- Address
- 305-0044 茨城県つくば市並木1-1 [アクセス]
研究内容
出版物2004年以降のNIMS所属における研究成果や出版物を表示しています。
論文
- Marcela Calpa, Kei Kubota, Jittraporn Saengkaew, Shoichi Matsuda, Kazunori Takada. The role of grain boundaries in suppressing particle fracture in Li-rich layered oxide cathode materials. Journal of Power Sources. 634 (2025) 236473 10.1016/j.jpowsour.2025.236473
- Marcela Calpa, Kei Kubota, Emiko Mizuki, Manai Ono, Shoichi Matsuda, Kazunori Takada. Voltage hysteresis hidden in an asymmetric reaction pathway. Energy Storage Materials. 63 (2023) 103051 10.1016/j.ensm.2023.103051
口頭発表
- Marcela, Calpa, MATSUDA, Shoichi, TAKADA, Kazunori. High-Capacity and Stable Mn-Based Cation-Disordered Rocksalt Oxide Cathodes for All-Solid-State Lithium Batteries. 2nd International Symposium on Solid State Chemistry (ISSSC-2025). 2025
- Marcela, Calpa, KUBOTA, Kei, MATSUDA, Shoichi, TAKADA, Kazunori. Mitigating Particle Fracture in Li-rich Layered Oxide Cathode Materials. The 66th Battery Symposium in Japan. 2025
- Marcela, Calpa, KUBOTA, Kei, MATSUDA, Shoichi, TAKADA, Kazunori. Polycrystalline Microstructures Enhance Fracture Resistance in Li-rich Layered Oxide Cathodes. 9th Structure Property relationship in Solid State Materials SPSSM 2025. 2025
エネルギー・環境材料研究センター
Functional materials for next-generation Lithium batteries
Solid state batteries, Li-rich cathode materials
概要
Energy storage systems with enhanced safety and energy density that store renewable energy and power EVs are necessary to achieve a low-carbon society. Solid-state electrolytes are developed to improve the safety of Lithium batteries. High-capacity cathodes are explored to improve their energy density.
新規性・独創性
• A scalable liquid-phase process is used to prepare high ionic conductive and nano-sized sulfide-based solid electrolytes.
• The unexpected high air stability of Li3PS4-LiI solid electrolytes is uncovered
• Solid electrolyte coating on active materials enables its full utilization in solid-state batteries
内容
Sulfide electrolytes with high ionic conductivity, small particle size, and high air stability are prepared by a scalable solution synthesis and applied to solid state batteries. The use of Li-rich cathode materials holds promise to enhance the energy density of solid-state batteries further.
まとめ
• Liquid-phase processes are proposed for the industrial scaling-up of sulfide solid electrolytes.
• Solid state batteries with enhanced safety are expected to power future electric vehicles.
