Energy Storage Materials最新文献

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Highly efficient Mn2+ deposition induced by H-vacancies of NiMn-LDH nanosheets for durable zinc ion batteries 镍锰-LDH 纳米片的 H-空穴诱导 Mn2+ 高效沉积,用于制造耐用的锌离子电池
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-05 DOI: 10.1016/j.ensm.2024.103887
Junpeng Li , Xubo Yang , Jinwei Wang , Chunjie Ma , Tingxia Wang , Nailiang Liu , Xiufen Pang , Qian Zhang , Chao Wu , Xifei Li
{"title":"Highly efficient Mn2+ deposition induced by H-vacancies of NiMn-LDH nanosheets for durable zinc ion batteries","authors":"Junpeng Li ,&nbsp;Xubo Yang ,&nbsp;Jinwei Wang ,&nbsp;Chunjie Ma ,&nbsp;Tingxia Wang ,&nbsp;Nailiang Liu ,&nbsp;Xiufen Pang ,&nbsp;Qian Zhang ,&nbsp;Chao Wu ,&nbsp;Xifei Li","doi":"10.1016/j.ensm.2024.103887","DOIUrl":"10.1016/j.ensm.2024.103887","url":null,"abstract":"<div><div>The dissolution of Mn-based oxides cathodes is an urgent issue, as it leads to electrochemically irreversible byproducts and, finally, battery failure. In this work, activated NiMn-LDHv nanosheets with H vacancies are proposed as the cathode material for durable zinc ion batteries. The H vacancies promote Mn<sup>2+</sup> deposition by redistributing the electron density and building strong Mn-O bonds, as a result, endowing NiMn-LDHv with the ability of controllable back-deposition of Mn<sup>2+</sup>. It's verified that MnO<sub>2</sub> is deposited on the NiMn-LHDv substrate during charging, the dissolution and the Zn<sup>2+</sup>/H<sup>+</sup> co-intercalation of MnO<sub>2</sub> have a combined contribution to the discharge capacity. The full battery with NiMn-LDHv cathode delivers rate capacity of 258 mAh g<sup>−1</sup> at 0.3 A g<sup>−1</sup>, and even 90 mAh g<sup>−1</sup> at 11.0 A g<sup>−1</sup>. Furthermore, the irreversible Mn-based byproducts are inhibited, resulting in durable cycling performance. After 2500 charge/discharge cycles, the initial capacity remains 91 %. This work provides an important strategy to utilize Mn<sup>2+</sup> efficiently and develop a robust Mn-based cathode, which could greatly prompt the practical application of aqueous zinc ion batteries.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"74 ","pages":"Article 103887"},"PeriodicalIF":18.9,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142588405","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
Balancing layered ordering and lattice oxygen stability for electrochemically stable high-nickel layered cathode for lithium-ion batteries 平衡层状有序性和晶格氧稳定性,实现电化学稳定的锂离子电池高镍层状阴极
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-04 DOI: 10.1016/j.ensm.2024.103884
Gogwon Choe , Eunseong Choi , Yiseul Yoo , Kyung Yoon Chung , Hee-Dae Lim , Jaesub Kwon , Jaeik Kwak , Sang-Hoon You , Jong-Il Park , Sang Cheol Nam , Kyu-Young Park , Yong-Tae Kim
{"title":"Balancing layered ordering and lattice oxygen stability for electrochemically stable high-nickel layered cathode for lithium-ion batteries","authors":"Gogwon Choe ,&nbsp;Eunseong Choi ,&nbsp;Yiseul Yoo ,&nbsp;Kyung Yoon Chung ,&nbsp;Hee-Dae Lim ,&nbsp;Jaesub Kwon ,&nbsp;Jaeik Kwak ,&nbsp;Sang-Hoon You ,&nbsp;Jong-Il Park ,&nbsp;Sang Cheol Nam ,&nbsp;Kyu-Young Park ,&nbsp;Yong-Tae Kim","doi":"10.1016/j.ensm.2024.103884","DOIUrl":"10.1016/j.ensm.2024.103884","url":null,"abstract":"<div><div>Despite the high-capacity nature of high-nickel cathode materials, achieving their practical implementation is challenging due to the susceptibility of atomic arrangement to calcining conditions. Extensive studies have enlightened the correlation between layered ordering and calcining conditions; nevertheless, the alterations in the electronic structure of lattice oxygen remain obscure. In this study, by comparing cathode materials with varying degrees of layered ordering, achieved through adjustments in calcination temperature and