge: 40%) based on the modified electrolyte maintains a capacity of 92 mAh g-1 after 235 cycles with a stable and clean cathode/anode interface. This research presents insight into the construction of a stable cathode/anode interface for long-cycling ZIBs.
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Affiliation(s)
- Jiahui Zhou
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Feng Wu
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
- Advanced Technology Research Institute (Jinan)-Beijing Institute of Technology, Jinan 250300, China
- Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China
| | - Yang Mei
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Wenwen Ma
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Li Li
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
- Advanced Technology Research Institute (Jinan)-Beijing Institute of Technology, Jinan 250300, China
- Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China
| | - Renjie Chen
- Beijing Key Laboratory of Environmental Science and Engineering, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
- Advanced Technology Research Institute (Jinan)-Beijing Institute of Technology, Jinan 250300, China
- Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing 100081, China
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Zhao K, Jin Q, Li L, Zhang X, Wu L. Shielding polysulfides enabled by a biomimetic artificial protective layer in lithium-sulfur batteries. J Colloid Interface Sci 2022; 625:119-127. [PMID: 35716607 DOI: 10.1016/j.jcis.2022.06.017] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/26/2022] [Accepted: 06/04/2022] [Indexed: 10/31/2022]
Abstract
Lithium-sulfur (Li-S) batteries are widely considered to be next-generation storage technologies due to their high energy density, low cost and non-toxicity. However, the soluble lithium polysulfides (LiPS) migrating to the anode side inevitably causes side reactions with the Li anode, resulting in severe corrosion of the Li anode, loss of active materials, and rapid battery failure. Therefore, it is necessary to develop effective strategies to avoid LiPS exposure to Li anodes. Herein, a stable UiO-66-ClO4/PDMS (PDUO-Cl) biomimetic protective layer is rationally constructed by the drip coating method. The PDUO-Cl protective layer can effectively suppress the side reaction of Li metal with LiPSs/electrolyte and homogenize the Li+ flux, thus avoiding corrosion of the Li metal anode. As a result, the symmetric cell with the PDUO-Cl protective layer delivers a stable cycle performance greater than 1400 h under a current density of 0.5 mA cm-2. The Li-S batteries with a PDUO-Cl protective layer still show relatively better rate performance and cycling stability (69% after 100 cycles at 0.1 C). This work provides new insights into the design of protective strategies for Li anodes in Li-S batteries.
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Affiliation(s)
- Kaixin Zhao
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, PR China
| | - Qi Jin
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, PR China
| | - Lu Li
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, PR China
| | - Xitian Zhang
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, PR China.
| | - Lili Wu
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, PR China.
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Zhou B, Long J, He M, Zheng R, Du D, Yan Y, Ren L, Zeng T, Shu C. A multifunctional protective layer with biomimetic ionic channel suppressing dendrite and side reactions on zinc metal anodes. J Colloid Interface Sci 2022; 613:136-145. [PMID: 35033760 DOI: 10.1016/j.jcis.2022.01.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 11/17/2022]
Abstract
A multifunctional graphitic carbon nitride (GCN) protective layer with bionic ion channels and high stability is prepared to inhibit dendrite growth and side reactions on zinc (Zn) metal anodes. The high electronegativity of the nitrogen-containing organic groups (NOGs) in the GCN layer can effectively promote the dissociation of solvated Zn2+ and its rapid transportation in bionic ion channels via a hopping mechanism. In addition, this GCN layer exhibits excellent mechanical strength to suppress the growth of Zn dendrites and the volume expansion of Zn metal anodes during the plating process. Consequently, the electrodeposited Zn presents a uniform and densely packed morphology with negligible side-product accumulation. As a result, the half-cell composed of the Cu-GCN anode can deliver a remarkable long-term cycling performance of 1000 h at 0.5 mA cm-2 and 0.25 mAh cm-2. A full cell assembled with MnO2 cathode also displays improved long-term cycling performance (150 cycles at 200 mA g-1) when the Cu-GCN@Zn composite anode is applied. This work deepens our understanding of the kinetics of ion migration in the interface layer and paves the way for next-generation high energy-density Zn-metal batteries (ZMBs).
