Abstract: Separator and electrolyte composites include a porous self-supporting separator film between or adjacent one or two electrolyte films. The electrolyte films may contain a glyme or mixture of glymes, LiX salt and complexing agent, such as PEO. The porous self-supporting separator film may be used dry or wetted with a liquid electrolyte composition. Solid state batteries include the described separator and electrolyte composites in combination with an anode and a cathode.

Abstract: A battery holding device is provided for preventing erroneous charging when being electrically connected to a power source. The battery holding device includes a battery holding mechanism and a charging control module. The battery holding mechanism is adapted to selectively accommodate a rechargeable first battery or two non-rechargeable second batteries. The charging control module is configured to control an electrical connection between the battery holding mechanism and the power source, and includes a sensor and a control unit. The electrical connection is allowed by the control unit to permit the first battery to be charged by the power source only when the first battery is installed in the installation space.

Abstract: Thermal sensor for a battery. In an exemplary embodiment of a battery docking connector of the present disclosure, the connector comprises exposed battery contacts, and a circuit sensor electrically coupled to the exposed battery contacts for sensing the temperature at the exposed battery contacts, wherein the circuit sensor is configured to switch off an electrical load coupled thereto once a threshold temperature has been reached, to prevent overheating of a battery providing power to the electrical load.

Abstract: An anode for a lithium battery comprises a graphene foam structure composed of multiple pores and pore walls and Si nanowires residing in the pores. The Si nanowires are formed in situ inside the pores. The pore walls comprise a 3D network of interconnected graphene planes or stacked graphene planes having an inter-plane spacing d002 from 0.3354 nm to 0.40 nm as measured by X-ray diffraction. The Si nanowires have a diameter from 2 nm to 100 nm and a length-to-diameter aspect ratio of at least 5 and the Si nanowires are in an amount from 0.5% to 99% by weight based on the total weight of the graphene foam and the Si nanowires combined.

Abstract: The disclosed technology relates to electrical feedthroughs for thin battery cells. A battery cell enclosure includes a terraced portion having a reduced thickness relative to another portion of the enclosure. The enclosure includes an opening disposed on a horizontal surface of the terraced portion for receiving the electrical feedthrough. Because the feedthrough is disposed on the horizontal surface of the terraced portion, the feedthrough may be over-sized thereby reducing the resistance and impedance of the feedthrough without increasing the height or thickness of the enclosure.

Abstract: An electrolyte including: a lithium salt; a non-aqueous solvent; a compound represented by Formula 1; and a compound represented by Formula 2 wherein R1, R2, R3, R11, and R12 in Formulae 1 and 2 are as described in the detailed description.

Abstract: While lithium-air batteries have been known, in which oxygen in the air is used as a positive electrode active material and lithium is used as a negative electrode active material, it is desired to provide a battery system capable of efficient utilization of oxygen. A battery system is provided, including: a lithium-oxygen battery; an oxygen compressing unit configured to compress oxygen released from the lithium-oxygen battery; a storage unit configured to store oxygen compressed by the oxygen compressing unit; and an oxygen supplying unit configured to supply oxygen stored in the storage unit to the lithium-oxygen battery.

Abstract: Composite anode-active particulates that include lithium-active, silicon nanoparticles in carbon matrices impregnated with solid electrolyte are described with methods for their preparation. The composite active particulates preferably include a solid electrolyte phase carried within pores of the particulate.

Abstract: Methods are disclosed for detecting and lessening fuel starvation conditions in an operating fuel cell system. The fuel cell systems comprise a solid polymer electrolyte fuel cell with a regulating apparatus for regulating the pressure of fuel supplied to the anode inlet of the fuel cell, in which the outlet pressure from the regulating apparatus oscillates during operation. The methods involve monitoring an electrical output of the fuel cell during operation, determining the amplitude of oscillation in the electrical output, and then, if the determined amplitude of oscillation in the electrical output exceeds a predetermined amount thereby indicating a fuel starvation condition, taking a remedial action to lessen the fuel starvation condition.

Abstract: Disclosed are a positive electrode for lithium air batteries with excellent stability, a method of manufacturing the same, and a lithium air battery including the same, and a lithium air battery with improved stability by including the positive electrode. The positive electrode may include a conductive material and an ionic liquid such that the process of manufacturing the lithium air battery may be simplified, and the stability of the lithium air battery may be further improved as the result of inhibition of side reactions.

Abstract: A highly integrated mobile energy storage system is provided, which includes a container and battery racks. The battery racks are arranged in two rows along a length direction of the container, and the two rows of the battery racks are arranged back to back. For each of the two rows of battery racks, a maintenance door is arranged at a wall of the container close to the row of battery racks. In a case that a battery rack needs to be maintained, it is just required to open the maintenance door to maintain the battery rack. Since the two rows of battery racks are arranged back to back, no maintenance passage is required, thereby reducing a floor space along a width direction of the container, thus reducing the floor space of the system.

