Article
Energy & Fuels
Zahoor Ahmed, Alexander J. Roberts, Tazdin Amietszajew
Summary: This study demonstrates the feasibility of incorporating Au, LiFePO4, and TiO2 electrochemical sensors into commercially available pouch cells, along with thermocouples to track the cell behavior during galvanostatic cycling at varying operating temperatures. The results show that Au provides the best in operando based electrochemical diagnostics for stable thermo-electrochemical performance, followed by TiO2 and LiFePO4. Additionally, the complementary nature of these techniques for cell thermodynamics is demonstrated.
Article
Electrochemistry
Jin Kyo Koo, Younghoon Yun, Jae Kwon Seo, Sung Hoon Ha, Dong Won Kim, Junyoung Mun, Young-Jun Kim
Summary: The pressure on electrodes in cells greatly affects their active material density and electronic conductivity. A single-layer pouch cell (60mAh) was used to study the electrochemical effects of external pressures ranging from 0 to 3 MPa. The high-pressure cell at 3 MPa showed poor capacity retention due to Li plating and pore-clogging on the graphite electrode. However, the optimized pressed cell did not hinder Li-ion transport in the graphite anode and achieved 82% capacity retention after 200 cycles. External pressure affects the electrode-electrolyte contact, but excessive pressure hinders the supplement of Li ions into the graphite anode, leading to increased polarization, electrolyte side reactions, and Li-metal deposition.
ELECTROCHEMISTRY COMMUNICATIONS
(2023)
Article
Automation & Control Systems
Jinhui Zhou, Wenjing Shen, Zhengwei Ma, Xiaolin Mou, Yu Zhou, Han-Xiong Li, Liqun Chen
Summary: This article proposes a Chebyshev-Galerkin-based thermal fault detection and localization framework for the pouch-type Li-ion battery under limited sensing. The method utilizes Chebyshev functions to construct spatial basis functions and derives time coefficients through the Galerkin method. The proposed method demonstrates effectiveness in fault detection and localization through simulations and experiments.
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
(2023)
Article
Nanoscience & Nanotechnology
Jianhua Liang, Wei Deng, Xufeng Zhou, Shanshan Liang, Zhiyuan Hu, Bangyi He, Guangjie Shao, Zhaoping Liu
Summary: In this study, a Li-functionalized graphene oxide (GO-ADP-Li-3) was used as a functional additive to improve the Li-ion conductivity of a polymer artificial interface based on PVDF-HFP/LiTFSI. This modified polymer artificial interface on Li foil showed highly reversible Li stripping/plating performance.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Engineering, Manufacturing
Antonio Pio Catalano, Ciro Scognamillo, Francesco Piccirillo, Marcello Iasiello, Pierluigi Guerriero, Nicola Bianco, Lorenzo Codecasa, Vincenzo d'Alessandro
Summary: This article introduces two models for modeling thermo-electrochemical mechanisms in Li-ion batteries. The first model is a numerical model suitable for finite-element method simulations, which was validated by comparing simulation results with experimental data. The second model is a macrocircuit model suitable for fast and accurate simulations in a SPICE-compatible software package, and it has been validated with FEM simulation results and proven effective in simulations of practical circuits based on batteries.
IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY
(2023)
Article
Nanoscience & Nanotechnology
Yilong Lin, Sheng Huang, Min Xiao, Dongmei Han, Zhiheng Huang, Shuanjin Wang, Yuezhong Meng
Summary: Insufficient activation of S/C cathode leads to low capacity of Li-S pouch cells, but electrochemical oscillation formation can increase capacity and restrict the formation of lithium polysulfides.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Energy & Fuels
Wenjuan Jiang, Qi Zhou, Feng Lu, Yufang Chen, Zengsheng Ma
Summary: In this paper, a thermal-electrochemical-mechanical coupled model (TECM model) is proposed to predict capacity loss, concentration evolution, thermal runaway, and mechanical degradation in Li-ion batteries. The model takes into account thermal diffusion, thermoelectric, and Dufour effects. The correlation between prediction difference and discharging rate is further studied. The results show that TECM model is more suitable for electrical prediction under variable temperature conditions and has higher thermal prediction accuracy, which is beneficial to thermal management. Additionally, TECM model can describe multiple physics fields in one calculation.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Chemistry, Physical
Jin-Yeong Kim, Jae-Yeon Kim, Yu-Jin Kim, Jaeheon Lee, Kwon-Koo Cho, Jae-Hun Kim, Jai-Won Byeon
Summary: This study investigated the effects of mechanical fatigue test on batteries with different initial states of charge (SoCs). Results showed that the batteries with moderate lithiation states could endure mechanical fatigue stress and maintain good cycle performance. However, batteries with high lithiation states were vulnerable to mechanical fatigue stress and exhibited decreased cycle performance.
