Journal of Power Sources最新文献

{"title":"Suppressing dendritic growth in lithium metal batteries: Recent strategies, mechanistic, and technological advances","authors":"Mahmood Alhajj ,&nbsp;Nursyafreena Attan ,&nbsp;Amjad Abedelqader ,&nbsp;Madzlan Aziz ,&nbsp;Siti Aminah setu","doi":"10.1016/j.jpowsour.2025.238520","DOIUrl":"10.1016/j.jpowsour.2025.238520","url":null,"abstract":"<div><div>Lithium metal is considered the premier anode choice for high-energy-density batteries due to its exceptional theoretical capacity (3862 mAh g⁻¹), remarkably low redox potential, and lightweight properties. The evolution of lithium metal electrodes represents a crucial step forward in realizing practical solid-state batteries. Nonetheless, lithium dendrite formation remains a major barrier, undermining both the longevity and safety and of lithium metal batteries (LMBs). This review examines recent strategies for suppressing lithium dendrites, focusing on mechanistic insights, electrolyte engineering, separator modifications, and advanced anode designs. High-concentration and solid-state electrolytes enhance interfacial stability, while artificial solid electrolyte interphase (SEI) layers and three-dimensional (3D) lithiophilic hosts promote uniform lithium (Li) deposition. External field-assisted techniques and optimized charging protocols further mitigate dendrite formation. Despite progress, challenges remain in scalability, cost, and full-cell integration. Advanced characterization and machine learning are essential for deeper mechanistic understanding and material optimization. Future research should prioritize multi-strategy synergies, scalable manufacturing, and real-world performance validation. Achieving dendrite-free LMBs requires interdisciplinary efforts to bridge fundamental science and industrial application, opening new avenues for high-performance energy storage in smart grids and electric vehicles. This review outlines current progress and future directions toward safe, high-performance LMBs for grid-scale and electric vehicles applications.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238520"},"PeriodicalIF":7.9,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218677","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}

{"title":"Wireless charging for electric vehicles: A comprehensive review of technologies, challenges, and solutions","authors":"Tasnime Bouanou ,&nbsp;Hassan El Fadil ,&nbsp;Hafsa Abbade","doi":"10.1016/j.jpowsour.2025.238501","DOIUrl":"10.1016/j.jpowsour.2025.238501","url":null,"abstract":"<div><div>Wireless Power Transfer (WPT) technology is a crucial innovation offering convenience and advancements across various fields. Similarly, electric vehicles (EVs) provide a sustainable solution to reduce pollution. The adoption of EVs depends on factors such as charging duration, accessibility to stations, and safety concerns. While conductive charging remains the dominant method, especially with the advantages of DC fast chargers, wireless charging is emerging as a flexible and convenient alternative, reducing dependence on physical wires. This review covers the fundamentals of WPT technology, various EV charging solutions, and the development of wireless EV charging. It includes discussions on WPT categories, modes of wireless charging, coil topologies, the role of ferrite and shielding, misalignment challenges, compensation topologies, power converters, system control, key challenges and perspectives and key standards for wireless EV charging, highlighting its role in advancing charging infrastructure and promoting EV adoption.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238501"},"PeriodicalIF":7.9,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218769","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}

{"title":"Hierarchically porous aramid-derived hard carbon with high-rate capability as anodes for sodium-ion batteries","authors":"T. Qiu ,&nbsp;J.D. Wang ,&nbsp;J. Xie ,&nbsp;Z.Y. Chen ,&nbsp;Y.X. Wu ,&nbsp;J.F. Wu ,&nbsp;J. Wang ,&nbsp;F. Liu ,&nbsp;J.P. Cheng","doi":"10.1016/j.jpowsour.2025.238493","DOIUrl":"10.1016/j.jpowsour.2025.238493","url":null,"abstract":"<div><div>The morphology and structure of hard carbon (HC) as anodes are pivotal for enhancing the rate capability of sodium-ion batteries (SIBs). Aramid fiber-derived HC, for the first time, is employed as an anode material of SIBs through a two-step treatment strategy involving nanofibrillation in solution of DMSO/KOH (dimethyl sulfoxide/potassium hydroxide) followed by freeze-drying. Compared to the control sample that is prepared by direct carbonization, the average fiber diameter is significantly reduced from about 10 μm to 20 nm, and a hierarchically porous structure with a higher specific surface area and a larger pore volume is formed. Its typical structure can enhance Na⁺ diffusion kinetics and improve electrical conductivity of HC, as evidenced by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and galvanostatic intermittent titration technique (GITT) measurements. The carbonization temperature is varied and the sodium storage mechanism is also investigated. The optimized HC exhibits a better rate capability of 136.7 mAh g⁻¹ at 20C and a higher initial Coulombic efficiency (ICE) of 82.3 % compared to the control sample. This work not only presents a HC anode design with high rate capability but also highlights the potential of aramid fibers as precursors of energy storage.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238493"},"PeriodicalIF":7.9,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218513","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}

