Article
Polymer Science
Macarena Kroff, Samuel A. A. Hevia, James N. N. O'Shea, Izaskun Gil de Muro, Veronica Palomares, Teofilo Rojo, Rodrigo del Rio
Summary: In this study, a simple method was proposed to obtain lithium iron phosphate/carbon (LFP/C) composites with different types of nanocellulose (NC) as reducing agent and stabilizer. The addition of NC not only acted as a reducing agent for aqueous iron solutions, but also prevented particle agglomeration during hydrothermal synthesis. Among the different types of NC tested, cellulose nanofiber (CNF) derived carbon showed the best electrochemical response due to its homogeneous coating on the LFP surface. This method of preparing LFP/C using CNF is simple, rapid, and cost-effective, eliminating the need for unnecessary chemicals.
Article
Chemistry, Physical
Florian Rittweger, Christian Modrzynski, Valentin Roscher, Dmitry L. Danilov, Peter H. L. Notten, Karl-Ragmar Riemschneider
Summary: The study investigates the lithium-ion dynamics in lithium iron phosphate based positive electrodes using optical in situ methods. By analyzing the change in reflectivity during charge and discharge processes, apparent diffusion coefficients for the lithiation and delithiation of the electrode are estimated. The addition of conductive and electrochromic marker additives enhances the visibility of optical effects in the cathodes without altering their electrical properties.
JOURNAL OF POWER SOURCES
(2021)
Article
Chemistry, Physical
Vinay Gupta, Fahad Alam, Pawan Verma, A. M. Kannan, S. Kumar
Summary: The study investigates microarchitected cathodes composed of PLA/LFP/CNT enabled by 3D printing, showing that increasing porosity can enhance specific capacity without affecting areal capacity. This technology has the potential to advance the development of high-capacity, fast-charging lithium-ion batteries.
JOURNAL OF POWER SOURCES
(2021)
Article
Engineering, Environmental
Xiaoxiao Zhang, Zengshe Liu, Deyang Qu
Summary: In this study, the commercially mature ion-exchange (IX) method was explored for the first time to recover lithium from spent lithium iron phosphate (LFP) cathodes. The Li-K IX reaction using oxalic acid as the feeding solution delivered a potential product of multi-elemental fertilizer. This simple and economical technology provides a practical recycling strategy for spent LFP batteries.
Article
Chemistry, Multidisciplinary
Yantao Zhao, Wujie Dong, Shuying Nong, Xueyu Lin, Fuqiang Huang
Summary: By using lithium salts to assemble transition metal oxide nanoparticles, their Li+ conductivity can be improved, addressing some challenges of lithium-ion battery anodes. This strategy is effective for various types of transition metal oxides.
Article
Chemistry, Physical
Wesley D. Connor, Srikanth Arisetty, Koffi Pierre Yao, Kun Fu, Suresh G. Advani, Ajay K. Prasad
Summary: Dry electrode manufacturing has the potential to reduce the time and energy required for producing lithium-ion cells. A new method using a heated press has shown promise in adhering the active material onto the current collector, with dry Lithium Iron Phosphate (LFP) electrodes retaining 91% state of health after 250 cycles. This method could be implemented in a high throughput, heated calendaring roller setup to efficiently produce dry electrodes for Li-ion batteries.
JOURNAL OF POWER SOURCES
(2022)
Article
Electrochemistry
Rong He, Yongling He, Wenlong Xie, Bin Guo, Shichun Yang
Summary: This paper investigates the aging behavior and mechanism of cylindrical LFP batteries by designing a cross-comparison aging test, which uses three constant current and two different dynamic working conditions for accelerated aging at high temperature. The aging behavior and mechanism are quantitatively studied through in-situ electrochemical test and ex-situ Post-Mortem methods. External characteristic parameters such as capacity, internal resistance, and open circuit voltage are periodically checked during the long-term cycle of the battery. This multiscale analytical method enables a detailed understanding of the performance loss process, guiding performance prediction and safety diagnostics.
