Rare Metals最新文献_第8页

A facile synthesis of ternary PtCuNi nanoalloys as catalysts for the hydrogen evolution and oxygen evolution reactions both in alkaline and acidic media 三元PtCuNi纳米合金在碱性和酸性介质中作为析氢和析氧反应催化剂的简易合成

IF 11 1区材料科学

Rare Metals Pub Date : 2025-09-15 DOI: 10.1007/s12598-025-03579-2

Ilknur Baldan Isik, Zafer Eroglu, Dogan Kaya, Faruk Karadag, Ahmet Ekicibil, Onder Metin

{"title":"A facile synthesis of ternary PtCuNi nanoalloys as catalysts for the hydrogen evolution and oxygen evolution reactions both in alkaline and acidic media","authors":"Ilknur Baldan Isik, Zafer Eroglu, Dogan Kaya, Faruk Karadag, Ahmet Ekicibil, Onder Metin","doi":"10.1007/s12598-025-03579-2","DOIUrl":"10.1007/s12598-025-03579-2","url":null,"abstract":"<p>Ternary PtCuNi nanoalloys with different Pt/Cu/Ni ratios were synthesized by using one-pot modified polyol method, and their electrocatalytic performance in hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) was investigated in detail. The structural analysis of as-synthesized PtCuNi nanoalloys performed by using Rietveld refinement and X-ray diffraction (XRD) analyses confirmed that they have the cubic crystal phase with a space group of the face-centered cubic (fcc)—<i>Fm</i><span>(overline{3 })</span><i>m</i>, where the increasing Pt ratio increased the lattice parameter to 3.712 Å and decreased the crystal size to 1.59 ± 0.39 nm. All prepared nanoalloys showed a uniform spherical shape with an average particle size between 3 and 9 nm. The Pt<sub>58</sub>Cu<sub>15</sub>Ni<sub>27</sub> nanocatalyst with an average particle size of 3.62 nm shows that lowest Tafel slopes of 40 and 62 mV dec<sup>−1</sup> for HER region both in alkaline and acidic media, respectively. Chronoamperometry tests of Pt<sub>58</sub>Cu<sub>15</sub>Ni<sub>27</sub> nanocatalysts were performed at −0.3 mV (vs. RHE) in both acidic and alkaline solution displayed that they all exhibited excellent cycle stability. The Pt<sub>58</sub>Cu<sub>15</sub>Ni<sub>27</sub> nanocatalysts also exhibited the lowest overpotentials (<i>η</i>) at 10 mA cm<sup>−2</sup> of 1.36 V for OER in alkaline solution, while the Pt<sub>9</sub>Cu<sub>39</sub>Ni<sub>52</sub> demonstrated the lowest Tafel slopes of 30 and 44 mV dec<sup>−1</sup> for OER in both alkaline and acidic media, respectively. The enhanced electrocatalytic activity of the PtCuNi nanocatalysts is attributed to the stabilization of Pt through electron transfer from Cu and Ni in both reaction media, as well as their critical role in facilitating the cleavage of HO–H bonds during water splitting.</p>","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 12","pages":"10172 - 10189"},"PeriodicalIF":11.0,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090820","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

Coupled graphene capsule enabling fast and stable lithium storage in micron-silicon anodes for lithium-ion batteries 耦合石墨烯胶囊，在锂离子电池的微米硅阳极中实现快速稳定的锂存储

IF 11 1区材料科学

Rare Metals Pub Date : 2025-09-15 DOI: 10.1007/s12598-025-03598-z

Rui Zhang, Lin-Shan Zhu, Ye-Wei Yu, Jie Chen, Ping Liu, Chang Lu, Yi-Man Zhang, Zhao-Xin Meng, Yang-Ming Hu, Yong-Qiang Ji, Jie Yu, Pei-Lun Yu, Mei-Sheng Han, Yu-Liang Cao, Zhen-Wei Li

