H01M10/4214

Battery system, battery pack handling system and electrolyte evacuation and refill station

A battery system includes an enclosure having opposed first and second major walls, a perimetral wall connecting the first and second major walls along respective perimeters thereof, and an interior defined by the first and second major walls and the perimetral wall, wherein the enclosure is configured for containing an anode assembly, a cathode assembly and an electrolyte within the interior. A longitudinal embossment is formed in the perimetral wall extending outward from the interior and extending along opposed adjacent portions of the first and second perimeters. A wall port is defined in the perimetral wall in fluid communication with the interior, wherein the wall port is configured for permitting flow of the electrolyte therethrough into and out of the interior. First and second electrodes extend through the perimetral wall and are configured for electrical connection with the anode assembly and cathode assembly, respectively.

Method for assembling and activating lithium-ion based reserve batteries
10461379 · 2019-10-29 · ·

A method for assembling a lithium-ion reserve battery. The method including: charging an assembled lithium-ion reserve battery, the assembled lithium-ion battery including electrodes forming a battery cell, electrolyte and a membrane separating the battery cell and the electrolyte, the electrodes being charged into a charged state; disassembling the charged lithium-ion reserve battery; rinsing and drying at least the electrodes of the disassembled lithium-ion reserve battery; and reassembling the lithium-ion reserve battery with the rinsed and dried electrodes in the charged state and without the electrolyte; wherein the reassembling includes hermetically sealing a housing containing the battery cell. A method for activating such lithium-ion battery further includes, subsequent to the reassembly, introducing the electrolyte into the battery cell to activate the lithium-ion battery.

Vacuum hopper precharger
11984560 · 2024-05-14 ·

The present invention provides a vacuum hopper precharger configured such that an electrolyte and gases contained in the electrolyte are suctioned by a vacuum hopper, the gases inside the electrolyte are discharged to the outside, and the electrolyte is stored in a vacuum nozzle of the vacuum hopper and then supplied into the secondary battery, thereby reducing defects of the secondary battery and lengthening the life thereof. The present invention comprises: a base frame 20 put in a floor and having an interior space 21; a gas removal part 30 installed on an upper portion of the interior space 21 and removing gases inside a secondary battery 100; an elevator 40 installed on a lower portion of the interior space 21 at an area corresponding to the gas removal part 30, receiving the secondary battery 100 on a top portion thereof, and moving the secondary battery 100 upward or downward; and a controller 50 controlling the gas removal part 30 and the elevator 40.

RECHARGEABLE BATTERY HAVING A WALL ELEMENT AND WALL ELEMENT THEREFOR
20190221784 · 2019-07-18 ·

The invention relates to a rechargeable battery comprising a battery housing which has a cell cavity, or several cell cavities separated by dividing walls. One or more of the cell cavities have at least one respective positive and negative electrode, separated from each other by at least one separator, and a liquid electrolyte. One or more of the cell cavities have a respective wall element, which partitions the respective cell cavity into at least two volume chambers which communicate with one another. At least in the lower regions of the volume chambers, a communicating connection between the volume chambers for the liquid electrolytes is provided and in the upper region of the volume chambers, a pressure compensation connection between the volume chambers for assuring equal air pressure in the volume chambers communicating chambers is provided. Also disclosed is a wall element for such a rechargeable battery, and a battery housing.

HIGH POWER BATTERY/CAPACITOR MODULE
20190221900 · 2019-07-18 ·

A high power battery/capacitor module is revealed. The high power battery/capacitor module includes a box, electrolyte solution, cells and a heat exchanging device. A chamber in the box is connected to the heat exchanging device to form a closed fluid circulation space. The electrolyte solution is filled into the chamber and the cells are arranged at the chamber of the box. The cells are immersed into and electrically insulated from the electrolyte solution. The electrolyte solution is cooled down by the heat exchanging device after being drawn away from the chamber and then delivered back to the chamber circularly. The high power battery/capacitor module further includes an automatic device for detecting and balancing concentrations of ions in the electrolyte solution. Thus the present battery/capacitor module solves the problems caused by heat generated during charging/discharging and extends service life of the battery/capacitor system by using electrolyte solution as coolant.

