H01M50/22

SHORT-CIRCUIT PREVENTION MEMBER, POWER STORAGE BATTERY, POWER STORAGE DEVICE, AND POWER STORAGE SYSTEM
20210028434 · 2021-01-28 ·

A short-circuit prevention member has electrical insulation and is attachable to and detachable from at least one of the positive electrode connecting member and the negative electrode connecting member, and in a state in which the short-circuit prevention member is mounted on the positive electrode connecting member and/or the negative electrode connecting member, the short-circuit prevention member covers at least one end portion of the positive electrode connecting member and/or the negative electrode connecting member in an extending direction and the tab of the positive electrode and/or the tab of the negative electrode located closest to the end portion.

FIRE-RESISTANT LAMINATE AND BATTERY

Fire-resistant laminate 20 comprises base material 21 and fire-resistant resin layer 22 disposed on at least one side of the base material 21. The fire-resistant resin layer 22 formed of a fire-resistant resin composition, the composition comprising a resin and at least one fire-resistant additive selected from the group consisting of an endothermic agent, a flame retardant, and a thermally expandable layered inorganic matter, and the softening point or melting point of the base material 21 being 300 C. or higher.

Battery Module Comprising Module Housing

A battery module and a battery pack having a module housing capable of effectively increasing an energy density while enhancing the heat dissipation efficiency, includes a cell assembly having a plurality of secondary batteries; and a module housing having at least one sidewall and configured to accommodate the cell assembly in an inner space defined by the sidewall. The sidewall has at least one coolant flow path, and at least one injection hole is formed in an outer surface of the sidewall so as to extend to and communicate with the inner space.

ADAPTIVE MICRO-BATTERY ARRAY USING ACTIVE CONTROL
20200395588 · 2020-12-17 ·

An adaptive micro-battery array including: a substrate having at least one charging and discharging port; a plurality of micro-battery units located on the substrate and each having at least one micro control unit and at least one energy storage unit; and a connecting network; where the connecting network and the micro control unit are formed on the substrate by a semiconductor fabrication process, and each of the micro-battery units is controlled by the at least one micro control unit therein to determine whether to make the at least one energy storage unit electrically connected to the connecting network, so that each of the at least one charging and discharging port is electrically connected with a corresponding micro-battery configuration.

BATTERY PACK

A battery pack includes: a first secondary battery cell and a second secondary battery cell each having a cylindrical shape and connected in series and/or in parallel with each other; a housing case; and a longitudinal partition plate having a thermal insulation property, and disposed at an interface between the first secondary battery cell and the second secondary battery cell housed in the internal space of the housing case. The longitudinal partition plate constitutes a first thermal insulator that projects from a side facing the side surface of the cylindrical shape of the first secondary battery cell, and constitutes a second thermal insulator that projects from a side facing the side surface of the cylindrical shape of the second secondary battery cell.

Battery Pack
20200328389 · 2020-10-15 ·

A battery pack for powering an electrical device, comprising: a housing for a plurality of electrochemical cells, each having an elongate body with terminals at either end thereof; and electrical circuitry for coupling in series or parallel the plurality of electrochemical cells in the housing to electrical contacts of the electrical device; wherein the housing comprises: a first part having a body defining a chamber with an opening, the body being configured to retain the plurality of electrochemical cells side by side in the chamber, with one terminal of each cell facing towards the opening; and a second part comprising a filter and at least one vent, with the second part being configured to cover the opening of the chamber when coupled to the first part such that any combustion gases generated in the chamber by electrochemical cell malfunction pass through the opening and the filter before being vented externally of the housing through the at least one vent.

SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME
20200287193 · 2020-09-10 ·

A secondary battery and a method for manufacturing the same are provided. An electrode assembly accommodated in the secondary battery having various shapes is manufactured. In particular, a method for manufacturing a secondary battery includes an electrode stack preparation step of preparing an electrode stack which includes a first unit cell having a first area and a second unit cell having a second area that is less than the first area, and which has a structure in which the second unit cell is disposed on one surface of the first unit cell. The method further includes a curved surface formation step of pressing at least a part of an independent portion, which does not overlap the second unit cell, of the first unit cell to form a curved surface on the at least the part of the independent portion.

Packaging Film, Battery Module, and Mobile Terminal
20200266399 · 2020-08-20 ·

A packaging film includes a packaging portion and a pulling portion, and the pulling portion and the packaging portion are demarcated by a tear line. When the pulling portion is pulled, the tear line is disconnected, and the pulling portion is separated from the packaging portion. In a packaging face of the packaging portion, an area packaging a side wall of the battery is a glue-free area, and other areas are provided with a first adhesive. An adhesive face in the packaging portion is provided with a second adhesive. A part of the packaging face in the pulling portion is provided with a third adhesive, and the adhesive face in the pulling portion is a glue-free area.

Prismatic-pouch hybrid battery module

A battery module incorporates features of both prismatic housings and metal foil laminate pouch housings, and is configured to receive and support electrochemical cells. The battery module housing includes a rigid tubular frame and flexible cover elements that are joined to the frame and close the open ends of the frame. The frame has an inner surface that faces the cells, an outer surface that is opposed to the inner surface, a first edge that joins the inner surface to the outer surface at one open end of the frame, and a second edge that joins the inner surface to the outer surface at the opposed open end of the frame. The first cover element overlies and closes the one open end of the frame and the second cover element overlies and closes the other open end of the frame.

Power Continuity Apparatus
20200227936 · 2020-07-16 ·

A power continuity unit includes a battery pack, a power converter, and a housing assembly. The battery pack includes a plurality of battery cells with monitoring devices that monitor the voltage of the associated battery cell and trim excess voltage. During daytime, the power converter converts a portion of the direct current (DC) power it receives from an alternative energy device into alternating current (AC) power and directs it to a user, while the remainder is stored in the battery pack. During nighttime, the power converter converts DC power it receives from the battery pack into alternating current (AC) power and directs it to the user. The housing assembly provides structural support and protection to the battery pack; its configuration depends on the type of battery cell being used.