Abstract: An electrochemical stack includes a solid electrolyte membrane as one of the components of a membrane electrode assembly. The membrane may have been formed during stack assembly via an in situ reaction.

Abstract: An integrated equipment of die-cutting and stacking, including two electrode die-cutting mechanisms, two electrode conveying mechanisms, a positive electrode feeding mechanism, a negative electrode feeding mechanism, a battery separator unwinding mechanism, and a double stacking table mechanism. The positive electrode feeding mechanism and the negative electrode feeding mechanism are respectively arranged on two sides of the double stacking table mechanism; and one electrode conveying mechanism is arranged between the electrode die-cutting mechanism and the positive electrode feeding mechanism, and another electrode conveying mechanism is arranged between the electrode die-cutting mechanism and the negative electrode feeding mechanism; the battery separator unwinding mechanism is located above the double stacking table mechanism; the double stacking table mechanism includes a rotating shaft, two rotating arms, two central rotating shafts, a first stacking table and a second stacking table.

Abstract: Embodiments of the present application provide an electrolyte and a lithium ion battery including the same. The electrolyte comprises a trinitrile compound of general formula (I), wherein R11, R12, and R13 are each independently selected from alkylene groups having 0 to 8 carbon atoms, and R11, R12, and R13 are not 0 simultaneously; and fluorosulfonyl silane acetate. The present application improves the cycle performance, rate performance and floating charge performance of lithium ion batteries by using the trinitrile compound and fluorosulfonyl silane acetate in combination.

Abstract: An energy storage device includes an anode; a cathode; an electrolyte in contact with both the anode and the cathode; and an electrically non-conductive separator between the anode and the cathode. The separator includes a membrane having a plurality of voids, wherein at least some of the voids are partially filled with inorganic particles, and wherein the inorganic particles exhibit a shear modulus greater than the shear modulus of the membrane.

Abstract: A power production system includes a fuel cell separation system configured to receive a flue gas and to produce electrical power therefrom; a flue gas polishing system positioned upstream of the fuel cell separation system and configured to remove contaminants in the flue gas; a flue gas analyzer configured to measure in real-time an amount of the contaminants in the flue gas; and a plant control system operatively coupled to the flue gas polishing system, the flue gas analyzer, and the fuel cell separation system and configured to adjust operational parameters of the flue gas polishing system.

Abstract: A cell stack device includes a manifold and a fuel cell. The manifold includes a gas supply chamber and a gas collection chamber. The fuel cell includes a support substrate and a power generation element portion. The support substrate includes first and second gas channels. The first gas channel is connected to the gas supply chamber, and the second gas channel is connected to the gas collection chamber. The first gas channel is open in the gas supply chamber at a proximal end portion. The second gas channel is open in the gas collection chamber at a proximal end portion. The first and second gas channels are connected to each other on the distal end portion side. The first and second gas channels are configured such that a pressure loss of gas in the first gas channel is smaller than a pressure loss of gas in the second gas channel.

Abstract: An embodiment of the present disclosure provides a device for cooling a battery pack, the device including: a housing including flow passages extending in a first direction; a first sub-housing provided on the housing in the first direction; and a second sub-housing arranged opposite the first sub-housing in the first direction and provided on the housing, wherein the first sub-housing includes a first coupling hole communicating with one of the flow passages and a first guide hole communicating with at least one of the flow passages, the second sub-housing includes a second coupling hole communicating with one of the flow passages and a second guide hole communicating with at least one of the flow passages, and a path of a fluid flowing in the flow passages varies according to installation positions of coupling members inserted into the first and second coupling holes.

Abstract: A cell-monitoring connector is configured to be detachably mounted to a fuel cell. A housing configured such that a portion thereof is insertable into a receiving space. A pair of lever operators is configured to be movable by a first external pressure in a third direction that intersects the first direction and the second direction. A number of levers are coupled to the pair of lever operators inside the housing. The levers include latching protrusions configured to operate in connection with movement of the lever operators. The latching protrusions are movable between a first position at which the latching protrusions protrude in the third direction from an outer surface of the housing and a second position at which the latching protrusions do not protrude from the outer surface of the housing.

Abstract: A plurality of sets of power storage devices each formed by connecting a plurality of power storage devices in parallel are connected in series. A wiring module that is arranged on a plurality of power storage devices each having electrode terminals, the wiring module including: a plurality of connection bus bars each connected to a corresponding electrode terminal and each having 2n (n is a natural number greater than or equal to 2) electrode connection portions; and an insulating protector that houses the plurality of connection bus bars. In each of the plurality of connection bus bars, the cross-sectional areas of the second electrode connection portion from the right of the connection bus bar and the third electrode connection portion from the right of the connection bus bar are set to be larger than the cross-sectional areas of the other electrode connection portions.

Abstract: A battery pack including a plurality of battery cells; and a rigid printed circuit board (PCB) electrically connected to each battery cell and extending across the plurality of battery cells, wherein the rigid PCB includes a bus to electrically connect the plurality of battery cells to each other, and a battery management system (BMS) to control a charge/discharge operation of the plurality of battery cells.

