An electrode material layer includes an electrode active material and graphene of a sheet-like structure, a surface of the graphene is modified with magnetic response nanodots, and in the graphene, more than 50% of the graphene is arranged at an angle of 45° to 90° with respect to a surface, of the current collector, on which the electrode material layer is disposed, to form a heat conduction path having a specific orientation.

The present invention provides a thermally-decomposable consolidated polymer particle encapsulated-electrode for a lithium-ion battery. The electrode includes polymer particles including at least one connection unit and at least one crosslinker in an amount of approximately 40% to 98% by weight and at least one binder material in an amount of approximately from 2% to 60% by weight. The consolidated crosslinked polymer particle coating results in a porous structure encapsulating the electrode. The pressure resistance of the consolidated crosslinked polymer particle coating ranges approximately from 0.5 to 8 MPa and the consolidated crosslinked polymer particle coating is decomposed to release a non-flammable gas and phosphorous-containing molecules so as to prevent thermal runaway at a temperature approximately from 300° C. to 500° C.

The present invention provides a thermally-decomposable consolidated polymer particle encapsulated-electrode for a lithium-ion battery. The electrode includes polymer particles including at least one connection unit and at least one crosslinker in an amount of approximately 40% to 98% by weight and at least one binder material in an amount of approximately from 2% to 60% by weight. The consolidated crosslinked polymer particle coating results in a porous structure encapsulating the electrode. The pressure resistance of the consolidated crosslinked polymer particle coating ranges approximately from 0.5 to 8 MPa and the consolidated crosslinked polymer particle coating is decomposed to release a non-flammable gas and phosphorous-containing molecules so as to prevent thermal runaway at a temperature approximately from 300° C. to 500° C.

A lithium ion battery with an internal heating device including a cell provided inside the battery, a first cell tab and a second cell tab provided at the upper end of the cell, and the first cell tab and the second cell tab respectively connected to the cell, a heat generating device inside the cell and including a first layer of heating sheet respectively connected to a first tab of the first layer and a second tab of the first layer extending outside of the cell, a control switch composed of a first control switch and a second control switch, wherein an external equipment and the second control switch form a first branch, the first and second cell tabs and the cell form a second branch, and the first and second tabs, the first layer, and the first control switch form a third branch.

A lithium ion battery with an internal heating device including a cell provided inside the battery, a first cell tab and a second cell tab provided at the upper end of the cell, and the first cell tab and the second cell tab respectively connected to the cell, a heat generating device inside the cell and including a first layer of heating sheet respectively connected to a first tab of the first layer and a second tab of the first layer extending outside of the cell, a control switch composed of a first control switch and a second control switch, wherein an external equipment and the second control switch form a first branch, the first and second cell tabs and the cell form a second branch, and the first and second tabs, the first layer, and the first control switch form a third branch.

The present disclosure includes systems, devices, and methods of using a battery cell. The cell may include a container defining a cavity and a plurality of power units, a first conductive member, and/or a second conductive member disposed within the cavity. Each power unit includes a first electrode, a second electrode, and a separator disposed between the first and second electrodes. In some aspects, the first conductive member is coupled to the first electrodes of the plurality of power units and is disposed within the cavity between the first electrodes and at least one of one or more walls of the container to facilitate heat transfer and homogenization of current within the cell.

The present disclosure includes systems, devices, and methods of using a battery cell. The cell may include a container defining a cavity and a plurality of power units, a first conductive member, and/or a second conductive member disposed within the cavity. Each power unit includes a first electrode, a second electrode, and a separator disposed between the first and second electrodes. In some aspects, the first conductive member is coupled to the first electrodes of the plurality of power units and is disposed within the cavity between the first electrodes and at least one of one or more walls of the container to facilitate heat transfer and homogenization of current within the cell.

Since the thermally conductive acrylic sheet according to the embodiment is prepared from a thermally conductive acrylic composition containing a tackifying resin of a specific composition and a high content of an organic filler, it can have high adhesive strength with excellent thermal conductivity. Accordingly, the thermally conductive acrylic sheet according to the embodiment can be advantageously applied to various fields that require heat dissipation characteristics.

Since the thermally conductive acrylic sheet according to the embodiment is prepared from a thermally conductive acrylic composition containing a tackifying resin of a specific composition and a high content of an organic filler, it can have high adhesive strength with excellent thermal conductivity. Accordingly, the thermally conductive acrylic sheet according to the embodiment can be advantageously applied to various fields that require heat dissipation characteristics.

A DC energy storage unit with a plurality of energy storage modules, each energy storage module including a plurality of electrochemical energy storage devices electrically connected in series; an internal control unit in the energy storage module; a power supply for the internal control unit; and a wireless communication system; wherein the total voltage of the plurality of energy storage devices in series is greater than or equal to 40 V DC, wherein the plurality of energy storage modules are coupled together in series, or in parallel, each energy storage unit including a wireless gateway for communication between the energy storage unit controller and each energy storage module; wherein each energy storage module further has a housing, the housing at least partially having a non magnetic material.