Abstract: An embodiment is directed to a hybrid contact plate arrangement in a battery module that includes a plurality of contact plates configured to be arranged on a given side of a set of battery cells in the battery module, at least one insulation layer configured to provide insulation between each of the plurality of contact plates, wherein the set of battery cells includes a plurality of groups of battery cells, and wherein the plurality of contact plates each include a set of bonding connectors, the sets of bonding connectors being configured to connect to the positive and negative terminals of the plurality of groups of battery cells so as to connect battery cells in each of the plurality of groups of battery cells in parallel with each other, and to connect the plurality of groups of battery cells in series with each other.

Abstract: The present invention provides a system and method for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. A sensor pack is mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored and communicates battery information, including battery compartment information, to a battery package monitor outside the battery compartment. Cloud connectivity can be provided via a mobile application to a battery thermal management package.

Abstract: A positive electrode active material for a lithium secondary battery is disclosed. The positive electrode active material includes a secondary particle composed of an aggregate of a plurality of primary particles, in which the primary particle includes a nanocomposite structure in which rocksalt (Fm3m) structures and layered (R-3m) structures coexist as a physical mixture.

Abstract: In an embodiment, a battery module is configured for insertion into a battery module compartment of an energy storage system. The battery module includes a first exterior plate configured with a male joining section, a second exterior plate that is adjacent to the first exterior plate and configured with a female joining section, wherein the first and second exterior plates are joined together via the male and female joining sections without welding. In an example, by joining the first and second exterior plates (e.g., and optionally, other exterior plates of the battery module as well) without welding, problems associated with heat from a welding process as well as spatters and dirt accumulation at battery cells of the battery module can be reduced or avoided.

Abstract: Embodiments are directed to establishing a direct electrical bond between a bonding connector of a contact plate and a battery cell in a battery module. In a first embodiment, an oscillating laser is used to weld the bonding connector to a battery cell terminal over a target area over which the bonding connector makes non-flush contact. In a second embodiment, the bonding connector is flattened to reduce a gap between the bonding connector and the target area on the battery cell terminal, and then laser-welded (e.g., using an oscillating or non-oscillating laser). In a third embodiment, at least one hold-down mechanism is applied over the bonding connector to secure the bonding connector to the battery cell terminal, after which the bonding connector is laser-welded to the battery cell terminal.

Abstract: A positive active material includes a secondary particle in which a plurality of primary particles is agglomerated. The positive active material is composed of, in which a compound containing nickel, lithium, and oxygen. An average angle between a reference line connecting a center portion of the secondary particle and a center portion of the primary particle provided at the outermost portion of the secondary particle and a particle orientation line penetrating the center portion of the primary particle provided at the outermost portion of the secondary particle and extending in parallel to an orientation direction of the primary particles is 12.2° or less. A concentration of the nickel in the compound is 59 mol % or more. The compound further includes an added metal composed of a different element from the nickel and the lithium. The added metal includes one or more of boron (B) and tungsten (W).

Abstract: A remote controlled battery cell monitoring and control system that utilizes empirical and theoretical data to compare performance, sensor data, stored patterns, historical usage, use intensity indexes over time and tracking information to provide a sophisticated data collection system for batteries. This tracking is designed to better the specifications, designs, training, preventative maintenance, and replacement and recycling of batteries.

Abstract: A remote controlled battery cell monitoring and control system that utilizes empirical and theoretical data to compare performance, sensor data, stored patterns, historical usage, use intensity indexes over time and tracking information to provide a sophisticated data collection system for batteries. This tracking is designed to better the specifications, designs, training, preventative maintenance, and replacement and recycling of batteries.

Abstract: An embodiment of the disclosure is directed to a multi-layer contact plate configured to establish electrical bonds to battery cells in a battery module, comprising a first plate section configured with a first set of raised dimples on an inner side of the first plate section, a second plate section configured with a second set of raised dimples on an inner side of the second plate section, a cell terminal connection layer sandwiched between the first and second plate sections, wherein a portion of the cell terminal connection layer is configured to form a set of bonding connectors to provide a direct electrical bond between the multi-layer contact plate and terminals of at least one group of battery cells, and a set of inter-layer connection points arranged between at least the first and second plate sections, each of the set of inter-layer connection points being arranged where raised dimples on the first and second plate sections are aligned with each other.

Abstract: A gas detection device for a drum containing lithium-ion batteries, may include a sensing component configured to be received by a threaded port of a lid of the container, the sensing component including at least one sensor configured to detect a gas concentration and a temperature of the drum, and a controller configured to receive the gas concentration and the temperature from the sensing component, and issue an alert in response to one of the gas concentration and the temperature exceeding an associated predefined threshold.

