IF 2.8 4区化学

Ionics Pub Date : 2024-08-08 DOI: 10.1007/s11581-024-05756-2

Mohib Ullah, Subbulakshmi Ganesan, Bharti Kumari, Mariam Zafar, Kareem Yusuf, Shaymaa Abed Hussein, Salman Khalaf Issa, Forat H. Alsultany, Manmeet Singh, Li Zhengxin, Sami Ullah

{"title":"A novel ZIF-67@g-C3N4–based colorimetric sensor with large hierarchical structure and enhanced surface area for sensitive detection of nitrite in drinking water","authors":"Mohib Ullah, Subbulakshmi Ganesan, Bharti Kumari, Mariam Zafar, Kareem Yusuf, Shaymaa Abed Hussein, Salman Khalaf Issa, Forat H. Alsultany, Manmeet Singh, Li Zhengxin, Sami Ullah","doi":"10.1007/s11581-024-05756-2","DOIUrl":"https://doi.org/10.1007/s11581-024-05756-2","url":null,"abstract":"<p>The detrimental effects of nitrite (NO<sub>2</sub><sup>−</sup>) on environment as well as living organisms have attracted immense interest to sensitively detect it in the drinking water system. So, for this purpose, we have developed a highly sensible and portable colorimetric NO<sub>2</sub><sup>−</sup> sensor based on the CZ-2 nanocomposite (NC). The three dimensional (3D) with large hierarchical structure CZ-2 NC sensor was formed by the coupling of g-C<sub>3</sub>N<sub>4</sub> nanosheets (NSs) and ZIF-67 nanoparticles (NPs) by a simple hydrothermal process. The prepared sensor was successfully employed to detect NO<sub>2</sub><sup>−</sup>, which manifests higher sensing characteristics like extensive sensitivity with large detection linear range of (1 × 10<sup>−3</sup>–7.20 × 10<sup>−1</sup> μM) having a <i>R</i><sup>2</sup> of 0.999 and a lowest limit of detection (LOD) value of 0.16 ± 0.05 nM. Further, it also manifests excellent reversibility, better stability and durability, optimal reproducibility and superior repeatability. In addition, the sensor also depicts large selectivity towards NO<sub>2</sub><sup>−</sup> and improved practicability in real water sampling. These commendable sensing properties were mainly ascribed to the large conductive structure and highest surface area of the CZ-2 NC structure. Thus, as a result, we analyzed that our fabricated colorimetric sensor was highly potent, its applications in the sensing fields can be explored for future perspective.</p>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.8,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Research progress on the mechanism and key role of filler structure on properties of PVDF composite solid electrolyte 填料结构对 PVDF 复合固体电解质性能的影响机理及关键作用的研究进展

IF 2.4 4区化学

Ionics Pub Date : 2024-08-07 DOI: 10.1007/s11581-024-05745-5

Liubin Song, Yiyu Xiong, Zhongliang Xiao, Ao Li, Lixiang Yan, Yinjie Kuang, Tingting Zhao

{"title":"Research progress on the mechanism and key role of filler structure on properties of PVDF composite solid electrolyte","authors":"Liubin Song, Yiyu Xiong, Zhongliang Xiao, Ao Li, Lixiang Yan, Yinjie Kuang, Tingting Zhao","doi":"10.1007/s11581-024-05745-5","DOIUrl":"10.1007/s11581-024-05745-5","url":null,"abstract":"<div><p>Solid-state lithium batteries (SSBs) have attracted attention as the next-generation high-safety lithium batteries due to their high energy density, excellent security, and electrochemical stability. Currently, polyvinylidene fluoride (PVDF) is considered one of the most crucial materials in solid polymer electrolytes because of its flexibility and workability. However, PVDF-based solid electrolytes encounter challenges such as low electrical conductivity and high internal resistance. The electrochemical properties of these solid electrolytes can be effectively enhanced through composite design and molecular structure modification. This review specifically focuses on the impact of nano-fillers with different structures (zero-dimensional nanoparticles, one-dimensional nanofibers, two-dimensional nanosheets, and three-dimensional nanoskeleton structures) on the key properties of PVDF-based solid electrolytes. The specific focus is on optimizing ion conductivity, improving lithium-ion migration efficiency, expanding the electrochemical stability window, extending battery life, enhancing electrical performance stability, and increasing battery capacity. The goal is to explore innovative filler design and modification technology application strategies in order to effectively enhance the performance of PVDF-based solid electrolytes in the field of solid lithium-ion batteries.</p></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940083","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An optimized quantum particle swarm optimization–extended Kalman filter algorithm for the online state of charge estimation of high-capacity lithium-ion batteries under varying temperature conditions 一种优化的量子粒子群优化扩展卡尔曼滤波算法，用于不同温度条件下高容量锂离子电池的在线电荷状态估计

