ACS Materials Letters最新文献

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Rapid Chemical Synthesis of High-Entropy Oxide Colloids under Ambient Conditions
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2024-11-05 DOI: 10.1021/acsmaterialslett.4c0184910.1021/acsmaterialslett.4c01849
Saikat Bolar, Akitaka Ito, Chunyu Yuan, Yoshikazu Ito and Takeshi Fujita*, 
{"title":"Rapid Chemical Synthesis of High-Entropy Oxide Colloids under Ambient Conditions","authors":"Saikat Bolar,&nbsp;Akitaka Ito,&nbsp;Chunyu Yuan,&nbsp;Yoshikazu Ito and Takeshi Fujita*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0184910.1021/acsmaterialslett.4c01849","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c01849https://doi.org/10.1021/acsmaterialslett.4c01849","url":null,"abstract":"<p >High-entropy oxides (HEOs) exhibit high catalytic activities in the O<sub>2</sub> evolution reaction (OER). Nevertheless, the methods used for the fabrication of these oxides necessitate the application of heat and/or pressure. Accordingly, herein, HEO colloids are produced by a facile procedure under ambient temperature and pressure conditions using a strong base, an oxidant, and metal salt(s). Using the proposed method, HEO colloids containing up to 12 metal elements are prepared and specifically tailored as electrocatalysts for the OER. This chemical approach enables the cost-effective production of HEO colloids with diverse compositions, opening the door to a wide range of applications of HEOs.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"6 12","pages":"5325–5332 5325–5332"},"PeriodicalIF":9.6,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Operationally Robust Li–S Batteries at High Current Density Enabled by Metallic, Dual Sulfurphilic Nickel Boride
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2024-11-04 DOI: 10.1021/acsmaterialslett.4c0188510.1021/acsmaterialslett.4c01885
Xin He, Zhaotian Xie, Wentao Zhang, Ziyao Gao, Yan Cheng, Xinming Zhang, Yan-Bing He, Feiyu Kang* and Lele Peng*, 
{"title":"Operationally Robust Li–S Batteries at High Current Density Enabled by Metallic, Dual Sulfurphilic Nickel Boride","authors":"Xin He,&nbsp;Zhaotian Xie,&nbsp;Wentao Zhang,&nbsp;Ziyao Gao,&nbsp;Yan Cheng,&nbsp;Xinming Zhang,&nbsp;Yan-Bing He,&nbsp;Feiyu Kang* and Lele Peng*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0188510.1021/acsmaterialslett.4c01885","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c01885https://doi.org/10.1021/acsmaterialslett.4c01885","url":null,"abstract":"<p >Achieving high sulfur loading and robust cycling in lithium–sulfur (Li–S) batteries under a high current density is challenging. Employing metallic catalysts to improve the charge transfer and the polysulfide lithium polysulfide (LiPSs) conversion within the sulfur cathode under a high current with a high sulfur loading represents a promising approach. This study explores metallic nickel boride (NiB) as a catalyst to enhance charge transfer and LiPS conversion. Theoretical and experimental results reveal that NiB accelerates sulfur redox kinetics, significantly improving the battery performance. With a sulfur loading of 5 mg cm<sup>–2</sup> cycled at 0.5 C, the NiB-based battery achieved a discharge capacity of 1239 mAh g<sup>–1</sup>, retaining 83.2% after 150 cycles. Even at a current density of 14.89 mA cm<sup>–2</sup>, it maintained a capacity of 590 mAh g<sup>–1</sup> with a low decay rate of 0.07%. This approach highlights the potential of metal boride catalysts for practical Li–S battery applications.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"6 12","pages":"5307–5315 5307–5315"},"PeriodicalIF":9.6,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Amino-Yne Click Polymerized β-Ketoenamine-Based Covalent Organic Frameworks for Enhanced Photocatalytic Performance
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2024-11-04 DOI: 10.1021/acsmaterialslett.4c0199110.1021/acsmaterialslett.4c01991
Zhangjie Gu, Jinya Tian, Yi Li, Hongbing Li, Yongping Chai and Xiaodong Chi*, 
