Small最新文献 - Book学术

An Oxidation‐Resistant High Entropy Alloy for Aqueous Aluminum‐Battery Chemistries 用于铝水电池化学的抗氧化高熵合金

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202505372

Apurva Anjan, Adwitiya Rao, Rohit M. Manoj, Varad Mahajani, Kevin Bhimani, Xue Yao, Jonathan D. Poplawsky, Chandra Veer Singh, Nikhil Koratkar

{"title":"An Oxidation‐Resistant High Entropy Alloy for Aqueous Aluminum‐Battery Chemistries","authors":"Apurva Anjan, Adwitiya Rao, Rohit M. Manoj, Varad Mahajani, Kevin Bhimani, Xue Yao, Jonathan D. Poplawsky, Chandra Veer Singh, Nikhil Koratkar","doi":"10.1002/smll.202505372","DOIUrl":"https://doi.org/10.1002/smll.202505372","url":null,"abstract":"Today Lithium (Li)‐ion batteries are ubiquitous from portable electronics to electric vehicles and grid energy storage. However, Li‐ion technology may not be sustainable in the long run; Li is scarce and comprises <0.0065% of the earth's crust. Aluminum (Al) on the other hand, is the most earth‐abundant metal and offers an outstanding theoretical capacity due to three electron transfers per Al atom. However, traditional batteries that utilize Al‐metal face a major obstacle: the formation of a passivating Al₂O₃ layer that blocks Al3⁺ movement. Here, an Al‐based high entropy alloy (Al‐HEA) is reported that enables efficient Al3⁺ transport while also stabilizing the Al‐metal/aqueous‐electrolyte interface. First‐principles calculations reveal that the solid‐solution structure of the Al‐HEA leads Al atoms to transfer electrons to neighboring elements, which thermodynamically suppresses oxidation. Additionally, the Al‐HEA's oxidation process is kinetically sluggish compared to pure Al, keeping the alloy/electrolyte interface open for Al3+ transport with minimal overpotential. Taking advantage of this, a high‐performing aqueous Al–Selenium (Al–Se) battery is demonstrated that leverages this unique chemistry.","PeriodicalId":228,"journal":{"name":"Small","volume":"392 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Broadband Visual Information Processing with 2D Materials 二维材料的宽带视觉信息处理

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202504001

Genchang Gou, Zexin Li, Xiang Xu, Haoyun Wang, Honggang Gu, Liang Gao, Tianyou Zhai, Xing Zhou

{"title":"Broadband Visual Information Processing with 2D Materials","authors":"Genchang Gou, Zexin Li, Xiang Xu, Haoyun Wang, Honggang Gu, Liang Gao, Tianyou Zhai, Xing Zhou","doi":"10.1002/smll.202504001","DOIUrl":"https://doi.org/10.1002/smll.202504001","url":null,"abstract":"Broadband in‐sensor computing (BISC) technology integrates high‐dimensional visual perception and processing, significantly reducing inter‐unit data exchange while enhancing system efficiency and response speed. This capability is particularly crucial in addressing the exponential growth of broadband visual sensing data driven by the rapid advancement of machine vision. 2D materials, with strong light‐matter interactions, broadband absorption, tunable electronic structures, and exceptional integration compatibility, offer a compelling platform for monolithic BISC implementation. This review systematically explores recent progress in broadband visual information perception and processing based on 2D materials. It begins by categorizing the broadband photodetection potential of various 2D materials, followed by an in‐depth discussion of their integration into photodetectors, focusing on intrinsic 2D materials, localized field enhancement, and heterostructures. The latest advancements in BISC are then highlighted, emphasizing emerging strategies for high‐dimensional visual information processing. Finally, key challenges and future directions are discussed, aiming to guide the development of 2D materials toward integrated high‐dimensional sensing and intelligent computing.","PeriodicalId":228,"journal":{"name":"Small","volume":"109 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Targeting Intratumoral Bacteria for Cancer Treatment 靶向肿瘤内细菌治疗癌症

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202505651

Jianbin Shi, Jiaqi Liang, Yi Li, Zhixiao Zhang, Jin Sun, Zhonggui He, Cong Luo, Xiujuan Qu, Xiaofang Che, Shenwu Zhang

