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Thermally Conductive Polyimide/Boron Nitride Composite Films with Improved interfacial compatibility Based on Modified Fillers by Polyimide Brushes

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Chinese Journal of Polymer Science 2023年第12期41卷 1921-1936,I0009页

作者： Meng-Yan Gao Lei Zhai Song Mo Yan Jia Yi Liu Min-Hui He Lin Fan Key Laboratory of Science and Technology on High-tech Polymer Materials Institute of ChemistryChinese Academy of SciencesBeijing 100190China School of Chemical Sciences University of Chinese Academy of SciencesBeijing 100049China

Polyimide-based composite films with high thermal conductivity,good mechanical property and electrical insulating performance are urgently needed in the electronics and microelectronics *** one of the key technical challenges to be solved,interfacial compatibility between filler and matrix plays an important role for composite ***,boron nitride was modified by grafting polyimide brushes via a twostep method,and a series of thermally conductive polyimide/boron nitride composite films were *** characterization and performance results proved that the interfacial interaction and compatibility was greatly enhanced,resulting in a significant reduction in defects and interfacial thermal *** interphase width of transition zone between two phases was also efficiently enlarged due to polyimide brushes grafted on filler *** a result,composite films based on polyimide-grafted boron nitride exhibited significantly improved properties compared with those based on pristine *** strength can reach up to 80 MPa even if the filler content is as high as 50 wt%.The out-of-plane and in-plane thermal conductivity of composite film increased to 0.841 and 0.850 W·m^(-1)·K^(-1),*** addition,thermal and dielectric properties of composite films were also enhanced to some *** above results indicate that surface modification by chemically grafting polymer brushes is an effective method to improve two-phase interfacial compatibility so as to prepare composite film with enhanced properties.

关键词： Polyimide Composite film Boron nitride Thermal conductivity interfacial compatibility

Improved dispersion performance and interfacial compatibility of covalent-grafted MOFs in mixed-matrix membranes for gas separation

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Green Chemical Engineering 2021年第1期2卷 86-95页

作者： Chongqing Wang Guangjie Ren Kaifeng Wei Donghui Liu Tingting Wu Jinlong Jiang Junfeng Qian Yichang Pan College of Chemical Engineering State Key Laboratory of Materials-Oriented Chemical EngineeringNanjing Tech UniversityNanjing210009China Key Laboratory for Palygorskite Science and Applied Technology of Jiangsu Province Faculty of Chemical EngineeringHuaiyin Institute of TechnologyHuaian223003China Jiangsu Province Key Laboratory of Fine Petrochemical Engineering Changzhou UniversityChangzhouJiangsu ProvinceChina

Mixed-matrix membranes(MMMs)have received much attention due to their processable advantages of polymer and high permeability and/or selectivity of porous metal-organic frameworks(MOFs)***,the interfacial defects caused by poor interaction between MOFs with polymers and the agglomeration phenomenon caused by uneven dispersion of MOFs are common problems in mixed-matrix ***,the priming protocol is one of solutions to the above problems,but it cannot precisely regulate the dispersion of particles and the interfacial compatibility between two ***,covalent grafting of polyimide 6FDA-Durene onto the surface of UiO-66-NH2 can mitigate the aggregation of fillers inside the polymeric matrices and improve the interfacial interaction between two phases,thus significantly improving the CO_(2)/CH_(4)separation performance on the as-synthesized *** explored gas transport mechanism indicated that the improved separation was due to the raise of solubility ***,the stronger covalent bond between fillers and polyimide than physical interaction of priming protocol also endows the improved anti-plasticization phenomenon for CO_(2)/CH_(4)separation.

