Degradation mechanisms and performance enhancement of Li-ion batteries due to overcharging and rapid charge-discharge.
S10512
★What are the standard charging methods for lithium-ion batteries and their behavior during overcharging? ★What are the measurement methods for heat generation and heat dissipation factors?
Lecturers Part 1: Professor Shinichi Tobishima, Department of Applied Chemistry, Faculty of Engineering, Gunma University Part 2: Associate Professor Takuto Araki, Yokohama National University Part 3: Director Haruo Watanabe, Watanabe Haruo Engineering Consultant Office, Doctor of Engineering (Formerly of Sony Corporation) Target Audience: Engineers, researchers, and relevant departments related to lithium-ion secondary batteries Venue: Kawasaki City Educational and Cultural Center, Room 2 [Kanagawa, Kawasaki] 15 minutes walk from JR and Keikyu Line Kawasaki Station Date and Time: May 20, 2011 (Friday) 11:00 AM - 4:30 PM Capacity: 20 people *Please apply early as there may be a rush of applications. Participation Fee: 54,600 yen (tax included, including lunch and text costs) for up to 2 people from one company ⇒ If 2 people participate, the invoice will be split into 2 (27,300 yen per person) *New members who apply for the first time by May 6 will receive an early bird discount price of 49,350 yen. ◆ Early Bird Discount: Please select "1 slot for 2 people: Early Bird Discount" when registering. ◆ For additional applications from the same corporation, an additional 12,600 yen will be charged per person.
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basic information
I will discuss the degradation mechanisms of lithium-ion secondary batteries due to overcharging and rapid charge-discharge, as well as the characteristics of their heat generation behavior. I will also talk about the response to high-speed charging and discharging in the positive electrode materials of lithium batteries.
Price information
54,600 *New members who apply for the first time by May 6 will receive an early bird discount price of 49,350 yen.
Price range
P2
Delivery Time
P2
Applications/Examples of results
Part 1: Mechanisms of Degradation of Lithium-Ion Secondary Batteries Due to Overcharging 1. Standard charging methods for lithium-ion batteries and behavior during overcharging 2. Future applications of lithium-ion batteries and their relationship with overcharging 3. Battery reactions during overcharging of lithium-ion batteries 4. Relationship between overcharging patterns and safety 5. Changes in battery materials and electrochemical performance during overcharging 6. Causes of overcharging 7. Changes in battery safety due to overcharging 8. Public guidelines for overcharging testing methods 9. Methods to improve stability of overcharged states through electrode surface treatment 10. Examples of overcharge prevention agents 11. Summary and future challenges Part 2: Heat Generation Behavior and Mechanisms of Lithium-Ion Secondary Batteries During Fast Charging and Discharging 1. Mechanisms of heat generation during charging and discharging reactions 2. Measurement methods for heat generation and heat dissipation factors 3. Thermal behavior analysis model (temperature distribution analysis within the battery) 4. Analysis during fast charging and discharging and comparison with measured battery temperatures 5. Comparison with nickel-hydrogen batteries with different heat generation factors Part 3: Surface Modification of Cathode Active Materials for Improved Fast Charging and Durability (Haruo Watanabe) 1. Introduction 2. LiCoO2-based cathodes 3. LiNiO2-based cathodes 4. LiMn2O4-based cathodes 5. LiFePO4-based cathodes
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