The present invention provides a method for determining the remaining capacity of a lithium-sulfur battery using a voltage drop value obtained by applying a constant current in an open-circuit state and a battery pack implementing the method.

According to a method of estimating a state of charge of a battery (110), a present voltage value Vt(k) and a present current value IL(k) are generated by detecting the voltage and current of the battery. A reference open-circuit voltage value VOC,ref(k) i...

Disclosed are a battery capacity estimation method and apparatus, and a computer storage medium. The method includes: acquiring a voltage-capacity curve of a battery in real time in a battery charging process; performing differentiation on the voltage-capa...

The present invention provides a control device of a secondary battery. The control device of the secondary battery using, as a positive electrode material, a positive electrode active material that shows a difference of an open circuit voltage curve betwe...

Apparatus (10) for predicting state of a battery pack (P1) having a plurality of cells apparatus comprises means (110) for providing cell voltage data (V- Vn) over a predetermined time period, means (120) for performing a discrete wavelet transform on the ...

An objective is to estimate an open circuit voltage of an electric storage device (12) at an early stage. A BMS (20) includes a voltage measurement portion (24)and a CPU (32). The voltage measurement portion (24) is configured to measure voltage values of ...

A method for measuring and filtering analog signals in a battery protection algorithm is achieved. A clock signal having a fixed period is generated. Analog signals are sampled to create sampled digital signals. The sampling is synchronized with the clock ...