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Development of noble metal-free electrocatalysts towards acidic water oxidation: From fundamental understanding to state-of-the-art catalysts 开发用于酸性水氧化的无贵金属电催化剂:从基本认识到最先进的催化剂
IF 42.9
eScience Pub Date : 2025-03-01 DOI: 10.1016/j.esci.2024.100295
Jing Ni , Zhaoping Shi , Yibo Wang , Jiahao Yang , Hongxiang Wu , Pengbo Wang , Meiling Xiao , Changpeng Liu , Wei Xing
{"title":"Development of noble metal-free electrocatalysts towards acidic water oxidation: From fundamental understanding to state-of-the-art catalysts","authors":"Jing Ni ,&nbsp;Zhaoping Shi ,&nbsp;Yibo Wang ,&nbsp;Jiahao Yang ,&nbsp;Hongxiang Wu ,&nbsp;Pengbo Wang ,&nbsp;Meiling Xiao ,&nbsp;Changpeng Liu ,&nbsp;Wei Xing","doi":"10.1016/j.esci.2024.100295","DOIUrl":"10.1016/j.esci.2024.100295","url":null,"abstract":"<div><div>The development of low-cost and efficient electrocatalysts for oxygen evolution reaction (OER) in acid electrolytes is critical to the widespread implementation of proton electrolyte membrane water electrolyzers (PEMWE) towards carbon neutralization. Noble metal Ir- and Ru-based materials are state-of-the-art catalysts but still suffer from prohibitive price and scarcity. In this context, a variety of noble metal-free catalysts have been developed to decrease the cost of PEMWE. In this review, we first summarize the activity expression mechanism and stability issues for non-precious metal catalysts, highlighting the origins of performance degradation and the possible mitigation strategies. Then, we systematically review several recently developed noble metal-free catalysts, focusing on the design rationale and the structure-performance relation. Finally, the development prospects of non-noble metal catalysts are prospected, with the potential challenges for practical applications presented.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 2","pages":"Article 100295"},"PeriodicalIF":42.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141696390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quenching-induced atom-stepped bimetallic sulfide heterointerface catalysts for industrial hydrogen generation 淬火诱导原子阶梯双金属硫化物异质界面工业制氢催化剂
IF 42.9
eScience Pub Date : 2025-03-01 DOI: 10.1016/j.esci.2024.100311
Hua Zhang , Nianpeng Li , Sanshuang Gao , Anran Chen , Qihang Qian , Qingquan Kong , Bao Yu Xia , Guangzhi Hu
{"title":"Quenching-induced atom-stepped bimetallic sulfide heterointerface catalysts for industrial hydrogen generation","authors":"Hua Zhang ,&nbsp;Nianpeng Li ,&nbsp;Sanshuang Gao ,&nbsp;Anran Chen ,&nbsp;Qihang Qian ,&nbsp;Qingquan Kong ,&nbsp;Bao Yu Xia ,&nbsp;Guangzhi Hu","doi":"10.1016/j.esci.2024.100311","DOIUrl":"10.1016/j.esci.2024.100311","url":null,"abstract":"<div><div>Developing non-noble metal hydrogen evolution reaction (HER) electrocatalysts with high activity and durability at ampere-level current densities is vital for emerging anion exchange membrane (AEM) water electrolysis, but it remains challenging. Here we present an atom-stepped nickel–cobalt bimetallic sulfide (AS-Ni<sub>3</sub>S<sub>2</sub>/Co<sub>3</sub>S<sub>4</sub>) heterostructure that exhibits superior HER performance, with ultra-low overpotentials of 28 and 195 ​mV at current densities of 10 and 2000 ​mA ​cm<sup>−2</sup>, respectively. Experimental analyses and theoretical calculations revealed that the work-function-induced interfacial built-in electric field drives electron transfer from Ni<sub>3</sub>S<sub>2</sub> to Co<sub>3</sub>S<sub>4</sub> via Ni–S–Co interfacial bridging, which effectively accelerates water activation and optimizes hydrogen adsorption and desorption. An AEM electrolyzer using an AS-Ni<sub>3</sub>S<sub>2</sub>/Co<sub>3</sub>S<sub>4</sub> heterostructure as the cathode required cell voltages of only 1.71 and 1.79 ​V to reach 1.0 and 2.0 ​A ​cm<sup>−2</sup>, respectively, and operated stably for 1200 ​h without activity degradation.