Article
Chemistry, Physical
Mingzhe Zhou, Lingling Hu, Shengru Chen, Xin Zhao
Summary: This study reveals the different behaviors of lithium-ion pouch cells under mechanicalelectrochemical coupled failure through interdisciplinary characterization methods. It uncovers the dominant role of the inertia effect of a cell?s multilayer structure in failure under dynamic loading and challenges the validity of using macroscopic inflection points in mechanical tests as indicators for failure prediction. The study sheds light on dynamic failure mechanisms and safety evaluation methods for lithium-ion cells.
JOURNAL OF POWER SOURCES
(2021)
Article
Electrochemistry
Imanol Landa-Medrano, Aitor Eguia-Barrio, Susan Sananes-Israel, Willy Porcher, Khiem Trad, Arianna Moretti, Diogo Vieira Carvalho, Stefano Passerini, Iratxe de Meatza
Summary: This study explores the degradation and capacity fade issues of silicon as a negative electrode material in high-capacity lithium-ion batteries. The results highlight the need to develop novel strategies to mitigate the volume changes associated with silicon as a negative electrode material.
Article
Chemistry, Multidisciplinary
Jae Yeon Yoo, Tae Yeong Kim, Dong-Min Shin, Yongku Kang, Mi Hye Wu, Yun Chan Kang, Do Youb Kim
Summary: Lithium (Li) composites with Li-ionic conductive Al-doped Li7La3Zr2O12 (LLZO) particles (Li/LLZO) are fabricated using a mechanical kneading process. These composites effectively regulate the Li-ion flux and suppress the Li dendritic growth by creating faster pathways for Li-ion migration. As a result, Li-metal-based cells utilizing the Li/LLZO composite anodes demonstrate significantly enhanced cycle stability compared to cells employing pure Li anodes.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yu-Xing Yao, Nan Yao, Xi-Rui Zhou, Ze-Heng Li, Xin-Yang Yue, Chong Yan, Qiang Zhang
Summary: Current Li-ion batteries face challenges at sub-freezing temperatures, but a new EC-free electrolyte shows promising low-temperature performance, enhancing capacity retention and reducing Li plating during charging.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Xiangrui Duan, Lingyue Wang, Guocheng Li, Xueting Liu, Mintao Wan, Junmou Du, Renming Zhan, Wenyu Wang, Yuanjian Li, Shuibin Tu, Yue Shen, Zhi Wei Seh, Li Wang, Yongming Sun
Summary: The uneven electrochemical reactions of lithium metal anode hinder its application in high energy density batteries. The introduction of Li-Sn alloy composite electrode can effectively improve the uniformity and stability of the lithium anode.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Chuanbo Yang, Nathaniel Sunderlin, Wei Wang, Chris Churchill, Matthew Keyser
Summary: Novel foam battery pads are reengineered to mitigate cell-to-cell thermal runaway propagation. Experimental results show that polyurethane foams incorporating flame-retardant additives or coatings significantly delay cascading thermal runaway.
JOURNAL OF POWER SOURCES
(2022)
Article
Engineering, Mechanical
Roberto Brighenti, Farzad Tatar
Summary: Metamaterials are a new class of materials that derive their physical properties from their structure and arrangement rather than their composition and chemical structure. This paper analyzes the thermal and mechanical response of 2D porous metamaterials and presents an analytical model based on geometric tortuosity for predicting thermal response.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2023)
Article
Chemistry, Inorganic & Nuclear
Aldo Girimonte, Andrea Stefani, Massimo Innocenti, Claudio Fontanesi, Roberto Giovanardi
Summary: The study found that an applied external magnetic field has a positive influence on the MnO2 electrodeposition process, improving deposition efficiency and leading to more compact and uniform coatings, but resulting in a decrease in capacitance values.
Article
Materials Science, Multidisciplinary
Consuelo Mugoni, Roberto Rosa, Roberto Giovanardi, Mario Affatigato, Magdalena Lassinantti Gualtieri, Cristina Siligardi, Sergey Andronenko, Sushil Kumar Misra
Summary: In this study, two series of glasses were synthesized and characterized, showing that substitution of CuO by V2O5 led to a decrease in density and glass-transition temperature, as well as an increase in conductivity. The Te32 series of glasses exhibited the highest electronic conductivities and the structure-conductivity correlation was further analyzed using Electron Paramagnetic Resonance technique.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Chemistry, Physical
Marco Bonechi, Walter Giurlani, Martina Vizza, Matteo Savastano, Andrea Stefani, Antonio Bianchi, Claudio Fontanesi, Massimo Innocenti
Summary: The Oxygen Reduction Reaction (ORR) is a critical reaction in fuel cell efficiency, requiring highly effective electrocatalysts for proper boosting. This study combines experimental and theoretical results to explore the catalytic activity and mechanisms of composite catalysts formed by carbon nanotubes functionalized with palladium(II) complexes.
