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Innovative Solutions for High-Performance Silicon Anodes in Lithium-Ion Batteries:Overcoming Challenges and Real-World Applications

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Nano-Micro Letters 2024年第9期16卷 341-384页

作者： Mustafa Khan Suxia Yan Mujahid Ali Faisal Mahmood Yang Zheng Guochun Li Junfeng Liu Xiaohui Song Yong Wang Institute for Energy Research Jiangsu UniversityZhenjiang 212013JiangsuPeople’s Republic of China School of Energy and Power Engineering Jiangsu UniversityZhenjiang 212013JiangsuPeople’s Republic of China School of Materials Science and Engineering Hefei University of TechnologyHefei 230009AnhuiPeople’s Republic of China

Silicon(Si)has emerged as a potent anode material for lithium-ion batteries(LIBs),but faces challenges like low electrical conductivity and significant volume changes during lithiation/delithiation,leading to material pulverization and capacity degradation.Recent research on nanostructured Si aims to mitigate volume expansion and enhance electrochemical performance,yet still grapples with issues like pulverization,unstable solid electrolyte interface(SEI)growth,and interparticle resistance.This review delves into innovative strategies for optimizing Si anodes’electrochemical performance via structural engineering,focusing on the synthesis of Si/C composites,engineering multidimensional nanostructures,and applying non-carbonaceous coatings.Forming a stable SEI is vital to prevent electrolyte decomposition and enhance Li^(+)transport,thereby stabilizing the Si anode interface and boosting cycling Coulombic efficiency.We also examine groundbreaking advancements such as self-healing polymers and advanced prelithiation methods to improve initial Coulombic efficiency and combat capacity loss.Our review uniquely provides a detailed examination of these strategies in real-world applications,moving beyond theoretical discussions.It offers a critical analysis of these approaches in terms of performance enhancement,scalability,and commercial feasibility.In conclusion,this review presents a comprehensive view and a forward-looking perspective on designing robust,high-performance Si-based anodes the next generation of LIBs.

关键词： Silicon anode Energy storage Nanostructure Prelithiation binder

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From lab to market:a review of commercialization and advances for binders in lithium-,zinc-,sodium-ion batteries

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Nano Research Energy 2024年第1期3卷 152-171页

作者： Chang Su Xuan Gao Kejiang Liu Yuhang Dai Haobo Dong Yiyang Liu Jiayan Zhu Qiuxia Zhang Hongzhen He Guanjie He Department of Management Technologyand EconomicsETH ZürichZürich 8092Switzerland Christopher Ingold Laboratory Department of ChemistryUniversity College LondonLondon WC1H0AJUK Electrochemical Innovation Lab Department of Chemical EngineeringUniversity College LondonLondon WC1E7JEUK Department of Physics Hong Kong Baptist UniversityHong Kong 999077China State Key Lab of Superhard Materials College of PhysicsJilin UniversityChangchun 130012China

The paper discusses the progress and commercialization of binders for energy storage applications,such as batteries.It explains the role of binders in holding together active materials and current collectors,and highlights the challenges associated with conventional organic solvents in binders.The potential of aqueous binders is introduced as a cost-effective and environmentally friendly alternative.The advantages and limitations of different types of binders are discussed,and the importance of binder selection for optimal battery performance is emphasized.The current state of commercialization of binders is reviewed,and the need for collaboration between researchers,manufacturers,and policymakers to develop and promote environmentally friendly and cost-effective binders is emphasized.The paper concludes by outlining future directions for research and development to further improve the performance and commercialization of binders,while addressing limitations such as lack of standardization,high cost,and long-term stability and reliability.

