Energy Storage Materials最新文献_第2页

Prolonged cycle life of composite cathodes via ionically permeable Li3PO4 surface engineering on conductive agents to suppress degradation of sulfide solid electrolytes

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104193

Younghoon Jo , Hongjun Chang , Chaeyeon Ha , Hyeongjun Choi , Taesun Song , Yeonghoon Kim , Janghyuk Moon , Young-Jun Kim

{"title":"Prolonged cycle life of composite cathodes via ionically permeable Li3PO4 surface engineering on conductive agents to suppress degradation of sulfide solid electrolytes","authors":"Younghoon Jo , Hongjun Chang , Chaeyeon Ha , Hyeongjun Choi , Taesun Song , Yeonghoon Kim , Janghyuk Moon , Young-Jun Kim","doi":"10.1016/j.ensm.2025.104193","DOIUrl":"10.1016/j.ensm.2025.104193","url":null,"abstract":"<div><div>Sulfide-based all-solid-state batteries (ASSBs) are promising candidates for next-generation energy storage systems owing to their notable ionic conductivity and stability against explosions. However, the low chemical stability of sulfide-based solid electrolytes (SSEs) causes problems at their interfaces with other electrode components. Among them, addressing the side reactions between conductive agents and SSEs is crucial for commercialization. Herein, a conductive agent surface-modified with Li3PO4 is employed to enhance the interfacial stability of SSEs. Density functional theory-based analysis reveals that Li3PO4, characterized by strong inter-element bonding, exhibits high ionic conductivity and stability at the interface with SSEs. Electrochemical measurements confirm that Li3PO4-coated conductive agents suppress the interfacial decomposition of SSEs, thereby securing the targeted ionic conductivity in the composite cathode. Consequently, ASSBs adopting surface-engineered conductive agents demonstrate remarkable rate capability (153.6 mAh g−1 at 2 C) and cycle performance (88.8 % retention over 1000 cycles) with a high areal capacity (4 mAh cm−2). This study provides a novel concept for conductive agents that enhance charge transport characteristics and mitigate SSE degradation, paving the way for the development of long cycle life ASSBs.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104193"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703032","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

Towards high-performance sodium-ion batteries: A comprehensive review on NaxNiyFezMn1−(y+z)O2 cathode materials

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104212

Alibi Namazbay , Maksat Karlykan , Lunara Rakhymbay , Zhumabay Bakenov , Natalia Voronina , Seung-Taek Myung , Aishuak Konarov

{"title":"Towards high-performance sodium-ion batteries: A comprehensive review on NaxNiyFezMn1−(y+z)O2 cathode materials","authors":"Alibi Namazbay , Maksat Karlykan , Lunara Rakhymbay , Zhumabay Bakenov , Natalia Voronina , Seung-Taek Myung , Aishuak Konarov","doi":"10.1016/j.ensm.2025.104212","DOIUrl":"10.1016/j.ensm.2025.104212","url":null,"abstract":"<div><div>Sodium-ion batteries (SIBs) are potential candidates for next-generation grid-scale energy storage owing to their safety as well as the abundance of sodium resources. Further progress in SIB technology demands the advancement of cathode materials with outstanding performance. Among various cathode materials, layered transition metal oxides based on Ni, Fe, and Mn (NaNFM) have recently received great attention by combining the positive features of each of them. This review focuses on the most current developments in the study and design of NaNFM (NaxNiyFezMn1−(y+z)O2) as a cathode material for SIBs, including synthesis methods, crystal structure/structural evolution during charge–discharging, and the effect of different molar ratios. Adjusting the transition elements enables formation in several phases that promote Na-ion diffusion, resulting in high-rate capability and cycle stability. Moreover, key strategies to improve the electrochemical performance through doping and surface modifications are discussed. Future optimization of these materials shows potential for enormous opportunities for implementing cost-effective and high-performance energy -storage technologies.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104212"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143723843","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

Polymer dielectrics intercalated with a non-contiguous granular nanolayer for high-temperature pulsed energy storage

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104213

Peng Yin , Li Lei , Qingyang Tang , Davoud Dastan , Yao Liu , Hong Wang , Zhicheng Shi