{"title":"Targeting Intratumoral Bacteria for Cancer Treatment","authors":"Jianbin Shi, Jiaqi Liang, Yi Li, Zhixiao Zhang, Jin Sun, Zhonggui He, Cong Luo, Xiujuan Qu, Xiaofang Che, Shenwu Zhang","doi":"10.1002/smll.202505651","DOIUrl":"https://doi.org/10.1002/smll.202505651","url":null,"abstract":"Intratumoral bacteria have emerged as critical modulators of cancer biology and therapeutic outcomes. Substantial evidence has demonstrated that tumors harbor diverse bacterial communities capable of interacting with both cancer cells and host immunity to influence tumor progression and treatment responses. These bacteria adapt to the immunosuppressive, hypoxic, and acidic tumor microenvironment, leveraging these conditions to thrive. This review provides an overview of intratumoral bacteria, focusing on their origins, colonization mechanisms, detection methods, and roles in tumor development and metastasis. Furthermore, their dual impact on therapeutic efficacy is discussed, enhancing anti‐tumor immunity or conferring treatment resistance. Critically, emerging targeting strategies including engineered bacteria design, vaccine strategies, oncolytic therapy, antibiotics mediated nano strategies, and regulating intratumoral bacteria abundance are also discussed. Despite translational promise, key challenges remain in safety validation, targeting precision, and deciphering complex bacteria‐tumor–immune crosstalk. By elucidating the multifaceted biology of intratumoral bacteria, the review aims to accelerate clinical translation and inspire innovative cancer therapeutics.","PeriodicalId":228,"journal":{"name":"Small","volume":"1 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mg‐MOF‐74@PAN Nanofibrous Membranes: Synergistic Purification of Trace Formaldehyde and Particulate Matter Mg‐MOF‐74@PAN纳米纤维膜：微量甲醛和颗粒物的协同净化

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202506011

Xingbei Wu, Shi Tu, Xinyu Zhang, Xiaofei Chen, Jiajin Huang, Jinze Yao, Ying Wu, Bin Mu, Zhong Li, Qibin Xia

{"title":"Mg‐MOF‐74@PAN Nanofibrous Membranes: Synergistic Purification of Trace Formaldehyde and Particulate Matter","authors":"Xingbei Wu, Shi Tu, Xinyu Zhang, Xiaofei Chen, Jiajin Huang, Jinze Yao, Ying Wu, Bin Mu, Zhong Li, Qibin Xia","doi":"10.1002/smll.202506011","DOIUrl":"https://doi.org/10.1002/smll.202506011","url":null,"abstract":"The rapid removal of trace formaldehyde and particulate matter (PM) from indoor environments via adsorption and filtration remains a significant challenge. Herein, a series of MOFs@PAN composite membranes with dense adsorption sites and enhanced electrostatic interactions are engineered for efficient formaldehyde capture and PM filtration. The 72%‐Mg‐MOF‐74@PAN membrane demonstrated a remarkable HCHO adsorption capacity of 36.39 mg g−1 (1 ppm, 303 K) and a breakthrough adsorption capacity of 106.11 mg g−1 (10 ppm, 298 K), surpassing that of commercial activated carbon (1.23 mg g−1) and ZIF‐67@ANF (MOFs, 5.31 mg g−1). The superior trace HCHO adsorption originates from strong electrostatic interactions between unsaturated Mg clusters and HCHO, coupled with densely distributed adsorption sites within the framework. Furthermore, the 72%‐Mg‐MOF‐74@PAN membrane exhibited a particle filtration efficiency of over 99.5% for PM0.3. The PM0.3 capture mechanism synergistically integrated passive structural diffusional deposition mediated by the ultrafine PAN fibers (0.25 µm) and proactive electrostatic entrapment driven by surface hydroxyl groups and unsaturated metal sites. This research underscores the exceptional performance of Mg‐MOF‐74@PAN membranes in improving indoor air quality, efficiently eliminating formaldehyde and proficiently filtering PM0.3 particles.","PeriodicalId":228,"journal":{"name":"Small","volume":"11 3 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Importance of Fluorine in High Voltage Electrolytes for LNMO||SiGr Cell Chemistry 高压电解质中氟对LNMO bb| SiGr电池化学的重要性

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202505254

Maike Leopold, Felix Pfeiffer, Elisabeth Christine Muschiol, Christian Wölke, Peng Yan, Kai Brüning, Sascha Nowak, Melanie Esselen, Martin Winter, Isidora Cekic‐Laskovic

