Journal of Power Sources最新文献_第7页

Role of cyclic carbonates in enhancing UV-crosslinked PEO-PEC electrolytes for room-temperature lithium metal batteries 环碳酸盐在增强室温锂金属电池紫外光交联PEO-PEC电解质中的作用

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-05-15 Epub Date: 2026-03-05 DOI: 10.1016/j.jpowsour.2026.239777

Rijul Bajaj , Hamideh Darjazi , Matteo Gastaldi , Leonardo Balducci , Giuseppe Antonio Elia , Claudio Gerbaldi

{"title":"Role of cyclic carbonates in enhancing UV-crosslinked PEO-PEC electrolytes for room-temperature lithium metal batteries","authors":"Rijul Bajaj , Hamideh Darjazi , Matteo Gastaldi , Leonardo Balducci , Giuseppe Antonio Elia , Claudio Gerbaldi","doi":"10.1016/j.jpowsour.2026.239777","DOIUrl":"10.1016/j.jpowsour.2026.239777","url":null,"abstract":"<div><div>Future Li-based batteries require electrolytes with high safety, thermal stability, and performance, yet poly(ethylene oxide)-based solid polymer electrolytes (SPEs) remain limited by crystallinity-induced low ionic conductivity and stability at room temperature (RT). In this study, a UV-crosslinked poly(ethylene oxide)-poly(ethylene carbonate) (PEO-PEC) salt-in-polymer matrix is developed through dry melt compounding by a mini twin-screw extruder, followed by hot-pressing and UV-induced photopolymerization(crosslinking). The solvent-free manufacturing is designed to mitigate crystallinity and improve mechanical robustness. Resulting SPEs are further modified with cyclic carbonate plasticizers, namely ethylene carbonate (EC), propylene carbonate (PC), and 1,2-butylene carbonate (BC), to enhance ionic mobility and electrochemical stability, thereby addressing the challenge of fabricating next-generation lithium metal batteries (LMBs) with sufficient ion transport at RT. The influence of these additives, individually and in combination, is investigated through a comprehensive set of electrochemical, thermal, and mechanical characterizations. BC-containing SPEs exhibit reduced glass transition temperatures and stable compatibility with lithium metal for over 2300 h at a capacity of 0.2 mAh cm<sup>−2</sup>. In addition, laboratory-scale solid-state Li metal cells with LFP show remarkable performance, delivering almost full practical specific capacity even at RT, despite the presence of immobilized carbonate plasticizers within the crosslinked polymer matrix. This work presents an effective strategy to tailor SPEs for ambient temperature operation through rational additive design, offering insights into the structure-property relationships critical for practical LMB development.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"674 ","pages":"Article 239777"},"PeriodicalIF":7.9,"publicationDate":"2026-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147387409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of Sb-Sb2O3 liquid-liquid phase separation and buoyancy on mass and heat transfer of liquid antimony anode direct carbon fuel cells Sb-Sb2O3液液相分离及浮力对液锑阳极直接碳燃料电池传质传热的影响

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-11 DOI: 10.1016/j.jpowsour.2026.239571

Fangzhe Zhou , Sheng Guang , Yidong Jiang , Yixiang Shi , Alexander Gelfgat , Jiujun Zhang

{"title":"Effect of Sb-Sb2O3 liquid-liquid phase separation and buoyancy on mass and heat transfer of liquid antimony anode direct carbon fuel cells","authors":"Fangzhe Zhou , Sheng Guang , Yidong Jiang , Yixiang Shi , Alexander Gelfgat , Jiujun Zhang","doi":"10.1016/j.jpowsour.2026.239571","DOIUrl":"10.1016/j.jpowsour.2026.239571","url":null,"abstract":"<div><div>Liquid antimony anode direct carbon fuel cell (LAA-DCFC) is a clean and efficient coal-based power generation technology, but the convection mechanism of the Sb-Sb<sub>2</sub>O<sub>3</sub> liquid-liquid phase in the anode are still urgent to be studied. In this work, a multiphysics coupling model considering interfacial tension of Sb-Sb<sub>2</sub>O<sub>3</sub> two-phase flow in the anode of an LAA-DCFC is proposed. The model includes equations for two-phase fluid flow of Sb and Sb<sub>2</sub>O<sub>3</sub>, electric field and current, heat transfer, with taking into account the Joule heating and the heat released or consumed by chemical reactions, and production of Sb and Sb<sub>2</sub>O<sub>3</sub> by reduction and oxidation reactions, respectively. Considering the phase separation and the interfacial tension, the overpotential calculated by the model is in a quasi-periodic oscillatory state similar to the experimental measurement results. The oscillations are caused by light plumes of Sb<sub>2</sub>O<sub>3</sub> forming at the electrolyte-anode interface, which rise to the upper boundary where they are converted back into Sb by the reduction reaction. When considering changes in the total system volume, the calculated oscillation period is closer to the experimental results. Contribution of the heat sources and sinks to the whole heat and mass transfer process is also discussed.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239571"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Fullerenes and their functional composites as emerging electrode materials for metal-ion batteries: A comprehensive review 富勒烯及其功能复合材料作为新兴的金属离子电池电极材料综述