ELECTROCHIMICA ACTA
(2023)
Article
Materials Science, Multidisciplinary
Eva Gerold, Reinhard Lerchbammer, Helmut Antrekowitsch
Summary: The need to recover critical elements from lithium-ion batteries is crucial, and adapting the hydrometallurgical recycling processes is necessary due to the development of cathode materials and the search for cheaper alternatives. By optimizing the leaching process, an effective way of recovering lithium from different cathode materials has been identified.
Article
Thermodynamics
Luis. D. Couto, Mohammad Charkhgard, Berke Karaman, Nathalie Job, Michel Kinnaert
Summary: The paper presents a model-based optimal cell design approach to maximize the energy density of lithium-ion batteries, specifically focusing on a lithium iron phosphate (LFP) cell. By analyzing sensitivity equations and using a dimensionless reduced-order electrochemical model, the most influential design parameters for energy density are identified. A novel adaptive particle swarm optimization is employed to optimize the LIB design, which is tested on a LFP half-cell battery. The results show a significant increase in energy density compared to the initial design proposed in the literature.
Article
Chemistry, Multidisciplinary
Jia-feng Zhang, Wenyang Hu, Jingtian Zou, Xiaowei Wang, Pengfei Li, Dezhao Peng, Yong Li, Ruirui Zhao, Di He
Summary: With the rapid development of lithium-ion batteries in electric vehicles and renewable grids, recycling spent batteries has become an important issue. However, existing recycling methods have complex processes and low efficiency. This study proposes a pyroprocessing-based strategy to recycle spent lithium iron phosphate materials, achieving full element regeneration and producing high-value products.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Nanoscience & Nanotechnology
Meng Zhang, Zhao-Peng Deng, Xian-Fa Zhang, Li-Hua Huo, Shan Gao
Summary: The reuse of waste biomass resources for sustainable development is a popular theme, and the synthesis of CO3O4/C-2 nanocomposites from waste scallion root has shown excellent performance in lithium storage, with high capacity and long-cycling stability attributed to its unique nanostructure.
ACS APPLIED NANO MATERIALS
(2021)
Article
Energy & Fuels
Hongju Zhai, Mingsheng Chi, Jianyong Li, Dafei Li, Zonghou Huang, Zhuangzhuang Jia, Jinhua Sun, Qingsong Wang
Summary: This study investigates the thermal runaway propagation behaviors of large format lithium ion battery modules under different inclined ceilings. The results show that a larger ceiling angle provides better heat dissipation condition for the modules, and the threshold value of ceiling angle at which thermal runaway stops propagating is between 10 and 30 degrees.
JOURNAL OF ENERGY STORAGE
(2022)
Article
Thermodynamics
Zonghou Huang, Xin Li, Qingshan Wang, Qiangling Duan, Yan Li, Lina Li, Qingsong Wang
Summary: This study compares the thermal runaway propagation behavior of NCM and LFP modules, revealing that NCM modules are more prone to thermal runaway propagation compared to LFP modules, with higher total mass of combustible gases and toxicity.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2021)
Article
Green & Sustainable Science & Technology
Hsing- Hsiang, Wei-Yu Chen
Summary: The cathode material of spent LiFePO4 batteries can be directly reused via electrochemical technology for environmental sustainability.
Article
Electrochemistry
Daniel Rutz, Ingolf Bauer, Felix Brauchle, Timo Jacob
Summary: In this study, user-defined reference electrodes based on LFP were fabricated using an ultrashort pulse laser. The results showed that these electrodes have minimal impact on the cell capacity and can provide reproducible voltage output at low to moderate C-rates. They also do not affect the cell expansion during cycling.