IF 2.4 4区化学

Ionics Pub Date : 2024-08-06 DOI: 10.1007/s11581-024-05749-1

Wenjie Wu, Shunli Wang, Donglei Liu, Yongcun Fan, Daijiang Mo, Carlos Fernandez

{"title":"An optimized quantum particle swarm optimization–extended Kalman filter algorithm for the online state of charge estimation of high-capacity lithium-ion batteries under varying temperature conditions","authors":"Wenjie Wu, Shunli Wang, Donglei Liu, Yongcun Fan, Daijiang Mo, Carlos Fernandez","doi":"10.1007/s11581-024-05749-1","DOIUrl":"10.1007/s11581-024-05749-1","url":null,"abstract":"<div><p>The core focus of the battery management system (BMS) is accurate state of charge (SOC) estimation of the lithium-ion batteries. To solve the problem of improper selection of the noise covariance matrix in the extended Kalman filter (EKF) algorithm, which in turn affects the actual operating effect and range of electric vehicles, this paper proposes the adaptive sine cosine–Levy flight–quantum particle swarm optimization (ASL-QPSO) algorithm to find the optimal noise covariance matrix. Firstly, this paper proposes the variable forgetting factor recursive least square (VFFRLS) algorithm to identify the parameters of the equivalent circuit model of the power lithium-ion batteries. Then, the obtained parameters are transmitted online by the EKF algorithm, based on which the local attraction factor is updated using the ASL-QPSO, which is used to select the appropriate noise covariance matrix. Finally, the optimized noise covariance matrix is obtained and used to achieve the accurate SOC estimation of the power lithium-ion batteries. Experimental results under different operating conditions and temperatures show that the maximum absolute error (MAX), mean absolute error (MAE), and root mean square error (RMSE) of the algorithm are less than 1.82%, 0.59%, and 0.72%, respectively. This demonstrates that the algorithm has superior convergence tuning and high robustness, presenting a novel optimization strategy for the SOC estimation of lithium-ion batteries.</p></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigations on electrical, electrochemical, and thermal properties of gelatine-based novel biopolymer electrolytes for energy storage applications 用于储能应用的明胶基新型生物聚合物电解质的电学、电化学和热学特性研究

IF 2.4 4区化学

Ionics Pub Date : 2024-08-06 DOI: 10.1007/s11581-024-05750-8

C. Naveen, M. Muthuvinayagam, Khalid A. Alrashidi, Saikh Mohammad, S. Vigneshwaran, SaravanaVadivu Arunachalam, Mohd Ikmar Nizam Isa

{"title":"Investigations on electrical, electrochemical, and thermal properties of gelatine-based novel biopolymer electrolytes for energy storage applications","authors":"C. Naveen, M. Muthuvinayagam, Khalid A. Alrashidi, Saikh Mohammad, S. Vigneshwaran, SaravanaVadivu Arunachalam, Mohd Ikmar Nizam Isa","doi":"10.1007/s11581-024-05750-8","DOIUrl":"10.1007/s11581-024-05750-8","url":null,"abstract":"<div><p>Economical and environmentally friendly natural polymer electrolytes are prepared using a combination of gelatine, polyvinyl alcohol (PVA), and magnesium chloride (MgCl<sub>2</sub>) by solution casting technique. These electrolytes exhibit enhanced amorphous properties confirmed by X-ray diffraction (XRD). The homogeneous surface is confirmed by scanning electron microscopy (SEM), and the elemental composition is confirmed by energy-dispersive X-ray (EDX) spectroscopy. The thermal stability of the biopolymer electrolytes is determined between 0 and 350 °C by thermal gravimetry analysis (TGA). Electrochemical impedance spectroscopy (EIS) confirms the higher ionic conductivity of 4.1 × 10<sup>−3</sup> S/cm for Gelatine:PVA:MgCl<sub>2</sub> (0.5 g:0.5 g:0.4 g<b>)</b> electrolyte at normal temperature. The cyclic voltammetry (CV) curve reveals the non-faradaic behavior of electrolytes. The specific capacitance records 23.9 F/g at 10 mV/s scan rate and drops to 7.1 F/g at 150 mV/s, a higher scan rate. For the higher conducting material, linear sweep voltammetry (LSV) analysis reveals a potential window of − 1.2 to + 1 V. According to the research, this solid polymer electrolyte may be a good choice for electrochemical devices because of their excellent electrochemical behavior. The objective of this research is to explore the potential of these solid polymer electrolytes for use in electrochemical devices, given their excellent electrochemical behavior. Future work will focus on optimizing the electrolyte composition and further enhancing their electrochemical performance for practical applications in energy storage devices.</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optical, electrical, and biological properties of PVP-PVA/Ca-doped CoO nanocomposites for opto-electronic and biological applications 用于光电子和生物应用的 PVP-PVA/Ca 掺杂 CoO 纳米复合材料的光学、电学和生物学特性

