Joule最新文献_第7页

A low-cost, fluorine-free electrolyte for improved sodium batteries 用于改进钠电池的低成本、无氟电解质

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102045

Evan Summerwill Flitz , Nicholas Ryan Singstock , Seoung-Bum Son , Cooper Tezak , Marcos Lucero , Xiaolin Li , Charles Musgrave , Chunmei Ban

{"title":"A low-cost, fluorine-free electrolyte for improved sodium batteries","authors":"Evan Summerwill Flitz , Nicholas Ryan Singstock , Seoung-Bum Son , Cooper Tezak , Marcos Lucero , Xiaolin Li , Charles Musgrave , Chunmei Ban","doi":"10.1016/j.joule.2025.102045","DOIUrl":"10.1016/j.joule.2025.102045","url":null,"abstract":"<div><div><span><span>Sodium batteries are an attractive alternative to lithium-ion technologies due to sodium’s lower cost and natural abundance—over 1,000 times greater than lithium, comprising approximately 2.4% of the Earth’s crust. However, most current electrolytes rely on fluorine-containing components, which raise economic and environmental concerns. This study explores fluorine-free, borate-based electrolytes that offer improved cycling stability and significant cost and sustainability benefits. We demonstrate stable </span>sodium<span><span> metal stripping and plating on aluminum foil, enabling anode-free cell configurations with over 50% capacity retention after 700 cycles. Spectroscopic and </span>electrochemical analyses<span> reveal the effects of solvents and salt composition on </span></span></span>solvation<span><span>, ionic conductivity, and </span>oxidative stability<span>. In full-cell configurations, the fluorine-free electrolyte maintains more than 98% capacity retention after 400 cycles. These findings represent a critical step toward the development of cost-effective, environmentally friendly, and high-performance sodium battery systems suitable for future electrification.</span></span></div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102045"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144578521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 radiation resilience of wide-band-gap perovskite solar cells for space applications via A-site cation stabilization with PDAI2 利用PDAI2稳定a位阳离子增强空间应用宽带隙钙钛矿太阳能电池的辐射弹性

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102043

Hongjae Shim , Seongrok Seo , Charlie Chandler , Matthew K. Sharpe , Callum D. McAleese , Jihoo Lim , Beom-Soo Kim , Sajib Roy , Imalka Jayawardena , S. Ravi P. Silva , Mark A. Baker , Jan Seidel , Martin A. Green , Henry J. Snaith , Dohyung Kim , Jongsung Park , Jae Sung Yun

{"title":"Enhancing radiation resilience of wide-band-gap perovskite solar cells for space applications via A-site cation stabilization with PDAI2","authors":"Hongjae Shim , Seongrok Seo , Charlie Chandler , Matthew K. Sharpe , Callum D. McAleese , Jihoo Lim , Beom-Soo Kim , Sajib Roy , Imalka Jayawardena , S. Ravi P. Silva , Mark A. Baker , Jan Seidel , Martin A. Green , Henry J. Snaith , Dohyung Kim , Jongsung Park , Jae Sung Yun","doi":"10.1016/j.joule.2025.102043","DOIUrl":"10.1016/j.joule.2025.102043","url":null,"abstract":"<div><div>Perovskite solar cells (PSCs) for space applications have garnered significant attention due to their high tolerance to proton radiation. While the self-healing mechanism of PSCs is largely attributed to mobile inorganic halide ions, the effects of radiation on organic A-site cations remain underexplored. In this study, wide-band-gap Cs/formamidinium (FA) PSCs, which are promising for tandem applications in space environments, were subjected to harsh proton radiation testing. Photovoltaic (PV) device parameters of the PSCs measured pre- and post-irradiation demonstrated that propane-1,3-diammonium iodide (PDAI<sub>2</sub>) treatment effectively mitigates radiation-induced damage to the perovskite layer. Advanced characterization techniques, including X-ray photoelectron spectroscopy (XPS) depth profiling using femtosecond laser ablation (fs-LA) and time-of-flight elastic recoil detection analysis (ToF-ERDA), were employed to analyze the impact of proton radiation on A-site organic cations. Additionally, time-resolved Kelvin probe force microscopy (tr-KPFM) was utilized to elucidate the mechanism by which PDAI<sub>2</sub> treatment mitigates proton-induced damage to the organic cations.</div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102043"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144640470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Prospects for paired electrolysis at industrial currents 工业电流下配对电解的前景

