Abstract: A power system of an electric vehicle, an electric vehicle including the same, and a method for heating a battery group of the electric vehicle are provided. The power system includes: a battery group; a battery heater connected with the battery group; a battery management device, configured to control the battery heater to heat the battery group when a temperature of the battery group is lower than a first heating threshold and a residual electric quantity of the battery group is larger than a running electric quantity threshold, to obtain a current throttle depth change rate of an electric vehicle in real time, and to control the battery heater to stop heating the battery group when the current throttle depth change rate reaches a preset throttle depth change rate threshold; an electric distribution box; a motor; a motor controller; and an isolation inductor.

Abstract: An electrode is provided, which includes a sulfur- and carbon-containing layer having a carbon material, a sulfur material, and a binder. A sulfur content at a core part of the sulfur- and carbon-containing layer is gradually reduced to a sulfur content at two side surfaces of the sulfur- and carbon-containing layer. The electrode may serve as a positive electrode of a battery. The battery also includes a negative electrode, and an electrolyte liquid between the positive electrode and the negative electrode.

Abstract: Provided is a secondary battery module having a through type cool channel for preventing contaminated air generated from a pouch type cell from being introduced into a vehicle, and more particularly, a secondary battery module having a through type cool channel capable of preventing contaminated air generated from battery cells from being introduced into a vehicle and easily cooling heat generated from the battery cells, by sealing an electrode assembly, in which a plurality of battery cells are stacked, by a case, forming a separate gas discharge pipe in the case to discharge the gases to a designated place, and coupling both ends of a partition tube having a cool channel formed therein to contact the battery cells and communicate with an outside of the case.

Abstract: Provided are a bipolar plate that can decrease the internal resistance of a flow battery, a redox flow battery, and a method for producing a bipolar plate. A bipolar plate sandwiched between a positive electrode in which a positive electrode electrolyte flows and a negative electrode in which a negative electrode electrolyte flows includes a positive-electrode-side surface in which a flow channel having a plurality of grooves through which the positive electrode electrolyte flows is provided and a negative-electrode-side surface in which a flow channel having a plurality of grooves through which the negative electrode electrolyte flows is provided.

Abstract: A battery module includes a plurality of battery cells aligned in a first direction and a housing portion fixing the plurality of battery cells, wherein central parts of the plurality of battery cell are concave, and wherein first adhesive members are between adjacent battery cells.

Abstract: A flow battery apparatus is provided with shunted currents repressed. The apparatus has a positive electrode device, a negative electrode device and a plurality of gas-gap devices. Gas-gap devices are separately set between branching channels and inlet and outlet manifolds of positive and negative electrodes. Each of the branching channels separately has an inserting tube to be inserted into one of the gas-gap devices. The diameter of the inserted vessel of gas-gap devices is bigger than the diameter of the inserting tube connected to a corresponding one of the branching channels. Thus, working liquids transferred to the positive and negative electrodes are segregated with coordination of the gas-gap devices. Only air spaces and discrete liquid drops are left between separated parts of the working liquids. Thus, shunted currents are repressed by preventing conductive paths from being formed between the positive and negative electrodes.

Abstract: A fuel cell stack assembly is provided which includes a first bipolar plate, a second bipolar plate, a sub-gasket, and a gas diffusion layer. The second bipolar plate may define a bypass channel with the first bipolar plate. The bypass channel includes at least one embossment formed therein. The gas diffusion layer may be disposed between the first bipolar plate and the second bipolar plate while the sub-gasket is sandwiched between metal bead seals formed in each of the first bipolar plate and the second bi-polar plate.

Abstract: A fuel cell includes a membrane electrode assembly having a substantially rectangular shape having a first side and a second side opposite to the first side in a side direction. The substantially rectangular shape includes a first portion and a second portion. The first portion is closer to the first side than to the second side in the side direction. At least one of a cathode electrode and an anode electrode has a smaller amount of cracks in an electrode catalyst layer in the first portion than in the second portion. A fuel gas outlet manifold and an oxidant gas inlet manifold are closer to the first side than to the second side in the side direction. A fuel gas inlet manifold and an oxidant gas outlet manifold are closer to the second side than to the first side in the side direction.

Abstract: A water battery includes a housing and at least one battery cell mounted in the housing, capable of operating by injecting water into the housing at the time of use. The at least one battery cell includes an anode made of a metal material with a lower ionization tendency than that of a magnesium, an anode drawer electrode electrically connected to the anode, a cathode made of a magnesium material, a cathode drawer electrode electrically connected to the cathode, a collector electrode mounted between the anode and the cathode, a sheet member with water absorptivity and water retention, closely attached to the collector electrode, and a fixing member for pressing to each other and fixing together the anode, the collector electrode, the sheet member and the cathode. The sheet member includes an electrolyte containing nitrophenol, sodium, citric acid and polyvinyl alcohol.

Abstract: Disclosed is a battery pack, which includes a battery module assembly; a first end plate and a second end plate respectively installed at the battery module assembly; a first pressure adjustment bar fixed to the first end plate; and a second pressure adjustment bar fixed to the second end plate, wherein the first pressure adjustment bar includes an accommodation space formed so that the second pressure adjustment bar is slidably inserted therein; and a plurality of hook holes formed along a sliding direction of the second pressure adjustment bar, wherein the second pressure adjustment bar has an elastic hook elastically coupled to any one of the hook holes selectively so that when the second pressure adjustment bar slides along the accommodation space, the second pressure adjustment bar is released from any one of the hook holes and then coupled to another one of the hook holes.