BATTERY CELL FOR TESTING INTERNAL SHORT CIRCUIT, AND METHOD FOR TESTING INTERNAL SHORT CIRCUIT OF BATTERY CELL BY USING SAME
20240178533 · 2024-05-30 · ·

The present invention relates to a battery cell for evaluating an internal short circuit, and a method for evaluating using the battery cell, wherein an internal short circuit state of a battery cell can be easily induced and, at the same time, an effective internal short circuit evaluation is possible, and the battery cell comprising: first and second electrodes which comprise a coated region on which an electrode mixture layer is coated on a metal current collector and a non-coated region on which an electrode mixture layer is not coated, and which comprise first and second electrode tabs which protrude in one direction from the coated region and do not have an electrode mixture layer coated thereon.

Unit Body of Metal Air Battery and Its Intelligent Control System
20190207281 · 2019-07-04 ·

The invention discloses a unit body of metal air battery; which can solve the problem of the nonuniformity of velocity in the electrolyte, ensure the internal electrolyte uniformly distributed, the residue in a cavity of a battery can be carried away fully in the electrolyte circulation and reflow process, injecting electrolyte in the whole metal air batteries can be realized only by a set of water injection equipment, greatly save the cost of manpower and material resources. The upper center of a housing has an upper hole and the lower center of a housing has a bottom hole. There is a slope inclined toward the inside in a cavity. There is a lower through hole at the lowest end of a slope. A lower through hole is communicated with a bottom hole of a housing. Both sides of a bottom hole and an upper hole have a mating surface groove, in which a sealing ring of a housing is placed. An upper sealing ring is fixed on a sealing plug. A sealing plug, an alloy plate, and an upper copper electrode are connected by a screw of an alloy plate. A battery cover is covered with a sealing plug. The middle of a sealing plug is provided with a middle hole corresponding to an upper hole of a housing, in which there is a downward upper through hole. When a sealing plug is inserted into the upper part of a housing, a closed space is formed inside a housing. The electrolyte is circulated and discharged by an upper through hole and a lower through hole. An intelligent control system having this unit body of metal air battery is also provided.

Electrode structure with built-in ultrasonic structures, and an ultrasonic battery thereof
12021200 · 2024-06-25 ·

An electrode being a positive electrode or a negative electrode contains a built-in ultrasonic vibration module; the ultrasonic vibration module has an ultrasonic vibration element to provide ultrasonic vibration, and the ultrasonic vibration element is electrically connected to wire connection terminals at a top end of or on a top end of the electrode. More than one of such electrode can be used in an ordinary solid lithium battery, a lithium battery, or a lead-acid battery respectively to provide ultrasonic vibration in the battery.

Lithium-ion battery, battery module, battery pack, and automobile

The present invention provides a lithium-ion battery, including: a housing and a separator located inside the housing, where the separator separates internal space of the housing into a plurality of accommodation cavities, battery core sets are disposed inside the accommodation cavities, the battery core sets each include at least one pole shank, and the battery core sets are connected in series; and at least one separator is provided with a liquid injection hole, and the liquid injection hole is used to connect two adjacent accommodation cavities on two sides of the separator; and a block mechanism, where the block mechanism is located inside the housing, the block mechanism enables the liquid injection hole to be in a predetermined state, and the predetermined state includes an open state and a closed state. The battery provided in the present invention ensures isolation and safety of each battery core set while facilitating liquid injection.

CONVECTION BATTERY SYSTEM AND PROCESS
20240186558 · 2024-06-06 ·

Disclosed is a convection battery system process for large power storage units or electrical vehicles that allows easy electrolyte flow through electrodes and other components by novel designs of a separator, an anode and a cathode. Utilization of dendrite-stopping chambers and reverse electrolyte flow minimize dendrite formation in metal anodes. The system and process allow significant increase of size and power output of an individual battery electrode, minimizing the total number of electrodes required in a power system, and increasing overall performances of a battery pack with hundreds of electrodes.