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-11 DOI: 10.1016/j.jpowsour.2026.239603

Soumya Ranjan Mishra , Shalu Rawat , Vishwajit Chavda , Rohit Rangnath Nikam , Alireza Ranjbari , Philippe M. Heynderickx , K. Pramoda , B.M. Nagaraja

{"title":"Fullerenes and their functional composites as emerging electrode materials for metal-ion batteries: A comprehensive review","authors":"Soumya Ranjan Mishra , Shalu Rawat , Vishwajit Chavda , Rohit Rangnath Nikam , Alireza Ranjbari , Philippe M. Heynderickx , K. Pramoda , B.M. Nagaraja","doi":"10.1016/j.jpowsour.2026.239603","DOIUrl":"10.1016/j.jpowsour.2026.239603","url":null,"abstract":"<div><div>Fullerene and related functional composite-based electrode materials have garnered much attention lately due to the growing demand for resources and environmental concerns. However, the electrochemical performance of these electrode materials requires additional improvement to manufacture highly efficient metal-ion batteries. This review analyzes the working principle and the properties of fullerenes in accordance with batteries. It summarizes the design strategies of fullerenes that enhance the performance of these metal-ion batteries. Furthermore, the various roles, such as anodes, cathodes, and electrolytes, of fullerene-based composites are discussed, along with their applications in different metal-ion batteries. The limitations and challenges associated with fullerene and its composites as electrodes in metal-ion batteries, as well as strategies for overcoming them in future applications, are addressed. This review provides direction and promotes research into the applications of fullerenes in energy storage.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239603"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Green and efficient method for recycling and regenerating spent ternary lithium-ion batteries 一种绿色高效的废旧三元锂离子电池回收再生方法

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-12 DOI: 10.1016/j.jpowsour.2026.239556

Yang An , Yinyi Gao , Chao Li , Kai Zhu , Hongbin Wu , Hao Sun , Pengwei Li , Dianxue Cao

{"title":"Green and efficient method for recycling and regenerating spent ternary lithium-ion batteries","authors":"Yang An , Yinyi Gao , Chao Li , Kai Zhu , Hongbin Wu , Hao Sun , Pengwei Li , Dianxue Cao","doi":"10.1016/j.jpowsour.2026.239556","DOIUrl":"10.1016/j.jpowsour.2026.239556","url":null,"abstract":"<div><div>The harmful emissions and waste of resources brought on by discarded LiNi<sub>1/3</sub>Co<sub>1/3</sub>Mn<sub>1/3</sub>O<sub>2</sub> (NCM111) lithium-ion batteries (LIBs) are developing along with the LIBs battery industry. This study presents a direct recycling process that preserves the high added value and composite structure of cathode materials, enabling the recycled materials to achieve commercial-grade quality. By dissolving the aluminum foil in discarded NCM111 cathode electrode foils using sodium hydroxide, followed by hydrothermal treatment and annealing, the discharge capacity of the recycled material can be restored. The hydrothermal regeneration method is employed to recover spent NCM111 cathode materials. The best processing technique for direct hydrothermal recovery ultimately is identified by evaluating different hydrothermal treatment conditions, such as hydrothermal temperature, hydrothermal time, and lithium replenishment levels. The recovered material exhibits a specific discharge capacity of 158.78 mAh/g at a 0.1C rate and 136.61 mAh/g at a 0.5C rate. After 200 cycles at 0.5C, the specific discharge capacity at 0.5C remains at 131.64 mAh/g, with a capacity retention rate of 96.36%. This method not only achieves direct regeneration of ternary materials effectively but also offers a novel approach for developing future eco-friendly direct regeneration techniques.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239556"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Experimental and numerical modeling study of iron-doped barium titanate (Fe-BaTiO3) perovskite nanostructures for supercapacitor applications 超级电容器用铁掺杂钛酸钡（Fe-BaTiO3）钙钛矿纳米结构的实验与数值模拟研究

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-10 DOI: 10.1016/j.jpowsour.2026.239449