{"title":"Coupled graphene capsule enabling fast and stable lithium storage in micron-silicon anodes for lithium-ion batteries","authors":"Rui Zhang, Lin-Shan Zhu, Ye-Wei Yu, Jie Chen, Ping Liu, Chang Lu, Yi-Man Zhang, Zhao-Xin Meng, Yang-Ming Hu, Yong-Qiang Ji, Jie Yu, Pei-Lun Yu, Mei-Sheng Han, Yu-Liang Cao, Zhen-Wei Li","doi":"10.1007/s12598-025-03598-z","DOIUrl":"10.1007/s12598-025-03598-z","url":null,"abstract":"<div><p>Micron-Si is considered a highly promising anode material for lithium-ion batteries (LIBs) due to its high theoretical capacity and cost-effectiveness. However, its practical implementation is severely hindered by excessive volume expansion and poor charge transport capability. To address these challenges, we propose a coupled graphene capsule strategy with built-in voids to encapsulate micron-Si particles. In this strategy, planar graphene (PG) serves as the capsule matrix, while vertically graphene (VG) is epitaxially grown from defects in PG, forming the coupled graphene capsule. The epitaxially grown VG not only heals the intrinsic defects of PG, thereby enhancing the mechanical robustness of the capsule, but also induces a pronounced tip-enhanced electric field effect due to its high-curvature apexes. This effect significantly facilitates rapid charge transport within the electrode. Benefiting from this strategy, the prepared composite (VG-PG@MSi) exhibits exceptional rate capability (692.3 mAh g<sup>−1</sup>, 5C) and cycling stability (78.6%, capacity retention, 1000 cycles) at high areal capacity of 4.16 mAh cm<sup>−2</sup>. This study not only introduces a new direction for the rational design of carbon coating architectures in silicon carbon anodes but also, for the first time, highlights the essential role of the tip-enhanced electric field effect for improving charge transfer in LIBs.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 12","pages":"9833 - 9849"},"PeriodicalIF":11.0,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s12598-025-03598-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spiral engineering for carbon fibers wrapped with CoNi nanoparticle showing great potential in multiband absorption, aerogelation and self-cleaning 纳米颗粒包裹碳纤维的螺旋工程在多波段吸收、气凝胶和自清洁方面具有很大的潜力

1区材料科学

Rare Metals Pub Date : 2025-09-15 DOI: 10.1007/s12598-025-03594-3

Bo Jiang, Bo Long, Si Chen, Qingguo Li, Chao Zhang, Jin-Cheng Ma, Yaming Zhuang, Yifan Yang, Shuang‐Yan Lin, Yunyun Li

{"title":"Spiral engineering for carbon fibers wrapped with CoNi nanoparticle showing great potential in multiband absorption, aerogelation and self-cleaning","authors":"Bo Jiang, Bo Long, Si Chen, Qingguo Li, Chao Zhang, Jin-Cheng Ma, Yaming Zhuang, Yifan Yang, Shuang‐Yan Lin, Yunyun Li","doi":"10.1007/s12598-025-03594-3","DOIUrl":"https://doi.org/10.1007/s12598-025-03594-3","url":null,"abstract":"Although carbon fiber electromagnetic wave absorbing materials have shown great potential in the field of electromagnetic protection, the currently reported carbon fiber-based absorbers are limited to the manipulation of composition and external structure, lacking the design of intrinsic morphology. To fill the above-mentioned gap, this work presents a spiral carbon fiber compounded with CoNi magnetic nanoparticles (CoNi@SCF). Attributed to its special morphology and dielectric-magnetic synergy, this material offers abundant attenuation mechanisms, demonstrating strong absorption at multiple frequencies with broadband application potential. In particular, the maximum reflection loss and effective absorption bandwidth of CoNi@SCF reach −66.5 dB at 2.9 mm and 6.6 GHz at 2.1 mm, respectively, and the maximum RCS reduction value of 41.5 dB m2 also confirms the actual efficiency. In addition, gelation and hydrophobic modification experiments have been explored to meet the requirements for the employment of magnetic carbon fibers in practical scenarios. Therefore, this work may provide new inspiration for the design and manufacture of novel magnetic carbon fiber absorbers with great stability and multiband absorption performance.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 12","pages":"10580-10593"},"PeriodicalIF":0.0,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147331305","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

Digital modeling and intelligent control methods for lithium deposition evolutions 锂沉积过程的数字化建模与智能控制方法

IF 11 1区材料科学

Rare Metals Pub Date : 2025-09-11 DOI: 10.1007/s12598-025-03549-8

Yefan Sun, Zhaoxia Peng, Xiaopeng Zhu, Xinkai Zhang, Xinhua Liu, Shichun Yang, Xiaoyu Yan, Justice Delali Akoto, Nadeen S. B. M. Alotaibi, Rui Tan