IF 2.4 4区化学

Ionics Pub Date : 2024-08-06 DOI: 10.1007/s11581-024-05746-4

H. V. Kavya, S. Sachhidananda, M. A. Sangamesha, N. D. Rekha, B. K. Kendagannaswamy, N. A. Chamaraja, L. Mallesha

{"title":"Optical, electrical, and biological properties of PVP-PVA/Ca-doped CoO nanocomposites for opto-electronic and biological applications","authors":"H. V. Kavya, S. Sachhidananda, M. A. Sangamesha, N. D. Rekha, B. K. Kendagannaswamy, N. A. Chamaraja, L. Mallesha","doi":"10.1007/s11581-024-05746-4","DOIUrl":"10.1007/s11581-024-05746-4","url":null,"abstract":"<div><p>Herein, we report the synthesis of calcium-doped cobalt oxide (Ca-CoO) nanocomposites using the simple and effective solution combustion method, and casting of polyvinyl pyrrolidone and polyvinyl alcohol (PVP-PVA) was done by solution intercalation method. Here, 0.5. 1.0, 2.0, and 4.0 wt% of nanofillers were introduced to polymer host. Polymer nanocomposites (PNCs) were subjected to various characterizations, where Fourier transform infrared spectroscopy (FTIR) reveals the positive interaction between the added nanofillers and polymer blends; meanwhile, scanning electron spectroscopy (SEM) analysis reveals the morphological behavior and particle size of 100–140 nm which was confirmed using DLS study. The PNCs reveal the steep UV absorption behavior using the optical absorbance study, while optical and electrical parameters were evaluated as they support the scope of engineering, the band gap, and dopant-dependent optical properties. The band gap energies were decreased from 5.0 to 3.60 eV as the weight % of nanofiller was increased. Dielectric properties along with AC conductivity were increased as the weight percentage of nanofiller increases. Additionally, PNCs were tested for the production of citric acid using <i>Aspergillus niger</i>, which shows that an increase in the wt% of PNCs increases citric acid production and 4% PNCs yields 17.0 g/L.</p></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Layered P2-type Na2/3Ni1/3Mn2/3O2: conductivity and electrochemical characteristics 层状 P2- 型 Na2/3Ni1/3Mn2/3O2: 导电性和电化学特性

IF 2.4 4区化学

Ionics Pub Date : 2024-08-06 DOI: 10.1007/s11581-024-05748-2

Svetlana Novikova, Dmitry Kabanov, Evgeniya Kovtushenko, Tatiana Kulova, Andrey Yaroslavtsev