ELECTROCHIMICA ACTA
(2023)
Article
Electrochemistry
Rafael Trocoli, Collins Erinmwingbovo, Fabio La Mantia
Article
Chemistry, Physical
Celia Hernandez-Rentero, Rafael Cordoba, Noelia Moreno, Alvaro Caballero, Julian Morales, Mara Olivares-Marin, Vicente Gomez-Serrano
Article
Nanoscience & Nanotechnology
Rafael Trocoli, Anastasia Dushina, Sara Borhani-Haghighi, Alfred Ludwig, Fabio La Mantia
Article
Materials Science, Multidisciplinary
Marcus Fehse, Rafael Trocoli, Elba Hernandez, Edgar Ventosa, Alfonso Sepulveda, Alex Morata, Albert Tarancon
Article
Chemistry, Physical
R. Trocoli, G. Kasiri, F. La Mantia
JOURNAL OF POWER SOURCES
(2018)
Article
Electrochemistry
C. Erinmwingbovo, V. Siller, M. Nunez, R. Trocoli, D. Brogioli, A. Morata, F. La Mantia
ELECTROCHIMICA ACTA
(2020)
Review
Chemistry, Multidisciplinary
Alberto Battistel, Maria Sofia Palagonia, Doriano Brogioli, Fabio La Mantia, Rafael Trocoli
ADVANCED MATERIALS
(2020)
Article
Electrochemistry
R. Trocoli, A. Morata, C. Erinmwingbovo, F. La Mantia, A. Tarancon
Summary: This study investigated the self-discharge process in aqueous rechargeable lithium-ion batteries, revealing that the lower stability of water leads to more favorable self-discharge characteristics compared to organic electrolytes. The self-discharge process can be divided into three different regions with a sequential lower decay rate of voltage and capacity.
ELECTROCHIMICA ACTA
(2021)
Review
Chemistry, Physical
Rafael Trocoli Jimenez
Summary: This study highlights the importance of counter electrodes in electrochemical lithium extraction methods and suggests the need for further research and development of alternative materials.
CURRENT OPINION IN ELECTROCHEMISTRY
(2021)
Article
Chemistry, Physical
Rafael Trocoli, Carlos Frontera, Judith Oro-Sole, Clemens Ritter, Pere Alemany, Enric Canadell, M. Rosa Palacin, Josep Fontcuberta, Amparo Fuertes
Summary: Magnetic frustration resulting from competing magnetic interactions leads to unusual ground states. In this study, the synthesis and engineered magnetic interaction design of a new ternary nitride MnTa2N4 were reported. The material exhibits strong magnetic frustration with short-range helicoidal magnetic order and coexistence of spin-glass-like or spin liquid textures.
CHEMISTRY OF MATERIALS
(2022)
Article
Electrochemistry
Collins Erinmwingbovo, Valerie Siller, Marc Nunez, Rafael Trocoli, Doriano Brogioli, Albert Tarancon, Alejandro Morata, Fabio La Mantia
Summary: Multi-layer pulsed laser deposition is a promising technique for producing LiMn2O4 thin films for solid-state batteries. In this study, thin films with different thicknesses and grain sizes were deposited by varying the number of pulses. The kinetics of Li transfer into LiMn2O4 films were investigated using dynamic impedance spectroscopy, revealing the contributions of the reaction mechanism and transport phenomena. Surprisingly, increasing film thickness led to an increase in charge transfer resistance but an increase in the apparent diffusion coefficient of lithium, resulting in a decrease in mass transport resistance. These findings provide new insights for optimizing the preparation of materials to maximize their electrochemical performances.
Article
Chemistry, Multidisciplinary
Rafael Trocoli, Raphaelle Houdeville, Carlos Frontera, Smobin Vincent, Juan Maria Garcia Lastra, M. Rosa Palacin
Summary: The redox behavior of potassium manganese hexacianoferrate in magnesium electrolytes has been studied and it was found that ion deintercalation during oxidation and contamination from the membrane can interfere with the electrochemical response. In the absence of alkaline ions, pre-oxidized manganese hexacianoferrate can reversibly intercalate magnesium, but the specific intercalation position cannot be determined with the available experimental data.
Article
Chemistry, Physical
Daniel Perez-Antolin, Rafael Trocoli, Jesus Palma, Edgar Ventosa
JOURNAL OF POWER SOURCES
(2020)
Article
Chemistry, Physical
A. Morata, V Siller, F. Chiabrera, M. Nunez, R. Trocoli, M. Stchakovsky, A. Tarancon
JOURNAL OF MATERIALS CHEMISTRY A
(2020)
Article
Nanoscience & Nanotechnology
Marcus Fehse, Rafael Trocoli, Edgar Ventosa, Elba Hernandez, Alfonso Sepulveda, Alex Morata, Albert Tarancon
ACS APPLIED MATERIALS & INTERFACES
(2017)