{"title":"Digital modeling and intelligent control methods for lithium deposition evolutions","authors":"Yefan Sun, Zhaoxia Peng, Xiaopeng Zhu, Xinkai Zhang, Xinhua Liu, Shichun Yang, Xiaoyu Yan, Justice Delali Akoto, Nadeen S. B. M. Alotaibi, Rui Tan","doi":"10.1007/s12598-025-03549-8","DOIUrl":"10.1007/s12598-025-03549-8","url":null,"abstract":"<div><p>Lithium metal anodes are critical for next generation high energy density batteries due to their ultrahigh theoretical capacity and low electrochemical potential. However, uncontrolled dendritic lithium growth during deposition causes severe issues such as internal short circuits, reduced Coulombic efficiency, and rapid capacity fading, significantly hindering practical application. Conventional experimental methods struggle to capture the dynamic, nanoscale interfacial reactions and complex three-dimensional lithium morphological evolution during cycling. In this context, digital modeling and intelligent control offer promising new avenues for investigating and managing lithium deposition behavior. This review systematically summarizes recent advances in digital characterization techniques, multiphysics modeling, and simulations for lithium metal anodes, focusing on elucidating the thermodynamic and kinetic mechanisms behind dendrite nucleation, growth, and suppression. Moreover, we highlight how intelligent regulation strategies—particularly those utilizing machine learning and data driven closed loop feedback, which can guide uniform lithium deposition—enable real-time optimization of interfacial conditions. We envision future directions for digital battery research, emphasizing three transformative trends: \"Reliable data replaces expert experience, Computing power surpasses human brainpower and Machine substitution for human labor\", laying a theoretical foundation for developing safe, long life lithium metal batteries.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 12","pages":"9446 - 9474"},"PeriodicalIF":11.0,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090971","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

Montmorillonite‐loaded magnesium alloy with photothermal and drug‐enhanced anti‐tumor and regulation of immune microenvironment for SVCS interventional therapy 光热和药物增强蒙脱石负载镁合金抗肿瘤和调节SVCS介入治疗的免疫微环境

1区材料科学

Rare Metals Pub Date : 2025-09-11 DOI: 10.1007/s12598-025-03554-x

Yibing Zhu, Yu‐Fan Zang, Jianan Yu, Chengyu Li, Shao‐Sheng Jia, Yu-Han Liang, Lingchuang Bai, Bin Li, Jingan Li, Lan Chen

{"title":"Montmorillonite‐loaded magnesium alloy with photothermal and drug‐enhanced anti‐tumor and regulation of immune microenvironment for SVCS interventional therapy","authors":"Yibing Zhu, Yu‐Fan Zang, Jianan Yu, Chengyu Li, Shao‐Sheng Jia, Yu-Han Liang, Lingchuang Bai, Bin Li, Jingan Li, Lan Chen","doi":"10.1007/s12598-025-03554-x","DOIUrl":"https://doi.org/10.1007/s12598-025-03554-x","url":null,"abstract":"Abstract Superior vena cava syndrome (SVCS) caused by lung cancer accounts for 75% of patients with SVCS, which is one of the common complications of tumors. Interventional therapy is currently the most effective approach to relieve obstruction, but existing stents cannot inhibit or eliminate tumors, requiring postoperative radiotherapy and chemotherapy that may lead to secondary obstruction. Based on the characteristics of the tumor microenvironment and the interlayer ion replaceable properties of the layered material‐montmorillonite (MMT), the composite coating (MMT/Em/PDA) of emodin (Em)‐loaded MMT and dopamine was constructed on the magnesium alloy by liquid phase ion exchange technology and hydrothermal technology. The in vitro and in vivo results showed that the modified samples showed excellent corrosion resistance, the drug loading through adsorption and complexation with Zn 2+ between MMT layers, and the drug‐loaded samples possessed good pH and near‐infrared response‐controlled release drug performances. The MMT/Em/PDA sample exhibited an excellent photothermal conversion performance. Photothermal (PTT) synergistic drug therapy of samples could significantly promote the production of ROS in lung cancer cells damage mitochondria, and further inhibit cell adhesion, proliferation, and invasion by down‐regulating PI3K‐AKT and EMT signaling pathways, thereby causing tumor cell death. Furthermore, the multimodal therapies of samples promoted the repolarization of tumor‐associated macrophages into the M1 phenotype to re‐activate tumor immunity through activating the AKT‐NF‐κB signaling pathway. In normal tissues, they can significantly promote the M2 phenotype polarization to promote vascular tissue repair by inhibiting the AKT‐NF‐κB signaling pathway. This work helps to provide a new insight into designing the modified magnesium alloy.","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 12","pages":"10531-10557"},"PeriodicalIF":0.0,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147884176","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

Advances in metals and metal hybrids-based gas sensors and their applications 金属和金属混合气体传感器及其应用进展

IF 11 1区材料科学

Rare Metals Pub Date : 2025-09-11 DOI: 10.1007/s12598-025-03527-0

Danyao Qu, Bolang Cheng, Xinyi Shao, Jinyong Hu, Suo Bai, Yong Zhang, Weiwei Wu, Hossam Haick