lithium equivalent, it is shown that although layered ordering increases, it compromises the electronic structure, creating a labile lattice oxygen environment. Fine structural analysis reveals that a higher local Li/O ratio in highly ordered cathode subsequently alters the band structure by narrowing the band gap between Ni 3<em>d</em> and O 2<em>p</em>, which enhances transition metal–oxygen covalency, and reduces the oxygen vacancy formation energy, adversely affecting cyclability. In highly ordered cathode, the tendency of lattice oxygen to reside within a Li-enriched environment arises from the changes in the favorability of non-paired antisite defects contingent upon the calcination temperature and lithium equivalent. This research underscores the need to balance layered ordering and lattice oxygen stability, offering important insights for the future design of high-nickel cathodes.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"74 ","pages":"Article 103884"},"PeriodicalIF":18.9,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142579908","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
Outer Helmholtz plane adsorption regulation to achieve low-concentration of pure propylene carbonate solvent electrolytes compatible with graphite anode 通过外螺旋霍兹平面吸附调节实现与石墨阳极兼容的低浓度纯碳酸丙烯酯溶剂电解质
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-04 DOI: 10.1016/j.ensm.2024.103885
Jiaming Jiang , Yuliang Cao , Fei Xu
{"title":"Outer Helmholtz plane adsorption regulation to achieve low-concentration of pure propylene carbonate solvent electrolytes compatible with graphite anode","authors":"Jiaming Jiang ,&nbsp;Yuliang Cao ,&nbsp;Fei Xu","doi":"10.1016/j.ensm.2024.103885","DOIUrl":"10.1016/j.ensm.2024.103885","url":null,"abstract":"<div><div>The low melting point and high polarity of propylene carbonate (PC) make it an ideal solvent for electrolytes of lithium-ion batteries (LIBs), but the incompatibility with graphite anode hinders the application. In the present study, a new method is developed to solve this problem from a new viewpoint. Introduction of saturated LiNO<sub>3</sub> (0.14 mol L<sup>‒1</sup>) into pure PC electrolyte containing lithium salt with normal concentration (1.38 mol L<sup>‒1</sup>) leads to a perfect compatibility with graphite anode. Li/Graphite cell using this pure PC electrolyte shows a reversible capacity of 350.0 mAh g<sup>‒1</sup> and a 200-cycle capacity retention of 96.3 %. Further mechanism study and theoretical computation indicate that the NO<sub>3</sub><sup>‒</sup> anions are adsorbed to outer Helmholtz plane of the electric double layer at the graphite anode interface. This changes the Li<sup>+</sup> solvation structure in the electric double layer, facilitating the Li<sup>+</sup> desolvation process hence resulting in high compatibility with the graphite anode. The most prominent advantage of the present strategy is that, because of the adsorption of NO<sub>3</sub><sup>‒</sup> anions to the outer Helmholtz plane, the compatibility with graphite anode could be improved by introduction of tiny amount of Li salt without large change of the bulk phase properties of the electrolyte. This work provides a new understanding of the compatibility from the viewpoint of outer Helmholtz plane, which might deliver new insights for the optimization of electrolytes for LIBs.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"74 ","pages":"Article 103885"},"PeriodicalIF":18.9,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142580088","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
P-type redox-active organic materials as cathodes for dual-ion batteries : Principles and design strategies 作为双离子电池阴极的 P 型氧化还原活性有机材料:原理与设计策略
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-02 DOI: 10.1016/j.ensm.2024.103879
