Journal of Power Sources Advances最新文献_第5页

Unraveling the importance of water ratio in direct lithium-ion battery cathode recycling 揭示水比在锂离子电池正极直接回收中的重要性

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-10-01 DOI: 10.1016/j.powera.2023.100131

Felix Nagler , Nino Christian , Philip Daubinger , Andreas Flegler , Michael Hofmann , Guinevere A. Giffin

{"title":"Unraveling the importance of water ratio in direct lithium-ion battery cathode recycling","authors":"Felix Nagler , Nino Christian , Philip Daubinger , Andreas Flegler , Michael Hofmann , Guinevere A. Giffin","doi":"10.1016/j.powera.2023.100131","DOIUrl":"https://doi.org/10.1016/j.powera.2023.100131","url":null,"abstract":"<div><p>This study investigates the impact of water ratio on the direct aqueous recycling of NMC811. Three different ratios of NMC811 to water were examined. The results demonstrate that the water ratio significantly affects the electrochemical performance of NMC811. Capacity fading is observed in all water-exposed samples, with the sample having the lowest water ratio showing less fading compared to the samples processed with higher water ratios. Both samples with higher water ratios exhibit similar performance, suggesting an equilibrium at the NMC811-water interface is established. Characterization of the cathode materials reveals variations in the amount and type of surface species. The pristine sample, not exposed to water, only shows Li<sub>2</sub>CO<sub>3</sub> and NiO as surface species, while the water-exposed NMC811 samples exhibit nickel carbonates and hydroxides along with associated water. The poorer performance of samples exposed to higher water ratios is likely due to higher amounts of these species forming on the particle surface. Additionally, lithium, cobalt, and manganese carbonates, as well as lithium hydroxide with associated water, are detected and could further contribute to the poorer performance.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"24 ","pages":"Article 100131"},"PeriodicalIF":4.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666248523000239/pdfft?md5=a837c9a86a7c9b02fddad3dd7a48ff45&pid=1-s2.0-S2666248523000239-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92100703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Free-standing SnSe@C nanofiber anode material for low-temperature lithium-ion batteries 用于低温锂离子电池的独立SnSe@C纳米纤维负极材料

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-10-01 DOI: 10.1016/j.powera.2023.100128

Aiym Rakhmetova , Ayaulym Belgibayeva , Gulnur Kalimuldina , Arailym Nurpeissova , Zhumabay Bakenov

引用次数: 0

MnO2 nanotube/GO composite anode for high performance lithium-ion capacitor 高性能锂离子电容器用二氧化锰纳米管/氧化石墨烯复合阳极

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-10-01 DOI: 10.1016/j.powera.2023.100130

M. Binari , A.C. Lokhande , F. AlMarzooqi , Daniel S. Choi

{"title":"MnO2 nanotube/GO composite anode for high performance lithium-ion capacitor","authors":"M. Binari , A.C. Lokhande , F. AlMarzooqi , Daniel S. Choi","doi":"10.1016/j.powera.2023.100130","DOIUrl":"https://doi.org/10.1016/j.powera.2023.100130","url":null,"abstract":"<div><p>Li-ion capacitors (LICs) have emerged as promising energy storage devices within the electronic industry. The performance of LICs is predominantly influenced by the electrode material utilized, making the proper selection and development of said material of utmost importance. This study focuses on fabricating a composite electrode material using a simple, cost-effective, and environmentally friendly technique, combining Manganese dioxide (MnO<sub>2</sub>) nanotube and graphene oxide (GO). The low cost, high natural abundance, and high theoretical specific capacity (1230 mAh/g) of MnO2 enables it to be effectively used in energy storage systems. The resulting material showcases a distinctive architecture where MnO<sub>2</sub> nanotube nanorods are enveloped by GO nanosheets. By employing a binder-free buckypaper approach, the MnO<sub>2</sub> nanotube/GO composite anode exhibits exceptional electrochemical performance, including high energy (213.29 Wh/kg) and power density (28.5 kW/kg), improved rate capability, and excellent cyclic stability. These findings undoubtedly indicate a promising future for the MnO<sub>2</sub> nanotube/GO composite anode in lithium-ion-based energy storage systems.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"24 ","pages":"Article 100130"},"PeriodicalIF":4.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49759297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Forecasting the remaining useful life of proton exchange membrane fuel cells by utilizing nonlinear autoregressive exogenous networks enhanced by genetic algorithms 利用遗传算法增强的非线性自回归外源网络预测质子交换膜燃料电池的剩余使用寿命

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-10-01 DOI: 10.1016/j.powera.2023.100132