关键词： Mixed-matrix membrane MOFs Priming Covalent grafting interfacial compatibility

Practical development and challenges of garnet-structured Li_(7)La_(3)Zr_(2)O_(12) electrolytes for all-solid-state lithium-ion batteries:A review

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International Journal of Minerals,Metallurgy and Materials 2021年第10期28卷 1565-1583页

作者： Zao-hong Zhang Tao Wei Jia-hao Lu Qi-ming Xiong Yue-han Ji Zong-yuan Zhu Liu-ting Zhang School of Energy and Power Jiangsu University of Science and TechnologyZhenjiang 212003China Institute of Mechanics and Energy National Research Ogarev Mordovia State UniversitySaransk 430000Russia

All-solid-state Li-ion batteries(ASSLIBs)have been widely studied to achieve Li-ion batteries(LIBs)with high safety and energy *** reviews and experimental papers have focused on methods that improve the ionic conductivity,stabilize the electrochemical performance,and enhance the electrolyte/electrode interfacial compatibility of several solid-state electrolytes(SSEs),including oxides,sulfides,composite and gel electrolytes,and so ***-structured Li_(7)La_(3)Zr_(2)O_(12)(LLZO)is highly regarded an SSE with excellent application ***,this type of electrolyte also possesses a number of disadvantages,such as low ionic conductivity,unstable cubic phase,and poor interfacial compatibility with anodes/*** benefits of LLZO have urged many researchers to explore effective solutions to overcome its inherent ***,we review recent developments on garnet-structured LLZO and provide comprehensive insights to guide the development of garnet-structured LLZO-type *** not only systematically and comprehensively discuss the preparation,element doping,structure,stability,and interfacial improvement of LLZOs but also provide future perspectives for these *** review expands the current understanding on advanced solid garnet electrolytes and provides meaningful guidance for the commercialization of ASSLIBs.

关键词： all solid-state lithium-ion batteries garnet-structured LLZO electrolytes interfacial compatibility polymer-ceramic composite electrolytes

An artificial interphase enables stable PVDF-based solid-state Li metal batteries

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Nano Research 2024年第3期17卷 1482-1490页

作者： Mengjun Wu Jiangping Song Jiaheng Lei Haolin Tang State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Department of Chemistry School of ChemistryChemical Engineering and Life SciencesWuhan University of TechnologyWuhan 430070China Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory Foshan 528200China

Composite polymer electrolytes(CPEs)have attracted much attention for high energy density solid-state lithium-metal batteries owing to their flexibility,low cost,and easy ***,the unstable Li/CPE interface is always challengeable for the practical utilization of ***,a polymer interlayer containing K+prepared by ultraviolet(UV)-curing precursor solution is coated on Li surface to stabilize the interface between poly(vinylidene difluoride)(PVDF)composite electrolytes and Li *** from the physical barrier of the interlayer,the continuous decomposition of PVDF is restrained and the intimate contact between electrode and electrolyte is also achieved to reduce the interface ***,the added K+is utilized to further regulate smooth Li *** a consequence,the symmetric Li|Li cell with coated Li demonstrates steady cycling at 0.4 mAh·cm^(-2) and a high critical current density of 1 mA·cm^(-2).The assembled Li|LiFePO_(4) cell presents outstanding cycling stability(capacity retention of 90%after 400 cycles at 1 C)and good rate *** associated pouch cell performs impressive flexibility and *** work provides a convenient strategy to achieve stable Li/PVDF interface for high-performance PVDF-based solid state Li metal batteries.

关键词： interfacial modification solid-state batteries composite polymer electrolytes interfacial compatibility lithium dendrite

Challenges and prospects for room temperature solid-state sodiumsulfur batteries

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Nano Research 2024年第3期17卷 1402-1426页

作者： Yashuang Qiu Jing Xu Research Center of Grid Energy Storage and Battery Application School of Electrical and Information EngineeringZhengzhou UniversityZhengzhou 450001China