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 2","pages":"Article 100311"},"PeriodicalIF":42.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143512456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cation-inspired polyhedral distortion boosting moisture/electrolyte stability of iron sulfate cathode for durable high-temperature sodium-ion storage 阳离子激发多面体畸变提高硫酸铁阴极的水分/电解质稳定性,用于持久高温钠离子储存
IF 42.9
eScience Pub Date : 2025-03-01 DOI: 10.1016/j.esci.2024.100313
Longfei Wen , Jiyu Zhang , Jian Zhang , Lingfei Zhao , Xin Wang , Sen Wang , Siyu Ma , Wenbin Li , Jun Luo , Junmin Ge , Weihua Chen
{"title":"Cation-inspired polyhedral distortion boosting moisture/electrolyte stability of iron sulfate cathode for durable high-temperature sodium-ion storage","authors":"Longfei Wen ,&nbsp;Jiyu Zhang ,&nbsp;Jian Zhang ,&nbsp;Lingfei Zhao ,&nbsp;Xin Wang ,&nbsp;Sen Wang ,&nbsp;Siyu Ma ,&nbsp;Wenbin Li ,&nbsp;Jun Luo ,&nbsp;Junmin Ge ,&nbsp;Weihua Chen","doi":"10.1016/j.esci.2024.100313","DOIUrl":"10.1016/j.esci.2024.100313","url":null,"abstract":"<div><div>Alluaudite-type iron-based sulfates are prospective positive-electrode active materials for sodium-ion batteries given their low-cost and high operation voltage, yet suffer from poor intrinsic ionic conductivity and (electro) chemical instability at high temperatures. Herein, a cation-modified Na<sub>2.466</sub>Fe<sub>1.724</sub>Mg<sub>0.043</sub>(SO<sub>4</sub>)<sub>3</sub> with micron-sized spherical structure was reported. The substitutive MgO<sub>6</sub> octahedron featured stronger covalent bonding interactions and enriched the ion transfer pathways within the crystals, facilitating the ionic kinetics in bulk. Using <em>in situ</em> mass spectrometry and quartz crystal microbalance techniques, Mg cations were demonstrated to lower the electron density around O atoms and surficial nucleophilicity of materials, which effectively suppressed their side reactions with H<sub>2</sub>O in air and active ester molecule in electrolyte. This interaction enables an inorganic-rich and uniform interphase to stabilize the cathode/electrolyte interface at high voltage (4.5 ​V vs. Na<sup>+</sup>/Na). The as-prepared cathode exhibits a high discharge capacity of 102.2 mAh g<sup>−1</sup> (voltage platform at 3.74 ​V), remarkable reaction reversibility (average Coulomb efficiency of 99.3 ​% over 300 cycles) at high loading (9.0−9.6 ​mg ​cm<sup>−2</sup>) and temperature (60 ​°C), as well as long-lasting cyclability (70.8 ​%, 5000 cycles). Its application was verified in assembled sodium-ion full cells with a hard carbon negative electrode, showing a long cycling lifetime over 190 cycles.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 2","pages":"Article 100313"},"PeriodicalIF":42.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143512455","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Delithiation-accelerating and self-healing strategies realizes high-capacity and high-rate black phosphorus anode in wide temperature range 加速衰减和自愈策略实现了宽温度范围内高容量、高速率黑磷阳极
IF 42.9
eScience Pub Date : 2025-03-01 DOI: 10.1016/j.esci.2024.100328
Shaojie Zhang , Yanhua Wan , Yu Cao , Yiming Zhang , Haochen Gong , Xu Liang , Baoshan Zhang , Xiaoyi Wang , Siyu Fang , Jiahong Wang , Wei Li , Jie Sun