{"title":"Importance of Fluorine in High Voltage Electrolytes for LNMO||SiGr Cell Chemistry","authors":"Maike Leopold, Felix Pfeiffer, Elisabeth Christine Muschiol, Christian Wölke, Peng Yan, Kai Brüning, Sascha Nowak, Melanie Esselen, Martin Winter, Isidora Cekic‐Laskovic","doi":"10.1002/smll.202505254","DOIUrl":"https://doi.org/10.1002/smll.202505254","url":null,"abstract":"Lithium nickel manganese oxide (LNMO) and silicon/graphite (SiGr) are promising active materials for high voltage lithium ion batteries attributed to the high operating potential versus Li|Li+ of LNMO and the high specific discharge capacity of silicon. However, this cell chemistry exhibits rapid capacity fading, primarily attributed to electrolyte decomposition at the high operating voltage of 4.9 V. Here, a fluorinated electrolyte containing lithium hexafluorophosphate as conducting salt, as well as fluoroethylene carbonate and methyl (2,2,2‐trifluoroethyl) carbonate as electrolyte solvents is introduced. The influence of the selected solvents on the interphase formation and galvanostatic cycling performance is analyzed using complementary electrochemical, spectroscopic, and safety‐related techniques. The presence of fluorinated solvents enables a high oxidative stability of an electrolyte up to 5.0 V versus Li|Li+ and effective interphase formation. In comparison to cells with non‐fluorinated electrolytes, the galvanostatic cycling performance demonstrates a considerable improvement, leading to a doubling of the achievable cycle life. Roll‐over failure observed in the electrolyte with non‐fluorinated solvents could be effectively suppressed for over 300 cycles and the resulting electrolyte formulation with fluorinated solvents is non‐flammable. Additionally, by fine‐tuning the electrolyte formulation, the extent of acetylcholinesterase inhibition, an indication of substance toxicity of the aged electrolyte could be reduced.","PeriodicalId":228,"journal":{"name":"Small","volume":"22 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dual Interfacial Engineering of Cracked NiCoP Electrode with Directed Bubbling for Efficient and Stable Hydrogen Evolution 裂纹NiCoP电极定向鼓泡双界面工程高效稳定析氢

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202506058

Zhuming Mao, Yansong Zhou, Yina Guo, Yanjing Liu, Yang Liu, Minghui Cui, Qiongrong Ou, Shuyu Zhang

{"title":"Dual Interfacial Engineering of Cracked NiCoP Electrode with Directed Bubbling for Efficient and Stable Hydrogen Evolution","authors":"Zhuming Mao, Yansong Zhou, Yina Guo, Yanjing Liu, Yang Liu, Minghui Cui, Qiongrong Ou, Shuyu Zhang","doi":"10.1002/smll.202506058","DOIUrl":"https://doi.org/10.1002/smll.202506058","url":null,"abstract":"Constructing stable electrodes is the premise of practical water electrolysis. Unfortunately, the catalytic performance under industrial conditions encounters critical challenges in bubble dynamics, wherein the violent bubble accumulation not only blocks active sites against reactants but also induces excessive stress upon detachment, leading to catalyst delamination from substrates. Here, a substrate‐strengthened and crack‐configured NiCoP electrode is developed, which features robust catalyst‐substrate binding strength and weakened adhesion at the catalyst‐bubble interface. The precisely engineered dual interfaces enable improved mechanical stability, facilitated bubble desorption, and optimized reaction kinetics for high‐rate hydrogen evolution. The catalyst exhibited an ultra‐low overpotential of 288 mV at 1000 mA cm−2, with robust stability over 200 h. Furthermore, when served in an anion exchange membrane water electrolyzer (AEMWE), a minimized cell voltage of 1.76 V is recorded at 1000 mA cm−2 and operated stably for 150 h. This work provides intriguing concepts for designing electrodes toward industrial green hydrogen applications.","PeriodicalId":228,"journal":{"name":"Small","volume":"109 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dynamic Migration of Ag Efficiently Modulated Electronic Structure and Impressed Chlorine Corrosion of NiFe‐LDH for Seawater Oxidation Ag有效调制电子结构的动态迁移和NiFe - LDH对海水氧化的影响