Miao Zhang , Ruiyuan Zhou , Yingbo Qin , Xuting Zhong , Qingqing Liu , Xiaoqi Han , Fan Zhang , Xuewu Ou , Jie Han , Chun-Sing Lee , Yongbing Tang
{"title":"P-type redox-active organic materials as cathodes for dual-ion batteries : Principles and design strategies","authors":"Miao Zhang ,&nbsp;Ruiyuan Zhou ,&nbsp;Yingbo Qin ,&nbsp;Xuting Zhong ,&nbsp;Qingqing Liu ,&nbsp;Xiaoqi Han ,&nbsp;Fan Zhang ,&nbsp;Xuewu Ou ,&nbsp;Jie Han ,&nbsp;Chun-Sing Lee ,&nbsp;Yongbing Tang","doi":"10.1016/j.ensm.2024.103879","DOIUrl":"10.1016/j.ensm.2024.103879","url":null,"abstract":"<div><div>Dual-ion batteries with p-type redox-active organic materials as cathodes have potential application prospects in the field of energy storage. In this review, we will first introduce the basic anion storage concepts, principles, and characterization methods of organic cathode materials, and then introduce how to design high-performance p-type redox organic cathode materials from the perspectives of capacity, voltage, rate, and cycle-life, as well as the relationship between structure and performance. Next, the effects of solvent molecules and anion species in solute on the performance of p-type organic cathode-based dual-ion batteries will be discussed. Finally, we will share our conclusions and projections for the future research directions of this intriguing topic.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"74 ","pages":"Article 103879"},"PeriodicalIF":18.9,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142566197","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
Surface structure reconstruction to suppress heterogeneous phase transformation for air-stable single crystalline O3-type sodium oxide 重构表面结构以抑制空气稳定的 O3 型单晶氧化钠的异质相变
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-02 DOI: 10.1016/j.ensm.2024.103881
Wei Zhou , Shihao Li , Rui Jin, Yi Zhang, Xianggang Gao, Jie Li, Yanqing Lai, Zhian Zhang
{"title":"Surface structure reconstruction to suppress heterogeneous phase transformation for air-stable single crystalline O3-type sodium oxide","authors":"Wei Zhou ,&nbsp;Shihao Li ,&nbsp;Rui Jin,&nbsp;Yi Zhang,&nbsp;Xianggang Gao,&nbsp;Jie Li,&nbsp;Yanqing Lai,&nbsp;Zhian Zhang","doi":"10.1016/j.ensm.2024.103881","DOIUrl":"10.1016/j.ensm.2024.103881","url":null,"abstract":"<div><div>O3-type layered oxide cathode material for sodium-ion batteries (SIBs) has attracted much attention as one of the most viable candidates due to its high specific capacity and mature synthesis process, while the moisture sensitivity and harmful phase transformation lead to poor processing properties and unsatisfactory life-span, hindering its large-scale and commercial application. Herein, single crystallization strategy is adopted to enhance air stability and processing performance, and surface structure reconstruction for single crystalline cathode material O3-NaNi<sub>1/3</sub>Fe<sub>1/3</sub>Mn<sub>1/3</sub>O<sub>2</sub> by ammonium tetraborate pretreatment is employed to further remove residual alkali and improve sodium ions diffusion dynamics and suppress heterogeneous phase transformation<strong>,</strong> achieving superior structure stability. Surface residual alkali is in-situ converted into a protective coating layer of Na<sub>2</sub>B<sub>4</sub>O<sub>7</sub> and meanwhile partial B atoms enter into the interstitial site of sub-surface or near surface, which accelerates sodium ions transport as well as enhances TM-O bonding and hybridization of surface O (2p)-Fe (3d-t<sub>2</sub><sub>g</sub>) orbital, inhibits TMO6 slabs gliding and strengthens structure on the surface and near surface. Additionally, the formed boron-rich surface exhibits high stability, effectively alleviating structural degradation from surface to bulk and enhancing air stability. Benefiting from the reconstructed surface structure, the modified single crystalline oxides (NFM@B) exhibit distinguished processing performance and electrochemical properties.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"74 ","pages":"Article 103881"},"PeriodicalIF":18.9,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142566194","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