{"title":"Delithiation-accelerating and self-healing strategies realizes high-capacity and high-rate black phosphorus anode in wide temperature range","authors":"Shaojie Zhang ,&nbsp;Yanhua Wan ,&nbsp;Yu Cao ,&nbsp;Yiming Zhang ,&nbsp;Haochen Gong ,&nbsp;Xu Liang ,&nbsp;Baoshan Zhang ,&nbsp;Xiaoyi Wang ,&nbsp;Siyu Fang ,&nbsp;Jiahong Wang ,&nbsp;Wei Li ,&nbsp;Jie Sun","doi":"10.1016/j.esci.2024.100328","DOIUrl":"10.1016/j.esci.2024.100328","url":null,"abstract":"<div><div>Black phosphorus (BP) anode with high capacity (2596 mAh g<sup>−1</sup>) and suitable lithiation potential (0.7 ​V vs. Li<sup>+</sup>/Li) is an ideal candidate for high-energy-density and high-safety lithium-ion batteries, however, the practical implementation is greatly limited by its slow reaction kinetics and huge volume expansion. Here, inspired by nature, liquid metal (LM) is explored as a self-heal agent, which can well stabilize the BP anode through buffering the volumetric expansion and re-activating “dead P and Li<sub>x</sub>P”. Moreover, LM also acts as a good catalyst, which can adjust Li ion concentration and reduce the activation energy of delithiation reaction, thus prolonging the cycling life. Therefore, the LM modified BP/graphite (G) composite delivers an excellent high-rate performance of 1123 mAh g<sup>−1</sup> ​at 4 ​C with 80.0 ​% capacity retention after 200 cycles, a superior wide-temperature performance of 1547.5 mAh g<sup>−1</sup> and 569.0 mAh g<sup>−1</sup> ​at 50 ​°C and −20 ​°C, respectively.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 2","pages":"Article 100328"},"PeriodicalIF":42.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143512458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Insights into plasmon-assisted chemical reactions: From fabrication to characterization 等离子体辅助化学反应的见解:从制造到表征
IF 42.9
eScience Pub Date : 2025-03-01 DOI: 10.1016/j.esci.2024.100312
Juan Xu , Xinwei Huang , Jing Peng , Shunxing Li , Jian-Feng Li
{"title":"Insights into plasmon-assisted chemical reactions: From fabrication to characterization","authors":"Juan Xu ,&nbsp;Xinwei Huang ,&nbsp;Jing Peng ,&nbsp;Shunxing Li ,&nbsp;Jian-Feng Li","doi":"10.1016/j.esci.2024.100312","DOIUrl":"10.1016/j.esci.2024.100312","url":null,"abstract":"<div><div>The integration of surface plasmons with catalysis has opened a new frontier in the field of chemical energy conversion, offering unprecedented opportunities for enhancing reaction activity and selectivity. This review delves into the optical properties of plasmonic materials, the intricate mechanisms of plasmon-assisted chemical reactions (PACRs), and the fabrication of plasmonic catalysts, highlighting the significance of the structure–performance relationship. The mechanisms of PACRs are summarized to understand their synergistic contributions to reactions. The review further examines modern experimental strategies for characterizing surface plasmon resonance properties, including scanning probe microscope, <em>in situ</em> spectroscopy, and ultrafast laser pump-probe techniques, which provide real-time, dynamic insights into molecular interactions and structural changes with high spatial and temporal resolution. We conclude by outlining the challenges and future prospects for PACRs, emphasizing the need for innovative strategies to fully exploit the potential of PACRs for sustainable energy conversion and environmental remediation.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 2","pages":"Article 100312"},"PeriodicalIF":42.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143512764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In situ formation of solid electrolyte interphase facilitates anode-free aqueous zinc battery 原位形成固体电解质界面有利于无阳极锌水电池的形成
IF 36.6
eScience Pub Date : 2025-02-27 DOI: 10.1016/j.esci.2025.100397
Mingming Wang , Jiale Ma , Yahan Meng , Peiyan Tong , Ruihao Luo , Dongyang Shen , Xinhua Zheng , Na Chen , Mingying Zhang , Li Song , Ziqi Zhang , Dongjun Li , Chengming Wang , Hao Cheng , Yingying Lu , Zhenyu Li , Wei Chen