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102049

Lu Xia , Kaiqi Zhao , Sunil Kadam , M. Dolores Blanco-González , María D. Hernández Alonso , F. Pelayo García de Arquer

{"title":"Prospects for paired electrolysis at industrial currents","authors":"Lu Xia , Kaiqi Zhao , Sunil Kadam , M. Dolores Blanco-González , María D. Hernández Alonso , F. Pelayo García de Arquer","doi":"10.1016/j.joule.2025.102049","DOIUrl":"10.1016/j.joule.2025.102049","url":null,"abstract":"<div><div>Paired electrolysis at industrial current densities offers an energy-efficient and sustainable alternative to thermocatalytic chemical synthesis by leveraging anodic and cathodic valorization. However, its industrial feasibility remains constrained by system integration, including reactor assembly, asymmetric electron transfer kinetics, membrane selection, mass transport limitations, and techno-economic bottlenecks. Addressing these challenges requires an engineering-driven approach that integrates reactor architecture, electrode-electrolyte interactions, reaction pairing, and process optimization. Here, we discuss scale-specific electrochemical reactor assembly strategies, transitioning from half-cell research to full-scale stack validation. We develop reaction pairing frameworks that align electrocatalyst design with electrochemical kinetics, enhancing efficiency and selectivity under industrial operating conditions. We also establish application-dependent key performance indicators and benchmark propylene oxidation coupled with hydrogen evolution reaction or oxygen reduction reaction against existing industrial routes to evaluate process viability. Finally, we propose hybrid integration models that embed paired electrolysis into existing industrial workflows, which could alleviate adoption barriers.</div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102049"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144678196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Tunable molecular dipole moments and orientations for efficient and stable perovskite solar cells 高效稳定的钙钛矿太阳能电池的可调分子偶极矩和取向

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102009

Yating Shi (史娅婷) , Yixin Zhang (张一心) , Hongqiang Guo (郭鸿强) , Yueying Zhang (张悦颖) , Minghui Li (李明桧) , Chuanxiao Xiao (肖传晓) , Wenjin Huang (黄文进) , Yaxin Zhai (翟亚新) , JianXing Xia (夏建兴) , Erkan Aydin , Fei Zhang (张飞)

{"title":"Tunable molecular dipole moments and orientations for efficient and stable perovskite solar cells","authors":"Yating Shi (史娅婷) , Yixin Zhang (张一心) , Hongqiang Guo (郭鸿强) , Yueying Zhang (张悦颖) , Minghui Li (李明桧) , Chuanxiao Xiao (肖传晓) , Wenjin Huang (黄文进) , Yaxin Zhai (翟亚新) , JianXing Xia (夏建兴) , Erkan Aydin , Fei Zhang (张飞)","doi":"10.1016/j.joule.2025.102009","DOIUrl":"10.1016/j.joule.2025.102009","url":null,"abstract":"<div><div><span>Molecules with positive and negative ends, known as dipolar molecules, are effective tools for the interfacial modifications of perovskites<span>. However, the impact of their dipole moments, the system’s overall polarity, and their orientations remains unexplored. In this work, we designed four molecules with different electron-donating/withdrawing groups, resulting in varying dipole moments and orientations, and analyzed their impact on performance when applied to perovskite films as surface modifiers. The perovskite treated with (4-(trifluoromethyl)phenyl)methanaminium iodide (PMA-CF</span></span><sub>3</sub>), which has the largest dipole moment and ordered parallel orientation, exhibited the most matched energy level with C<sub>60</sub><span>, which facilitated the electron transport and hindered the hole transport at the interface. The champion devices treated with PMA-CF</span><sub>3</sub> exhibited the best performance with a power conversion efficiency of 26.04% (a certified steady-state efficiency of 25.62% for 350s maximum power point tracking) and excellent storage and light soaking stability.</div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102009"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144516175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Single-atom catalysts enabled catalytic ammonia combustion at 1,100°C 单原子催化剂能在1100℃下催化氨燃烧