{"title":"Layered P2-type Na2/3Ni1/3Mn2/3O2: conductivity and electrochemical characteristics","authors":"Svetlana Novikova, Dmitry Kabanov, Evgeniya Kovtushenko, Tatiana Kulova, Andrey Yaroslavtsev","doi":"10.1007/s11581-024-05748-2","DOIUrl":"10.1007/s11581-024-05748-2","url":null,"abstract":"<div><p>The cathode material of Na<sub>2/3</sub>Ni<sub>1/3</sub>Mn<sub>2/3</sub>O<sub>2</sub> composition (NNMO) was obtained by the carbonate coprecipitation followed by solid-phase reaction and characterized by XRD analysis, ICP-MS, and electron and impedance spectroscopy. NNMO crystallizes in a P2-type layered hexagonal structure (sp. gr. P63/mmc), consists of spherical agglomerates of ~ 1–3 microns in size, and forms from the plate-like primary grains. The NNMO ionic conductivity value at room temperature was 1.8*10<sup>−4</sup> and 1.3*10<sup>−4</sup> S cm<sup>−1</sup> when measured perpendicularly and parallel to the compression axis, respectively. The estimated in dc mode values of electronic conductivity were by 2–3 orders of magnitude less than ionic conductivity. The obtained materials were tested as cathodes in sodium-ion battery cells versus sodium metal. The discharge capacity of NNMO was 160 mAh g<sup>−1</sup> and 86 mAh g<sup>−1</sup> in the potential range of 1.5–4.0 V and 2.3–4.0 V, respectively (20 mA g<sup>−1</sup>). NNMO was shown to be stable under cycling in the potential range of 2.3–4.0 V.</p></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimization design of liquid-cooled battery thermal management system based on wavy tube 基于波浪管的液冷电池热管理系统优化设计

IF 2.4 4区化学

Ionics Pub Date : 2024-08-06 DOI: 10.1007/s11581-024-05722-y

Chenyu Wang, Fei Liu, Jiale Guo

{"title":"Optimization design of liquid-cooled battery thermal management system based on wavy tube","authors":"Chenyu Wang, Fei Liu, Jiale Guo","doi":"10.1007/s11581-024-05722-y","DOIUrl":"10.1007/s11581-024-05722-y","url":null,"abstract":"<div><p>There are two cooling tube arrangements were designed, and it was found that the double-tube sandwich structure had better cooling effect than the single-tube structure. In order to analyze the effects of three parameters on the cooling efficiency of a liquid-cooled battery thermal management system, 16 models were designed using L<sub>16</sub> (4<sup>3</sup>) orthogonal test, and the major and minor factors in the models were analyzed. The results show that among the three parameters, the coolant mass flow rate has the most significant impact on the maximum temperature of the battery module, followed by the inlet coolant temperature, and the coolant thermal conductivity has the least effect. In terms of temperature uniformity, the effects of all three factors on module temperature differences are very remarkable, with coolant mass flow rate and inlet temperature having particularly significant effects. The double-tube structure achieved a maximum temperature reduction of 6.7 °C and improved temperature uniformity with a maximum temperature difference reduction of 2.4 °C. Based on a comprehensive balancing method, parameter optimization was performed to determine the optimal combination of factors, further enhancing the cooling performance of the battery module.</p></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141940082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

pH modulation for high capacity and long cycle life of aqueous zinc-ion batteries with β-MnO2/3D graphene-carbon nanotube hybrids as cathode 调节 pH 值以实现以 β-MnO2/3D 石墨烯-碳纳米管杂化物为阴极的水性锌-离子电池的高容量和长循环寿命

IF 2.4 4区化学

Ionics Pub Date : 2024-08-03 DOI: 10.1007/s11581-024-05747-3

Duolong Jin, Xiaoping Dong, Jiankai Liu, Qianran Pang, Shenghai Xin, Liying Yang, Cuibiao Wang

{"title":"pH modulation for high capacity and long cycle life of aqueous zinc-ion batteries with β-MnO2/3D graphene-carbon nanotube hybrids as cathode","authors":"Duolong Jin, Xiaoping Dong, Jiankai Liu, Qianran Pang, Shenghai Xin, Liying Yang, Cuibiao Wang","doi":"10.1007/s11581-024-05747-3","DOIUrl":"10.1007/s11581-024-05747-3","url":null,"abstract":"<div><p>With the continuous development of new energy application technology, there is an increasingly urgent need for the safety and affordability of new energy storage products. In recent years, aqueous zinc-ion batteries based on mild aqueous electrolytes have garnered widespread attention as a potential replacement for traditional lithium-ion batteries. However, the limited capacity and low operating voltage of aqueous zinc-ion batteries restrict their widespread application. For this reason, sulfuric acid was added to the electrolyte, which effectively promotes the two-electron conversion of MnO<sub>2</sub>/Mn<sup>2+</sup> during the discharge process. This enhancement results in the high voltage segment of the batteries’ discharge phase offering a higher reversible specific capacity. The results showed that the batteries with 0.1 M H<sub>2</sub>SO<sub>4</sub> added to the electrolyte had a reversible discharge-specific capacity of up to 536.07 mAh·g<sup>−1</sup> at a current density of 100 mA·g<sup>−1</sup>. The activated batteries exhibited a reversible specific capacity of 85.11 mAh·g<sup>−1</sup> even at a high current density of 1 A·g<sup>−1</sup>. Furthermore, the capacity retention rate after 1000 cycles was 88.3%. Moreover, the activation rate of the batteries was faster with the addition of H<sub>2</sub>SO<sub>4</sub>, and the average operating potential increased compared to the batteries without H<sub>2</sub>SO<sub>4</sub> in the electrolyte. This provides an effective solution for the practical application of aqueous zinc-ion batteries in power grids.</p></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141883308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High precision estimation of remaining useful life of lithium-ion batteries based on strongly correlated aging feature factors and AdaBoost framework 基于强相关老化特征因子和 AdaBoost 框架的锂离子电池剩余使用寿命高精度估算方法