{"title":"In situ formation of solid electrolyte interphase facilitates anode-free aqueous zinc battery","authors":"Mingming Wang ,&nbsp;Jiale Ma ,&nbsp;Yahan Meng ,&nbsp;Peiyan Tong ,&nbsp;Ruihao Luo ,&nbsp;Dongyang Shen ,&nbsp;Xinhua Zheng ,&nbsp;Na Chen ,&nbsp;Mingying Zhang ,&nbsp;Li Song ,&nbsp;Ziqi Zhang ,&nbsp;Dongjun Li ,&nbsp;Chengming Wang ,&nbsp;Hao Cheng ,&nbsp;Yingying Lu ,&nbsp;Zhenyu Li ,&nbsp;Wei Chen","doi":"10.1016/j.esci.2025.100397","DOIUrl":"10.1016/j.esci.2025.100397","url":null,"abstract":"<div><div>Aqueous Zn batteries (AZBs) suffer from poor Zn anode reversibility. To address this issue, excess Zn foil is often utilized to prolong the cycle life, but it reduces the actual battery energy density. In this work, we use methylurea molecules to <em>in situ</em> form a solid electrolyte interphase (SEI) layer on the Zn anode, achieving reversible Zn plating/stripping with a maximal Coulombic efficiency (CE) of 99.99% and extending the anode's lifespan to 4500 cycles. Leveraging this highly reversible chemistry, we fabricate and test various anode-free Zn batteries. An anode-free Zn–AC cell exhibits stable cycling for exceeding 5000 cycles, an anode-free Zn–I<sub>2</sub> battery with high specific capacities achieves a stable cycle life of 1000 cycles, and an anode-free Zn–Br<sub>2</sub> battery with a high areal capacity of 4 mAh cm<sup>−2</sup> demonstrates a stable cycle life of 450 cycles. Characterization of the SEI using TEM and DFT calculations reveal the formation mechanisms of the ZnCO<sub>3</sub>- and ZnS-rich amorphous SEI layer. These results indicate that the design of desirable SEI compositions could pave the way for developing low-cost, high-performance anode-free AZBs.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 5","pages":"Article 100397"},"PeriodicalIF":36.6,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144890864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Precise Pt-skin manipulation of strain and ligand effects for oxygen reduction 精确的Pt-skin操作应变和配体对氧还原的影响
IF 36.6
eScience Pub Date : 2025-02-26 DOI: 10.1016/j.esci.2025.100396
Yizhe Chen , Zeyu Jin , Jialin Sun , Shengli Chen , Jiujun Zhang , Shiming Zhang
{"title":"Precise Pt-skin manipulation of strain and ligand effects for oxygen reduction","authors":"Yizhe Chen ,&nbsp;Zeyu Jin ,&nbsp;Jialin Sun ,&nbsp;Shengli Chen ,&nbsp;Jiujun Zhang ,&nbsp;Shiming Zhang","doi":"10.1016/j.esci.2025.100396","DOIUrl":"10.1016/j.esci.2025.100396","url":null,"abstract":"<div><div>Nanostructured platinum (Pt)-skin alloys are promising electrocatalysts for oxygen reduction reaction (ORR) due to their tunable strain and ligand effects which essentially regulate the surface electronic structures. In addition to the chemical nature of alloying elements, the layer numbers of Pt-skin crucially determine the strain and ligand effects. So far, the effects of Pt-skin layer numbers have been generally investigated through vapor deposition on bulk metals and alloys with extended surfaces, while the precise Pt-skin control of nanostructured alloy electrocatalysts in wet chemical synthesis remains fairly challenging. Herein, we develop a Pt-skin engineering strategy to construct a family of dendrite-like porous PtCu@Pt<sub>nL</sub> nanospheres (NSs) with precisely controlled Pt-skin layers by adjusting the reducibility of Cu ions. Density functional theory calculations and X-ray photoelectron spectroscopy-based valence band spectra results indicate a concave parabolic trend of <em>d</em>-band center with varying the Pt-skin layer from 0 to 5, jointly resulting from the skin layer-dependent electron transfer numbers and compression strain. The two-layer Pt-skin alloy, PtCu@Pt<sub>2L</sub> NS, is identified to have the lowest <em>d</em>-band center and therefore locates at the summit of ORR activity volcano. Accordingly, this carbon supported PtCu@Pt<sub>2L</sub> NSs catalyst achieves excellent ORR electrocatalysis in H<sub>2</sub>–O<sub>2</sub> proton exchange membrane fuel cells.