{"title":"Composites made of lotus-seedpod-derived carbon and nickel hydroxide sulfate nanofibers: Advanced materials for supercapacitor electrodes","authors":"Likun Dong ,&nbsp;Shuang Liang ,&nbsp;Guanzhihui Wang ,&nbsp;Xiaobo Yang ,&nbsp;Bao Zhou ,&nbsp;Zhuoqi Duan ,&nbsp;Zaixin Xie ,&nbsp;Yongmao Hu","doi":"10.1016/j.jpowsour.2025.238486","DOIUrl":"10.1016/j.jpowsour.2025.238486","url":null,"abstract":"<div><div>Nickel hydroxide sulfate (NSOH) is a promising electrode material for supercapacitors (SCs) for its high redox activity, good cycling stability and low self-discharge rate. However, agglomeration of the nanocrystalline NSOH during charge-discharge cycles reduces the charge transfer rate in the electrodes and through the electrode/electrolyte interfaces and thus degrades capacity and durability. This work reports a strategy to avoid this drawback by embedding NSOH nanofibers (NFs) within activated lotus-seedpod-derived carbon (ALSC) to stimulate synergistic effect between the NSOH and the carbon skeleton toward high-performance electrodes for SCs. The created ALSC@NSOH electrode achieves a desirable specific capacity of 414.9 mAh g⁻¹ (2,987.6 F g⁻¹), which is 2.1 times that of the carbon-free NSOH electrode, and preserves 87.6 % of the initial capacity after 10,000 galvanostatic charge-discharge (GCD) cycles. Encouragingly, the hybrid supercapacitor (HSC) configurated with ALSC@NSOH//ALSC obtains a high energy density of 129.33 Wh kg⁻¹ at 817.39 W kg⁻¹ and an impressive durability of 86.7 % capacity retention for up to 5,000 GCD cycles. This work develops a methodology for transforming waste into energy storage materials, which is beneficial for waste disposal and fossil fuel emissions alleviation and is significant to the environment and circular economy.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238486"},"PeriodicalIF":7.9,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218578","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}

{"title":"Fast predictions of cold start performances of fuel cells using data-driven assisted models","authors":"Cheng-Zhuo Hu,&nbsp;Wen-Zhen Fang,&nbsp;Guo-Rui Zhao,&nbsp;Fan Bai,&nbsp;Wen-Quan Tao","doi":"10.1016/j.jpowsour.2025.238491","DOIUrl":"10.1016/j.jpowsour.2025.238491","url":null,"abstract":"<div><div>The existence of supercooled water in the porous electrode of Proton exchange membrane fuel cell (PEMFC) leads to the difficulty in the modelling. In this work, a cold start model of PEMFCs considering the existence of supercooled water is established, which is used to examine how the supercooled water affects the cold start performances. We find that due to the transport of supercooled water in the porous electrode, the ice can be formed in the entire porous electrode, which is different from the model not considering the supercooled water where the ice can only store in the catalyst layer. Accordingly, when the cold start is failed, the ice blockage positions are highly dependent on the structure of porous electrodes. We then propose a theoretical formula for the fast predictions of cold start time of PEMFCs, with the aid of data-driven models. Using this data-driven assisted model, we elucidate how the current density and structure of porous electrodes affect the cold start performance. The insights provided in this work help to optimize the cold start performance of PEMFCs.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238491"},"PeriodicalIF":7.9,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218589","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}