{"title":"Polymer dielectrics intercalated with a non-contiguous granular nanolayer for high-temperature pulsed energy storage","authors":"Peng Yin , Li Lei , Qingyang Tang , Davoud Dastan , Yao Liu , Hong Wang , Zhicheng Shi","doi":"10.1016/j.ensm.2025.104213","DOIUrl":"10.1016/j.ensm.2025.104213","url":null,"abstract":"<div><div>Polymer dielectrics suffer from significant degradation in energy density and charge–discharge efficiency at high temperatures, and incorporating inorganic nanofillers into polymer is the most straightforward and effective approach to ameliorate this behavior. However, the nanofillers are prone to form aggregated state driven by surface energy and electrostatic forces, compromising high-temperature energy storage performance of dielectrics. Here, we propose a unique non-contiguous granular intercalation strategy to solve the nanofiller aggregation problem. Specifically, an intercalation consisting of non-contiguous distributed aluminum@alumina (Al@AlOx) core–shell nanoparticles is introduced into polyetherimide (PEI) matrix via sputtering reaction. It should be noted that the non-contiguous distribution of nanoparticles within the intercalation ensures discontinuous charge transport, which prevents the formation of conductive network within the nanocomposite. Additionally, benefiting from charge trap induced by wide-bandgap AlOx shell and Coulomb blockade effect of Al core, the charge transport is significantly suppressed. The nanocomposite achieves ultrahigh energy densities of 9.0 J cm⁻3 at 150 °C and 6.2 J cm⁻3 at 200 °C, with charge–discharge efficiencies ≥ 90 %. This work offers a promising pathway for the design of high-temperature energy storage dielectrics and holds huge potential for scalable fabrication.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104213"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143767710","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

Advanced design strategies for enhancing the thermal stability of Ni-rich co-free cathodes towards high-energy power lithium-ion batteries

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104216

Hao Ge , Bei Huang , Chaoyue Wang , Longhui Xie , Ruicong Pan , Xiaoman Cao , Zhijia Sun

{"title":"Advanced design strategies for enhancing the thermal stability of Ni-rich co-free cathodes towards high-energy power lithium-ion batteries","authors":"Hao Ge , Bei Huang , Chaoyue Wang , Longhui Xie , Ruicong Pan , Xiaoman Cao , Zhijia Sun","doi":"10.1016/j.ensm.2025.104216","DOIUrl":"10.1016/j.ensm.2025.104216","url":null,"abstract":"<div><div>The global market share of electric vehicles has rapidly grown from ∼10 % in 2022 to ∼18 % in 2024. However, safety issue is a crucial obstacle hindering the commercialization of high-energy lithium-ion batteries. The inferior thermal stability exhibited by high-energy Ni-rich cathodes has severely affected their practical application in LIBs. Particularly, Co in Ni-rich cathodes promotes lattice oxygen release, leading to reduced structural and thermal stability. Therefore, the development of Ni-rich Co-free cathode materials (NRCFs) is promising. Herein, the detrimental effects of Co on the thermal stability of Ni-rich layered oxides are demonstrated. Thereafter, we summarize in detail the popular modification strategies and mechanisms for enhancing the thermal stability of NRCFs. Finally, conclusions and future challenges and prospects for boosting the thermal stability of NRCFs are presented. Notably, synergistic modification strategies combining high-entropy doping and surface coating in single-crystal cathode materials is an efficient approach to significantly improve the thermal stability. Understanding the thermal stability of NRCFs has become urgent for the large-scale application of high-energy LIBs. More effective thermal safety strategies will be aroused to promote the development of next-generation power LIBs. This review aims to inspire further exploration of safer NRCFs featuring higher reversible capacity, attracting interest from both academic and industrial communities to accelerate the commercialization of NRCFs and promote the sustainable development of high-energy LIBs.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104216"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143734486","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

Engineering high-performance argyrodite sulfide electrolytes via metal halide doping for all-solid-state lithium metal batteries

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104221

Yang Li , Gang Wu , Xiaomeng Fan , Dabing Li , Hong Liu , Xiaoxue Zhao , Wanqing Ren , Peng Lei , Xianyi Zhao , Xun Wang , Guoxu Wang , Lei Gao , Ce-Wen Nan , Li-Zhen Fan

