H02J7/977

Method and system for charging a battery

A battery charging system includes a charger that is dynamically controlled during charging, including during rapid charging events that include elevated voltage and/or elevated current levels. The charger is connectable to a battery cell of a rechargeable energy storage system. Operation includes transferring electric power having a charging current at a maximum charging rate to the battery cell. An anode potential offset setpoint is determined. A predicted anode potential offset is determined at an interface between the anode and the separator based upon the cell voltage for the battery cell. The charger is controlled to transfer the electric power to the battery cell based upon a temperature distribution in the battery cell and a difference between the anode potential offset setpoint and the predicted anode potential offset.

LITHIUM BATTERY EMERGENCY JUMP STARTER
20260066652 · 2026-03-05 ·

The present invention discloses a lithium battery emergency jump starter, comprising a rechargeable lithium battery and a relay controller with a magnetization function. The lithium battery controls output through a switch of a relay with the magnetization function driven by the controller; and when positive and negative poles of the lithium battery emergency jump starter are correctly connected to an automobile, large current can be outputted, and a magnetic field after large current is generated can be optimized for demagnetization. The present invention uses the relay controller with the magnetization function, and a magnetic field after large current is generated can be optimized for demagnetization. A USB socket has automatic insertion and detection functions, and also has circuit design to achieve the functions of zero consumption current, lithium battery bulge detection, three-level temperature detection and protection, etc. to form effective feedback and coping mechanisms.

TECHNIQUES FOR MANAGING CHARGING OF BATTERIES

A method is provided, including: (a) providing an initial charging current to a battery; (b) receiving state information about the battery, including: (1) a temperature, (2) a load profile, and (3) a power loss temporal profile including power loss durations and timings of power failure events; (c) determining, based on the state information, a modification, including: (1) in response to detecting that (i) the temperature exceeds a first upper threshold or (ii) the load profile exceeds a second upper threshold, setting the modification to be a decrease in the charging current; and (2) in response to (iii) detecting that the load profile is below a lower threshold or (iv) predicting that the battery won't reach a full charge by a next expected power failure event if the initial charging current is maintained, setting the modification to be an increase in the charging current; and (d) in response to determining the modification, adjusting the charging current provided to the battery based on the determined modification.

Battery Fast-Charging Device and Method
20260066685 · 2026-03-05 · ·

The apparatus and method for fast charging of battery according to aspects of the disclosure may add a compensation current considering the current gain according to initial state of charge of the battery to the existing charge current of the battery obtained by considering only the temperature and real-time state of charge of the battery and supply it to the battery, thereby shortening fast charging time.

Managing thermal stress of a battery of an information handling system

Managing a battery of an information handling system, including determining a degradation factor of the battery based on one or more parameters of the battery; determining a first thermal stress time of the battery over a first time period, including: identifying a voltage of the battery over the first time period; identifying a temperature of the battery over the first time period; calculating the first thermal stress time of the battery over the first time period based on the voltage and the temperature of the battery over the first time period; comparing the first thermal stress time of the battery of the first time period to a time threshold, the time threshold based on the degradation factor of the battery; determining, based on the comparison, that the first thermal stress time of the battery is greater than the time threshold, and in response, adjusting a charge voltage of the battery.

Systems and methods for battery thermal management on a vehicle

An electrified vehicle includes a chassis, an energy storage system supported by or coupled to the chassis and including a battery arranged within a battery housing. The battery housing is coupled to the chassis by a first removable coupling coupled between the battery housing and the chassis, and a second removable coupling coupled between the battery housing and the chassis. The first removable coupling includes a first pin that is selectively removable to decouple the battery housing from the chassis. The second removable coupling includes a second pin that is selectively removable to decouple the battery housing from the chassis.

Systems and methods for battery thermal management on a vehicle

A battery flooding system includes a flood port and an elongated connector. The flood port is configured to be fluidly coupled to a battery housing of an electrified vehicle. The elongated connector is configured to interface with the flood port to facilitate providing a fluid to the flood port from a fluid source such that the fluid is provided within the battery housing.

PROGRAMMABLE BATTERY PACK
20260074532 · 2026-03-12 ·

A programmable battery pack including a switch arrangement module having at least one rechargeable battery with and at least one single pole single throw (SPST) switch, a system power supply having at least one linear regulator and at least one single pole single throw (SPST) switch, at least one controller module having a micro-controller executing a pre-programmed firmware, and an external power supply.

SURFACE STATE OF CHARGE BASED TRACTION BATTERY POWER CAPABILITY

A traction battery is charged or discharged according to power limits that are based on generated state of charge values for the traction battery such that, for a 1C discharge rate of the traction battery at a temperature of 0 C., measured terminal voltage values of the traction battery continue to track terminal voltage values that are a function of the generated state of charge values as current throughput of the traction battery increases.

MARINE STARTER BATTERY MANAGEMENT SYSTEM AND METHOD FOR MONITORING LOW-TEMPERATURE CHARGING AND DISCHARGING THEREOF

The present disclosure provides a marine starter battery management system and a method for monitoring its low-temperature charging and discharging. The system comprises a battery management unit, a heating circuit, a high-current charge/discharge drive circuit, a passive balancing circuit, a voltage spike suppression circuit, a soft-start circuit, and a processing unit. The processing unit is electrically connected to these components. Based on battery state parameters, the processing unit controls in real-time the operating states and sequences of the heating circuit, the high-current drive circuit, the passive balancing circuit, the voltage spike suppression circuit, and the soft-start circuit. This intelligent, coordinated control of the various functional modules improves the safety, reliability, and performance of the marine starter battery, particularly in demanding low-temperature environments.