Room temperature sodium-sulfur(Na-S)batteries,known for their high energy density and low cost,are one of the most promising next-generation energy storage ***,the polysulfide shuttling and uncontrollable Na dendrite growth as well as safety issues caused by the use of organic liquid electrolytes in Na-S cells,have severely hindered their ***-state electrolytes instead of liquid electrolytes are considered to be the most direct and effective solution to solve the above ***,its practical application is still greatly challenged due to the poor interfacial compatibility between the all-solid-state electrolytes and the anode/cathode,ionic conductivity,and the shuttle effect caused by the presence of liquid phase in the quasi-solid-state *** paper presents a comprehensive review of solid-state Na-S batteries from the perspective of regulating interfacial compatibility and improving ionic conductivity as well as suppressing polysulfide *** to different components,solid-state electrolytes were divided into five categories:solid inorganic electrolytes,solid polymer electrolytes,polymer/inorganic solid hybrid electrolytes,gel polymer electrolytes,and liquid–solid inorganic hybrid ***,the prospect of developing high performance solid-state electrolytes to improve the cycling stability of room temperature Na-S cells is envisaged.

关键词： sodium-sulfur batteries solid-state electrolytes ionic conductivity polysulfide shuttling interfacial compatibility

ZIF-8-functionalized polymer electrolyte with enhanced performance for high-temperature solid-state lithium metal batteries

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Rare Metals 2024年第3期43卷 984-994页

作者： Jin-Fang Zhang Yuan-Yuan Wang Xiao-Feng Li Gen-Yan Zhang Ying Li Rong Liu Sheng-Liang Hu Tuo-Ping Hu Ruth Knibbe Qing-Bing Xia School of Materials Science and Engineering North University of ChinaTaiyuan030051China School of Energy and Power Engineering North University of ChinaTaiyuan030051China School of Chemistry and Chemical Engineering North University of ChinaTaiyuan030051China School of Mechanical and Mining Engineering The University of QueenslandBrisbaneQLD4072Australia

Solid polymer electrolytes(SPEs)with high ionic conductivity are desirable for solid-state lithium metal batteries(SSLMBs)to achieve enhanced safety and energy *** nanofillers into a polymeric matrix to develop nanocomposite solid electrolytes(NCSEs)has become a promising method for improving the ionic conductivity of the ***,a novel ZIF-8-functionalized NCSE was prepared for high-temperature S SLMB s using an in situ radical polymerization *** is found that the ZIF-8 nanoparticles could reduce the crystallinity of polymer segments and offer a Lewis acid surface that promotes the dissociation of lithium bis(trifluoromethanesulfonyl)imide(LiTFSI)and stabilizes the TFSI^(-) anion ***,the as-prepared NCSE exhibits an outstanding ionic conductivity of 1.63×10^(-3)S·cm^(-1),an electrochem ical stability window of 5.0 V at 80℃,and excellent interface compatibility with lithium metal anode with a stable polarization over 2000 ***,the assembled SSLMBs with LiFePO_(4)cathode show dendrite-free Li-metal surface,good rate capability,and stable cycling stability with a capacity retention of 70%over 1000 cycles at a high temperature of 80℃.This work provides valuable insights into promoting the ionic conductivity of SPEs.

关键词： Lithium metal batteries Metal-organic frameworks Solid polymer electrolytes Lithium metal anode interfacial compatibility

Rational Design of High-Performance PEO/Ceramic Composite Solid Electrolytes for Lithium Metal Batteries

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Nano-Micro Letters 2023年第6期15卷 155-189页

作者： Yanxia Su Fei Xu Xinren Zhang Yuqian Qiu Hongqiang Wang State Key Laboratory of Solidification Processing Centre for Nano Energy MaterialsSchool of Materials Science and EngineeringNorthwestern Polytechnical UniversityShaanxi Joint Laboratory of Graphene(NPU)Xi’an 710072People’s Republic of China

Composite solid electrolytes(CSEs)with poly(ethylene oxide)(PEO)have become fairly prevalent for fabricating high-performance solid-state lithium metal batteries due to their high Li~+solvating capability,flexible processability and low ***,unsatisfactory room-temperature ionic conductivity,weak interfacial compatibility and uncontrollable Li dendrite growth seriously hinder their *** efforts have been devoted to combining PEO with ceramics either as fillers or major matrix with the rational design of two-phase architecture,spatial distribution and content,which is anticipated to hold the key to increasing ionic conductivity and resolving interfacial compatibility within CSEs and between CSEs/***,a comprehensive review exclusively discussing the design,preparation and application of PEO/ceramic-based CSEs is largely lacking,in spite of tremendous reviews dealing with a broad spectrum of polymers and ***,this review targets recent advances in PEO/ceramicbased CSEs,starting with a brief introduction,followed by their ionic conduction mechanism,preparation methods,and then an emphasis on resolving ionic conductivity and interfacial ***,their applications in solid-state lithium metal batteries with transition metal oxides and sulfur cathodes are ***,a summary and outlook on existing challenges and future research directions are proposed.