{"title":"Engineering high-performance argyrodite sulfide electrolytes via metal halide doping for all-solid-state lithium metal batteries","authors":"Yang Li , Gang Wu , Xiaomeng Fan , Dabing Li , Hong Liu , Xiaoxue Zhao , Wanqing Ren , Peng Lei , Xianyi Zhao , Xun Wang , Guoxu Wang , Lei Gao , Ce-Wen Nan , Li-Zhen Fan","doi":"10.1016/j.ensm.2025.104221","DOIUrl":"10.1016/j.ensm.2025.104221","url":null,"abstract":"<div><div>Solid-state electrolytes (SSEs) play a crucial role in the operation of all-solid-state lithium metal batteries (ASSLMBs). Among them, sulfide SSEs have attracted particular attention due to their high ionic conductivity. However, the incompatibility of sulfide SSEs with lithium anodes and the inherent air instability severely impact battery cycling performance. Here, we successfully synthesize halogen-rich lithium argyrodites with the general formula Li5.5 + 3xP1−xCuxS4.5Cl1.5 − 2xBr2x. The incorporation of Cu and Br alter the spatial arrangement and electronic distribution of structure. Given that the anion disorder positively affects Li-ion dynamics, the ultrahigh ionic conductivity of 10.3 mS cm−1 at room temperature has been achieved in Li5.8P0.9Cu0.1S4.5Cl1.3Br0.2 (LPSC-CB). Importantly, benefiting from the robust and stable interlayer, the lithium symmetric batteries deliver prolonged plating/stripping over 3000 h at 0.2 mA cm−2. Furthermore, the density functional theory calculations were used to prove the mechanisms of high chemical stability. Notably, the LPSC-CB electrolyte has remarkable applicability in ASSLMBs. The full batteries of FeS2/LPSC-CB/Li deliver outstanding discharge-specific capacities of 788.9 mAh g−1 and robust cycling stability (>4.02 mAh cm−2 after 200 cycles). The versatile CuBr2 substitution in the most promising argyrodite electrolytes is considered as a valid strategy to realize high ionic conductivity and air-stabilized sulfide SSEs for large-scale applications.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104221"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143737274","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

Achieving superior high-temperature capacitance performance in aromatic polyetherimide with bulky fluorine substituent

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104206

Xinru Yang, Yang Feng, Peiyan Liu, Liuhao Jiang, Shuo Zhang, Yifan Wu, Shengtao Li

{"title":"Achieving superior high-temperature capacitance performance in aromatic polyetherimide with bulky fluorine substituent","authors":"Xinru Yang, Yang Feng, Peiyan Liu, Liuhao Jiang, Shuo Zhang, Yifan Wu, Shengtao Li","doi":"10.1016/j.ensm.2025.104206","DOIUrl":"10.1016/j.ensm.2025.104206","url":null,"abstract":"<div><div>The rapid development of electronic and electrical power equipment has increased the demand for dielectric materials with high-temperature energy storage performances. However, the mutual restrictions imposed by the glass transition temperature (Tg) and bandgap (Eg) limit the use of commercial polyetherimide (PEI) under extreme conditions. In this work, we propose a strategic modular structure design to balance a high Tg and large Eg by modulating the substituents in the biphenyl structure of modified PEI. Both experimental results and theoretical simulations indicates that owing to its electron-withdrawing nature, a bulky -CF3 substituent not only increases the bandgap but also decreases the conjugation effect of the biphenyl structure, while having a minimal effect on Tg. This significantly shortens the hopping distance of the carriers, ultimately improving the high-temperature breakdown strength (Eb) and thus the capacitance performance of PEI. The modified PEI with the bulky -CF3 achieves a discharge energy density (Ue) of 8.01 J/cm3 with an efficiency (η) of 91.9 % at 150 °C and an Ue of 5.3 J/cm3 with an η of 90.4 % at 200 °C, which exceeds the performance of most of current high-temperature dielectric polymers. The results of this study provide technical support for the developing of high-performance, flexible dielectric capacitors.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104206"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143695827","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

High-stability zinc anodes modulated by solvation structure and interface chemistry toward printable zinc-ion capacitors

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104214

Quancai Li, Weinan Tang, Guilin Tang, Qian Wang, Qun Liu, Hehe Ren, Panwang Guo, Ke Zheng, Ziyi Gong, Jing Liang, Wei Wu