Nadjah Sobti , Samiha Chaguetmi , Samir Labiod , Khouloud Jlassi , Sophie Nowak , Slimane Achour , Souad Ammar

{"title":"Experimental and numerical modeling study of iron-doped barium titanate (Fe-BaTiO3) perovskite nanostructures for supercapacitor applications","authors":"Nadjah Sobti , Samiha Chaguetmi , Samir Labiod , Khouloud Jlassi , Sophie Nowak , Slimane Achour , Souad Ammar","doi":"10.1016/j.jpowsour.2026.239449","DOIUrl":"10.1016/j.jpowsour.2026.239449","url":null,"abstract":"<div><div>This study investigates the electrochemical performance of Fe<sup>3+</sup>-doped barium titanate BaTiO<sub>3</sub> (BT) perovskite nanocrystals deposited on TiO<sub>2</sub> nanotubes (TNTs) for supercapacitor applications. The composites were synthesized via a rapid microwave-assisted hydrothermal method and comprehensively characterized. X-ray diffraction confirmed successful doping, evidenced by a net shift in the diffraction peaks of the tetragonal BT phase. Raman spectroscopy indicated Fe<sup>3+</sup>-induced variation in Ti–O bond lengths and suggested the formation of charge-compensating oxygen vacancies. Scanning electron microscopy revealed a uniform coverage of the TNTs with BT particles ranging from 50 to 200 nm in size. Cyclic voltammetry (CV) demonstrated superior supercapacitive performance for the Fe-doped BT/TNT composites compared to pristine TNTs. The composite with the lowest nominal Fe<sup>3+</sup> concentration exhibited the highest specific capacitance (225 F g<sup>−1</sup> at 0.05 A g<sup>−1</sup>) and areal capacitance (144 mF cm<sup>−2</sup> at 100 mV s<sup>−1</sup>), along with excellent rate capability and remarkable cycling stability, retaining approximately 88% of its initial capacitance after 3000 cycles at 0.05 A g<sup>−1</sup>. The enhanced performance is attributed to improved hydrophilicity, oxygen vacancy generation, and the nanostructured morphology. Furthermore, kinetic analysis combining modeled and experimental CV data provides a robust framework for understanding the charge storage mechanisms in this engineered composite electrode.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239449"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146187044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Lithiated polyimide-reinforced polyimide nanofiber separator for high-performance LiCoO2 batteries 高性能LiCoO2电池用锂化聚酰亚胺增强聚酰亚胺纳米纤维分离器

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-13 DOI: 10.1016/j.jpowsour.2026.239538

Haitao Huang , Zihao Huang , Jiashu Lin , Huan Zhang , Pengyang Li , Bang Lan , Siwei Liu , Zhiyong Yang , Yi Zhang

{"title":"Lithiated polyimide-reinforced polyimide nanofiber separator for high-performance LiCoO2 batteries","authors":"Haitao Huang , Zihao Huang , Jiashu Lin , Huan Zhang , Pengyang Li , Bang Lan , Siwei Liu , Zhiyong Yang , Yi Zhang","doi":"10.1016/j.jpowsour.2026.239538","DOIUrl":"10.1016/j.jpowsour.2026.239538","url":null,"abstract":"<div><div>To address the critical challenges of mechanical robustness, lithium-ion transport efficiency, and cycle life in lithium-ion battery separators, we developed a facile surface modification strategy to prepare a high-performance separator (denoted PI-0.5) by poly(amic acid) lithium salt adhesive coating. The PI-0.5 separator exhibits exceptional thermomechanical stability (up to 200 °C), intrinsic flame-retardancy, and a tensile strength 3.5 times higher than that of the pristine PI separators. It achieved an ionic conductivity of 1.05 mS cm<sup>−1</sup> and a high Li <sup>+</sup> transference number of 0.553, which are ∼2.9 and 1.3 times higher than that of the pristine separator, respectively, alongside extended anodic stability up to 4.6 V (that of the pristine PI is 4.28 V). In LiCoO<sub>2</sub>/PI-0.5/Li cells, the PI-0.5 separator enabled excellent rate capability (151.43 mAh·g<sup>−1</sup> at 5 C) and outstanding cycling stability, with capacity retentions of 141.91 mAh·g<sup>−1</sup> at 2 C after 100 cycles. Symmetric Li/PI-0.5/Li cells further demonstrate stable plating/stripping over 360 cycles with minimal polarization decay. XPS analysis revealed that the PI-0.5 separator suppresses Li<sub>2</sub>CO<sub>3</sub> formation in the solid electrolyte interphase (SEI), inhibiting lithium dendrite growth and improving interfacial stability. This work presents a scalable approach to fabricating multifunctional separators, providing a promising route toward next-generation lithium-ion batteries.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239538"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Boosting rate performance of Zn battery to an ultrahigh level via a dual-nanoarray electrode configuration: Zn nanosheet array anode and polyaniline nanorod array cathode 通过双纳米阵列电极结构：锌纳米片阵列阳极和聚苯胺纳米棒阵列阴极，将锌电池的倍率性能提高到超高水平