IF 2.4 4区化学

Ionics Pub Date : 2024-08-03 DOI: 10.1007/s11581-024-05740-w

Renjun Feng, Shunli Wang, Chunmei Yu, Carlos Fernandez

{"title":"High precision estimation of remaining useful life of lithium-ion batteries based on strongly correlated aging feature factors and AdaBoost framework","authors":"Renjun Feng, Shunli Wang, Chunmei Yu, Carlos Fernandez","doi":"10.1007/s11581-024-05740-w","DOIUrl":"10.1007/s11581-024-05740-w","url":null,"abstract":"<div><p>In response to the current issue of low accuracy and robustness in the remaining useful life (RUL) model of lithium-ion batteries. In the framework of AdaBoost, a lithium-ion battery life prediction model based on an improved whale optimization algorithm to optimize the Kernel Extreme Learning Machine (IWOA-KELM) is proposed. The IWOA-KELM model is used as a weak predictor. A weighted voting mechanism is used to set a weight coefficient for each weak predictor and then combine the strong predictor of battery RUL. Constant current charge time, constant voltage charge time, internal resistance, and incremental capacity curves peak were extracted from the Cycle data set as health features to accurately describe battery degradation. Pearson correlation coefficient and Savitzky-Golay filter preprocessed health features. Tent chaotic mapping is used to initialize whale populations and maintain their diversity. The iterative updating strategy of the hunting speed control factor is introduced to reduce the probability of the local optimal case of the whale optimization algorithm. The kernel function parameters and regularization parameters of KELM are optimized by IWOA to improve the model prediction ability. After verification, the RUL error of the method proposed in this article can be as accurate as 4 cycles.</p></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141883241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Research status analysis of proton exchange membrane fuel cell based on bibliometric method 基于文献计量学方法的质子交换膜燃料电池研究现状分析

IF 2.4 4区化学

Ionics Pub Date : 2024-08-03 DOI: 10.1007/s11581-024-05732-w

Zongxi Zhang, Xingru Liu, Zhike Sui, Xiang Fan, Chuanzeng Song

{"title":"Research status analysis of proton exchange membrane fuel cell based on bibliometric method","authors":"Zongxi Zhang, Xingru Liu, Zhike Sui, Xiang Fan, Chuanzeng Song","doi":"10.1007/s11581-024-05732-w","DOIUrl":"10.1007/s11581-024-05732-w","url":null,"abstract":"<div><p>This research used bibliometric method to analyze the development characteristics of PEMFC during the past 10 years from 2014 to 2023. The results show that the number of articles related to PEMFC in both the CNKI database and the WOS database has a steady growth trend. The top 20 units in terms of the number of articles in the CNKI database were universities and scientific research institutions, and the Wuhan University of Technology came first. In the WOS database, the number of papers published, the number and ranking of highly cited papers, and the in-depth analysis index and ranking of cited references from China were all first. China has the largest cumulative number of papers published (5926 papers in total, accounting for 41.6% of the total number of papers published in this field in the past 10 years), occupying the core position in the international cooperation network, and the quality of papers published by European and American countries was relatively high; keyword cluster analysis has shown that the proton exchange membrane, catalyst, gas diffusion layer, membrane electrode, and cost of PEMFC were the current research focus. Therefore, the development trend of PEMFC key materials was analyzed in detail in this study.</p></div>","PeriodicalId":599,"journal":{"name":"Ionics","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141883344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ionics最新文献