Article
Chemistry, Multidisciplinary
Lorenzo Fabbri, Walter Giurlani, Fabio Biffoli, Marco Bellini, Hamish Miller, Claudio Fontanesi, Francesco Vizza, Massimo Innocenti
Summary: The study compared different formulations for electroless deposition in order to obtain continuous nanometre-sized and micrometre-sized films of palladium on copper. By combining displacement plating and chemical plating techniques, a sustainable procedure for micrometre-sized palladium coatings as an alternative to electroplating of Pd for decorative applications was successfully developed.
APPLIED SCIENCES-BASEL
(2021)
Article
Biochemistry & Molecular Biology
Martina Vizza, Patrick Marcantelli, Claudia Giovani, Walter Giurlani, Paolo Giusti, Claudio Fontanesi, Massimo Innocenti
Summary: The legislation updates on drinking water control and human health have resulted in an increased demand for novel electrochemical low-cost sensors, particularly potentiometric ones. The development of an easy, low-cost potentiometric chloride sensor capable of continuous and real-time analysis has been investigated. The sensor, made of Ag/AgCl sintered pellet, demonstrated stable, reproducible, and accurate quantification of chloride in aqueous solutions compatible with drinking water, without the need for periodic calibration. This research opens up potential applications for the sensor in continuous, in situ, and real-time measurement of chloride ions in industrial processes, reducing the need for periodic maintenance.
Article
Chemistry, Multidisciplinary
Walter Giurlani, Martina Vizza, Federico Pizzetti, Marco Bonechi, Matteo Savastano, Lorenzo Sorace, Andrea Stefani, Claudio Fontanesi, Massimo Innocenti
Summary: In this study, magneto-electrochemistry experiments were conducted during the electrodeposition of a ferromagnetic Heusler alloy. The presence of a magnetic field was found to affect the electrochemical measurements and the macroscopic handedness (chirality) of the deposit.
APPLIED SCIENCES-BASEL
(2022)
Article
Materials Science, Multidisciplinary
Lorenzo Fabbri, Walter Giurlani, Giulia Mencherini, Antonio De Luca, Maurizio Passaponti, Emanuele Piciollo, Claudio Fontanesi, Andrea Caneschi, Massimo Innocenti
Summary: The role of thiourea as an organic additive in the nucleation and growth mechanism for copper deposition was studied and its application in decorative electroplating and fashion accessory industries was explored. The research showed that progressive nucleation was crucial for obtaining a shiny and homogeneous copper film, but an excess of thiourea could lead to parasitic adsorption reactions on the substrate surface. The optimal concentration of thiourea was determined to be 60 ppm for the used formulation of copper plating.
Article
Biochemistry & Molecular Biology
Marco Bonechi, Walter Giurlani, Massimo Innocenti, Dario Pasini, Suryakant Mishra, Roberto Giovanardi, Claudio Fontanesi
Summary: This paper investigates the mechanism of electrochemically induced carbon-bromine dissociation in 1-Br-2-methylnaphalene under reduction conditions. Quantum mechanical calculations reveal that the dissociation of the carbon-halogen bond occurs in a stepwise manner, leading to the formation of a bromide anion and an organic radical.
Article
Materials Science, Multidisciplinary
Andrea Stefani, Natalia Tanaka Fonollosa, Walter Giurlani, Roberto Giovanardi, Claudio Fontanesi
Summary: This work explores the electropolymerization of polyaniline (PANI) as a suitable coating or substrate for Nickel (Ni) and Magnetite (Fe3O4) surfaces. The obtained PANI coatings show stability and consistency at the interface of both Ni and Fe3O4 ferromagnetic materials.
Article
Chemistry, Physical
Elisa Dallari, Massimiliano Bononi, Annalisa Pola, Marialaura Tocci, Paolo Veronesi, Roberto Giovanardi
Summary: This paper investigates the hard anodizing treatments of AlSi10Mg samples produced through Gravity Casting (GC) and Additive Manufacturing (L-PBF). Pulsed Direct Current (PDC) procedures were used for the first time on the additively manufactured alloy, and different combinations of temperature and electrical parameters were tested. The results show that the PDC procedures improved the compromise between evenness, compactness, and defectiveness, although the hardness values obtained on GC samples were not reached.
Article
Chemistry, Physical
Martina Vizza, Giulio Pappaianni, Walter Giurlani, Andrea Stefani, Roberto Giovanardi, Massimo Innocenti, Claudio Fontanesi
Summary: The research aims to expand the application of PEDOT through electrochemical deposition, particularly in the preparation of thin films in tight contact with electrode surfaces. The study demonstrates that using PEDOT films as the base material for a copper layer allows for the preparation of a hybrid electronic device.
Article
Chemistry, Inorganic & Nuclear
Suryakant Mishra, Marzia di Marzio, Roberto Giovanardi, Francesco Tassinari