{"title":"In situ nitridation of carbon-based Ni3N electrocatalysts for the hydrogen evolution reaction: Synthesis and mechanistic insights","authors":"Fangbo Yao ,&nbsp;Zhengyang Fei ,&nbsp;Ryuto Matsuo ,&nbsp;Zhe Zhang ,&nbsp;Chang Yi Kong","doi":"10.1016/j.jpowsour.2025.238488","DOIUrl":"10.1016/j.jpowsour.2025.238488","url":null,"abstract":"<div><div>Nickel nitride (Ni₃N) exhibits promising electrochemical activity for the hydrogen evolution reaction (HER) in alkaline media. However, the synthesis of Ni₃N without employing an ammonia atmosphere or mixed amine-based precursors remains unexplored, and the mechanism by which carbon-based Ni₃N enhances HER catalytic performance is still not fully understood. Herein, we report for the first time a simple and environmentally friendly in situ nitridation method to synthesize a Ni₃N/rGO electrocatalyst via direct heating, and demonstrate its application as an efficient HER electrode material. Characterization results show that C₄K₂N₄Ni·xH₂O serves as both the nitrogen and nickel source. Following a hydrothermal reaction, the catalytically active sites are uniformly dispersed on the rGO surface via ion exchange, and homogeneous Ni₃N/rGO is successfully synthesized through heating under a nitrogen atmosphere. The rGO matrix enhances contact between the catalytic active sites and the electrolyte, enabling excellent HER performance even with extremely low metal loading (Ni₃N/rGO (0.98) are 195 mV at −10 mA/cm², and 305 mV at −80 mA/cm²). First-principles density functional theory (DFT) calculations reveal that the Ni₃N/rGO electrocatalyst possesses lower free energy and a reduced reaction energy barrier. Under optimized conditions, Ni₃N/rGO (0.98) exhibits a comparable overpotential (ECSA-normalized) to that of commercial 20 % Pt/C, along with outstanding stability during cyclic testing at high current densities. Moreover, substituting anion exchange resin as the carbon source also yields similar catalytic performance. The proposed synthesis strategy for carbon-based Ni₃N electrocatalysts offers a scalable approach for the fabrication of high-performance HER electrode materials.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238488"},"PeriodicalIF":7.9,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218515","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}

{"title":"Advanced eco-conscious amylaceous biopolymer electrolytes functionalized with potassium iodide for high-performance flexible potassium-ion batteries","authors":"M. Anandha Jothi ,&nbsp;D. Vanitha ,&nbsp;V. Siva ,&nbsp;A. Murugan ,&nbsp;P. Saranya","doi":"10.1016/j.jpowsour.2025.238476","DOIUrl":"10.1016/j.jpowsour.2025.238476","url":null,"abstract":"<div><div>Solid biopolymer electrolytes (SBEs) based on cornstarch and potassium iodide (KI) have been developed via solution casting, demonstrating enhanced safety and flexibility for potassiumion batteries (KIBs). X-ray diffraction has been confirmed KI reduced semicrystallinity, while Fourier transform infra-red spectroscopy (FTIR) revealed cation interactions with C‒O band, yielding 75.19 % free ions. Moreover, 70/30 (cornstarch/KI) composition achieved optimal ionic conductivity (2.50 × 10⁻⁴ S/cm at 303K) with minimal activation energy (0.13 eV). Theoretical modelling validated the Overlapping Large Polaron Tunnelling and Small Polaron Hopping models accurately describe ion conduction, specifically at mid and high frequency ranges. Dielectric analysis showed an exceptional dielectric constant of 7.86 × 10⁶ at 42 Hz. A negative dielectric constant of −273.897 emerges at 1 MHz due to the prevailing inductive response in this frequency range. The SBE exhibited a high ion transference number (0.98) and ultrafast relaxation (1.01 μs). A flexible KIB delivered an open-circuit voltage of 1.085 V, showcasing its potential for next-generation energy storage.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238476"},"PeriodicalIF":7.9,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218591","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}

