Abstract: This disclosure provides a method for preparing a current collector. The method includes: (1) anchoring vinyl groups onto the surface of textiles through the silanization between hydroxyl groups and coupling agents; (2) synthesizing polyelectrolyte brushes through in-situ radical polymerization; and (3) obtaining catalyst ions on the polyelectrolyte brushes through ion-exchange and obtaining metal-coated layers through subsequent electroless deposition). The current collector according to the present disclosure has high electrical conductivity and excellent mechanical flexibility, and thus the lithium ion battery including the same is suitable for portable and wearable electronic devices.

Abstract: A Li-ion battery is provided in combination with fluorinated material positioned effective to abate combustion by said battery, the fluorinated material being normally non-gaseous and non-liquid and being itself effective to provide the combustion abatement by said battery, such fluorinated material being is such forms as the material of construction of the battery case containing the battery, film wrapped around said battery, and/or semi-solid material at least proximate to the battery, such as by forming a coating on said battery or said film on said battery.

Abstract: Disclosed is an antioxidant for an electrolyte membrane of fuel cells. The antioxidant may include a support including silicon dioxide and having a nanotube shape, and a metal oxide supported on the support.

Abstract: Provided herein are a lithium electrode and a sulfur electrode for batteries. The lithium electrode comprises lithium metal and a metal-coated fabric. The fibers of the metal-coated fabric are covered by a metal layer, on which the lithium metal is attached. The sulfur electrode comprises a sulfur composite and a nickel-coated fabric. The fibers of the nickel-coated fabric are covered by a nickel layer, on which the sulfur composite is attached. The lithium electrode can inhibit dendrite formation and the sulfur electrode can speed up the redox kinetics of soluble polysulfides.

Abstract: Provided herein are high performance electrodes, electrode materials comprising a plurality of active electrode material-containing particles secured within one or more graphenic web, and precursors thereof. Also provided herein are processes of generating the same by an electrospray process.

Abstract: The present disclosure provides an electrode for a secondary battery including a current collector having an electrode tab protruding outward to at least one outer peripheral side thereof, an electrode mixture layer formed on the current collector, and an electrode protecting layer applied on the electrode mixture layer, wherein the electrode protecting layer includes a conductive material and a binder to supplement conductivity of the electrode mixture layer and prevent separation of the electrode mixture layer from the current collector.

Abstract: A valve assembly for a battery cover is provided. The valve assembly may advantageously allow for testing prior to installation on a battery cover. A battery is also provided.

Abstract: A coupled battery and motor controller thermal management system is disclosed. In various embodiments, a motor controller and a heat sink are coupled thermally to a battery. At least a portion of waste heat generated by the motor controller is transferred to the thermal mass of the battery during at least a first mode of operation in which a relatively low amount of ambient air flows through the heat sink.

Abstract: The secondary battery includes a body part provided in a pillar shape on an outer wall and including a passage, through which the electrolyte flows, therein, a pin switch extending in a longitudinal direction of the body part, wherein, when a pressure is applied to an end of the pin switch, the pin switch linearly moves toward the inside, and when the pressure is removed, the pin switch linearly moves toward the outside, a manipulation part to move in a direction that is parallel to the pin switch, a pressure apply part protruding from a central portion of the manipulation part to apply a pressure an end of the pin switch, and a switching part disposed on the other end of the pin switch to open and close the passage.

Abstract: Provided are a positive electrode for a secondary battery which includes a positive electrode collector, a porous positive electrode active material layer disposed on a surface of the positive electrode collector and including a positive electrode active material and first carbon nanotubes, and a conductive layer disposed on a surface of the positive electrode active material layer, wherein the conductive layer includes a porous network structure formed by a plurality of second carbon nanotubes and has a porosity equal to or greater than a porosity of the positive electrode active material layer +10 vol %, and a secondary battery including the same.

Abstract: Disclosed herein is an electrode assembly configured to have a structure in which a bi-cell and two or more monocells are folded in a state in which the bi-cell and the two or more monocells are arranged on a continuous separation film. The bi-cell includes electrodes in the form of at least one cathode and at least one anode stacked so that a separator is disposed between the cathode and the anode, the bi-cell having a first dimension in a first direction substantially equal to w. The two or more monocells each include electrodes in the form of at least one cathode and at least one anode stacked so that a separator is disposed between the cathode and the anode, each cathode and each anode of each monocell having a first dimension in the first direction substantially equal to 2 times the first dimension w of the bi-cell.