关键词： battery commercialization binder energy storage

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Novel polyimide binder for achieving high-rate capability and long-term cycling stability of LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2) cathode via constructing polar and micro-branched crosslinking network structure

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Journal of Energy Chemistry 2023年第1期76卷 19-31,I0002页

作者： Yueming Xu Yali Wang Nanxi Dong Chuanzhi Pu Bingxue Liu Guofeng Tian Shengli Qi Dezhen Wu State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical TechnologyBeijing 100029China ENFI R&D Institute China ENFI EngineeringCorporationBeijing 100038China China Automotive Battery Research Institute Co. Ltd.Beijing 101407China

LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)(NCM811)material,as the promising cathode candidate for next-generation highenergy lithium-ion batteries,has gained considerable attention for extremely high theoretical capacity and low cost.Nevertheless,the intrinsic drawbacks of NCM811 such as unstable structure and inevitable interface side reaction result in severe capacity decay and thermal runaway.Herein,a novel polyimide(denoted as PI-Om DT)constructed with the highly polar and micro-branched crosslinking network is reported as a binder material for NCM811 cathode.The micro-branched crosslinking network is achieved by using 1,3,5-Tris(4-aminophenoxy)benzene(TAPOB)as a crosslinker via condensation reaction,which endows excellent mechanical properties and large free volume.Meanwhile,the massive polar carboxyl(-COOH)groups provide strong adhesion sites to active NCM811 particles.These functions of PIOm DT binder collaboratively benefit to forming the mechanically robust and homogeneous coating layer with rapid Li+diffusion on the surface of NCM811,significantly stabilizing the cathode structure,suppressing the detrimental interface side reaction and guaranteeing the shorter ion-diffusion and electron-transfer paths,consequently enhancing electrochemical performance.As compared to the NCM811 with PVDF binder,the NCM811 using PI-Om DT binder delivers a superior high-rate capacity(121.07 vs.145.38 m Ah g^(-1))at 5 C rate and maintains a higher capacity retention(80.38%vs.91.6%)after100 cycles at 2.5–4.3 V.Particularly,at the high-voltage conditions up to 4.5 and 4.7 V,the NCM811 with PI-Om DT binder still maintains the remarkable capacity retention of 88.86%and 72.5%after 100 cycles,respectively,paving the way for addressing the high-voltage operating stability of the NCM811 cathode.Moreover,the full-charged NCM811 cathode with PI-Om DT binder exhibits a significantly enhanced thermal stability,improving the safety performance of batteries.This work opens a new avenue for developing high-energy NCM811 based lithium-ion batteries w

关键词： Polyimide binder Micro-branched crosslinking network NCM811 cathode Lithium-ion battery

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Lithium-ion modified cellulose as a water-soluble binder for Li-O2 battery

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Frontiers in Energy 2022年第3期16卷 502-508页

作者： Chenyi Hu Aiming Wu Fengjuan Zhu Liuxuan Luo Fan Yang Guofeng Xia Guanghua Wei Shuiyun Shen Junliang Zhang Institute of Fuel Cells School of Mechanical EngineeringMOE Key Laboratory of Power and Machinery EngineeringShanghai Jiao Tong UniversityShanghai200240China SJTU-Paris Tech Elite Institute of Technology Shanghai Jiao Tong UniversityShanghai200240China

An environment-friendly,water-soluble,and cellulose based binder(lithium carboxymethyl cellulose,CMC-Li)was successfully synthesized by using Li+to replace Na+in the commercial sodium carboxymethyl cellulose(CMC-Na).Li-O2 batteries based on the CMC-Li binder present enhanced discharge specific capacities(11151 mAh/g at 100 mA/g)and a superior cycling stability(100 cycles at 200 mA/g)compared with those based on the CMC-Na binder.The enhanced performance may originate from the electrochemical stability of the CMC-Li binder and the ion-conductive nature of CMC-Li,which promotes the diffusion of Li+in the cathode and consequently retards the increase of charge transfer resistance of the cathode during cycling.The results show that the water-soluble CMC-Li binder can be a green substitute for poly(vinylidene fluoride)(PVDF)binder based on organic solvent in the lithium oxygen batteries(LOBs).