{"title":"Amino-Yne Click Polymerized β-Ketoenamine-Based Covalent Organic Frameworks for Enhanced Photocatalytic Performance","authors":"Zhangjie Gu,&nbsp;Jinya Tian,&nbsp;Yi Li,&nbsp;Hongbing Li,&nbsp;Yongping Chai and Xiaodong Chi*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0199110.1021/acsmaterialslett.4c01991","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c01991https://doi.org/10.1021/acsmaterialslett.4c01991","url":null,"abstract":"<p >Constructing β-ketoenamine-linked covalent organic frameworks (COFs) for photocatalysis is highly attractive but remains challenging due to limited reaction types and monomer availability. Herein, we highlight the critical role of amino-yne click polymerization in overcoming these challenges and enabling the successful synthesis of a novel β-ketoenamine-linked COF, named En-COF-P. This new approach not only simplifies the synthesis process but also significantly expands the types of chemical linkages available for COF construction. The resulting En-COF-P exhibits an enhanced visible light absorption range, facilitating improved charge generation and separation. These properties translate into remarkable photocatalytic performance, particularly in the blue-light-driven selective oxidation of organic sulfides, where En-COF-P achieves up to 99% conversion and 99% selectivity. Remarkably, En-COF-P’s photocatalytic efficiency is eight times higher than that of traditional imine-linked COFs. This work underscores the potential of click polymerization in COF synthesis and advances a new strategy for the design of highly efficient photocatalysts.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"6 12","pages":"5292–5299 5292–5299"},"PeriodicalIF":9.6,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modulating Ion Deposition and Crystallization of Sputtered Perovskite Films for Efficient and Stable Solar Cells
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2024-11-04 DOI: 10.1021/acsmaterialslett.4c0174310.1021/acsmaterialslett.4c01743
Bo Gao, Zhuang Zuo, Jing Hu, Qi Qi, Zongyang Peng, Shaocong Hou, Yongping Fu* and Dechun Zou*, 
{"title":"Modulating Ion Deposition and Crystallization of Sputtered Perovskite Films for Efficient and Stable Solar Cells","authors":"Bo Gao,&nbsp;Zhuang Zuo,&nbsp;Jing Hu,&nbsp;Qi Qi,&nbsp;Zongyang Peng,&nbsp;Shaocong Hou,&nbsp;Yongping Fu* and Dechun Zou*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0174310.1021/acsmaterialslett.4c01743","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c01743https://doi.org/10.1021/acsmaterialslett.4c01743","url":null,"abstract":"<p >Perovskite films with excellent photoelectric properties play a significant role in fabricating high-performance solar cells. Magnetron sputtering is a commercially available and highly reliable technique that is highly attractive for applications in the production of perovskite films. Here, the ion deposition of the step-by-step sputtering process and the continuous sputtering process was systematically explored to realize the controlled ion deposition and crystallization of sputtered perovskite films. We found that the deposition rate of organic components in the initial sputtering stage is greater than that of inorganic components, leading to the ion ratio of perovskite thin films being accurately regulated by adjusting the sputtering time. Furthermore, the injected content of methylammonium bromide will significantly affect the ion ratios and crystal structures of the sputtered perovskite films. The efficiency and stability of sputtered perovskite solar cells can be enhanced significantly by optimizing the sputtered processes and improving the crystallization, which lay a solid foundation for further study of the preparation of perovskite solar cells by magnetron sputtering.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"6 12","pages":"5300–5306 5300–5306"},"PeriodicalIF":9.6,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing Precision and Durability of Built-In Cu-Li Reference Electrodes in Lithium-Ion Batteries: A Critical Review 提高锂离子电池内置铜锂离子参比电极的精度和耐用性:批判性评论
IF 19.3 1区 化学
ACS Materials Letters Pub Date : 2024-10-31 DOI: 10.1021/acsenergylett.4c0243110.1021/acsenergylett.4c02431
Zhiguo Zhang, Yiding Li, Xueqing Min, Dongsheng Ren, Youzhi Song, Li Wang*, Hong Zhao* and Xiangming He*, 