Abstract: Stacked unit cells 100 of a fuel cell each comprise a membrane electrode assembly 10, a pair of gas separators 40 and 50, and a first sealing portion 26 provided between the pair of gas separators. The fuel cell further comprises a second sealing portion provided between adjacent ones of the unit cells, a first manifold in which reaction gas flows, and a second manifold in which a coolant flows. One of the first sealing portion and the second sealing portion is an adhesive sealing portion, and another one of the first sealing portion and the second sealing portion is formed of a gasket. The adhesive sealing portion and the gasket are provided along the outer circumference of the manifold, in the fuel cell as viewed in a stacking direction. The gasket and the adhesive sealing portion are arranged in this order from a side closer to the manifold.

Abstract: A motor vehicle high-voltage energy accumulator having a housing with battery modules mounted inside, wherein the housing has a bottom wall, a top wall, a front end wall, a rear end wall, a left side wall, and a right side wall. In each case, two oppositely arranged walls of the housing which are oriented in the longitudinal direction have load-path-forming supporting structure plates and cooling ducts through which cooling liquid flows. Here, the cooling ducts are either integrated directly into the supporting structure plate in the form of cavities or formed by the connection of a separate cooling structure plate to the supporting structure plate. The supporting structure plate and, where appropriate, the cooling structure plate increase the structural stability or the formation of cooling ducts.

Abstract: A catalyst layer including: (i) a platinum-containing electrocatalyst; (ii) an oxygen evolution reaction electrocatalyst; (iii) one or more carbonaceous materials selected from the group consisting of graphite, nanofibres, nanotubes, nanographene platelets and low surface area, heat-treated carbon blacks wherein the one or more carbonaceous materials do not support the platinum-containing electrocatalyst; and (iv) a proton-conducting polymer and its use in an electrochemical device are disclosed.

Abstract: The inspection method for a fuel cell stack including a plurality of unit cells comprises: (a) operating a fuel cell system, including the fuel cell stack and an anode gas circulation flow path that is connected between an anode gas discharge port and an anode gas supply port of the fuel cell stack to circulate anode gas, under a predetermined liquid water accumulation condition to accumulate liquid water in the anode gas circulation flow path; (b) causing, after the step (a), the fuel cell system to stop and stand by until a predetermined restarting condition is satisfied; and (c) restarting, after the step (b), the fuel cell system to implement power generation by the fuel cell stack, and measuring voltage of each of the unit cells to detect a unit cell having negative voltage.

Abstract: A lithium iron phosphate electrochemically active material for use in an electrode and methods and systems related thereto are disclosed. In one example, a lithium iron phosphate electrochemically active material for use in an electrode is provided including, a dopant comprising vanadium and optionally a co-dopant comprising cobalt.

Abstract: Composites comprising anode and cathode active materials conformally coupled to few-layered graphene, corresponding electrodes and related methods of preparation.

Abstract: The present invention is to provide a negative electrode active material for nonaqueous secondary batteries, which prevents increase in negative electrode resistance and improves initial charge/discharge efficiency and the effect of preventing gas generation and which is excellent in cycle characteristics. The present invention relates to a negative electrode active material for nonaqueous secondary batteries, which comprises an active material (A) capable of occluding and releasing lithium ions and an organic compound (B), wherein the organic compound (B) has a basic group and a lithium ion-coordinating group, and has a specific structure (S).

Abstract: A secondary battery including: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to the case. The cap assembly includes: a cap-up exposed at a top of the cap assembly; a safety vent under the cap-up; and a reinforcement plate between the cap-up and the safety vent and extending along a periphery of the cap-up. The safety vent includes a protrusion protruding toward the electrode assembly and is electrically connected to the electrode assembly via the protrusion.

Abstract: A battery assembly includes a plurality of cells stacked to form an array and a plurality of spacers each disposed between an adjacent pair of the cells. Each cell includes at least one terminal. Each of the spacers includes a retainer extending from an edge portion of the spacer. The retainers are configured to orient and engage a busbar for connecting the terminals of an adjacent pair of cells. The battery assembly may also include a busbar module. The busbar module may engage with the retainers to hold the busbar module to the array.