Abstract: A battery management system and method that allows a battery bank to be composed of battery modules that can be heterogeneous with respect to each other. A battery bank composed of modules that support the battery management system allows for any subset of modules to be easily replaced with modules of different electrochemical characteristics. Each of the modules may also have a controller that manages cells of the module. The bank level controller and module level controller may operate to virtualize the hardware under their management to reduce or eliminate the heterogeneous features of the underlying cells and modules.

Abstract: A remote controlled battery cell monitoring and control system that utilizes empirical and theoretical data to compare performance, sensor data, stored patterns, historical usage, use intensity indexes over time and tracking information to provide a sophisticated data collection system for batteries. This tracking is designed to better the specifications, designs, training, preventative maintenance, and replacement and recycling of batteries.

Abstract: The present invention relates to a positive electrode active material for a lithium secondary battery, the positive electrode active material comprising secondary particles consisting of a group of a plurality of primary particles, wherein the primary particles are provided on the surface of the secondary particles, the primary particles include oriented particles having a short axis and a long axis, the oriented particles include ultra-fine grains having a grain size of 0.1 µm to 0.5 µm, and the grain size is obtained by calculating an average cross-sectional area of the oriented particles as a square root.

Abstract: An embodiment is directed to a contact plate configured to establish electrical bonds between battery cells in a battery module, including at least one primary conductive layer, and a set of bonding connectors that are configured to provide direct electrical bonds between the contact plate and terminals of a group of battery cells, the set of bonding connectors being configured to connect the group of battery cells in parallel with each other, wherein at least one bonding connector in the set of bonding connectors is configured with a higher fuse rating than each other bonding connector in the set of bonding connectors so as to contain arcs among the set of bonding connectors to the at least one bonding connector.

Abstract: A cathode active material contains a secondary particle containing or consisting of a group of a plurality of primary particles. At least some of the primary particles disposed on the surface of the secondary particle include first primary particle in the form of flakes having a pair of first crystal faces facing toward each other. The first crystal faces are arranged in a radial direction, ends of the first crystal faces pair are provided with a plurality of crystal faces different from the first crystal faces to connect the ends of the first crystal faces pair. Longitudinal cross-sections of the first primary particle contain a pair of first crystal faces spaced apart from each other. Second and third crystal faces are disposed in the outermost surface of the secondary particle to be connected to each other at an angle.

Abstract: A remote controlled battery cell monitoring and control system that utilizes empirical and theoretical data to compare performance, sensor data, stored patterns, historical usage, use intensity indexes over time and tracking information to provide a sophisticated data collection system for batteries. This tracking is designed to better the specifications, designs, training, preventative maintenance, and replacement and recycling of batteries.

Abstract: The present invention relates to a positive electrode active material comprising a secondary particle formed of agglomerates of a plurality of primary particles, wherein each primary particle comprises a first primary particle constituting a core portion of the secondary particle, and a second primary particle provided so as to surround the first primary particle and constituting a shell portion of the secondary particle. In particular, the first primary particle consists of a1 and a2, wherein the a1 is the average length of the major axis of the first primary particle, and the a2 is the average length of the minor axis perpendicular to the a1, wherein the a1 is equal to or greater than the a2. In addition, the second primary particle consists of b1 and b2, wherein the b1 is an average length of the major axis of the second primary particle, and b2 is an average length of the minor axis perpendicular to the b1, wherein the b1 is greater than b2, and the ratio (b1/b2) of the b1 to b2 is 1 to 25.

Abstract: A remote controlled battery cell monitoring and control system that utilizes empirical and theoretical data to compare performance, sensor data, stored patterns, historical usage, use intensity indexes over time and tracking information to provide a sophisticated data collection system for batteries. This tracking is designed to better the specifications, designs, training, preventative maintenance, and replacement and recycling of batteries.

Abstract: Various systems and methods for managing a plurality of battery modules are disclosed herein. In one embodiment, a system may include two or more battery modules with each battery module having a state of charge. The system may include at least one battery management system for monitoring the state of charge of each of the battery modules. The system may include a communications network in communication with the at least one battery management system whereby the at least one battery management system provides data regarding the state of charge for each battery module using the communication network.

Abstract: An additive is for extending the useful life-span of the lead acid batteries. The additive is a safe and environmentally harmless material in the form of an aqueous liquid or an easy-to-use capsule. A method refurbishes lead acid batteries and extends their life-span.