A comprehensive review of carbon-based air cathode materials for advanced non-aqueous lithium–air batteries 用于先进非水锂离子空气电池的碳基空气负极材料综述
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-01 DOI: 10.1016/j.ensm.2024.103874
Amol M. Kale , Seul-Yi Lee , Soo-Jin Park
{"title":"A comprehensive review of carbon-based air cathode materials for advanced non-aqueous lithium–air batteries","authors":"Amol M. Kale ,&nbsp;Seul-Yi Lee ,&nbsp;Soo-Jin Park","doi":"10.1016/j.ensm.2024.103874","DOIUrl":"10.1016/j.ensm.2024.103874","url":null,"abstract":"<div><div>Lithium–air batteries (LABs) present a promising solution for future energy storage due to their exceptional energy density and potential to address imminent energy and environmental challenges. The complicated generation and breakdown of Li<sub>2</sub>O<sub>2</sub> at the air-cathode is the main cause of the durability and stability problems that LABs encounter. These problems are not merely related to low catalytic efficiency; instead, problems are made worse by restricted charge/discharge reversibility along with side-product generation in open-air. Furthermore, the function of solid‒phase electrocatalysts is still controversial, particularly when Li<sub>2</sub>O<sub>2</sub> generation is involved. This makes the hunt for efficient air-cathode materials more challenging. Since their inception in 1996, carbon has been crucial in advancing LAB technology, enhancing our understanding of its mechanisms and applications. This review examines advances in carbon materials and chemistry for LABs, focusing on structural characteristics, electrochemical behavior, and mechanistic insights. Air-cathode materials are categorized into carbon nanotubes (CNTs), carbon nanofibers (CNFs), graphene, bio-waste-derived carbons, and metal–organic frameworks (MOFs)-derived carbons. Additionally, the review evaluates the design, synthesis strategies, and electrochemical performance of these carbon-based air-cathode materials. It also explores oxygen-selective membranes (OSMs) as a potential solution to mitigate the adverse effects of H<sub>2</sub>O and CO<sub>2</sub> in ambient air, which lead to the formation of Li<sub>2</sub>O<sub>2</sub> and reactions with the electrolyte and Li anode in open-air systems. In conclusion, this review addresses the current challenges faced by LABs and highlights the potential for further research and development in this field.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"73 ","pages":"Article 103874"},"PeriodicalIF":18.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142541904","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
Corrigendum to “Degradation mechanism and assessment for different cathode based commercial pouch cells under different pressure boundary conditions” [Volume 73, November 2024, 103793] <第 73 卷,2024 年 11 月,103793> 更正
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-11-01 DOI: 10.1016/j.ensm.2024.103811
Kaixin Chen , Yahui Xu , Hang Wu , Jiangong Zhu , Xueyuan Wang , Siqi Chen , Xuezhe Wei , Haifeng Dai
{"title":"Corrigendum to “Degradation mechanism and assessment for different cathode based commercial pouch cells under different pressure boundary conditions” [Volume 73, November 2024, 103793]","authors":"Kaixin Chen ,&nbsp;Yahui Xu ,&nbsp;Hang Wu ,&nbsp;Jiangong Zhu ,&nbsp;Xueyuan Wang ,&nbsp;Siqi Chen ,&nbsp;Xuezhe Wei ,&nbsp;Haifeng Dai","doi":"10.1016/j.ensm.2024.103811","DOIUrl":"10.1016/j.ensm.2024.103811","url":null,"abstract":"","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"73 ","pages":"Article 103811"},"PeriodicalIF":18.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142321020","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