{"title":"Engineering biomass heterogeneity of puffed rice into optimal pore topology for high-performance supercapacitors","authors":"Dengfeng Yu ,&nbsp;Feifei Sun ,&nbsp;Gongyuan Zhao ,&nbsp;Yuanlin Wang ,&nbsp;Miao Yu ,&nbsp;Ye Sun","doi":"10.1016/j.jpowsour.2025.238514","DOIUrl":"10.1016/j.jpowsour.2025.238514","url":null,"abstract":"<div><div>Rational pore architecture—featuring optimal size distribution, interconnected frameworks, and maximized accessible surface area—is critical to achieve high energy density without compromising power density. Biomass-derived porous carbons are known for their natural hierarchical porosity, self-doped heteroatoms, cost-effectiveness, and sustainability, yet suffering from unbalanced macro-/micro-pore ratios and unresolved template-activation tradeoffs. Herein, we report a puffed rice-derived three-dimensional honeycomb-like hierarchical porous carbon (HPC) <em>via</em> synergistic KOH activation and MnO sacrificial templating, producing an interconnected porous network with an ultrahigh specific surface area (3107 m² g⁻¹) and optimized ion transport pathways. The HPC delivers capacitances as high as 676 F g⁻¹ (1 A g⁻¹, three-electrode) and 409 F g⁻¹ (0.1 A g⁻¹, two-electrode) in 6 M KOH, with outstanding rate capability (75.3 % retention at 10 A g⁻¹) and cycling stability (93.7 % retention after 100,000 cycles). As a symmetric supercapacitor using EMIMBF₄ electrolyte, HPC achieves 123.8 Wh kg⁻¹ at 450 W kg⁻¹ and retains 104 Wh kg⁻¹ even at 12,600 W kg⁻¹. This work represents a paradigm shift in biomass utilization by converting inherent biological heterogeneity into a structural advantage through controlled pore engineering.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238514"},"PeriodicalIF":7.9,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218632","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}

{"title":"Influence of graded metal foam flow channel on electrolytic performance of solid oxide electrolysis cell","authors":"Dahai Zhang ,&nbsp;Xiaohai Hou ,&nbsp;Shuoshuo Liu ,&nbsp;Yun Luo ,&nbsp;Wenchun Jiang ,&nbsp;Qian Zhang","doi":"10.1016/j.jpowsour.2025.238503","DOIUrl":"10.1016/j.jpowsour.2025.238503","url":null,"abstract":"<div><div>In the solid oxide electrolytic cell, the distribution of water vapor concentration is usually uneven, so the design of the flow field structure is of great significance. In this study, we introduce two kinds of metal foams with different porosity gradients as the cathode flow channel of the electrolytic cell. Through numerical simulation the polarization curve, water vapor conversion rate, water vapor non-uniformity coefficient and temperature difference results are evaluated and analyzed, and it is found that the specific porosity gradient in the metal foam flow field has a positive effect on the performance of the electrolytic cell. At a current density of 8000 A/m², the electrolyzer with negative porosity gradient demonstrates a 17.66 % higher steam conversion rate and 6.37 % lower local non-uniformity coefficient compared to the uniform porosity gradient design.</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238503"},"PeriodicalIF":7.9,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218586","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}

{"title":"Biochar induced low body phase g-C3N4 with high crystallinity in situ grown NiSe2 nanoparticles for hybrid supercapacitor","authors":"Xu Yang ,&nbsp;Zheng Leizhi ,&nbsp;Liu Chengbao ,&nbsp;Chen Feng ,&nbsp;Qian Junchao ,&nbsp;Qiu Yongbin ,&nbsp;Meng Xianrong ,&nbsp;Chen Zhigang","doi":"10.1016/j.jpowsour.2025.238531","DOIUrl":"10.1016/j.jpowsour.2025.238531","url":null,"abstract":"<div><div>Nickel selenide, as hybrid supercapacitor electrode material, has excellent electrochemical performance. However, it also faces challenges, such as slow charge transfer speed, easy agglomeration, and volume expansion. Here, we prepared a high crystalline graphitic carbon nitride (CCN)/biochar (C)/nickel selenide (NiSe₂) (CCN/C-NiSe₂) ternary composite material as the positive electrode to solve the problems mentioned above. After introduction of C, the few layers and low body phase of g-C₃N₄ (CN) can be obtained by utilizing its self-assembly and micro-reaction space characteristics. Furthermore, CN with many defects and low crystallinity degree can be improved by introducing molten salt system, so as to obtain CCN. The strong interconnections between the π-conjugated layer of CCN and the biochar promote electron and ion transport efficiency, which can increase the charge transfer speed, decrease accumulation agglomeration and poor stability of NiSe₂. The results show that the specific capacitance of CCN/C-NiSe₂-90 nanocomposite electrode is 1309.75 F g⁻¹ (1 A g⁻¹), which is significantly higher than that of NiSe₂ (965.75 F g⁻¹) and CCN/C (74 F g⁻¹) in the three-electrode system. The CCN/C-NiSe₂-90//AC presents energy density of 28.66 Wh kg⁻¹ at 849.88W kg⁻¹, and its initial performance maintains 80 % capacitance after 5000 cycles (5 A g⁻¹).</div></div>","PeriodicalId":377,"journal":{"name":"Journal of Power Sources","volume":"660 ","pages":"Article 238531"},"PeriodicalIF":7.9,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145218579","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}