引用次数: 0

Enabling structurally and thermally stable ultrahigh-Ni and Co-free oxide cathodes by Nb-dopant-enriched surface 通过富铌掺杂表面制备结构稳定、热稳定的超高镍、无钴氧化物阴极

IF 11 1区材料科学

Rare Metals Pub Date : 2025-09-10 DOI: 10.1007/s12598-025-03435-3

Mao-Sheng Gong, Jia-Cheng Li, Feng Li, Mo-Han Dong, Ze-Zhou Lin, Hong-Zhou Zhang, Xuan-Ming Chang, Pei-Yu Hou, Xi-Jin Xu, Lian-Qi Zhang

{"title":"Enabling structurally and thermally stable ultrahigh-Ni and Co-free oxide cathodes by Nb-dopant-enriched surface","authors":"Mao-Sheng Gong, Jia-Cheng Li, Feng Li, Mo-Han Dong, Ze-Zhou Lin, Hong-Zhou Zhang, Xuan-Ming Chang, Pei-Yu Hou, Xi-Jin Xu, Lian-Qi Zhang","doi":"10.1007/s12598-025-03435-3","DOIUrl":"10.1007/s12598-025-03435-3","url":null,"abstract":"<div><p>Inactive cation doping has demonstrated potential in stabilizing high-capacity ultrahigh-Ni layered oxide cathodes. Yet, maximizing their structural and thermal stability with a limited doping content remains a significant challenge. In this study, we have sought to address this challenge by regulating the distribution of cation dopants in polycrystalline material and designing a surface Nb-dopant-enriched ultrahigh-Ni and Co-free cathode. In situ X-ray diffraction and density functional theory calculation demonstrate that surface Nb-dopant enrichment alleviates the H2/H3 phase transition and reduces the volume shrinkage, making the absence of microcracks in the ultrahigh-Ni cathode. Furthermore, the side reactions occurring at the electrode/electrolyte interface are mitigated, leading to a reduction in electrochemical impedance and the facilitation of stable redox contributions. The designed ultrahigh-Ni cathode shows significantly improved structural stability and obtains an outstanding capacity retention of 97.1% even after 400 cycles, which exceeds the 66.5% capacity retention of the pristine cathode. Moreover, the enhanced thermal stability of the surface Nb-dopant-enriched cathode is evidenced by its higher thermal runaway temperature and lower heat release. This proposed strategy offers a feasible solution for stabilizing ultrahigh-Ni cathodes under a low doping content.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 12","pages":"9865 - 9875"},"PeriodicalIF":11.0,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090936","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

Nanopores-coupled SERS platforms on superslippery surfaces using Au&Ag alloy pillars for biomolecules enrichment and detection 利用Au&amp；Ag合金柱在超光滑表面上建立纳米孔耦合SERS平台，用于生物分子富集和检测

1区材料科学

Rare Metals Pub Date : 2025-09-10 DOI: 10.1007/s12598-025-03553-y

Shuangshuang Zhao, Yongjun Zhang, Jiahong Wen, Hong Liang, Wenfeng Zhao, Fan Zhang, Yaxin Wang, Renxian Gao, Kun Zhang, Rufei Cui, Fengyi Zhang, Yang Liu, Shikuan Yang, Xiaoyu Zhao

引用次数: 0

Augmented singlet oxygen (1O2) production via ZnO2/Bi2O2CO3 heterojunction for photodegradation of tetracycline hydrochloride through in-situ self-fenton-like mechanisms ZnO2/Bi2O2CO3异质结增强单线态氧（1O2）产生，通过原位自fenton-like机制光降解盐酸四环素