关键词： cellulose binder specific capacity cyclability lithium-oxygen batteries

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Rational design of stretchable and conductive hydrogel binder for highly reversible SiP2 anode

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能源化学:英文版 2023年第8期83卷 564-573,I0013页

作者： Xuhao Liu Runzhe Yao Siqi Wang Yaqing Wei Bin Chen Wei Liang Caiyun Tian Chengyu Nie De Li Yong Chen State Key Laboratory of Marine Resource Utilization in South China Sea Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti ResourcesSchool of Materials Scienceand EngineeringHainan UniversityHaikou 570228HainanChina Guangdong Key Laboratory for Hydrogen Energy Technologies School of Materials Science and Hydrogen EnergyFoshan UniversityFoshan 528000GuangdongChina Department of Materials Science and Engineering City University of Hong KongHong Kong 999077China

The emerging SiP2with large capacity and suitable plateau is proposed to be the alternative anode for Li-ion batteries.However,typical SiP2still suffers from serious volume expansion and structural destruction,resulting in much Li-consumption and capacity fading.Herein,a novel stretchable and conductive Li-PAA@PEDOT:PSS binder is rationally designed to improve the cyclability and reversibility of SiP2.Interestingly,such Li-PAA@PEDOT:PSS hydrogel enables a better accommodation of volume expansion than PVDF binder(e.g.5.94% vs.68.73% of expansivity).More specially,the SiP2electrode with LiPAA@PEDOT:PSS binder is surprisingly found to enable unexpected structural recombination and selfhealing Li-storage processes,endowing itself with a high initial Coulombic efficiency(ICE) up to 93.8%,much higher than PVDF binder(ICE=70.7%) as well.Such unusual phenomena are investigated in detail for Li-PAA@PEDOT:PSS,and the possible mechanism shows that its Li-PAA component enables to prevent the pulverization of SiP2nanoparticles while the PEDOT:PSS greatly bridges fast electronic connection for the whole electrode.Consequently,after being further composited with carbon matrix,the SiP2/C with LiPAA@PEDOT:PSS hydrogel exhibits high reversibility(ICE> 93%),superior cyclability(>450 cycles),and rate capability(1520 mAh/g at 2000 mA/g) for LIBs.This highly stretchable and conductive binder design can be easily extended to other alloying materials toward advanced energy storage.

关键词： SiP_(2) binder Initial Coulombic efficiency Anode material Lithium ion batteries

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Strategies of binder design for high-performance lithium-ion batteries:a mini review

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Rare Metals 2022年第3期41卷 745-761页

作者： Yan-Bo Wang Qi Yang Xun Guo Shuo Yang Ao Chen Guo-Jin Liang Chun-Yi Zhi Department of Materials Science and Engineering City University of Hong KongKowloon 999077Hong KongChina Hong Kong Center for Cerebro-Cardiovascular Health Engineering(COCHE) Shatin 999077Hong KongChina

Developing high-performance lithium-ion batteries (LIBs) with high energy density, rate capability and long cycle life are essential for the ever-growing practical application. Among all battery components, the binder plays a key role in determining the preparation of electrodes and the improvement of battery performance, in spite of a low usage amount. The main function of binder is to bond the active material, conductive additive and current collector together and provide electron and ion channels to improve the kinetics of electrochemical reaction. With the ever-increasing requirement of high energy density by LIBs, technical challenges such as volume expansion and active material dissolution are attracting worldwide attentions, where binder is thought to provide a new solution.There are two main categories (organic solvent soluble binder and water-soluble binder) and abundant polar functional groups providing adhesion ability. It is of great significance to timely summarize the latest progress in battery binders and present the principles for designing novel binders with both robust binding interaction and outstanding electrode stabilization function. This review begins with an introduction of the binding mechanism and the related binding forces, including mechanical interlocking forces and interfacial forces. Then, we discussed four different strategies (the enhancement of binding force,the formation of three-dimensional (3D) network, the enhancement of conductivity and binders with special functions) for constructing ideal binder system in order to satisfy the specific demands of different batteries, such as LIBs and lithium–sulfur (Li–S) batteries. Finally, some prospective and promising directions of binder design are proposed based on the existing and emerging binders and guide the development of the next-generation LIBs.