{"title":"Enhancing Precision and Durability of Built-In Cu-Li Reference Electrodes in Lithium-Ion Batteries: A Critical Review","authors":"Zhiguo Zhang,&nbsp;Yiding Li,&nbsp;Xueqing Min,&nbsp;Dongsheng Ren,&nbsp;Youzhi Song,&nbsp;Li Wang*,&nbsp;Hong Zhao* and Xiangming He*,&nbsp;","doi":"10.1021/acsenergylett.4c0243110.1021/acsenergylett.4c02431","DOIUrl":"https://doi.org/10.1021/acsenergylett.4c02431https://doi.org/10.1021/acsenergylett.4c02431","url":null,"abstract":"<p >The reference electrode (RE), integrated as a sensor within lithium-ion batteries (LIBs), offers real-time insights into the electrochemical properties of individual electrodes, which makes it an ideal indicator for monitoring the working state of LIBs. Nevertheless, most built-in REs in LIBs face significant challenges that limit their application as precise and durable sensors for effective battery management, relegating them to being rough and temporary indicators in research settings. This Review delves into the latest advances in enhancing the accuracy and longevity of lithium metal deposited on Cu (Cu-Li) REs. It explores the underlying causes and factors contributing to measurement inaccuracies. Finally, the Review puts forth strategies to overcome these challenges in three-electrode LIBs. Gaining a comprehensive understanding of the intrinsic behaviors of LIBs, REs, and their interactions is pivotal for developing high-precision REs, thereby accelerating the innovation of new and safer LIB technologies.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"9 11","pages":"5647–5669 5647–5669"},"PeriodicalIF":19.3,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142609285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Seed Layers for Wide-Band Gap Coevaporated Perovskite Solar Cells: CsCl Regulates Band Gap and Reduces Process Variability 用于宽带隙共蒸发过氧化物太阳能电池的种子层:氯化铯调节带隙并降低工艺变异性
IF 19.3 1区 化学
ACS Materials Letters Pub Date : 2024-10-31 DOI: 10.1021/acsenergylett.4c0217310.1021/acsenergylett.4c02173
Viktor Škorjanc*, Aleksandra Miaskiewicz, Marcel Roß*, Suresh Maniyarasu, Stefanie Severin, Matthew R. Leyden, Philippe Holzhey, Florian Ruske, Lars Korte and Steve Albrecht*, 
{"title":"Seed Layers for Wide-Band Gap Coevaporated Perovskite Solar Cells: CsCl Regulates Band Gap and Reduces Process Variability","authors":"Viktor Škorjanc*,&nbsp;Aleksandra Miaskiewicz,&nbsp;Marcel Roß*,&nbsp;Suresh Maniyarasu,&nbsp;Stefanie Severin,&nbsp;Matthew R. Leyden,&nbsp;Philippe Holzhey,&nbsp;Florian Ruske,&nbsp;Lars Korte and Steve Albrecht*,&nbsp;","doi":"10.1021/acsenergylett.4c0217310.1021/acsenergylett.4c02173","DOIUrl":"https://doi.org/10.1021/acsenergylett.4c02173https://doi.org/10.1021/acsenergylett.4c02173","url":null,"abstract":"<p >Coevaporation, an up-scalable deposition technique that allows for conformal coverage of textured industrial silicon bottom cells, is particularly suited for application in perovskite-silicon tandem solar cells (PSTs). However, research on coevaporated perovskites with an appropriate band gap for PSTs remains limited, with lower efficiency and reproducibility than solution-processed films. Here, we present a simple approach using a thin layer of a precursor material, namely, PbI<sub>2</sub>, PbCl<sub>2</sub>, CsI, or CsCl, as a seed layer on the hole-transporting layer/perovskite interface. We find CsCl to be the optimal seed layer for our system. Perovskite single junction cells prepared with CsCl seed layer exhibit 19.6% power conversion efficiency with a band gap of 1.69 eV and improved long-term stability. We attribute the observed enhancements to the more precise and consistent incorporation of the organic precursor into the perovskite lattice during the film growth. This work demonstrates that engineering the substrate surface is crucial for achieving well-controlled growth of efficient and stable coevaporated wide-band gap perovskite solar cells.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"9 11","pages":"5639–5646 5639–5646"},"PeriodicalIF":19.3,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsenergylett.4c02173","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142609558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reconstruction of Electron-Selective Interface via Multifunctional Chemical Bridging Enables High-Performance Rigid and Flexible Perovskite Solar Cells 通过多功能化学桥重构电子选择性界面,实现高性能刚性和柔性 Perovskite 太阳能电池
IF 19.3 1区 化学
ACS Materials Letters Pub Date : 2024-10-31 DOI: 10.1021/acsenergylett.4c0271510.1021/acsenergylett.4c02715