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-10 DOI: 10.1016/j.jpowsour.2026.239578

Wenjing Xia , Jiexin Wen , Qingting Liu , Shengfei Hu , Rong Zhang , Gang Xiao , Xudong Fu

{"title":"Boosting rate performance of Zn battery to an ultrahigh level via a dual-nanoarray electrode configuration: Zn nanosheet array anode and polyaniline nanorod array cathode","authors":"Wenjing Xia , Jiexin Wen , Qingting Liu , Shengfei Hu , Rong Zhang , Gang Xiao , Xudong Fu","doi":"10.1016/j.jpowsour.2026.239578","DOIUrl":"10.1016/j.jpowsour.2026.239578","url":null,"abstract":"<div><div>Aqueous Zn battery has great application prospects for grid-scale energy storage because of its advantages of excellent safety, low expense, and the abundant availability of Zn resources. Rate performance is an essential indicator for the practical application of Zn battery. There are two aspects to achieve excellent rate performance: (1) selecting electrode materials with high electronic conductivity, (2) constructing electrodes with ordered structure. Because the two aspects can strengthen ion/electron transport efficiency and enhance electrochemical reaction area in Zn battery, resulting in excellent rate performance. In this work, Zn nanosheet arrays and polyaniline nanorod arrays with high electronic conductivity were employed as anode and cathode of Zn battery with a dual-nanoarray electrode structure, respectively. The Zn battery delivers excellent discharge specific capacity of 290.5 mAh g<sup>−1</sup> (1 A g<sup>−1</sup>) and ultrahigh rate performance. From 1 A g<sup>−1</sup> to 10 and 50 A g<sup>−1</sup>, the retained capacity percentages of the battery attain 83.4% and 65.9%, respectively. Both values exceed the corresponding values of the Zn batteries with a laminated Zn anode (73.4% and 53.4%) or a Zn sheet anode (69.1% and 17.1%). The study provides a valuable reference for the fabrication of batteries with ultrahigh rate performance.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239578"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Designing automotive battery packs: sensitivity, case studies and insights using BatPaC 设计汽车电池组：灵敏度，案例研究和使用BatPaC的见解

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-13 DOI: 10.1016/j.jpowsour.2026.239491

Shabbir Ahmed, Kevin W. Knehr, Mohammed B. Effat, Joseph J. Kubal, Zoushuang Li

{"title":"Designing automotive battery packs: sensitivity, case studies and insights using BatPaC","authors":"Shabbir Ahmed, Kevin W. Knehr, Mohammed B. Effat, Joseph J. Kubal, Zoushuang Li","doi":"10.1016/j.jpowsour.2026.239491","DOIUrl":"10.1016/j.jpowsour.2026.239491","url":null,"abstract":"<div><div>Automotive lithium-ion battery packs are constrained by weight, volume, cost, safety, cycle-life, and fast-charge capability specifications. This paper quantifies the effect of key parameters that drive the performance and cost of automotive batteries. The Battery Performance and Cost (BatPaC) 5.2 model was used to study the effect on packs with different cathode active materials (CAM) [NMC811, NMC9055, NCA, LMR, LFP and LMFP] and two anode active materials (AAM) [graphite and graphite-silicon]. A sensitivity study shows increasing the cell voltage by 10% reduces the pack cost by 6–8% for the NMC811 and LFP packs. An increase of 1 $∙kg<sup>−1</sup> in the price of CAM leads to 1.6 and 2.39 $∙kWh<sup>−1</sup> increase in the NMC811-G and LFP pack costs, respectively. A 1 $∙kg<sup>−1</sup> increase in the price of LiOH.H<sub>2</sub>O and Ni increases the NMC811-G pack by 0.68 and 0.72 $∙kWh<sup>−1</sup>, respectively. Lithium demand (kg∙kWh<sup>−1</sup>) for NMC811-Graphite packs is slightly higher than a comparable LFP-Graphite pack, even though LFP-G has a lower specific energy. The paper shows that a PHEV battery costs more on a per kWh basis. The paper closes by exploring a combination of material selection and design parameters that can lead to a ∼100 $∙kWh<sup>−1</sup> NMC-G pack.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239491"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synergistic interface engineering of stable zinc anode and anti-shuttle separator for high-performance zinc-based dual-ion batteries 高性能锌基双离子电池稳定锌阳极与防穿梭分离器协同界面工程

