Abstract: Current status and challenges of high-capacity lithium ion battery research at Nissan.
Global warming and traffic accident are part of the critical social issues for sustainability. It is an important role for vehicle manufacturers to develop technologies to mitigate these issues. Regarding the social environmental issue, the emission of greenhouse gas needs to be reduced. After that, we have been making efforts on the battery evolution for our future EVs to expand cruising range and durability, to improve quick chargeability and safety, and to finally reduce the cost.
One of the biggest challenges is to make them compatible to increase capacity and to improve durability of the battery. In our recent research activity, we have been studying new active materials and electrodes. Si-containing anode materials are one of the promising items for high-capacity and cost-effective lithium ion battery for next generation EVs [2,3]. Ni-rich layered material and sulfur-containing material are attractive for future cathode in terms of higher electrode capacity .
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On the other hand, solid-state-battery can be fascinating due to fast charging capability . And sulfur-containing cathode composite can be remarkable if it is applied to solid-state-battery, because shuttle phenomenon can be negligible . In this presentation, current status and technical challenges of high-capacity cathode will be introduced with our updated data and modeling results. References  www3. Blomgren, J.
Chiba et al. Liu et al. Manthiram et al. Takahashi et al. Nagata et al. Suzuki et al. Zhou et al. Kim et al. He has supervised near 30 PhD thesis and more than 45 graduate and master thesis. He is co-author of over articles with more than citations and an h-index near He has co-authored twelve book chapters and is co-editor of two books. IF: Energy Mater. He is co-author of eight patents related to magnetic and energy materials. Of special note is the PCT patent obtained about the first nanohybrid polymer electrolytes for lithium and sodium ion batteries.
Since he is the Scientific Director of the CIC energiGUNE and his research is focused on the study of materials for both lithium and beyond -lithium based batteries to improve the power and energy density both by exploring new compounds, optimized microstructures and through the study of the mechanisms that govern their performance. He holds different positions in various scientific bodies in Spain being the chairman of the Solid-State Chemistry Group within the Spanish Royal Society since until , and advisor for the Minister of Sciences and Education of the Spanish Government.
Abstract: Exploring sodium layered oxide cathodes: designing tailored materials. Interest in developing energy storage systems to meet a wide array of future challenges has driven research into a range of new battery technologies. Sodium-ion batteries SIBs have proven to be particularly popular due to their attractive properties and broad range of potential applications.
However, before SIBs take their place in the pantheon of battery technologies, there still remain challenges to overcome - perhaps the most significant of which is the ongoing development of optimal cathode materials. Sodium Mn-rich layered oxides, i. Through this, principles have been determined governing the stoichiometric selection for tailored performances. For example, the propensity for Mn-rich materials to exhibit degradation due to structural strain resulting from Jahn-Teller distortion might be countered by introducing elements to stabilise the structure e.
Mg, Ti, Al, etc. This understanding has enabled the rapid investigation of not only suitable elements selected with careful attention to electrochemical performance, cost, scarcity, etc. In this presentation, we will highlight some of the most significant Mn-rich materials and their properties, as well as examining and explaining the key parameters and factors which determine their performance.
We will explain how this understanding has been used to develop a rational design approach, before summarising the trends in this area and areas of future exploitation. References  N. Ortiz-Vitoriano, N. Drewett, E. Gonzalo and T. Rojo, Energy Environ. Katcho, J.
Carrasco, D. Saurel, E. Gonzalo, M. Han, F. Aguesse and T.
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Rojo, Adv. Gonzalo, N. Drewett, B. Acebedo, J. Bonilla and T.
Rojo, J. Power Sources, , , — Bianchini, E. Drewett, N. Ortiz-Vitoriano, J. Bonilla, B. Acebedo and T. A, , 6. The latter seems closely related to the conversion mechanism. This is more challenging and several technical barriers should be cleared.
We hope to understand how to balance the energy density and other important properties through the materials we developed. She is part of a transport team dealing with the future of surface transport, namely in the areas of electromobility, batteries and connected and automated transport.
- Advanced Lithium Batteries for Automobile Applications (ABAA 12): Invited speakers;
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She holds a degree in Management Science as well as in Environmental Science, and has a strong personal interest in sustainable development. He received his PhD in from the University of Aachen. Present Professional Position Seit Starting with material supply to the Li-ion industry in , Umicore is today one of the leading producers of cathode materials for lithium-ion batteries with a focus on Lithium cobalt dioxide LCO and mixed metal oxides NMC.
NMC covers various applications from portables , prismatic and pouch type cells up to stationary and automotive applications large format cells.
Electrochemical Power Sources: Fundamentals, Systems, and Applications
The two main development directions over the last years for NMC materials have consolidated around Nickel rich materials and stable high-voltage NMC materials. As a trend, there is great interest in Nickel rich materials in the market, but this comes at a cost. Comparatively challenging is the development of high-voltage stable materials. Therefore, the stabilization of the material to achieve sufficient cycle life duration at the increased cut-off voltages is one main development topic.
Umicore has developed various NMC grades to deal with these challenges. This talk will report on results of the material development of medium nickel material operated at high cut-off voltages in comparison to high nickel cathode material with respect to resulting energy densities, material cost evolution as well as on material safety. The challenges to the industry require an investment pace which can only be handled by financially strong companies. The long-term supply challenge can only be met via sustainable sourcing and recycling. Umicore was the first company worldwide to obtain independent third party verification for this Cobalt sourcing framework.
His research interest is in developing next-generation batteries for use in vehicle and stationary applications. Srinivasan and his research group develop continuum-based models for battery materials and combine them with experimental characterization to help design new materials, electrodes, and devices. Prior to joining Argonne National Lab, Dr.
Abstract: Designing interfaces in solid state batteries to minimize chemo-mechanical failure. Solid state batteries have become a popular topic of research in the past few years, driven by recent discoveries of solid ion conductors with high ionic conductivity.
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With this the old problems of dendrite growth and the new problems related to interface delamination between the cathode and the solid electrolyte have become a focus of the research. Over the past several years, we have been developing mathematical methods that combine electrochemical effects kinetics, mass transfer and ohmic with mechanical interactions elastic deformation, plastic deformation, and fracture to understanding the role of material properties and operating conditions on the chemo-mechanics at the interface of both Li-metal anode and the oxide cathode.
In this talk we will summarize the research efforts around Li metal and focus on ways to prevent dendrites in ceramic materials. Since Robert is Partner at P3 and responsible for e-mobility team with focus on battery systems, electric powertrains and cost management.