For elements-utilization regeneration of spent LiFePO4: Designed basic precursors for advanced polycrystal electrode materials 废旧磷酸铁锂的元素利用再生:先进多晶电极材料的基础前驱体设计
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-10-30 DOI: 10.1016/j.ensm.2024.103863
Shuya Lei , Wenqing Zhao , Jiexiang Li , Shaole Song , Wei Sun , Peng Ge , Yue Yang
{"title":"For elements-utilization regeneration of spent LiFePO4: Designed basic precursors for advanced polycrystal electrode materials","authors":"Shuya Lei ,&nbsp;Wenqing Zhao ,&nbsp;Jiexiang Li ,&nbsp;Shaole Song ,&nbsp;Wei Sun ,&nbsp;Peng Ge ,&nbsp;Yue Yang","doi":"10.1016/j.ensm.2024.103863","DOIUrl":"10.1016/j.ensm.2024.103863","url":null,"abstract":"<div><div>Spent lithium iron phosphate (LFP) is commonly recovered by hydrometallurgy to prepare Li<sub>2</sub>CO<sub>3</sub> and FePO<sub>4</sub>, but suffering from long process and low value-added products. Hydrothermal method avoids element separation and regenerates LFP materials directly from leaching solution of spent LFP. However, it requires three-time the theoretical amount of lithium. In this study, using LiFePO<sub>4</sub>(OH) (LFPOH) as a medium, LFP materials were regenerated with theoretical amount of lithium in virtue of energetically favorable reaction of Li-ions into the internal structure. The formation mechanism of LFPOH and LFP materials were investigated, and advanced polycrystal LFP materials with fast ions-diffusion ability and high reversibility were obtained. The capacities of recovered LFP materials are 156.17 mAh g<sup>−1</sup>, 148.51 mAh g<sup>−1</sup>, 138.34 mAh g<sup>−1</sup>, 124.1 mAh g<sup>−1</sup> at 0.2 C, 0.5 C, 1 C and 2 C, respectively and their capacity could be remained 139.92 mAh g<sup>−1</sup> at 1 C with retention of almost 100 % after 200 cycles. Moreover, with the assistance of economic analysis, the designed regenerated path displayed considerable recycling value-potential, especially the reducing of Li-resources (from three-time to one-time). This study sheds light on designing polycrystal recovered LFP with help of basic medium, whilst provides an effective strategy for preparing high-performance LFP materials.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"74 ","pages":"Article 103863"},"PeriodicalIF":18.9,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142541903","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
Innovative synthesis and sodium storage enhancement of closed-pore hard carbon for sodium-ion batteries 用于钠离子电池的闭孔硬质碳的创新合成与钠存储增强技术
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-10-28 DOI: 10.1016/j.ensm.2024.103867
Weining Li , Junfeng Li , Bernard Wiafe Biney , Yingchun Yan , Xiaping Lu , Heng Li , He Liu , Wei Xia , Dong Liu , Kun Chen , Aijun Guo
{"title":"Innovative synthesis and sodium storage enhancement of closed-pore hard carbon for sodium-ion batteries","authors":"Weining Li ,&nbsp;Junfeng Li ,&nbsp;Bernard Wiafe Biney ,&nbsp;Yingchun Yan ,&nbsp;Xiaping Lu ,&nbsp;Heng Li ,&nbsp;He Liu ,&nbsp;Wei Xia ,&nbsp;Dong Liu ,&nbsp;Kun Chen ,&nbsp;Aijun Guo","doi":"10.1016/j.ensm.2024.103867","DOIUrl":"10.1016/j.ensm.2024.103867","url":null,"abstract":"<div><div>Hard carbon with abundant closed-pore structures holds significant promise as an anode material for sodium-ion batteries. In this work, a one-step process was pioneered to produce porous carbon with abundant open-pore structures from walnut shells. Subsequently, small aromatic compounds derived from the pyrolysis of polystyrene were deposited into the pores of the porous carbon, forming hard carbon material with abundant closed-pore structures. The resulting hard carbon anode (WS-PS-1200) demonstrated a high capacity of 385 mAh g<sup>−1</sup> at 