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Amphipathic Phenylalanine-Induced Nucleophilic-Hydrophobic Interface Toward Highly Reversible Zn Anode

Nano-Micro Letters 2024年第9期16卷 95-109页

作者： Anbin Zhou Huirong Wang Fengling Zhang Xin Hu Zhihang Song Yi Chen Yongxin Huang Yanhua Cui Yixiu Cui Li Li Feng Wu Renjie Chen Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081People’s Republic of China Advanced Technology Research Institute Beijing Institute of TechnologyJinan 250300People’s Republic of China Collaborative Innovation Center of Electric Vehicles in Beijing Beijing 100081People’s Republic of China Institute of Electronic Engineering China Academy of Engineering PhysicsMianyang 621900People’s Republic of China

Aqueous Zn^(2+)-ion batteries(AZIBs),recognized for their high security,reliability,and cost efficiency,have garnered considerable ***,the prevalent issues of dendrite growth and parasitic reactions at the Zn electrode interface significantly impede their practical *** this study,we introduced a ubiquitous biomolecule of phenylalanine(Phe)into the electrolyte as a multifunctional additive to improve the reversibility of the Zn *** its exceptional nucleophilic characteristics,Phe molecules tend to coordinate with Zn^(2+)ions for optimizing the solvation ***,the distinctive lipophilicity of aromatic amino acids empowers Phe with a higher adsorption energy,enabling the construction of a multifunctional protective *** hydrophobic benzene ring ligands act as cleaners for repelling H_(2)O molecules,while the hydrophilic hydroxyl and carboxyl groups attract Zn^(2+)ions for homogenizing Zn^(2+)***,the preferential reduction of Phe molecules prior to H_(2)O facilitates the in situ formation of an organic-inorganic hybrid solid electrolyte interphase,enhancing the interfacial stability of the Zn ***,Zn||Zn cells display improved reversibility,achieving an extended cycle life of 5250 ***,Zn||LMO full cells exhibit enhanced cyclability of retaining 77.3%capacity after 300 cycles,demonstrating substantial potential in advancing the commercialization of AZIBs.

关键词： Zn anode Phenylalanine Adsorption energy solvation sheath

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Reversible aqueous aluminum metal batteries enabled by a water-in-salt electrolyte

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Green Energy & Environment 2024年第7期9卷 1183-1191页

作者： Wenjing Tang Lijun Deng Longyuan Guo Shoubin Zhou Qinhai Jiang Jiayan Luo Shanghai Key Lab of Advanced High-Temperature Materials and Precision Forming State School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai200240China School of Science Harbin Institute of TechnologyShenzhenGuangdong518055China Key Laboratory for Green Chemical Technology of Ministry of Education School of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China HuaFu High Technology Energy Storage CO. LTDYangzhou225600China Shanghai Jiao Tong University Shaoxing Research Institute of Renewable Energy and Molecular Engineering Shaoxing312000China

Aluminum(Al),the most abundant metallic element on the earth crust,has been reckoned as a promising battery material for its the highest theoretical volume capacity(8046 mAh cm^(-3)).Being rechargeable in ionic liquid electrolytes,however,the Al anode and battery case suffer from *** the other hand,Al is irreversible in aqueous electrolyte with severe hydrogen evolution ***,we demonstrate a water-in-salt aluminum ion electrolyte(WISE)based on Al and lithium salts to tackle the above *** the WISE system,water molecules can be confined within the Li^(+)solvation *** diminished Al^(3+)-H_(2)O interaction essentially eliminates the hydrolysis effect,effectively protecting Al anode from ***,long-term Al plating/stripping can be ***,two types of high-performance full batteries have been demonstrated using copper hexacyanoferrate(CuHCF,a Prussian Blue Analogues)and LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(NCM)as *** reversibility of Al anode laid the foundation for low cost rechargeable batteries suffering for large-scale energy *** context:Al batteries are expected to become a safe and sustainable alternative to lithium *** decades,chase for a feasible Al secondary battery has not been *** key challenge is to find suitable cathode and electrolyte materials,together with which Al anode battery can function ***,fatal drawbacks have impeded the practical application of Al metal batteries(AMBs),such as sustained corrosion of Al anode and battery case in ionic liquid electrolytes,irreversibility issues as well as severe hydrogen evolution reaction during cycling in aqueous ***,electrolyte and their electrochemical kinetics play a vital role in the performance and environmental operating limitations of high-energy Al metal *** this work,we demonstrate a nearly neutral Al ion water-in-salt electrolyte(WISE)to tackle the above chal