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 5","pages":"Article 100396"},"PeriodicalIF":36.6,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144887427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Strategies to maximize the oxygen evolution reaction in layered double hydroxides by electronic defect engineering 利用电子缺陷工程最大化层状双氧水中析氧反应的策略
IF 36.6
eScience Pub Date : 2025-02-15 DOI: 10.1016/j.esci.2025.100380
Heyu Zhou , Jinjin Ban , Yonglong Shen , Yilong Ning , Shanshan Zhang , Fanfan Liu , Guoqin Cao , GuoSheng Shao , S. Ravi P. Silva , Junhua Hu
{"title":"Strategies to maximize the oxygen evolution reaction in layered double hydroxides by electronic defect engineering","authors":"Heyu Zhou ,&nbsp;Jinjin Ban ,&nbsp;Yonglong Shen ,&nbsp;Yilong Ning ,&nbsp;Shanshan Zhang ,&nbsp;Fanfan Liu ,&nbsp;Guoqin Cao ,&nbsp;GuoSheng Shao ,&nbsp;S. Ravi P. Silva ,&nbsp;Junhua Hu","doi":"10.1016/j.esci.2025.100380","DOIUrl":"10.1016/j.esci.2025.100380","url":null,"abstract":"<div><div>Layered double hydroxides (LDHs) have emerged as highly promising oxygen evolution reaction (OER) catalysts because of their naturally forming two-dimensional (2D) layer structure and intrinsic oxygen vacancies. Numerous efforts to develop synthesis methods as well as modify the structure and composition of LDHs have helped to improve their electrocatalytic performance. Recent strategies to optimize LDHs have gone beyond regulating oxygen vacancies <em>via</em> metal modifications, with innovative ideas of atomic loading and anion-based lattice modification being proposed. In this review, a fundamental understanding of the structural design and its close relationship with the OER mechanism in alkaline media are discussed. Based on the inherent defects and structural characterization of LDHs at an atomic scale, novel progress in promoting OER development activity is summarized, including heteroatomic doping, intercalation, composite construction and single-atom loading. Furthermore, the concept of heteroatoms as electronic defects is emphasized, with the regulation mechanism behind these elucidated by summarizing recent advances in LDHs as highly active OER catalysts. Finally, key challenges to further optimize performance in LDHs catalyst by overcoming the bottleneck of the scaling relationship, expansion of active components and preparation of functionalization, shed light on future research and development directions.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 5","pages":"Article 100380"},"PeriodicalIF":36.6,"publicationDate":"2025-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144887358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Three-dimensional architecture design enables hexaazatriphenylene-based polymers as high-voltage, long-lifespan cathodes for aqueous zinc–organic batteries 三维结构设计使六叠三苯基聚合物成为水锌有机电池的高压、长寿命阴极
IF 42.9
eScience Pub Date : 2025-02-13 DOI: 10.1016/j.esci.2025.100379
Lei Li , Siqi Liu , Jie Luo , Xunan Hou , Junhua Kong , Qichong Zhang , Wenyong Lai , Chaobin He