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-13 DOI: 10.1016/j.jpowsour.2026.239481

Haitao Zhou , Yafei Shi , Haiyun Zhou , Yihong Deng , Jie Gu , Yang Yang , Yong Zhu , Hongquan Gao , Jian-Chun Wu , Libo Wang , Xiangdong Huo

{"title":"Synergistic interface engineering of stable zinc anode and anti-shuttle separator for high-performance zinc-based dual-ion batteries","authors":"Haitao Zhou , Yafei Shi , Haiyun Zhou , Yihong Deng , Jie Gu , Yang Yang , Yong Zhu , Hongquan Gao , Jian-Chun Wu , Libo Wang , Xiangdong Huo","doi":"10.1016/j.jpowsour.2026.239481","DOIUrl":"10.1016/j.jpowsour.2026.239481","url":null,"abstract":"<div><div>Zinc-ion dual ion batteries utilizing zinc powder dry electrodes present significant potential for large-scale energy storage due to their high safety, low cost, and abundant resources. However, the industrialization of this battery configuration is severely hindered by dendrite growth on the zinc powder anode, corrosion side reactions, and the dissolution and shuttling of cathode active materials. To tackle these challenges, this study proposes a systematic solution that includes anode modification and separator functionalization. Initially, zinc powder is treated with polyphosphoric acid (PPA) to create a uniform, dense protective layer of zinc phosphate (Zn<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub>). This treatment effectively mitigates side reactions and dendrite growth on the zinc anode, thereby significantly enhancing its electrochemical stability. Additionally, to counteract the shuttling of dissolved cathode ions (e.g., Mn<sup>2+</sup>, Br<sup>−</sup>), a “pre-embedded zinc salt separator with a dense polyphenylene sulfide layer in the middle” was developed. This separator not only demonstrates excellent ion-blocking properties but also enhances wettability in high-concentration electrolytes. Experimental results indicate that the modified Zn||LiMn<sub>2</sub>O<sub>4</sub> pouch battery achieves cycling beyond 200 cycles at a capacity of 2000 mAh. The Zn-Br<sub>2</sub> battery maintains 98% capacity retention after 250 cycles while exhibiting low self-discharge rates. This study offers a comprehensive strategy for the development of high-performance aqueous zinc-based batteries, encompassing both anode protection and separator design, and holds considerable promise for industrial application.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239481"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146187048","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Boosting PEM fuel cell cathode performance: The effect of mixing carbon supports on morphology and stability 提高PEM燃料电池阴极性能：混合碳载体对形态和稳定性的影响

IF 7.9 2区工程技术

Journal of Power Sources Pub Date : 2026-04-15 Epub Date: 2026-02-14 DOI: 10.1016/j.jpowsour.2026.239493

Steffen Laumen , Thomas Burger , Patrick Bretzler , Tilman Jurzinsky , Sebastian Ott , Peter Strasser

{"title":"Boosting PEM fuel cell cathode performance: The effect of mixing carbon supports on morphology and stability","authors":"Steffen Laumen , Thomas Burger , Patrick Bretzler , Tilman Jurzinsky , Sebastian Ott , Peter Strasser","doi":"10.1016/j.jpowsour.2026.239493","DOIUrl":"10.1016/j.jpowsour.2026.239493","url":null,"abstract":"<div><div>Carbon catalyst supports significantly impact on the performance and durability of proton exchange membrane fuel cells. Different types of carbon support materials show distinct favorable or detrimental characteristics. In this study, cathodes with platinum nanoparticles deposited on physical mixtures of distinct carbon materials, each with different properties, were prepared, tested, and compared to Pt/C cathodes prepared using each individual carbon support material. The performance of the membrane electrode assemblies (12 cm<sup>2</sup> active area) was tested under comparable conditions in single-cell setups using the carbon support accelerated stress test proposed by the U.S. Department of Energy. Physiochemical changes in cathode morphologies and thicknesses were analyzed before and after testing. Our findings demonstrate that by physically combining carbon supports with different properties, a significant increase in morphological stability and layer integrity can be achieved. Moreover, this mixed carbon support approach resulted in a reduction of cathode layer degradation effects such as mass transport limitations and layer collapse during accelerated stress tests.</div><div>A synergistic effect in the physical mixture of two different carbon types is discussed. We hypothesize that if one type of carbon shows severe degradation under the tested conditions, the other type can compensate and thereby mitigate performance loss.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"671 ","pages":"Article 239493"},"PeriodicalIF":7.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0