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202503976

Yongping Qu, Huajun Zhou, Yuzhen Zhang, Peihua Zhao, Kai Yuan, Rui Zhou, Hui Gao, Yanzhong Wang

{"title":"Dynamic Migration of Ag Efficiently Modulated Electronic Structure and Impressed Chlorine Corrosion of NiFe‐LDH for Seawater Oxidation","authors":"Yongping Qu, Huajun Zhou, Yuzhen Zhang, Peihua Zhao, Kai Yuan, Rui Zhou, Hui Gao, Yanzhong Wang","doi":"10.1002/smll.202503976","DOIUrl":"https://doi.org/10.1002/smll.202503976","url":null,"abstract":"Seawater electrolysis is a promising route for hydrogen production. However, the elevated concentration of Cl− in seawater can cause the serious corrosion of electrode materials, which limits the large‐scale application of seawater splitting for the generation of green hydrogen. Herein, nickel iron layered double hydroxide@Ag/iron foam (NiFe‐LDH@Ag/IF) composites are synthesized using a two‐step method at room temperature. The introduction of Ag not only induces the electron density redistribution of NiFe‐LDH to promote the formation of NiFeOOH as the catalytically active sites, but also impress the corrosion of chloride ions during the seawater oxidation. The as‐prepared NiFe‐LDH@Ag/IF only requires a low overpotential of 255 mV at a current density of 500 mA cm−2 in alkaline solution, and it can stably operate for 1000 h without degradation. Importantly, the formed AgCl nanoparticles loaded on the surface of NiFe‐LDH nanosheets can effectively prevent the corrosive effect of Cl− during the seawater oxidation process. Thus, NiFe‐LDH@Ag/IF can maintain high catalytic activity and work stably for 1000 h at high current density of 500 mA cm−2 for seawater oxidation. This study presents a simple method for preparing self‐supported electrocatalysts with excellent corrosion resistance and high catalytic activity in alkaline seawater oxidation.","PeriodicalId":228,"journal":{"name":"Small","volume":"35 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Molecular Structure Engineering of Graphitic Carbon Nitride for Photocatalytic Hydrogen Evolution: Recent Advances and Perspectives 光催化析氢石墨氮化碳的分子结构工程研究进展与展望

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202503954

Guanyu Wu, Qiuheng Wang, Qinyao Ren, Zhao Mo, Hui Xu

{"title":"Molecular Structure Engineering of Graphitic Carbon Nitride for Photocatalytic Hydrogen Evolution: Recent Advances and Perspectives","authors":"Guanyu Wu, Qiuheng Wang, Qinyao Ren, Zhao Mo, Hui Xu","doi":"10.1002/smll.202503954","DOIUrl":"https://doi.org/10.1002/smll.202503954","url":null,"abstract":"Photocatalytic hydrogen evolution has emerged as a sustainable strategy to address the global energy crisis and environmental challenges. Among various photocatalysts, graphitic carbon nitride (g‐C3N4) has garnered significant attention due to its visible light responsiveness and tunable electronic structure. However, its intrinsic limitations, including rapid charge recombination and insufficient light harvesting capability, have hindered its practical applications. To overcome these constraints, molecular structure engineering of g‐C3N4 has emerged a pivotal approach for modulating its physicochemical properties at the molecular level. This review systematically elucidates advanced strategies for molecular‐level modulation of g‐C3N4, such as functional group grafting, defect engineering, element doping, morphology regulation, and crystallinity regulation. The synergistic effects of these strategies in enhancing charge separation efficiency and surface redox dynamics are thoroughly discussed, with a particular emphasis on the structure–activity relationships revealed through in situ characterization and theoretical calculations. Furthermore, this article delineates the challenges and future directions for designing high‐performance g‐C3N4 photocatalysts. This comprehensive review aims to provide a holistic framework for understanding the molecular structure‐performance correlations of g‐C3N4 and to inspire innovative solutions in the field of solar‐driven hydrogen production.","PeriodicalId":228,"journal":{"name":"Small","volume":"12 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Delivery System of Nanozymes Loaded with DNAzymes and Hypoxia‐Activated Prodrug for Anti‐Tumor Metastasis 载DNAzymes纳米酶和缺氧激活前药抗肿瘤转移的递送系统