关键词： Composite solid electrolytes Ionic conductivity interfacial compatibility Ion conduction pathways Li metal batteries

Electrolyte design for rechargeable anion shuttle batteries

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eScience 2022年第6期2卷 573-590页

作者： Yao Wang Xu Yang Zhijia Zhang Xia Hu Yuefeng Meng Xia Wang Dong Zhou Hao Liu Baohua Li Guoxiu Wang Tsinghua Shenzhen International Graduate School Tsinghua UniversityShenzhen 518055China Centre for Clean Energy Technology School of Mathematical and Physical SciencesFaculty of ScienceUniversity of Technology SydneySydneyNSW 2007Australia Max-Planck-Institute for Chemical Physics of Solids Topological Catalysis GroupNöthnitzer Straße 4001187 DresdenGermany

As an emerging new type of battery chemistry,the anion shuttle battery(ASB),based on the shuttling and storage of anions,is considered a sustainable alternative to gigawatt-scale energy storage due to the associated resource abundance,low cost,high safety,and high energy *** significant progress has been achieved,practical applications of ASBs are still hindered by tough challenges,such as short lifetime,limited reversible capacity,and low Coulombic ***,it is very necessary to design and explore new electrolyte systems with high electrochemical/chemical stability,sufficient compatibility towards electrodes,and excellent kinetics/reversibility for anion electrochemical ***,we review the recent achievements and main challenges in developing electrolytes for ASBs,which include solid,non-aqueous,and aqueous *** mainly focus on the unique properties and basic principles of designing these electrolytes,and their various performance *** on design strategies for ASB electrolytes are also presented,which could facilitate the development of advanced ASBs for grid-scale energy storage.

关键词： Anion shuttle batteries Electrolytes Electrochemical stability interfacial compatibility Grid-scale energy storage

用于气体分离的含多孔材料的混合基质膜--从金属有机框架到离散分子笼

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Engineering 2023年第4期23卷 40-55,M0003页

作者： Ziqi Yang Zhongjie Wu Shing Bo Peh Yunpan Ying Hao Yang Dan Zhao Department of Chemical and Biomolecular Engineering National University of SingaporeSingapore 117585Singapore Joint School of the National University of Singapore and Tianjin University International Campus of Tianjin UniversityFuzhou 350207China

混合基质膜(MMMs)将多孔材料与聚合物基质相结合,因其互补特性和协同激活已经在气体分离领域引起了相当大的研究兴趣。多孔材料的可塑性和多样性赋予MMMs可延伸的功能和出色的分离性能。为了发挥MMMs的全部潜力,研究人员关注多孔填料与... 详细信息

混合基质膜(MMMs)将多孔材料与聚合物基质相结合,因其互补特性和协同激活已经在气体分离领域引起了相当大的研究兴趣。多孔材料的可塑性和多样性赋予MMMs可延伸的功能和出色的分离性能。为了发挥MMMs的全部潜力,研究人员关注多孔填料与聚合物基质的合理匹配,以实现这些材料之间界面的增强相容性。在本文中,我们重点介绍采用不同策略将金属-有机框架(MOFs)和金属-有机笼(MOCs)与聚合物基质相结合制备MMMs的最新进展。文中进一步讨论未来MMMs发展所面临的机遇和挑战,并旨在通过合理的材料设计和选择推动MMMs的制备。

关键词： Gas separation Metal-organic frameworks Metal-organic cages Mixed-matrix membranes interfacial compatibility