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102030

Yankun Du , Bingqing Yao , Liang Xu , Shangchen Lu , Chaokai Xu , Peijie Han , Sheng Dai , Sikai Wang , Shibo Xi , Boon Siong Neo , Ning Yan , Qian He

{"title":"Single-atom catalysts enabled catalytic ammonia combustion at 1,100°C","authors":"Yankun Du , Bingqing Yao , Liang Xu , Shangchen Lu , Chaokai Xu , Peijie Han , Sheng Dai , Sikai Wang , Shibo Xi , Boon Siong Neo , Ning Yan , Qian He","doi":"10.1016/j.joule.2025.102030","DOIUrl":"10.1016/j.joule.2025.102030","url":null,"abstract":"<div><div>Green ammonia (NH<sub>3</sub>) is a promising renewable fuel but suffers from having poor combustion characteristics. High-temperature catalytic NH<sub>3</sub> combustion (HT-CAC) provides an attractive solution to improve the combustibility of NH<sub>3</sub> and allows high-quality heat to be extracted with reduced harmful emissions. Achieving HT-CAC is a difficult task due to (1) demanding stability requirements of catalysts and (2) potentially high NO<sub>x</sub> emissions. Here, we report that atomically dispersed platinum (Pt) on 10% zirconium dioxide (ZrO<sub>2</sub>)-aluminum oxide (Al<sub>2</sub>O<sub>3</sub>) can facilitate the HT-CAC process. The catalyst ignites NH<sub>3</sub> combustion just above 200°C and has excellent stability when operated at 1,100°C. The presence of the catalyst also reduces the NO<sub>x</sub> emissions to around 50 ppm without detectable NH<sub>3</sub> slip. This work shows that combining single-atom catalysts with refractory support materials is an effective strategy for designing catalysts for HT-CAC, which will in turn help to decarbonize many “hard-to-abate” sectors, such as industrial heating.</div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102030"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144547359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Energetic and dynamic principles of potassium electrodeposition in potassium metal batteries 钾金属电池中钾电沉积的能量和动力学原理

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102053

Yupei Han (韩玉培) , Pan He (何攀) , Yang Xu (徐杨)

{"title":"Energetic and dynamic principles of potassium electrodeposition in potassium metal batteries","authors":"Yupei Han (韩玉培) , Pan He (何攀) , Yang Xu (徐杨)","doi":"10.1016/j.joule.2025.102053","DOIUrl":"10.1016/j.joule.2025.102053","url":null,"abstract":"<div><div>Potassium metal batteries offer a sustainable and cost-effective solution for high-energy storage applications. However, uncontrolled potassium dendrite growth remains a major obstacle to achieving long-term stability. In this review, we provide a holistic overview by establishing a theoretical framework for potassium nucleation and early-stage growth, identifying key factors that influence stable electrodeposition. We discuss representative materials and substrate design strategies that address these factors and emphasize the importance of several energetic parameters, including contact angle, surface energy, interfacial energy, binding energy, and combined binding/interfacial energies. These descriptors offer insight into the thermodynamic and kinetic processes governing potassium deposition. In addition, we explore the dynamic role of the solid-electrolyte interphase, particularly its mechanical properties and ionic conductivity, which critically impact deposition behavior. Finally, we outline future research directions toward a principle-driven, knowledge-based approach for regulating potassium electrodeposition, aiming to lay the groundwork for the practical development of next-generation potassium metal batteries.</div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102053"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144756671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Six-angle polarized snowflake-like carbon quantum dots via electrostatic reversion for low-cost and high-efficiency solar cells 六角极化雪花状碳量子点静电还原低成本高效太阳能电池

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102013

Yuxin Shi (石钰鑫) , Jianqiu Wang (王建邱) , Xianzhi Song , Shuyan Wei , Ting Yuan , Yunchao Li , Xiaohong Li , Yang Zhang (张洋) , Louzhen Fan (范楼珍) , Jianhui Hou (侯剑辉)