{"title":"High-stability zinc anodes modulated by solvation structure and interface chemistry toward printable zinc-ion capacitors","authors":"Quancai Li, Weinan Tang, Guilin Tang, Qian Wang, Qun Liu, Hehe Ren, Panwang Guo, Ke Zheng, Ziyi Gong, Jing Liang, Wei Wu","doi":"10.1016/j.ensm.2025.104214","DOIUrl":"10.1016/j.ensm.2025.104214","url":null,"abstract":"<div><div>Despite the well-known advantages of aqueous zinc-ion energy storage devices, their development is hindered by challenges such as zinc dendrite formation and side reactions. Moreover, reducing costs and improving efficiency are essential to achieving their commercialization. This study addresses the issues associated with conventional zinc sulfate electrolytes by introducing a safe and moderate concentration of glycerophosphocholine (G) as an additive. Experimental characterization and theoretical calculations show that additive G molecules regulate the solvation structure of zinc ions and modify the adsorption behavior of zinc metal at the electrolyte interface. This dual action suppresses the decomposition of active water molecules and guides the oriented deposition of zinc ions. From the perspective of practical application, high-performance zinc-ion hybrid capacitors are fabricated using fully printed electrodes via a cost-effective and scalable screen-printing method and possess a high capacity retention of 87.09 % after 6000 cycles. These devices demonstrate exceptional electrochemical performance and can accelerate the lab-to-fab translation process, showing great potential for commercialization.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104214"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143723844","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

Mechano-Electrical Buffer Layer at Grain Boundary Induced Solid State Electrolyte with Ultra-High Mechanical Strength and Electrical Insulation for Stable Lithium Metal Batteries

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104198

Fan Wang , Ming Zhang , Zixuan Fang , Haiping Zhou , Jintian Wu , Ziqiang Xu , Naixun Zhou , Yihang Zhang , Zhi Zeng , Mengqiang Wu

{"title":"Mechano-Electrical Buffer Layer at Grain Boundary Induced Solid State Electrolyte with Ultra-High Mechanical Strength and Electrical Insulation for Stable Lithium Metal Batteries","authors":"Fan Wang , Ming Zhang , Zixuan Fang , Haiping Zhou , Jintian Wu , Ziqiang Xu , Naixun Zhou , Yihang Zhang , Zhi Zeng , Mengqiang Wu","doi":"10.1016/j.ensm.2025.104198","DOIUrl":"10.1016/j.ensm.2025.104198","url":null,"abstract":"<div><div>The high sintering temperature, low mechanical properties and instability of lithium metal have consistently hindered the practicality of Li1.3Al0.3Ti1.7(PO4)3 (LATP) solid-state electrolytes (SSEs). Herein, a meticulously designed mechano-electrical buffer layer is constructed at grain boundaries (GBs) of LATP by introducing Li2B4O7 (LBO) glass-ceramic. LBO can generate a liquid phase with high Young's modulus and low electronic conductivity at GBs to simultaneously reduce sintering temperature, and enhance the mechanical strength and electrical insulation of LATP. The construction of a mechano-electrical buffer layer at GBs leads to three significant achievements: the reduced sintering temperature from 950 to 750 °C, the enhanced mechanical strength from 9.9 to 117.5 MPa, and the decreased electronic conductivity from 1.2 × 10-9 to 1.5 × 10-10 S cm-1. When coupled with a solid polymer electrolyte, it effectively protects LATP from internal microcrack propagation and electron attack. Remarkably, the critical current density (CCD) of the modified LATP can reach 2 mA cm-2. Moreover, the lithium metal battery with LiFePO4 demonstrates outstanding stability of more than 1000 cycles with a capacity retention of 93.3% at 0.2 C. This work provides new insights into improving the performance of SSEs by enhancing both mechanical strength and electrical insulation.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104198"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143677801","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

Enhanced lithium polysulfide adsorption and reaction with cobalt-doped spinel additives for robust lithium-sulfur batteries

IF 18.9 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104207

Jesús Chacón-Borrero , Xuede Qi , Xuesong Zhang , Armando Berlanga-Vázquez , Xingqi Chang , Guillem Montaña-Mora , Karol V. Mejía-Centeno , Helena Rabelo Freitas , María Chiara Spadaro , Jordi Arbiol , Jordi Llorca , Pablo Guardia , Xueqiang Qi , Chao Yue Zhang , Andreu Cabot