关键词： Water-in-salt electrolyte Rechargeable aluminum anode solvation sheath Hybrid battery Abundance

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Adjusting the local solvation structures and hydrogen bonding networks for stable aqueous batteries with reduced cost

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Journal of Energy Chemistry 2022年第5期31卷 411-419页

作者： Canfu Zhang Binbin Chen Haoran Cai Renzhi Huang Yingchun Liu Huilin Pan Department of Chemistry Zhejiang UniversityHangzhou 310027ZhejiangChina

Exploring low-cost and effective approaches to extend the potentials of aqueous electrolytes is highly ***,it is found that the activity of H_(2)O in aqueous electrolytes could be intensively manipulated by introducing small urea and long-chain polyethylene glycol(PEG)molecules into Li TFSI-H_(2)O electrolyte systems without super salt *** urea and PEG molecules could exclude partial coordinated H_(2)O out of the inner solvation shell of Li_(4) and reconstruct hydrogen-bonding network between H_(2)O and PEG molecules outside the solvation sheaths with restricted H_(2)O activity and extended electrochemical *** bonding competitions in aqueous electrolytes and their correlation to the electrochemical performance of full cells are *** the occurrence probability of H_(2)O around Li_(4)is lower than 40%,stable cycling of 3.1 V LiMn_(2)O_(4)-Li_(4)Ti_(5)O_(12) full cell is achieved,showing 73%capacity retention after 200 cycles at 1 C rate in optimal *** work provides new avenues to understand the role of H_(2)O and explore low-cost and effective approaches for the development of nextgeneration aqueous lithium-ion batteries.

关键词： solvation sheath H_(2)O activity Aqueous electrolytes Lithium-ion batteries

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Stabilizing layered superlattice MoSe_(2) anodes by the rational solvation structure design for low-temperature aqueous zinc-ion batteries

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Electron 2023年第1期1卷 70-79页

作者： Zeheng Lv Yuanhong Kang Rong Tang Jin Yang Guanhong Chen Yuhan Hu Pengxiang Lin Huiya Yang Qilong Wu Minghao Zhang Fenghua Chen Yueying Peng Yang Yang Jinbao Zhao State Key Laboratory of Physical Chemistry of Solid Surfaces State-Province Joint Engineering Laboratory of Power Source Technology for New Energy VehicleTan Kah Kee Innovation Laboratory(IKKEM)College of Chemistry and Chemical EngineeringXiamen UniversityXiamenChina School of Resources and Chemical Engineering Sanming UniversitySanmingChina International Center for Young Scientists Center for Green Research on Energy and Environmental MaterialsNational Institute for Material ScienceTsukubaIbarakiJapan

Aqueous zinc-ion batteries(AZIBs)have attracted widespread attention due to their intrinsic merits of low cost and high ***,the poor thermodynamic stability of Zn metal in aqueous electrolytes inevitably cause Zn dendrites growth and interface parasitic side reactions,resulting in unsatisfactory cycling stability and low Zn *** Zn anode with intercalation-type anodes have emerged as a promising alternative strategy to overcome the above issues but the lack of appropriate anode materials is becoming the ***,the interlayer structure of MoSe_(2) anode is preintercalated with long-chain polyvinyl pyrrolidone(PVP),constructing a periodically stacked p-MoSe_(2)superlattice to activate the reversible Zn^(2+) storage performance(203 mAh g^(−1)at 0.2 A g^(−1)).To further improve the stability of the superlattice structure during cycling,the electrolyte is also rationally designed by adding 1,4-Butyrolactone(γ-GBL)additive into 3 M Zn(CF_(3)SO_(3))_(2),in whichγ-GBL replaces the H2O in Zn^(2+) solvation *** preferential solvation ofγ-GBL with Zn^(2+)effectively reduces the water activity and helps to achieve an ultra-long lifespan of 12,000 cycles for p-MoSe_(2).More importantly,the reconstructed solvation structure enables the operation of p-MoSe_(2)||ZnxNVPF(Na3V2(PO4)2O_(2)F)AZIBs at an ultra-low temperature of−40°C,which is expected to promote the practical applications of AZIBs.

关键词： intercalation-type anodes p-MoSe_(2)||Zn_(x)NVPF periodically stacked p-MoSe_(2)superlattice solvation sheath ultra-long lifespan

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