{"title":"Six-angle polarized snowflake-like carbon quantum dots via electrostatic reversion for low-cost and high-efficiency solar cells","authors":"Yuxin Shi (石钰鑫) , Jianqiu Wang (王建邱) , Xianzhi Song , Shuyan Wei , Ting Yuan , Yunchao Li , Xiaohong Li , Yang Zhang (张洋) , Louzhen Fan (范楼珍) , Jianhui Hou (侯剑辉)","doi":"10.1016/j.joule.2025.102013","DOIUrl":"10.1016/j.joule.2025.102013","url":null,"abstract":"<div><div><span><span>Although organic solar cells<span> (OSCs) have power conversion efficiencies<span> (PCEs) exceeding 20%, high material cost of active layer hinders their practical applications. </span></span></span>Carbon quantum dots<span><span> (CQDs) with low cost, unique optoelectronic<span> properties, and structural functionalization are promising candidates for solar cells (SCs). However, CQDs as active layers so far merely had 1% PCEs. Here, we report the one-step synthesis of snowflake-like CQDs with one carbon core and six equivalent polarized angles (Six-SL-CQDs), showing cost as low as ∼$18.07/g and adequate solution processability. Experimental results reveal that the designed structure can reverse the </span></span>electrostatic<span> potential generated between six angles and carbon core. Six-SL-CQDs serve as acceptor molecules to construct strong donor-acceptor intermolecular interactions<span>, leading to orderly structural stacking and effective exciton dissociation. SCs exhibit a maximum PCE of 10.3% and long-term stability, with </span></span></span></span><em>T</em><sub>80</sub> exceeding 2,078 h. These findings break the cost bottleneck and facilitate the practical application of carbon nanomaterial-based SCs.</div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102013"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144547362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Heat capacity estimation of complex materials for energy technologies 能源技术中复杂材料的热容估算

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102054

Elana J. Cope , Joana Bustamante , Zöe M. Johnson , Alicia Lancaster , Ramya Gurunathan , Janine George , Matthias T. Agne

{"title":"Heat capacity estimation of complex materials for energy technologies","authors":"Elana J. Cope , Joana Bustamante , Zöe M. Johnson , Alicia Lancaster , Ramya Gurunathan , Janine George , Matthias T. Agne","doi":"10.1016/j.joule.2025.102054","DOIUrl":"10.1016/j.joule.2025.102054","url":null,"abstract":"<div><div>Heat capacity, which directly relates to free energy changes and thermal transport, is fundamental to modern engineering design. Even though current computational technology provides a detailed picture of atomic vibrations, the Debye and Dulong-Petit models are still widely utilized despite being prone to lower accuracy. Modern considerations of vibrational states, anharmonicity, electronic carriers, and phase transformations could improve estimates. Herein, the physics-based vibrational + dilation + electronic (VDE) model incorporates a user-provided phonon density of states, a phonon pressure-based dilation term, and an electronic component. Phonon density of states from analytical, machine-learned, and first-principles methods are compared, thus highlighting the advantages of machine-learned technology. Heat capacity estimates for 38 diverse materials are often within 5% of experimental values between 200 and 600 K. Detailed temperature-dependent investigations are carried out for several materials, including <span><math><mrow><mtext>LiCo</mtext><msub><mi>O</mi><mn>2</mn></msub></mrow></math></span>, ZIF-8, <span><math><msub><mtext>Mg</mtext><mtext>3</mtext></msub><msub><mtext>Sb</mtext><mtext>2</mtext></msub></math></span>, polyvinyl chloride (PVC), and amorphous silicon. <span><math><mrow><mi>C</mi><msub><mi>u</mi><mn>2</mn></msub></mrow></math></span>Se is modeled through its phase transition, which further demonstrates the model’s capabilities to enable engineering design and sophisticated analysis.</div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102054"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144756660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Amidino-based ligand enables oriented crystallization and boosted carrier extraction for inverted perovskite solar cells and modules 氨基基配体实现了倒置钙钛矿太阳能电池和组件的定向结晶和载体提取