Xiaodan Tang, Bingyao Shao, Bo Li, Miao Li, Lulu Jiang, Mutalifu Abulikemu, Hongwei Zhu, Jianxing Xia*, Osman M. Bakr* and Hairui Liu*, 
{"title":"Reconstruction of Electron-Selective Interface via Multifunctional Chemical Bridging Enables High-Performance Rigid and Flexible Perovskite Solar Cells","authors":"Xiaodan Tang,&nbsp;Bingyao Shao,&nbsp;Bo Li,&nbsp;Miao Li,&nbsp;Lulu Jiang,&nbsp;Mutalifu Abulikemu,&nbsp;Hongwei Zhu,&nbsp;Jianxing Xia*,&nbsp;Osman M. Bakr* and Hairui Liu*,&nbsp;","doi":"10.1021/acsenergylett.4c0271510.1021/acsenergylett.4c02715","DOIUrl":"https://doi.org/10.1021/acsenergylett.4c02715https://doi.org/10.1021/acsenergylett.4c02715","url":null,"abstract":"<p >Interface engineering has significantly boosted perovskite solar cell efficiency and stability. However, numerous approaches focus on addressing defects at the interfaces between transport layers while neglecting potential issues within the bulk perovskite material. Here, a multifunctional molecule, sodium lignosulfonate (SL), containing three types of functional groups, was introduced as a chemical bridge at the perovskite/SnO<sub>2</sub> interface. The introduced SL bridges promote energy level alignment at the perovskite/SnO<sub>2</sub> interface and regulate the perovskite crystallization process. Meanwhile, the coordinated interactions between the perovskite components with −OH and −SO<sub>3</sub><sup>–</sup> groups on SL, coupled with Na<sup>+</sup> diffusion, effectively passivate defects at the buried interface and within the perovskite bulk. As a result, the champion SnO<sub>2</sub>–SL based <i>n-i-p</i> PSC achieved power conversion efficiencies of 25.73% and 25.13% on rigid and flexible substrates, respectively. Unencapsulated devices maintained 92.9% of their initial efficiency after 2,550 h of maximum power point-tracking under 1-sun illumination in an inert atmosphere.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"9 11","pages":"5679–5687 5679–5687"},"PeriodicalIF":19.3,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142609487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topochemical Synthesis and Formation Mechanism of Garnet Multimetal Fluorides
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2024-10-31 DOI: 10.1021/acsmaterialslett.4c0169010.1021/acsmaterialslett.4c01690
Keshav Kumar, Prabhat Thapliyal, Divya Bhutani, Rinya Rubu, Shubham Kumar Debadatta, Sheetal Kumar Jain and Premkumar Senguttuvan*, 
{"title":"Topochemical Synthesis and Formation Mechanism of Garnet Multimetal Fluorides","authors":"Keshav Kumar,&nbsp;Prabhat Thapliyal,&nbsp;Divya Bhutani,&nbsp;Rinya Rubu,&nbsp;Shubham Kumar Debadatta,&nbsp;Sheetal Kumar Jain and Premkumar Senguttuvan*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0169010.1021/acsmaterialslett.4c01690","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c01690https://doi.org/10.1021/acsmaterialslett.4c01690","url":null,"abstract":"<p >The synthesis of multimetal fluorides (MMFs) is challenged by the usage of toxic fluoride precursors and their thermodynamic instability at higher temperatures. Here, we demonstrate a new topochemical reaction pathway to tailor garnet-type single- and multimetal fluorides from double perovskite (DP) hosts. Our combined X-ray diffraction, Fourier-transformed infrared, and nuclear magnetic spectroscopic techniques reveal the transformation pathway as DP-(NH<sub>4</sub>)<sub>3</sub>(M/M′)<sup>3+</sup>F<sub>6</sub> to DP-(NH<sub>4</sub>)<sub>2</sub>(Na/Li)(M/M′)<sup>3+</sup>F<sub>6</sub> to garnet-Na<sub>3</sub>Li<sub>3</sub>(M/M′)<sub>2</sub>F<sub>12</sub> ((M/M′)<sup>3+</sup> = Al<sup>3+</sup>, Fe<sup>3+</sup>, Cr<sup>3+</sup> and V<sup>3+</sup>) through ion-exchange reaction between NH<sub>4</sub><sup>+</sup> and Li<sup>+</sup>/Na<sup>+</sup> ions. The garnet MMF-Na<sub>3</sub>Li<sub>3</sub>(Fe<sub>0.33</sub>Cr<sub>0.33</sub>V<sub>0.33</sub>)<sub>2</sub>F<sub>12</sub> catalyst displays ultralow overpotential (η<sub>500</sub> of 245 mV) with higher durability.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"6 12","pages":"5285–5291 5285–5291"},"PeriodicalIF":9.6,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Poly(3-thiophenemalonic acid) Modified NiFe Layered Double Hydroxide Electrocatalyst for Stable Seawater Oxidation at an Ampere-Scale Current Density
IF 9.6 1区 化学