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Affiliation(s)
- Bo Zhou
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China; Zhangjiajie Institute of Aeronautical Engineering, 1#, xueyuan Rd, Wulingshan Avenue, Zhangjiajie 427000, Hunan, PR China
| | - Jianping Long
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China.
| | - Miao He
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China
| | - Ruixin Zheng
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China
| | - Dayue Du
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China
| | - Yu Yan
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China
| | - Longfei Ren
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China
| | - Ting Zeng
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China
| | - Chaozhu Shu
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu 610059, Sichuan, PR China.
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Petermann J, Bonnefond R, Mermoud I, Rantoen D, Meynard L, Munro C, Lua LHL, Hüe T. Evaluation of three adjuvants with respect to both adverse effects and the efficacy of antibody production to the Bm86 protein. Exp Appl Acarol 2017; 72:303-315. [PMID: 28752480 DOI: 10.1007/s10493-017-0156-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 07/17/2017] [Indexed: 06/07/2023]
Abstract
Cattle tick infestations remain an important burden for farmers in tropical area like in New Caledonia. With the development of acaricide resistance, tick vaccines should be an attractive alternative to control ticks but their efficacy needs to be improved. In this study three adjuvants were studied in an experimental tick vaccine with a Bm86 protein to assess their performance in terms of antibody productions and adverse reactions following vaccinations. The water-in-oil adjuvant ISA 61 VG led to higher antibody titers compared to a water-in-oil-in-water adjuvant ISA 201 VG and an aqueous polymeric adjuvant Montanide Gel 01. Vaccinations with these three adjuvants did not produce severe general reaction but an increase in skin thickness was observed especially with both oil-based emulsions. These results indicated that the water-in-oil adjuvant is the most interesting to use for this vaccine but local adverse reactions remain an issue.
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Affiliation(s)
- Julie Petermann
- Équipe ARBOREAL: AgricultuRe BiOdiveRsité Et vALorisation, Laboratoire de Parasitologie, Institut Agronomique néo-Calédonien, BP 73, 98890, Païta, New Caledonia
| | - Romain Bonnefond
- Station zootechnique de port Laguerre, Direction Provinciale du Développement Rural, Païta, New Caledonia
| | - Isabelle Mermoud
- Service des Laboratoires Officiels Vétérinaires Agroalimentaires et Phytosanitaires de Nouvelle-Calédonie, Direction des Affaires Vétérinaires Alimentaires et Rurales de Nouvelle-Calédonie, Station zootechnique de Port-Laguerre, BP 42, 98890, Païta, New Caledonia
| | - Dewi Rantoen
- Service des Laboratoires Officiels Vétérinaires Agroalimentaires et Phytosanitaires de Nouvelle-Calédonie, Direction des Affaires Vétérinaires Alimentaires et Rurales de Nouvelle-Calédonie, Station zootechnique de Port-Laguerre, BP 42, 98890, Païta, New Caledonia
| | - Laure Meynard
- Service des Laboratoires Officiels Vétérinaires Agroalimentaires et Phytosanitaires de Nouvelle-Calédonie, Direction des Affaires Vétérinaires Alimentaires et Rurales de Nouvelle-Calédonie, Station zootechnique de Port-Laguerre, BP 42, 98890, Païta, New Caledonia
| | - Christopher Munro
- The University of Queensland, Protein Expression Facility, Brisbane, QLD, 4072, Australia
| | - Linda H L Lua
- The University of Queensland, Protein Expression Facility, Brisbane, QLD, 4072, Australia
| | - Thomas Hüe
- Équipe ARBOREAL: AgricultuRe BiOdiveRsité Et vALorisation, Laboratoire de Parasitologie, Institut Agronomique néo-Calédonien, BP 73, 98890, Païta, New Caledonia.
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