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102044

Ke Wang , Zhiyuan Xu , Keqiang Li , Ru Li , Zhihao Guo , Yingguo Yang , Jiang Huang , Omar F. Mohammed , Zhigang Zang

{"title":"Amidino-based ligand enables oriented crystallization and boosted carrier extraction for inverted perovskite solar cells and modules","authors":"Ke Wang , Zhiyuan Xu , Keqiang Li , Ru Li , Zhihao Guo , Yingguo Yang , Jiang Huang , Omar F. Mohammed , Zhigang Zang","doi":"10.1016/j.joule.2025.102044","DOIUrl":"10.1016/j.joule.2025.102044","url":null,"abstract":"<div><div>High-quality perovskite films with vertical orientation and compact bottom interface are critical for the design and engineering of efficient and stable Cs<sub>x</sub>FA<sub>1−x</sub>PbI<sub>3</sub>-based perovskite solar cells (PSCs). Herein, a robust amidino-based ligand, namely morpholine-4-carboximidamide hydrochloride (M4CH), is introduced into the perovskite precursor to fabricate (001)-dominated perovskite films and simultaneously regulate buried interfacial morphologies and energetics. M4CH enables vertically oriented growth via its strongest adsorption energy on perovskite (001) facets. Concurrently, M4CH accumulates at the buried interface, forming a positive dipole layer to enhance carrier extraction. The resulting inverted methylammonium (MA)-free PSC achieves a champion power conversion efficiency (PCE) of 24.52%, an exceptionally high open-circuit voltage (<em>V</em><sub>OC</sub>) of 1.181 V, and outstanding thermal and environmental stability. Encouragingly, the M4CH-incorporated module, with an aperture of 642 cm<sup>2</sup>, demonstrates an impressive efficiency of 18.54% (certified 18.48%), positioning it among the highest efficiencies recorded for large-scale inverted perovskite solar modules (PSMs).</div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102044"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144640469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Alleviating kinetical delamination induced by localized cathode contact via electrochemo-mechanical modeling in all-solid-state batteries 基于电化学-力学建模的全固态电池局部阴极接触引起的动力学分层

IF 35.4 1区材料科学

Joule Pub Date : 2025-08-20 DOI: 10.1016/j.joule.2025.102046

Dongkyu Lee , Yejin Shim , Eunhyuk Choi , KyungSu Kim , Ji-Sang Yu , Seung Ho Choi , Woosuk Cho , Dong-Joo Yoo

{"title":"Alleviating kinetical delamination induced by localized cathode contact via electrochemo-mechanical modeling in all-solid-state batteries","authors":"Dongkyu Lee , Yejin Shim , Eunhyuk Choi , KyungSu Kim , Ji-Sang Yu , Seung Ho Choi , Woosuk Cho , Dong-Joo Yoo","doi":"10.1016/j.joule.2025.102046","DOIUrl":"10.1016/j.joule.2025.102046","url":null,"abstract":"<div><div><span>While all-solid-state batteries (ASSBs) offer promise for high safety and power density due to the Li superionic solid electrolytes (SEs), they suffer from mechanical </span>delamination<span><span> at cathode-SE interfaces, hindering reliable cycle life. Herein, we elucidate the principles underlying kinetics-induced mechanical delamination in high-nickel layered </span>oxide<span> cathodes by comparing electrodes in different cathode contact coverages at various current densities. An electrochemo-mechanical model demonstrates that low and localized contact coverage induces a kinetics-driven Li concentration gradient<span> and relatively rapid contraction at the narrow contact area, leading to accelerated delamination of each particle. This phenomenon is supported by the reduction of coverages in electrodes after cycling. By increasing the size ratio of active materials to SEs, the electrodes with high and uniform coverage exhibited extended cyclability, retaining 79.1% after 1,000 cycles at a 5C rate. This study highlights the effect of uniform contact with high coverage in mechanical delamination for achieving high-performance ASSBs.</span></span></span></div></div>","PeriodicalId":343,"journal":{"name":"Joule","volume":"9 8","pages":"Article 102046"},"PeriodicalIF":35.4,"publicationDate":"2025-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144594792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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