Embodiments of the application disclose a battery. A first current collector in the battery is brought into a contact with a battery housing, so that a part of heat generated by a cell can be directly conducted to the battery housing through the first current collector. The battery includes a battery housing, a first current collector, a separator, and a second current collector. The first current collector, the separator, and the second current collector are stacked and disposed inside the battery housing. The polarities of the first current collector and the second current collector are different. The first current collector is in contact with the battery housing.

Embodiments of the application disclose a battery. A first current collector in the battery is brought into a contact with a battery housing, so that a part of heat generated by a cell can be directly conducted to the battery housing through the first current collector. The battery includes a battery housing, a first current collector, a separator, and a second current collector. The first current collector, the separator, and the second current collector are stacked and disposed inside the battery housing. The polarities of the first current collector and the second current collector are different. The first current collector is in contact with the battery housing.

Apparatuses, systems, devices, and methods for power management during system startup at low temperatures are disclosed. An apparatus includes a battery for an electronic device. The battery includes one or more cells. The apparatus includes a thermal insulation element configured to insulate heat that the battery. The thermal insulation element is coupled to the battery to prevent at least a portion of the heat that the battery generates from being dissipated from the battery during startup of the electronic device.

An all-solid-state battery includes an anode current collector, an intermediate layer disposed on a first surface of the anode current collector, a solid electrolyte layer disposed on the intermediate layer, a cathode active material layer disposed on the solid electrolyte layer and including a cathode active material, a cathode current collector disposed on the cathode active material layer, and a reinforcement layer disposed on a second surface of the anode current collector, and the reinforcement layer includes a first layer including a polymer, and a second layer including a thermally conductive material.

An all-solid-state battery includes an anode current collector, an intermediate layer disposed on a first surface of the anode current collector, a solid electrolyte layer disposed on the intermediate layer, a cathode active material layer disposed on the solid electrolyte layer and including a cathode active material, a cathode current collector disposed on the cathode active material layer, and a reinforcement layer disposed on a second surface of the anode current collector, and the reinforcement layer includes a first layer including a polymer, and a second layer including a thermally conductive material.

Provided is a rechargeable battery system comprising at least a battery cell and an external cooling means, wherein the battery cell comprises an anode, a cathode, an electrolyte disposed between the anode and the cathode, a protective housing that at least partially encloses the anode, the cathode and the electrolyte, and at least one heat-spreader element disposed partially or entirely inside the protective housing and wherein the external cooling means is in thermal contact with the heat spreader element configured to enable transporting internal heat of the battery through the heat spreader element to the external cooling means. Also provided is a method of operating a rechargeable battery system, the method comprising implementing a heat spreader element in one or each of a plurality of battery cells and bringing the heat spreader element in thermal contact with one or a plurality of external cooling means.

Embodiments described herein relate to electrochemical cells and electrochemical cell systems with thermal insulation systems, and methods of producing the same. An electrochemical cell can include an anode material disposed on an anode current collector, a cathode material disposed on a cathode current collector, a separator disposed between the anode material and the cathode material, and an insulating structure disposed around and containing the anode material, anode current collector, cathode material, cathode current collector, and the separator. The anode material and/or the cathode material includes a semi-solid electrode material. The semi-solid electrode material includes an active material and a conductive material in a liquid electrolyte. The liquid electrolyte has an electrolyte salt concentration of at least about 2.0 M. In some embodiments, the insulating structure includes a frame with a first wall and a second wall disposed therein.

An electrochemical electrode that includes electrode active material, and a current conductor that includes a coated portion that is coated with the electrode active material, a heat transfer portion and a current pad. The heat transfer portion and the current pad are external to the electrode active material. The current pad differs from the heat transfer portion.

An electrochemical electrode that includes electrode active material, and a current conductor that includes a coated portion that is coated with the electrode active material, a heat transfer portion and a current pad. The heat transfer portion and the current pad are external to the electrode active material. The current pad differs from the heat transfer portion.

Provided are cell, method of manufacturing cell, and battery. The cell includes separator, plural positive electrode sheets and plural negative electrode sheets, the positive and negative electrode sheets are alternately stacked, and the separator is interposed between the positive and negative electrode sheets adjacent to each other. Each positive electrode sheet includes two first long sides oppositely disposed, one of which is provided with positive electrode current collector; and two first short sides oppositely disposed, one of which is provided with first tab, the positive electrode current collector is electrically connected to the first tab; and/or each negative electrode sheet includes two second long sides oppositely disposed, one of which is provided with negative electrode current collector; and two second short sides oppositely disposed, one of which is provided with second tab, the negative electrode current collector is electrically connected to the second tab.