50 mA g<sup>−1</sup>, with a corresponding plateau capacity of 225 mAh g<sup>−1</sup>. It also exhibited an impressive initial Coulombic efficiency (ICE) of 88 % and excellent rate performance, compared to an ICE of only 57.5 % in the anode obtained by direct carbonization. By utilizing 3D time-of-flight secondary-ion mass spectrometry (3D TOF-SIMS) and depth-profiling X-ray photoelectron spectroscopies (XPS) characterization methods to analyze the solid electrolyte interface (SEI), the results indicate that reducing the open-pore structure can minimize the decomposition of the electrolyte, leading to an SEI composition that tends towards inorganic phases. To verify the practical applicability of WS-PS-1200, it was assembled into a full cell with Na<sub>3</sub>V<sub>2</sub>(PO<sub>4</sub>)<sub>3</sub>, achieving a capacity of 305 mAh g<sup>−1</sup> (0.03 A g<sup>−1</sup>) and excellent rate performance. Moreover, the assembled all-carbon sodium-ion hybrid capacitor exhibits an energy density of 101 Wh kg<sup>−</sup><sup>1</sup>. This study not only introduces a new strategy for preparing hard carbon with closed pores but also successfully converts waste polystyrene and walnut shells into high-value materials, offering an innovative method for synthesizing hybrid capacitor electrode materials.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"74 ","pages":"Article 103867"},"PeriodicalIF":18.9,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142519363","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
Carbon-binder-domain porosity extraction through lithium-ion battery electrode impedance data 通过锂离子电池电极阻抗数据提取碳粘结剂域孔隙率
IF 18.9 1区 材料科学
Energy Storage Materials Pub Date : 2024-09-30 DOI: 10.1016/j.ensm.2024.103818
Sergio Pinilla , Franco M. Zanotto , Diana Zapata Dominguez , Tomás García , Alejandro A. Franco
{"title":"Carbon-binder-domain porosity extraction through lithium-ion battery electrode impedance data","authors":"Sergio Pinilla ,&nbsp;Franco M. Zanotto ,&nbsp;Diana Zapata Dominguez ,&nbsp;Tomás García ,&nbsp;Alejandro A. Franco","doi":"10.1016/j.ensm.2024.103818","DOIUrl":"10.1016/j.ensm.2024.103818","url":null,"abstract":"<div><div>In the field of 3-D resolved computational modelling of Lithium-ion battery electrodes, the arrangement and properties of the Carbon-Binder-Domain (CBD) play a critical role in the ion and electron transport properties through their impact on the electrode tortuosity factor. However, until now, the CBD porosity value -its main descriptor in terms of transport properties and occupied volume- has been determined through educated guesses due to the lack of an experimental approach. Here, a novel methodology is reported for the determination of the CBD internal porosity through the combination of computational modelling and experimental electrochemical impedance spectroscopy (EIS). The methodology is based on the creation of a calibration curve that relates tortuosity factor with CBD porosity through digital stochastic generation of electrode microstructures and diffusivity characterization. The curve is then compared to the EIS experimental results and analyzed through a transmission line model, yielding a good estimation of the parameters. In this work, the usefulness and the identified limitation of this approach are demonstrated using three different formulations of LiNi<sub>0.3</sub>Mn<sub>0.3</sub>Co<sub>0.3</sub>O<sub>2</sub> (NMC 111) cathodes. To the best of the authors’ knowledge, this is the first reported method for estimating CBD porosity.</div></div>","PeriodicalId":306,"journal":{"name":"Energy Storage Materials","volume":"74 ","pages":"Article 103818"},"PeriodicalIF":18.9,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142360399","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
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