The present document relates to an electrode for use in a layered device structure, the electrode comprising at least one layer of conductive material, wherein the electrode comprises at least one micro evaporator having an evaporator inlet for receiving a cooling fluid and an evaporator outlet for removing the cooling fluid after evaporation, wherein the micro evaporator includes a plurality of micro channels forming an evaporation volume, the micro channels being embedded in the layer of conductive material. The present document further relates to a battery design including such an electrode.

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.

The invention relates to a method for operating a lithium ion battery (1) comprising at least one lithium ion cell and a heating device (2), wherein: the heating device (2) is designed to operate the lithium ion battery (1) in a temperature range between 5 and 90° C.; the lithium ion cell comprises an anode (4), a cathode (5), a separator (6), a current collector (7) and an electrolyte (3); the method comprises a step of operating the lithium ion battery (1) in a temperature range between 5 and 90° C.; and the electrolyte (3) contains: LiBOB as conducting salt and at least one selected from: PC and EC as solvent or LiFSI and/or LiDFOB as conducting salt and at least one glycol ether and/or DMC as solvent or LiFSI and/or LiTFSI and/or LiDFOB and/or LiTDI as conducting salt and at least one compound selected from: imidazolium compounds, pyrrolidinium compounds and piperidinium compounds as solvent.

The invention relates to a method for operating a lithium ion battery (1) comprising at least one lithium ion cell and a heating device (2), wherein: the heating device (2) is designed to operate the lithium ion battery (1) in a temperature range between 5 and 90° C.; the lithium ion cell comprises an anode (4), a cathode (5), a separator (6), a current collector (7) and an electrolyte (3); the method comprises a step of operating the lithium ion battery (1) in a temperature range between 5 and 90° C.; and the electrolyte (3) contains: LiBOB as conducting salt and at least one selected from: PC and EC as solvent or LiFSI and/or LiDFOB as conducting salt and at least one glycol ether and/or DMC as solvent or LiFSI and/or LiTFSI and/or LiDFOB and/or LiTDI as conducting salt and at least one compound selected from: imidazolium compounds, pyrrolidinium compounds and piperidinium compounds as solvent.

A battery cell having an electrode main body, in which a positive electrode and a negative electrode, each having an electrode mixture is coated on at least one surface of a metallic current collector, and a separation film interposed between the positive electrode and the negative electrode are wound together, a metal can, which accommodates the electrode main body together with an electrolyte solution; and a sealing tape attached to an exterior surface of the electrode main body so as to fix a distal end portion of the electrode main body, the sealing tape including a heat conductive material to provide heat conduction between the electrode main body and the metal can is provided.

A battery cell having an electrode main body, in which a positive electrode and a negative electrode, each having an electrode mixture is coated on at least one surface of a metallic current collector, and a separation film interposed between the positive electrode and the negative electrode are wound together, a metal can, which accommodates the electrode main body together with an electrolyte solution; and a sealing tape attached to an exterior surface of the electrode main body so as to fix a distal end portion of the electrode main body, the sealing tape including a heat conductive material to provide heat conduction between the electrode main body and the metal can is provided.

A battery according to one aspect of the present disclosure includes a first electrode layer, a first counter electrode layer being a counter electrode of the first electrode layer, a first solid electrolyte layer located between the first electrode layer and the first counter electrode layer, and a first heat-conducting layer including a first region containing a heat-conducting material. The first region is located between the first electrode layer and the first solid electrolyte layer.

A battery according to one aspect of the present disclosure includes a first electrode layer, a first counter electrode layer being a counter electrode of the first electrode layer, a first solid electrolyte layer located between the first electrode layer and the first counter electrode layer, and a first heat-conducting layer including a first region containing a heat-conducting material. The first region is located between the first electrode layer and the first solid electrolyte layer.

A battery includes a housing and at least one battery cell, which has at least one anode and one cathode as electrodes and a separator layer, which separates the anode and the cathode from one another. The battery also has at least one heating element, which is arranged in a manner connected to the battery cell in the housing in a thermally conductive manner. The heating element includes at least one electrically conductive polymer material and an electrical first conductor and an electrical second conductor. The electrical conductors are arranged in electrical conductive contact with the polymer material and are arranged at a distance from one another, with the result that electrical power can be applied to the electrically conductive polymer material via the at least two conductors.

A battery cell is made more thermally efficient with the addition of an integrated vapor chamber that extends out from the cell and into an external heat exchange interface. The integrated vapor chamber can contain a working fluid which undergoes phase changes between liquid and vapor phases when there is a temperature differential between the interior and exterior of the cell. The integrated vapor chamber can include a wicking material to transfer the working fluid to the exterior wall of the vapor chamber. The integrated vapor chamber allows for both heating and cooling of the battery cell.