ACS Materials Letters Pub Date : 2024-10-31 DOI: 10.1021/acsmaterialslett.4c0205410.1021/acsmaterialslett.4c02054
Chaoxin Yang, Liyun Bi, Zhengwei Cai, Zixiao Li, Shengjun Sun, Xiaoyan Wang, Min Zhang, Meng Yue, Dongdong Zheng, Yongsong Luo, Mohamed S. Hamdy, Asmaa Farouk, Yongchao Yao*, Xuping Sun* and Bo Tang*, 
{"title":"Poly(3-thiophenemalonic acid) Modified NiFe Layered Double Hydroxide Electrocatalyst for Stable Seawater Oxidation at an Ampere-Scale Current Density","authors":"Chaoxin Yang,&nbsp;Liyun Bi,&nbsp;Zhengwei Cai,&nbsp;Zixiao Li,&nbsp;Shengjun Sun,&nbsp;Xiaoyan Wang,&nbsp;Min Zhang,&nbsp;Meng Yue,&nbsp;Dongdong Zheng,&nbsp;Yongsong Luo,&nbsp;Mohamed S. Hamdy,&nbsp;Asmaa Farouk,&nbsp;Yongchao Yao*,&nbsp;Xuping Sun* and Bo Tang*,&nbsp;","doi":"10.1021/acsmaterialslett.4c0205410.1021/acsmaterialslett.4c02054","DOIUrl":"https://doi.org/10.1021/acsmaterialslett.4c02054https://doi.org/10.1021/acsmaterialslett.4c02054","url":null,"abstract":"<p >Seawater electrolysis shows potential for sustainable hydrogen production but faces challenges from the high concentration of Cl<sup>–</sup>, which leads to corrosion and performance degradation. In this study, we prepared a NiFe layered double hydroxide (NiFe LDH) nanoarray modified with poly(3-thiophenemalonic acid) (PTPA) on Ni foam (NiFe LDH@PTPA/NF) to enhance alkaline seawater oxidation (ASO). PTPA serves as a conductive and protective layer, improving electrical conductivity and repelling Cl<sup>–</sup> to increase stability. The electrode demonstrated stable operation at 1000 mA cm<sup>–</sup><sup>2</sup> with low overpotential for 600 h, generating minimal chlorine. In situ Raman spectroscopy confirmed that PTPA facilitates active site formation and provides Cl<sup>–</sup> protection, while inductively coupled plasma-optical emission spectrometry analysis indicated reduced Ni and Fe leaching. This study highlights the potential of conductive polymers to enhance ASO performance and durability.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"6 12","pages":"5248–5255 5248–5255"},"PeriodicalIF":9.6,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142756571","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Material Challenges Facing Scalable Dry-Processable Battery Electrodes 可扩展干法电池电极面临的材料挑战
IF 19.3 1区 化学
ACS Materials Letters Pub Date : 2024-10-31 DOI: 10.1021/acsenergylett.4c0169010.1021/acsenergylett.4c01690
Nag-Young Kim, Jung-Hui Kim, Heejin Koo, Jihye Oh, Jung-Hyun Pang, Kyu-Dong Kang, Seong-Seok Chae, Jisup Lim, Kwan Woo Nam* and Sang-Young Lee*, 
{"title":"Material Challenges Facing Scalable Dry-Processable Battery Electrodes","authors":"Nag-Young Kim,&nbsp;Jung-Hui Kim,&nbsp;Heejin Koo,&nbsp;Jihye Oh,&nbsp;Jung-Hyun Pang,&nbsp;Kyu-Dong Kang,&nbsp;Seong-Seok Chae,&nbsp;Jisup Lim,&nbsp;Kwan Woo Nam* and Sang-Young Lee*,&nbsp;","doi":"10.1021/acsenergylett.4c0169010.1021/acsenergylett.4c01690","DOIUrl":"https://doi.org/10.1021/acsenergylett.4c01690https://doi.org/10.1021/acsenergylett.4c01690","url":null,"abstract":"<p >Dry-processable electrode technology presents a promising avenue for advancing lithium-ion batteries (LIBs) by potentially reducing carbon emissions, lowering costs, and increasing the energy density. However, the commercialization of dry-processable electrodes cannot be achieved solely through the optimization of manufacturing processes or modifications of existing electrode components. Therefore, material innovation is urgently required for each of the core components of dry electrodes: binders, conductive agents, and current collectors. This Review explores recent advancements in these components, delving into their physicochemical roles and contributions. We identify critical performance factors and propose design strategies aimed at improving the functionality of electrode components and the overall performance of dry electrodes. This Review provides insights into the material innovations required to overcome current limitations and drive the sustainable advancement of LIB technology through dry electrode processes.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"9 11","pages":"5688–5703 5688–5703"},"PeriodicalIF":19.3,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142609286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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