关键词： Lithium-ion batteries binder Binding mechanism binder design

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Construction of dual crosslinked network binder via sequential ionic crosslinking for high-performance silicon anodes

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Rare Metals 2023年第7期42卷 2238-2249页

作者： Ji-Na Wu Hong-Xu Chen Chao Chen Hai-Dong Li Hong-Wen Zhang Bo Wang School of Materials Science and Engineering Changzhou UniversityChangzhou213164China Nanotechnology Research Institute Jiaxing UniversityJiaxing314001China Key Laboratory of Yarn Materials Forming and Composite Processing Technology of Zhejiang Province Jiaxing UniversityJiaxing314001China School of Chemistry and Chemical Engineering Harbin Institute of TechnologyHarbin150080China

Nowadays,silicon has become a promising anode active material for lithium-ion batteries due to its high specific capacity.However,traditional binder materials cannot effectively restrain the volume expansion of silicon during lithiation/delithiation.Inspired by the growth process of climbing plants,we sequentially crosslink sodium alginate with calcium ions and hyperbranched polyethyleneimine to construct a dual crosslinked network binder.During the sequentially crosslinking,sodium alginate preferentially crosslinks with Ca^(2+)to form the"trellis"network,which restricts the free movement of hyperbranched polyethyleneimine and guides it,like"vine",to gradually anchor on the surrounding"trellis"through hydrogen and ionic bonding.In this dual crosslinked network,the ionic ally crosslinked sodium alginate maintains the anode structural integrity;the anchored hyperbranched polyethyleneimine forms strong multidimensional hydrogen bonds with silicon nanoparticles through its amino-rich branch chains;and the network utilizes the bonding reversibility of hydrogen and ionic bonds to repeatedly eliminate the mechanical stress and self-heal the structure damages caused by the volume change of silicon.Benefited from the multifunction of the dual crosslinked network,the silicon anode has achieved an excellent electrochemical performance with a specific capacity of 2403 mAh·g^(-1)at the current density of500 mA·g^(-1)after 100 cycles.

关键词： Sodium alginate Hyperbranched polyethyleneimine(HBPEI) Ionic crosslinking binder Silicon anode Lithium-ion battery(LIB)

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n-Heptane Isomerization over the Shaped Catalyst Pt/WO_(3)- ZrO_(2) and the Role of the Pseudo-Boehmite binder

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China Petroleum Processing & Petrochemical Technology 2022年第3期24卷 32-43页

作者： Song Yueqin Zhou Sinong Wang Zhaohui Zhou Xiaolong Xiong Yiya International Joint Research Center of Green Energy and Chemical Engineering Institute of Chemical EngineeringEast China University of Science&TechnologyShanghai 200237 Shanghai Yichuan Senior High School Shanghai 200237

The present paper reports new results regarding the addition of pseudo-boehmite as a binder during the synthesis of shaped Pt/WO_(3)-ZrO_(2)-Al_(2)O_(3) (PtWZA) catalysts. binder shaping can noticeably influence not only the structure and acidity of catalyst and improve its catalytic performance with regard to n-heptane isomerization, but the mechanical strength of the catalyst. A suitable binder content can improve the isomerization activity or selectivity by changing the acidity of PtWZA. The influence of the binder content depends on the WO_(3) content of the catalyst. PtWZA catalysts that contain 5%-15% binder on a dry basis exhibit favorable isomerization performance that depends on WO_(3) content. Suitable catalysts include Pt20WZ5A and Pt30WZ15A, which provide conversions of approximately 80%-90% and a selectivity of 90%. These new findings enrich researcher knowledge of the effect of the binder on the catalyst shaping process and are useful in the production of industrial catalysts.