Yitong Shen , Mohamad Alzayed , Hicham Chaoui

{"title":"Forecasting the remaining useful life of proton exchange membrane fuel cells by utilizing nonlinear autoregressive exogenous networks enhanced by genetic algorithms","authors":"Yitong Shen , Mohamad Alzayed , Hicham Chaoui","doi":"10.1016/j.powera.2023.100132","DOIUrl":"https://doi.org/10.1016/j.powera.2023.100132","url":null,"abstract":"<div><p>The Proton Exchange Membrane Fuel Cell (PEMFC), known for its efficient energy conversion, minimal electrolyte leakage, and low operating temperature, shows great potential as a clean energy source. However, its lifespan is limited due to degradation during normal operation, which, if uncontrolled, can result in dangerous failures such as explosions. Hence, accurately estimating the remaining useful life (RUL) is vital. In this research, a combined prediction method using genetic algorithms (GA) and nonlinear autoregressive neural networks (NARX) with external inputs is proposed. The method's performance was trained and validated using the 2014 IEEE PHM Data Challenge dataset, and it was compared to two commonly used artificial neural network algorithms: GA-based backpropagation neural network (GA-BPNN) and GA-based time delay neural network (GA-TDNN). The findings demonstrate that the proposed approach surpasses the other two artificial neural network algorithms in terms of prediction accuracy. Although GA is known for its computational requirement, optimization is performed offline. Once optimal neural network (NN) hyper-parameters are determined, the optimized NN is used online for RUL prediction.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"24 ","pages":"Article 100132"},"PeriodicalIF":4.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666248523000240/pdfft?md5=49b0fb1a6395c3d0f10fcef9d80c20bf&pid=1-s2.0-S2666248523000240-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92100728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Functional cathodes with immobilized TEMPO(2,2,6,6-tetramethylpiperidinyloxyl) for Li–O2 batteries 固定化TEMPO(2,2,6,6-四甲基胡椒酰氧基)的锂氧电池功能阴极

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-10-01 DOI: 10.1016/j.powera.2023.100129

Takuya Naruse , Norihiro Togasaki , Tetsuya Osaka , Toshiyuki Momma

{"title":"Functional cathodes with immobilized TEMPO(2,2,6,6-tetramethylpiperidinyloxyl) for Li–O2 batteries","authors":"Takuya Naruse , Norihiro Togasaki , Tetsuya Osaka , Toshiyuki Momma","doi":"10.1016/j.powera.2023.100129","DOIUrl":"https://doi.org/10.1016/j.powera.2023.100129","url":null,"abstract":"<div><p>Non-aqueous Li–O<sub>2</sub> batteries offer an extremely high energy density, but suffer from high overvoltage on charge and poor cycle characteristics. In the past decade, soluble redox mediators (RMs) have been utilized to reduce the charge overvoltage. However, the use of RMs inhibits the effective decomposition of Li<sub>2</sub>O<sub>2</sub> due to the shuttling of RMs between the cathode and anode. In this study, 2,2,6,6-tetramethylpiperidinyloxyl (TEMPO), which was previously proposed as an RM, was immobilized on the electrode surface by immersing carbon paper in a solution of the synthesized 4-(N-(3-triethoxysilyl-propyl) carbamoyloxy)-2,2,6,6-tetramethyl-1-piperidinoxyl (TESPCP), followed by a heat treatment. Charge–discharge testing of Li–O<sub>2</sub> batteries using the TEMPO-immobilized cathode with a Li anode exhibited a charge plateau of about 3.7 V, indicating that the immobilized TEMPO could react electrochemically as a redox mediator. No overcharge behavior was observed in the cell, suggesting the RM shuttling effect was suppressed. Furthermore, SEM and XPS analyses of the cathode surface confirmed that no Li<sub>2</sub>O<sub>2</sub> residues remained on the cathode after charging, unlike the control sample that utilized soluble RMs. These results indicate that a TEMPO-immobilized cathode can successfully mitigate RM shuttling while maintaining the benefits of RMs, allowing effective decomposition of Li<sub>2</sub>O<sub>2</sub>, during charging without leading to overcharging.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"24 ","pages":"Article 100129"},"PeriodicalIF":4.5,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49750506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel method for alleviating numerical stiffness in Li-ion thermal abuse models 一种减轻锂离子热滥用模型数值刚度的新方法

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-08-01 DOI: 10.1016/j.powera.2023.100123