Abstract: A battery module that includes a stack of battery cells, where each battery cell has a terminal, and the terminal has a first alloy of a metal. The battery module has a bus bar that includes a body having a second alloy of the metal, nickel plating on at least a portion of the body, and an indentation disposed on the body, where a thickness of the nickel plating is between 0.2% and 20% of an overall thickness of the body, and a weld physically and electrically coupling the respective terminal to the bus bar. The indentation has a depth between 10% and 90% of the overall thickness, an area of the indentation is between 5% and 20% of an overall area of the body, and the nickel plating enables the weld to be stronger than a weld between the first and second alloys.

Abstract: An accumulator for a hybrid or electric vehicle may include a housing having two shell-shaped housing parts abutting one another in a Z direction and forming an interior of the housing, a plurality of battery modules having a plurality of battery cells arranged in the interior of the housing, and at least one cooling device having a cooling chamber, through which a fluid is flowable, a fluid inlet for introducing the fluid into the cooling chamber, and a fluid outlet for discharging the fluid from the cooling chamber. The cooling chamber may be formed in a respective one of the two housing parts via a heat-conducting limiting plate, which may be spaced apart from a bottom of the respective housing part and may be aligned transversely to the Z direction and may separate the cooling chamber from the interior in a fluid-tight manner inside the respective housing part. At least some of the battery modules may abut on the limiting plate facing away from the cooling chamber so as to transfer heat.

Abstract: A battery module including a plurality of battery cells, a first chassis, and a connection member. The battery cells are aligned in a first direction. The first chassis includes a plurality of first compartments in which the battery cells are housed one by one, and at least one second compartment that is partitioned in the first direction. The connection member includes a body that is housed in the second compartment, a pair of connection terminals that is mounted on a first face of the body and is electrically connectable to the electrodes of the battery cells via a conductive member. The first face faces in a second direction intersecting with the first direction, and a conductor that extends across the pair of connection terminals.

Abstract: Systems, methods, and apparatus for a multi-tab battery cycle life extension through alternating electrode charging are disclosed. In one or more embodiments, a battery comprises a plurality of battery cells. The battery further comprises a plurality of anode electrodes and a plurality of cathode electrodes, of each of the battery cells, arranged around a perimeter of the battery. Further, the battery comprises a controller to apply, for each of the battery cells, a load or a charge from the anode electrodes to the cathode electrodes in a pattern such that charge is uniformly distributed across each of the battery cells. In one or more embodiments, the controller is located external or internal to the battery. In some embodiments, the battery further comprises a processor to determine the pattern for applying the load or the charge from the anode electrodes to the cathode electrodes for each of the battery cells.

Abstract: A method of making a reference electrode assembly for an electrochemical cell according to various aspects of the present disclosure includes providing a subassembly including a separator layer and a current collector layer coupled to the separator layer. The method further includes providing an electrode ink including an electroactive material, a binder, and a solvent. The method further includes creating a reference electrode precursor by applying an electroactive precursor layer to the current collector layer. The electroactive precursor layer covers greater than or equal to about 90% of a superficial surface area of a surface of the current collector layer. The electroactive precursor layer includes the electrode ink. The method further includes creating the reference electrode assembly by drying the electroactive precursor layer to remove at least a portion of the solvent, thereby forming an electroactive layer. The electroactive layer is solid and porous.

Abstract: Methods and apparatus for decoupling reactant activation and reaction completion. Various embodiments of the present disclosure leverage electrodynamic inversion principles to provide fuel cell-like operation. In one exemplary embodiment a fuel cell-like apparatus is configured to: create reactant ions (e.g., fuel ions, oxidant ions, etc.) in isolation, transport the reactant ions to a reaction interface, enable a chemical reaction, harvest the resulting electrical current, and eliminate the exhaust products. The exemplary fuel cell-like device decouples the reactants from directly powering the load. Notably, the redox reaction is allowed to proceed at a reaction interface rather than directly at the anode and cathode.

Abstract: A formation capacity-grading equipment for a cylindrical lithium-ion battery comprises a rack, a charge and discharge power box for charging and discharging the cylindrical lithium-ion battery, a battery clamping mechanism for clamping the positive and negative electrodes of the cylindrical lithium-ion battery, a battery tray for placing the cylindrical lithium-ion battery, and a controller, wherein the rack is provided with several layers of work stations for formation and capacity grading of the battery; the charge and discharge power box and the battery clamping mechanisms are provided at each layer of the work stations; a power transmission end of the charge and discharge power box is electrically connected to a power transmission end of the battery clamping mechanism; and a control end of the charge and discharge power box and a control end of the battery clamping mechanism are in signal connection respectively with a signal transmission port of the controller.

Abstract: A system for permanently marking at least one battery component includes at least one marking element which is assigned to the battery component. The system includes a battery management system for operating the battery component in dependence on a state of the marking element. At least one marking device can be electrically connected to the marking element in such a way that a permanent change in the state of the marking element can be carried out by the marking device. The marking element is provided outside the battery management system such that operation of the battery component is permanently adaptable by the change of state.

Abstract: A bipolar plate to be arranged opposite to an electrode that is supplied with an electrolyte solution to cause a battery reaction includes a plurality of groove portions in which the electrolyte solution flows and rib portions that each separate the adjacent groove portions on at least one of its front and back surfaces. A specific rib portion including a contact surface to be brought into contact with the electrode and one or more recessed portions that are open in the contact surface is included among the rib portions.