{"title":"Three-dimensional architecture design enables hexaazatriphenylene-based polymers as high-voltage, long-lifespan cathodes for aqueous zinc–organic batteries","authors":"Lei Li ,&nbsp;Siqi Liu ,&nbsp;Jie Luo ,&nbsp;Xunan Hou ,&nbsp;Junhua Kong ,&nbsp;Qichong Zhang ,&nbsp;Wenyong Lai ,&nbsp;Chaobin He","doi":"10.1016/j.esci.2025.100379","DOIUrl":"10.1016/j.esci.2025.100379","url":null,"abstract":"<div><div>Affordable, easily recycled organics with electroactive centers have drawn attention in the pursuit of high-performance aqueous zinc organic batteries (AZOBs). However, intrinsic barriers such as high solubility, undesirable potential, and inferior conductivity hinder their further development. To this end, we have designed an advanced cathode material for AZOBs, comprising an n-type polymer with a three-dimensional (3D) building block (HAT-TP) formed by polymerizing 2,3,6,7,10,11-hexacyano-1,4,5,8,9,12-hexazepenanthrene (HAT-CN) and 3D 2,3,6,7,14,15-hexaaminotriptycene (THA-NH<sub>2</sub>). The introduction of a 3D architecture not only bolsters the insolubility but also exposes redox-active sites for cation coordination, while the material's extended conjugated system promotes electronic delocalization to increase the redox potential and conductivity. As a result, a HAT-TP battery exhibits a notable initial discharge voltage of 1.32 ​V at 0.1 ​A ​g<sup>−1</sup>, followed by a midpoint voltage of 1.17 ​V. Remarkably, an ultrastable capacity retention ratio of up to 93.4% is achieved, even after 40,000 cycles at 5 ​A ​g<sup>−1</sup>. Theoretical simulations reveal that the elevated discharge potential results from the strong electronic delocalization of HAT-TP, which improves the affinity with cations. <em>Ex situ</em> characterizations and theoretical calculations verify that the reversible Zn<sup>2+</sup>/H<sup>+</sup> co-storage mechanism involves only electroactive C=N sites and the best possible coordination paths between them.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 4","pages":"Article 100379"},"PeriodicalIF":42.9,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144308024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accelerated commercial battery electrode-level degradation diagnosis via only 11-point charging segments 仅通过11点充电段加速商用电池电极级退化诊断
IF 42.9
eScience Pub Date : 2025-01-01 DOI: 10.1016/j.esci.2024.100325
Yu Tian , Cheng Lin , Xiangfeng Meng , Xiao Yu , Hailong Li , Rui Xiong
{"title":"Accelerated commercial battery electrode-level degradation diagnosis via only 11-point charging segments","authors":"Yu Tian ,&nbsp;Cheng Lin ,&nbsp;Xiangfeng Meng ,&nbsp;Xiao Yu ,&nbsp;Hailong Li ,&nbsp;Rui Xiong","doi":"10.1016/j.esci.2024.100325","DOIUrl":"10.1016/j.esci.2024.100325","url":null,"abstract":"<div><div>Accelerated and accurate degradation diagnosis is imperative for the management and reutilization of commercial lithium-ion batteries in the upcoming TWh era. Different from traditional methods, this work proposes a hybrid framework for rapid and accurate degradation diagnosis at the electrode level combining both deep learning, which is used to rapidly and robustly predict polarization-free incremental capacity analysis (ICA) curves in minutes, and physical modeling, which is used to quantitatively reveal the electrode-level degradation modes by decoupling them from the ICA curves. Only measured charging current and voltage signals are used. Results demonstrates that 11 points collected at any starting state-of-charge (SOC) in a minimum of 2.5 ​minutes are sufficient to obtain reliable ICA curves with a mean root mean square error (RMSE) of 0.2774 Ah/V. Accordingly, battery status can be accurately elevated based on their degradation at both macro and electrode levels. Through transfer learning, such a method can also be adapted to different battery chemistries, indicating the enticing potential for wide applications.</div></div>","PeriodicalId":100489,"journal":{"name":"eScience","volume":"5 1","pages":"Article 100325"},"PeriodicalIF":42.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143145136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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