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202504778

Lianxiao Zhang, Qijie Diao, Bo Li, Xuedan Yang, Teng Wang, Rui Chen, Tianze Jiang, Xia Zhao

{"title":"Delivery System of Nanozymes Loaded with DNAzymes and Hypoxia‐Activated Prodrug for Anti‐Tumor Metastasis","authors":"Lianxiao Zhang, Qijie Diao, Bo Li, Xuedan Yang, Teng Wang, Rui Chen, Tianze Jiang, Xia Zhao","doi":"10.1002/smll.202504778","DOIUrl":"https://doi.org/10.1002/smll.202504778","url":null,"abstract":"Breast cancer is a common malignant tumor in women worldwide, and its high metastasis is the main reason for high mortality. Especially under hypoxic microenvironments, the upregulation of hypoxia‐inducible factor 1‐alpha (HIF‐1α) can activate the transcription factor Twist and promote tumor metastasis through epithelial‐mesenchymal transformation (EMT). Here, MnO2 nanosheets are synthesized with oxidase‐like activity using fucoidan as a protective agent, and construct a multifunctional delivery system MnO2@DNAzyme‐TPZ (MDT) by loading DNAzymes and hypoxia‐activated prodrug Tirapazamine (TPZ) for tumor treatment and metastasis inhibition. MDT kills tumors by converting O2 into reactive oxygen species (ROS) through MnO2 nanozymes, and inhibits tumor metastasis by selectively silencing the tumor metastasis‐related Twist gene through DNAzymes. TPZ enhances tumor killing under hypoxic environments and synergistically inhibits tumor metastasis by reducing the expression of HIF‐1α. MDT significantly inhibits tumor growth and metastasis in vivo in an in situ tumor model. The strategy of combining selective gene silencing based on DNAzymes with nanozymes and hypoxia‐activated prodrug provides a new approach to anti‐tumor metastasis therapy.","PeriodicalId":228,"journal":{"name":"Small","volume":"49 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603656","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhancing the Electrochemical Performance of Small Quinone Organic Electrode via High‐Concentration Zn2+/K+ Hybrid Electrolyte for Aqueous Batteries 利用高浓度Zn2+/K+混合电解质提高小醌类有机电极的电化学性能

IF 13.3 2区材料科学

Small Pub Date : 2025-07-11 DOI: 10.1002/smll.202501112

Mingyang Zhong, Tevin Li, Shouyi Yuan, Junwei Lucas Bao, Yonggang Wang

{"title":"Enhancing the Electrochemical Performance of Small Quinone Organic Electrode via High‐Concentration Zn2+/K+ Hybrid Electrolyte for Aqueous Batteries","authors":"Mingyang Zhong, Tevin Li, Shouyi Yuan, Junwei Lucas Bao, Yonggang Wang","doi":"10.1002/smll.202501112","DOIUrl":"https://doi.org/10.1002/smll.202501112","url":null,"abstract":"Small Quinone‐based Organic Electrodes have received extensive attention. However, the rapid dissolution of small quinone electrode into electrolyte impede their practical applications. For example, Anthraquinone (AQ) and Phenanthrenequinone (PQ) molecules have been rarely reported for aqueous batteries due to the inferior electrochemical performance. Herein, a high‐concentration hybrid electrolyte containing 1m Zn(OTF)2 and 15m KOTF salts is introduced for small quinone electrode and investigate the redox behavior of PQ and AQ electrode is investigated in Zn2+/K+ hybrid electrolyte. These findings reveal that AQ with carbonyl groups at para‐position selectively stores proton rather than K+, while PQ with carbonyl group at ortho‐position simultaneously stores proton and K+ without selectivity. Moreover, the Zn(OTF)2 salt serves as both proton buffer and binder to improve the cycle stability. Consequently, when PQ is paired with Zn metal anode for Zn || PQ batteries, the addition of potassium salt can improve the energy density of the Zn batteries. Moreover, when PQ is paired with Prussian blue cathode to assemble aqueous K‐ion batteries, the addition of zinc salt in the electrolyte can improve the cycle stability via binding discharged PQ molecules with divalent‐ions. This research provides an electrolyte engineering strategy to address the challenges facing PQ electrode for aqueous batteries.","PeriodicalId":228,"journal":{"name":"Small","volume":"22 1","pages":""},"PeriodicalIF":13.3,"publicationDate":"2025-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144603670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0