Jason Ostanek , Mohammad Parhizi , Judith Jeevarajan

{"title":"A novel method for alleviating numerical stiffness in Li-ion thermal abuse models","authors":"Jason Ostanek , Mohammad Parhizi , Judith Jeevarajan","doi":"10.1016/j.powera.2023.100123","DOIUrl":"10.1016/j.powera.2023.100123","url":null,"abstract":"<div><p>Numerical modeling of thermal runaway in Lithium-ion batteries has become a critical tool for designing safer battery systems. Significant progress has been made in developing kinetic mechanisms for decomposition reactions and including additional physics such as venting and combustion. However, the governing heat conduction equation and decomposition reaction equations become numerically stiff during thermal runaway, which limits the utility of thermal abuse models to low-dimensional formulations. The present work introduces a new solution strategy, which switches from the full, 3D transient heat conduction formulation to an adiabatic, 0D lumped body formulation only during the stiff portion of the simulation, i.e., only during thermal runaway. To test the new solver, a 3D thermal abuse model was configured to simulate an oven test of an 18650-format cell. The new solver was exercised for scenarios of varying degrees of stiffness, and the results were compared with a baseline solver using typical integration methods. For an extremely stiff scenario, computation speed was increased by a factor of 183x relative to the baseline solver, with little impact on solution accuracy, thus effectively alleviating the numerical stiffness issue. The new solution strategy addresses the poor scalability of high-dimensional models, such as 3D-CFD-based thermal abuse models, and improves their practicality for industrial use.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"23 ","pages":"Article 100123"},"PeriodicalIF":4.5,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44660576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Measurement of liquid water distribution in GDL under cross-flow-inducing parallel flow field using operando synchrotron X-ray radiography 横流诱导平行流场下GDL内液态水分布的operando同步辐射x射线测量

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-06-01 DOI: 10.1016/j.powera.2023.100119

Takahisa Suzuki , Akihiko Kato , Satoshi Yamaguchi , Yasutaka Nagai , Daisuke Hayashi , Satoru Kato

{"title":"Measurement of liquid water distribution in GDL under cross-flow-inducing parallel flow field using operando synchrotron X-ray radiography","authors":"Takahisa Suzuki , Akihiko Kato , Satoshi Yamaguchi , Yasutaka Nagai , Daisuke Hayashi , Satoru Kato","doi":"10.1016/j.powera.2023.100119","DOIUrl":"https://doi.org/10.1016/j.powera.2023.100119","url":null,"abstract":"<div><p>Baffles in flow field channels for air in a polymer electrolyte fuel cell are known to enhance the performance by inducing convective flow through the gas diffusion layer (GDL) with smaller pressure loss than interdigitated flow fields. This work experimentally correlates performance enhancement with the amount of liquid water in a GDL. A parallel flow field (PFF) that has different inlet and outlet opening sizes is applied to induce cross-flow in the GDL under the rib between adjacent air channels. Operando synchrotron X-ray radiography experiments are conducted to compare the amount of water in the GDL with that for a PFF having the same inlet and outlet sizes. The performance enhancement by application of different opening sizes increases with decreasing relative humidity and increasing air flow rate. A significant performance enhancement is observed when the amount of water in the GDL substrate under the rib becomes almost zero. No performance enhancement is observed under over-humidified conditions, although a decrease in the amount of water in the GDL is still observed, which suggests that the performance becomes insensitive to the difference in the liquid water saturation as the saturation increases.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"22 ","pages":"Article 100119"},"PeriodicalIF":4.5,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49751845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical simulations of all-solid-state batteries using specific contact area diameters for active materials determined by X-ray computed tomography 使用X射线计算机断层扫描确定的活性材料比接触面积直径的全固态电池的数值模拟

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-04-01 DOI: 10.1016/j.powera.2023.100120

S. Iwamoto , M. Kodama , K. Yanagi , Y. Haniu , Y. Fujii , N. Masuda , H. Higuchi , Y. Suetsugu , S. Hirai

{"title":"Numerical simulations of all-solid-state batteries using specific contact area diameters for active materials determined by X-ray computed tomography","authors":"S. Iwamoto , M. Kodama , K. Yanagi , Y. Haniu , Y. Fujii , N. Masuda , H. Higuchi , Y. Suetsugu , S. Hirai","doi":"10.1016/j.powera.2023.100120","DOIUrl":"10.1016/j.powera.2023.100120","url":null,"abstract":"<div><p>At present, it would be desirable to improve the C-rate values of bulk-type all-solid-state lithium-ion batteries by optimizing the electrode structures. Although simulations are an effective means of determining optimal structures, a high degree of accuracy is required. The present study demonstrates a pseudo-two-dimensional (P2D) method of simulating cathodes providing improved accuracy along with low computational cost and based on actual three-dimensional electrode structures. This method incorporates the volume fraction and tortuosity of the solid electrolyte (SE) and active material (AM), both of which are widely used in conventional simulations, and takes into account the specific contact area diameter (D<sub>SCA</sub>) of the AM. The latter parameter reflects the extent of AM particle aggregation and is obtained from the analysis of three-dimensional X-ray computed tomography images. The validity of these P2D simulations is confirmed by comparison with experimental results for three electrodes having different SE particle sizes. The experimental result shows that battery capacity is increased with decreases in the SE particle sizes. This effect is not predicted using conventional P2D simulations employing only volume fraction and tortuosity but is reproduced by P2D simulations in which D<sub>SCA</sub> values are used to model AM particle aggregation and Li diffusion within AM particles.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"21 ","pages":"Article 100120"},"PeriodicalIF":4.5,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47861094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