IF 11 1区材料科学

Rare Metals Pub Date : 2025-09-08 DOI: 10.1007/s12598-025-03538-x

Xiao-Ye Fan, Yi-Da Zhang, Hai-Ou Liang, Man Zhang, Xing-Wei Sun, Jie Bai

{"title":"Augmented singlet oxygen (1O2) production via ZnO2/Bi2O2CO3 heterojunction for photodegradation of tetracycline hydrochloride through in-situ self-fenton-like mechanisms","authors":"Xiao-Ye Fan, Yi-Da Zhang, Hai-Ou Liang, Man Zhang, Xing-Wei Sun, Jie Bai","doi":"10.1007/s12598-025-03538-x","DOIUrl":"10.1007/s12598-025-03538-x","url":null,"abstract":"<div><p>In conventional Photo-Fenton-like systems, singlet oxygen (<sup>1</sup>O<sub>2</sub>) is frequently underestimated due to the predominant activity of hydroxyl radicals (OH). This study reports a nano-rosa-chinensis-like ZnO<sub>2</sub>/Bi<sub>2</sub>O<sub>2</sub>CO<sub>3</sub> heterojunction material, which efficiently generates <sup>1</sup>O<sub>2</sub> and enables the photodegradation of high-concentration tetracycline hydrochloride (TCH) within a self-Fenton-like photocatalysis system. The optimized ZnO<sub>2</sub>/Bi<sub>2</sub>O<sub>2</sub>CO<sub>3</sub> (ZB-35) photocatalyst exhibits robust environmental adaptability in complex aqueous matrices, along with satisfactory reusability and stability. The heterojunction formation mechanism and interfacial electron transfer pathways were elucidated through combined density functional theory (DFT) calculations and in-situ irradiation X-ray photoelectron spectroscopy (IS-XPS) analyses. Radical quenching experiments and electron paramagnetic resonance (EPR) characterization identified <sup>1</sup>O<sub>2</sub> and superoxide radicals (⋅O<sub>2</sub><sup>−</sup>) as the dominant active species. Mechanistic studies suggest that the generation of ⋅O<sub>2</sub><sup>−</sup> originates from the Bi<sub>2</sub>O<sub>2</sub>CO<sub>3</sub>-(103) facet adsorbed O<sub>2</sub> is reduced by the electrons captured by oxygen vacancies in the highly exposed (110) facet. Notably, the self-generated H<sub>2</sub>O<sub>2</sub> facilitates the efficient production of <sup>1</sup>O<sub>2</sub>, which exhibits remarkable degradation performance for high concentrations of TCH through a photo-Fenton-like mechanism.</p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 12","pages":"10243 - 10257"},"PeriodicalIF":11.0,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090932","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

Construction of high safety and stability polymer solid electrolytes for lithium metal batteries via a multifunctional group synergistic mechanism 基于多官能团协同机制构建高安全稳定的锂金属电池用聚合物固体电解质

IF 11 1区材料科学

Rare Metals Pub Date : 2025-09-05 DOI: 10.1007/s12598-025-03561-y

Yong-Qi Wang, Zhao-Jun Chen, Liang Shan, Rong-Wei Huang, Zi-Yi Zhu, Jun-Qiao Ding, Ji-Yue Hou, Yi-Yong Zhang, Xue Li

{"title":"Construction of high safety and stability polymer solid electrolytes for lithium metal batteries via a multifunctional group synergistic mechanism","authors":"Yong-Qi Wang, Zhao-Jun Chen, Liang Shan, Rong-Wei Huang, Zi-Yi Zhu, Jun-Qiao Ding, Ji-Yue Hou, Yi-Yong Zhang, Xue Li","doi":"10.1007/s12598-025-03561-y","DOIUrl":"10.1007/s12598-025-03561-y","url":null,"abstract":"<div><p>Polymer electrolytes based on poly (ethylene oxide) (PEO) show significant potential for use in all solid-state lithium metal batteries. Improving the ionic conductivity, broaden the electrochemical stability window and flame retardant property of solid polymer electrolytes (SPEs) is vital for developing safer, higher-energy–density batteries. This paper introduces an innovative flame retardant strategy based on the unique chemical structure of phosphonitrile fluoride, by incorporating ethoxy pentafluorocyclotriphosphonitrile (PFPN) as a functional additive, the strategy not only reduces PEO crystallinity and improves electrochemical performance at quasi-room temperature but also enhances oxidation resistance and widens the electrochemical window. Additionally, PFPN confers flame retardant properties to PEO, thereby enhancing battery safety and facilitating the creation of a high-performance polymer solid electrolyte. The optimized solid-state electrolyte exhibited an ionic conductivity of 8.2 × 10<sup>–4</sup> S cm<sup>−1</sup> at 60 °C. The electrochemical window was expanded to 5.1 V, and the LiNi<sub>0.8</sub>Co<sub>0.1</sub>Mn<sub>0.1</sub>O<sub>2</sub>/FNOP-10/Li cell maintained a capacity of 123 mAh g<sup>−1</sup> after 100 cycles at 0.2C at 60 °C. And the Li/FNOP-10/Li cell was able to cycle stably for more than 1400 h at a current density of 0.1 mA cm<sup>−2</sup>, and no short-circuiting caused by lithium dendrites was observed. These results demonstrate that the proposed method significantly enhances the overall performance of the electrolyte.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":749,"journal":{"name":"Rare Metals","volume":"44 12","pages":"9905 - 9919"},"PeriodicalIF":11.0,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090811","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