Abstract: A fuel cell unit of a fuel cell module includes a fuel cell stack, a reformer, an evaporator, an exhaust gas combustor, a start-up combustor, and an air preheater. The fuel cell module further includes an air supply channel, a first fuel supply channel, a second fuel supply channel, a switching valve, and an exhaust gas channel. In the exhaust gas channel, the start-up combustor and the air preheater are arranged in the order recited toward the downstream side in a flow direction of a combustion exhaust gas.

Abstract: Provided is an electric storage device and an electric storage apparatus capable of suppressing an increase in thickness of a conductive member due to a rivet member being swaged. The present invention includes a rivet member provided with an insert part, and a conductive member provided with an insert-receiving part through which the insert part is inserted. The insert part has a higher Vickers hardness than the peripheral region of the insert-receiving part.

Abstract: A fuel cell includes a membrane electrode assembly, a first metal separator, a second metal separator, linear protrusions, and embossed protrusions. The first metal separator is stacked on the membrane electrode assembly. The second metal separator is stacked on the first metal separator to define a coolant channel between the metal separators. The first metal separator includes wave-shaped protrusions projecting from the first metal separator by a first height to define to form the coolant channel. The linear protrusions are connected to both distal ends of each of the wave-shaped protrusions. The linear protrusions project from the first metal separator by a second height smaller than the first height. The embossed protrusions are connected to tip ends of the linear protrusions. The embossed protrusions project from the first metal separator by a third height larger than the second height to be in contact with the second metal separator.

Abstract: An electrochemical energy store (10), comprising a housing (12) for accommodating at least one cell unit (24), wherein the housing (12) forms a receptacle space for the arrangement of the cell unit (24), wherein a surface (17) of the housing (12) facing the receptacle space is completely covered by an electrically insulating material (27), wherein the housing (12) also comprises an opening (20) for filling a fluid electrolyte into the receptacle space, and wherein the opening (20) is covered by two overlapping end regions (26, 28) of the electrically insulating material (27). An energy store (10) according to the invention permits a simple means of bringing about sealed internal insulation of a housing (12) accompanied by simultaneously improved manufacturability.

Abstract: A submicron sized Si based powder having an average primary particle size between 20 nm and 200 nm, wherein the powder has a surface layer comprising SiOx, with 0<x<2, the surface layer having an average thickness between 0.5 nm and 10 nm, and wherein the powder has a total oxygen content equal or less than 3% by weight at room temperature. The method for making the powder comprises a step where a Si precursor is vaporized in a gas stream at high temperature, after which the gas stream is quenched to obtain Si particles, and the Si particles are quenched at low temperature in an oxygen containing gas.

Abstract: Provided are a cathode substrate, a high capacity all-solid-state battery, and a method for manufacturing the same. The cathode substrate includes a base in a mesh form and a cathode formed on the base, wherein the cathode is configured to overlap the base. The present invention may resolve a conventional problem of deterioration in battery efficiency, which has been caused by a long distance between an electrode and a cathode, and may produce a high capacity all-solid-state battery while suppressing or preventing an increase in the thickness of the cathode.

Abstract: A battery pack housing forms a container that receives battery modules. The battery pack housing includes container portion and a cover that closes an open end of the container portion. The container portion includes a base, sidewalls that surround the base, and parallel rails that protrude from the base inner surface. The rails have longitudinally-spaced slots that open facing the cover. In addition, an inner surface of the cover portion includes parallel rails having longitudinally spaced slots that open facing the base. The slots are configured to receive and retain pins provided on side surfaces of the battery module housing. The cooperation between the pins of the battery module housing and the slots of the container portion and cover portion permit modules to be easily and securely located within the battery pack housing, and to be quickly removed from the battery pack housing during maintenance.

Abstract: A secondary battery pack includes a battery cell having an electrode assembly in a battery case with an electrolyte. An electrically insulative mounting member is mounted to a top of the battery cell. A protection circuit module (PCM) including a protection circuit board (PCB) is loaded on the electrically insulative mounting member. The PCB has a protection circuit, and a connection member (A) and a connection member (B) coupled to a bottom of the PCB. The connection member (A) and the connection member (B) are coupled to the electrode terminals of the battery cell. The PCB has a through hole, through which the connection member (B) is exposed, and an insulative cap coupled to an upper end of the battery cell to surround the electrically insulative mounting member where the connection members and the protection circuit board are loaded on the insulative cap.

Abstract: A battery cover (1) covers an outer periphery of a fuse unit (13) connected to, through a battery terminal (11), a battery post (9) projecting in a recess (7) formed on an upper surface (5) of a battery (3). The battery cover (1) has a fuse cover part (15) covering the outer periphery of the fuse unit (13), and a terminal cover part (17). The terminal cover part (17) is connected to the fuse cover part (15) to be capable of being opened and closed, is arranged in the recess (7), and covers the battery post (9) and the battery terminal (11). The terminal cover part (17) is provided with a regulating portion (19) so as to regulate a movement of the terminal cover part (17) in a closing direction by coming in contact with the upper surface (5) of the battery (3).

Abstract: A separator for a fuel cell includes a plurality of channels; and an inlet hole and an outlet hole formed in a first side and a second side of the plurality of channels, respectively, such that a reaction gas flows into and out from the separator to be exposed to a reaction surface including a membrane electrode assembly. The inlet hole is larger in size than the outlet hole.