The effect of addition of the redox mediator dimethylphenazine on the oxygen reaction in porous carbon electrodes for Li/O2 batteries 氧化还原介质二甲非那嗪的加入对锂/氧电池多孔碳电极氧反应的影响

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-03-01 DOI: 10.1016/j.powera.2023.100113

Matthias Augustin , Per Erik Vullum , Fride Vullum-Bruer , Ann Mari Svensson

{"title":"The effect of addition of the redox mediator dimethylphenazine on the oxygen reaction in porous carbon electrodes for Li/O2 batteries","authors":"Matthias Augustin , Per Erik Vullum , Fride Vullum-Bruer , Ann Mari Svensson","doi":"10.1016/j.powera.2023.100113","DOIUrl":"10.1016/j.powera.2023.100113","url":null,"abstract":"<div><p>Secondary Li–O<sub>2</sub> batteries are promising due to their potentially high theoretical energy density. However, both the discharge (oxygen reduction reaction, ORR) and the recharge reaction (oxygen evolution reaction, OER) are associated with high irreversible losses, and multiple side reactions, depending on the electrolyte of choice. Addition of redox mediators is currently considered a promising route to combat the challenges of the highly irreversible ORR/OER. In this work, the effect of addition of the redox mediator 5,10-dimethylphenazine (DMPZ) on the capacity and reversibility of the oxygen reaction is investigated in porous carbon electrodes. The electrolytes are based on tetraethylene glycol dimethyl ether (TEGDME) as solvent, and either Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) as salt, or a combination of LiTFSI and LiNO<sub>3</sub> salt, alternatively dimethyl sulfoxide (DMSO) as solvent, with LiTFSI salt. The addition of DMPZ results in a significant improvement of the reversibility of the ORR/OER reactions for electrolytes based on LiTFSI in DMSO, and LITFSI + LiNO<sub>3</sub> in TEGDME. This is attributed to a depression of the side reactions limiting the recharge reaction in these electrolytes. Post mortem analyses by XRD, SEM, as well as FIB-SEM investigations of cross sections, are used to characterize the products from the side reactions.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"20 ","pages":"Article 100113"},"PeriodicalIF":4.5,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45576908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Machine learning for optimal electrode wettability in lithium ion batteries 基于机器学习的锂离子电池电极润湿性优化

IF 4.5

Journal of Power Sources Advances Pub Date : 2023-03-01 DOI: 10.1016/j.powera.2023.100114

Amina El Malki , Mark Asch , Oier Arcelus , Abbos Shodiev , Jia Yu , Alejandro A. Franco

{"title":"Machine learning for optimal electrode wettability in lithium ion batteries","authors":"Amina El Malki , Mark Asch , Oier Arcelus , Abbos Shodiev , Jia Yu , Alejandro A. Franco","doi":"10.1016/j.powera.2023.100114","DOIUrl":"10.1016/j.powera.2023.100114","url":null,"abstract":"<div><p>Electrode wetting is a critical step in the Lithium-Ion Battery manufacturing process. The injection of electrolyte in the electrodes’ porosity requires the application of pressure-vacuum pumping strategies without warranty that the full porosity will be fully occupied with electrolyte at the end of this process step. The electrode wettability strongly depends on the contact angle between the electrolyte and the electrode, the electrode microstructure characterized by its porosity, pore network and tortuosity factor, the electrolyte viscosity and density. Computational fluid dynamics approaches such as the Lattice Boltzmann Method can provide relevant information of the filling process, yet these approaches come with significant computational cost. The use of machine learning techniques can provide surrogate models for the optimization of this multi-parameter process that depends on both chemical and physical properties. Within this context, we propose a general workflow for realizing this objective and provide detailed simulation-based experiments. These physics-informed surrogate models open the path to tractable, rapid solutions of parameter identification and design optimization problems. They also provide a general workflow for applications on other optimal battery material design problems.</p></div>","PeriodicalId":34318,"journal":{"name":"Journal of Power Sources Advances","volume":"20 ","pages":"Article 100114"},"PeriodicalIF":4.5,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42408351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2