关键词： hydroisomerization Pt zirconia tungstate binder n-heptane

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Mycotoxin binder improves growth rate in piglets associated with reduction of toll-like receptor-4 and increase of tight junction protein gene expression in gut mucosa

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Journal of Animal Science and Biotechnology 2018年第2期9卷 351-360页

作者： Linghong Jin Wei Wang Jeroen Degroote Noémie Van Noten Honglin Yan Maryam Majdeddin Mario Van Poucke Luc Peelman Anne Goderis Kurt Van De Mierop Ronny Mombaerts Stefaan De Smet Joris Michiels Department of Applied Biosciences Ghent University Laboratory for Animal Nutrition and Animal Product Quality Department of Animal Production Ghent University Department of Nutrition Genetics and EthologyFaculty of Veterinary Medicine Ghent University Nutrex

Background: Deoxynivalenol(DON) is a mycotoxin produced by Fusarium species in the field, commonly found in cereal grains, which negatively affects performances and health of animals. Mycotoxin binders are supposed to reduce the toxicity of mycotoxins.Method: The effect of a mycotoxin binder(containing acid-activated bentonite, clinoptilolite, yeast cell walls and organic acids) on growth performance and gut health was studied. Hundred and twenty weaning piglets were allocated to 4 treatments, with 5 pens of 6 piglets each, arranged in a 2 × 2 factorial design: control diet; control diet with 1 kg/t binder; control diet with DON; and control diet with DON and 1 kg/t binder. From d0–14,the diet of DON-challenged groups was artificially contaminated with a mixture of DON(2.6 mg/kg), 3-acetyldeoxynivalenol(0.1 mg/kg) and 15-acetyl-deoxynivalenol(0.3 mg/kg), after which the total contamination level was reduced to 1 mg/kg, until d37. On d14, one pig from each pen was euthanized and distal small intestinal mucosa samples were collected for the assessment of intestinal permeability, and gene expression of tight junction proteins, toll-like receptor 4, inflammatory cytokines and intestinal alkaline phosphatase.Results: After 37 d, there were no differences in growth performance between control and DON-challenged groups(P > 0.05). Nevertheless, groups that received diets with binder had a significantly higher average daily gain(ADG) and average daily feed intake(ADFI) for the first 14 d as well as for the whole period, compared to groups without binder(P ≤ 0.05). Groups with binder in the diet also exhibited lower expression of toll-like receptor 4 in distal small intestinal mucosa at d14, compared to groups without binder(P ≤ 0.05). Interestingly, comparing the two DON treatments, piglets fed DON and binder had significantly higher ADFI and ADG compared to those with only DON for the first 14-d(P ≤ 0.05). Addition of binder to DON contaminated diets, also down-regulated the gene expression of toll-like receptor 4(P ≤ 0.

关键词： binder Deoxynivalenol Gut barrier Gut health Mycotoxin Pigs

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IMPROVEMENT OF RHEOLOGICAL AND SHAPE RETENTION PROPERTIES OF WAX-BASED MIM binder BY MULTI-POLYMER COMPONENTS

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中国有色金属学会会刊：英文版 1999年第1期9卷 24-31页

作者： Li, Yimin Huang, Baiyun Qu, Xuanhui Central South Univ of Technology Changsha China

ＩＮＴＲＯＤＵＣＴＩＯＮＭｅｔａｌｉｎｊｅｃｔｉｏｎｍｏｌｄｉｎｇ（ＭＩＭ）ｉｓａｎｅｍｅｒｇｉｎｇｎｅｔｓｈａｐｉｎｇｐｒｏｃｅｓｗｉｔｈｔｈｅｃａｐａｂｉｌｉｔｙｏｆｐｒｏｄｕｃｉｎｇｃｏｍｐｌｅｘｍｅｔａｌ... 详细信息

ＩＮＴＲＯＤＵＣＴＩＯＮＭｅｔａｌｉｎｊｅｃｔｉｏｎｍｏｌｄｉｎｇ（ＭＩＭ）ｉｓａｎｅｍｅｒｇｉｎｇｎｅｔｓｈａｐｉｎｇｐｒｏｃｅｓｗｉｔｈｔｈｅｃａｐａｂｉｌｉｔｙｏｆｐｒｏｄｕｃｉｎｇｃｏｍｐｌｅｘｍｅｔａｌｐｒｏｄｕｃｔｓｗｈｉｃｈｃａｎ?..

关键词： rheological property metal injection molding (MIM) binder polymer component

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