{"title":"Enhanced lithium polysulfide adsorption and reaction with cobalt-doped spinel additives for robust lithium-sulfur batteries","authors":"Jesús Chacón-Borrero , Xuede Qi , Xuesong Zhang , Armando Berlanga-Vázquez , Xingqi Chang , Guillem Montaña-Mora , Karol V. Mejía-Centeno , Helena Rabelo Freitas , María Chiara Spadaro , Jordi Arbiol , Jordi Llorca , Pablo Guardia , Xueqiang Qi , Chao Yue Zhang , Andreu Cabot","doi":"10.1016/j.ensm.2025.104207","DOIUrl":"10.1016/j.ensm.2025.104207","url":null,"abstract":"<div><div>Sulfur-based cathodes offer a promising high-energy-density alternative to conventional lithium-ion batteries. However, their commercial viability is hindered by limited stability due to the gradual loss of active sulfur during cycling. This study addresses this challenge by introducing a cobalt-doped spinel oxide as a catalytic additive, designed to enhance the performance and stability of sulfur cathodes with minimized cobalt usage. Small amounts of cobalt doping improve the adsorption of sulfur species through stronger electronic interactions with antibonding orbitals and accelerate charge transfer, thereby promoting more efficient sulfur redox reactions. Cobalt also lowers the energy barrier for Li2S formation, a critical step in the cycling process. Specifically, Co-doped MnFe2O4 with 2.4 wt % Co demonstrates a remarkable initial capacity of 1302 mAh/g at 0.1C, excellent rate capability with 700 mAh/g at 4C, and stable cycling performance with an average capacity decay of just 0.03 % per cycle at 0.5C over 200 cycles. Overall, this work underscores the potential of cobalt-doped spinel structures as catalytic additives to mitigate the limitations of sulfur cathodes, paving the way for more stable and high-performance lithium-sulfur batteries.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"77 ","pages":"Article 104207"},"PeriodicalIF":18.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143695825","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

Two-dimensional Ⅳ-Ⅴ compound monolayers: first principles insights for sodium ion battery anode applications 二维 Ⅳ-Ⅴ 复合单层：钠离子电池阳极应用的第一原理启示

IF 20.4 1区材料科学

Energy Storage Materials Pub Date : 2025-04-01 DOI: 10.1016/j.ensm.2025.104224

Lingxia Li, Wenbo Zhang, Jiayin Zhang, Junqiang Ren, Xin Guo, Xuefeng Lu

{"title":"Two-dimensional Ⅳ-Ⅴ compound monolayers: first principles insights for sodium ion battery anode applications","authors":"Lingxia Li, Wenbo Zhang, Jiayin Zhang, Junqiang Ren, Xin Guo, Xuefeng Lu","doi":"10.1016/j.ensm.2025.104224","DOIUrl":"https://doi.org/10.1016/j.ensm.2025.104224","url":null,"abstract":"Two-dimensional materials have acquired considerable concerns in sodium-ion batteries although there are some challenges involving the number of active sites and structural stability. In this present contribution, the electrochemical nature of proposed GeSiP2 and GeSiSb2 monolayers as anode materials are systematically predicted through first-principles calculations. The results indicate that the compounds have the dynamic and mechanical stability according to phonon dispersion curves and cohesive energies. They are internally bonded by covalent bonds and retain better electrical conductivity after embedding sodium. The lower migration barrier of 0.074 eV from the Hollow site of six-membered ring to that of an adjacent ring can be obtained in the Sb-Si terminal case for GeSiSb2, with the suitable diffusion coefficient of 0.69 × 10-3 cm2/s. Additionally, there are lattice constant changes of 13.7% and 3.89% after adsorption of the maximum Na atom concentration for GeSiP2 and GeSiSb2, respectively, ensuring structural stability during cycling. Moreover, the maximum theoretical specific capacities of 988.58 mAh/g and 467.14 mAh/g, with suitable average open-circuit voltages of 0.48 V and 0.37 V, respectively, can be determined. All these findings illustrate that these two compounds display great potential as electrode materials for metal-ion batteries in the field of energy storage.","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"33 1","pages":""},"PeriodicalIF":20.4,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143758529","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