BATTERY DETERIORATION DETERMINATION METHOD AND BATTERY DETERIORATION DETERMINATION DEVICE

• Main Authors: YONEMOTO Masahiro, MOCHIZUKI Masahito, SUMIKAWA Yosuke, UEDA Suguru, KONISHI Hiroaki, INOUE Takeshi, HIRASAWA Shigeki, HORIKOSHI Nobuya
• Format: Patent
• Language: English; French; Japanese
• Published: 25.07.2024
• Subjects: BASIC ELECTRIC ELEMENTS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SYSTEMS FOR STORING ELECTRIC ENERGY; TESTING

Provided is a battery deterioration determination method that estimates the imbalance and Ah capacity of each cell, which are indicators of the degree of deterioration of a battery pack, even if voltage information on each cell cannot be obtained, or issues a warning when estimation is impossible. T...