Abstract: Battery systems are provided that include a plurality of modules positioned within an enclosed space (e.g., a room, data center or storage system), wherein at least one of the modules includes a plurality of lithium ion cells and thermal insulator(s) positioned between adjacent lithium ion cells, and wherein the battery systems offer a requisite level of safety by scaling the system such that the internally available volume of the enclosed space (measured in liters) is in the range of about 39±5 times and 80±5 times the amp-hour (Ah) capacity of lithium ion cell(s) positioned therewithin, and associated methods for safe deployment of battery systems in enclosed spaces. The relevant lithium ion cell(s) for determination of Ah capacity is/are the lithium ion cell(s) that is/are thermally insulated relative to adjacent lithium ion cell(s).

Abstract: A solid oxide fuel cell (SOFC) system and method, the system including a power module configured to receive a fuel from a fuel conduit of the system, the power module including a fuel cell stack, a module conduit fluidly connecting the fuel conduit and the stack, and a fuel control valve (FCV) configured to control a flow rate of the fuel in the module conduit. The system also includes a first detector configured to detect a first Wobbe Index (WI) of the fuel in the fuel conduit, and a controller configured to control the FCV to change the fuel flow rate based on whether the detected first WI indicates a change in the composition of the fuel.

Abstract: A secondary battery includes: an electrode assembly including a main tab; a current collecting member adjacent the main tab; and a sub-tab electrically connecting the main tab to the current collecting member. The main tab is in and welded to the sub-tab, and the sub-tab and the main tab are bent in the same direction on the current collecting member.

Abstract: Various variable planar pouch battery pressure optimization systems are presented. The system may include a first and second plate, between which a planar pouch battery cell is installed. Multiple pressure application components may be individually controlled to apply varying pressure to the first and second plate. Various pressure patterns may be tested in order to determine a pressure pattern that optimizes at least one electrical characteristic of the planar pouch battery cell.

Abstract: Batteries according to embodiments of the present technology may include a first battery cell including a first current collector. The batteries may include a second battery cell including a second current collector. The second battery cell may be vertically aligned with the first battery cell, and the second current collector may be positioned adjacent the first current collector. The first battery cell and the second battery cell may be electrically coupled together so the first battery cell and the second battery cell transfer current through the cells between the first current collector and the second current collector. The batteries may also include a patterned coupling material disposed between the first battery cell and the second battery cell and joining the first current collector with the second current collector.

Abstract: The present invention relates to a battery system including a battery module configured to include a plurality of rechargeable battery cells, a housing configured to house the battery module, a printed circuit board disposed on the battery module to include a first surface that faces the battery module and a second surface that is opposite to the first surface, and a connector configured to connect the printed circuit board and an external electrical component, wherein the printed circuit board includes a plurality of bent terminal portions disposed on the second surface, and the connector includes a plurality of metal clamps that are respectively connected to the plurality of bent terminal portions of the printed circuit board. In the battery system of the present invention, the connection between the connector and the printed circuit board can be realized without soldering wires.

Abstract: Electrolytes comprising at least one lithium salt and at least two ionic liquids, at least one of which is an ionic liquid resulting from the association of at least one cation complying with the following formula (I): In which: R1 is an acyclic hydrocarbon group; n is an integer ranging from 0 to 3; m is an integer ranging from 1 to 4; and at least one Y anion.

Abstract: An apparatus includes a thermal battery, which includes a housing and one or more battery cells within the housing. Each battery cell includes an anode, a cathode, and an electrolyte. The electrolyte in each battery cell is configured to be in a solid state when the battery cell is inactive. The apparatus also includes a phase change material around at least part of the housing. The phase change material is configured to conduct external heat into the housing in order to melt the electrolyte in each battery cell and activate the battery cell. The phase change material is also configured to change phase in order to reduce conduction of the external heat into the housing.

Abstract: A fuel cell module is mounted in a fuel cell vehicle. In the fuel cell module, an auxiliary device case is provided on a side part of the fuel cell stack. A hydrogen system auxiliary device for supplying and circulating a hydrogen gas and an oxidizing agent system auxiliary device for supplying and discharging an oxygen-containing gas are placed in the auxiliary device case. A humidifier of the oxidizing agent system auxiliary device includes a fuel gas system protection mechanism. When a load is applied from the front side of the fuel cell vehicle, the fuel gas system protection mechanism prevents interference of the humidifier with the hydrogen system auxiliary device and prevents breakage of the hydrogen system auxiliary device.

Abstract: A composite nanosheet for the cathode of a lithium-sulfur battery, a preparation method thereof, and an electrode and a battery having the same. The composite nanosheet includes carbon nanotubes which are closely accumulated in a two-dimensional plane and are combined together by carbon derived from nanocellulose. Transition metal compound nanoparticles which are uniformly distributed in the nanosheet composite and are fixed by the carbon derived from nanocellulose. Sulfur adsorbed on the surface of the transition metal compound nanoparticles. The composite organically combines and exerts the respective advantages of porous carbon, carbon nanotubes and nano metal oxides/sulfide by designing and constructing the structure of the cathode material.