Abstract: An exhaust structure is provided on an upper part of a storage battery. In the structure, an exhaust chamber is formed with an inlet, through which gas generated from a cell chamber of the storage battery is introduced, a first outlet, arranged in an upper portion of the exhaust chamber and through which the gas is exhausted to an exterior of the storage battery, a second outlet, arranged in a bottom portion of the exhaust chamber and communicated with the cell chamber, side walls and a bottom wall defining the exhaust chamber. The bottom wall is slanted toward the second outlet. A plurality of plate members, which intercepts liquid contained in the gas. Each of the plate members is extended from one of the side walls such that a distal end portion faces another one of the side walls while defining a gap therebetween, and is slanted toward the second outlet so that the intercepted liquid is guided to the second outlet and returned to the cell chamber.

Abstract: A process for producing a lead-acid battery, in which a lead bushing 1 cast in a lid b of an assembled lead-acid battery A and a pole 2 inserted through an insertion hole 3 in the lead bushing 1 are welded together by applying a laser beam 4b thereto. At the time of the laser welding, as desired, a jig 7 is so placed around the lead bushing 1 as to surround it and the laser welding is carried out.

Abstract: A pasting machine is provided for paste of an active material for a lead battery which is capable of continuously applying stably and favorably, not only a paste of active material for a negative electrode, but also a paste of active material for a positive electrode, to a continuous substrate. There is arranged within a hopper 1 a pair of front and rear paddles 2,2 located above, a delivery roller 3 located below, a vaned roller 5′ located at a rear side of the intermediate portion, and an auxiliary roller 4 located diagonally to the upper front of the delivery roller 3 spaced from and opposed to the delivery roller 3. A delivery opening 6a of an orifice plate 61 fixed to the lower end of the hopper 1 is made open to direct paste in the same direction as the travel direction of a continuous, substrate A.

Abstract: In a power supply system connected to a load, a plurality of DC power source units are connected in parallel. Each DC power source unit is provided with a unit rated current value Iu, and outputs a unit current in accordance with a target value. A required load capacity provider provides a capacity value Is required in the load. An operating condition detector detects the number m of DC power supply unit which is in an operating condition among the DC power source units. A target value calculator calculates a value obtained by dividing the value Is with the value m, and provides the calculated value Is/m to the respective operating DC power supply unit as the target value.

Abstract: In a terminal structure wherein the led-out plate portion of a plate terminal one end plate portion of which is connected to an electrode pole jutting out of the cover of a storage battery is fixed onto the top face of the cover, when external lead wire is clamped to the plate terminal by a bolt and a nut, the plate terminal is liable to incline, turn, twist, deform or float due to a large clamping torque. A terminal structure of a storage battery as prevents such drawbacks from occurring and as is stable and stout against the clamping torque, is provided.

Abstract: A pasting machine is provided for paste of an active material for a lead battery which is capable of continuously applying stably and favorably, not only a paste of active material for a negative electrode, but also a paste of active material for a positive electrode, to a continuous substrate. There is arranged within a hopper 1 a pair of front and rear paddles 2,2 located above, a delivery roller 3 located below, a vaned roller 5′ located at a rear side of the intermediate portion, and an auxiliary roller 4 located diagonally to the upper front of the delivery roller 3 spaced from and opposed tc the delivery roller 3. A delivery opening 6a of an orifice plate 61 fixed to the lower end of the hopper 1 is made open to direct paste in the same direction as the travel direction of a continuous, substrate A.

Abstract: There is provided a method of producing an active material of a positive electrode used for an alkaline secondary battery which is difficult to be oxidized, and high in its reactivity with an alkaline electrolyte to form a cobalt electric conductive matrix improved in electric conductivity. The method of producing thereof is characterized in that nickel hydroxide powder is dispersed in an aqueous solution of a strongly acidic cobalt salt and the dispersed solution thereof is, while being stirred, added gradually with an aqueous alkali solution to made to react one with another to precipitate a cobalt hydroxide while maintaining the reaction solution in the region of acidity to neutrality, and a solid part in which the cobalt hydroxide is mixed in the nickel hydroxide is separated from the reaction solution which is in the region of acidity to neutrality after the completion of the reaction, and is then washed with water.

Abstract: A separator sheet is formed of a plastic material and has a number of ribs formed on one side thereof. The ribs extend in the direction in which the separator sheet is fed. The sheet is overlaid with a glass mat, and a laminated member obtained thereby is moved into the region between a pair of driving rolls. After being sandwiched by the driving rolls, the laminated member is fed into an envelope apparatus. In an adhesive coating step, a hot melt type adhesive is coated on one side of the glass mat. The adhesive is coated at portions C corresponding to the base sections between the ribs of the sheet, in such a manner that the coated adhesive forms a line extending in the longitudinal direction of the glass mat. In a stacking step, the sheet and the glass mat are stacked one upon the other.

Abstract: A separator sheet is formed of a plastic material and has a number of ribs formed on one side thereof. The ribs extend in the direction in which the separator sheet is fed. The sheet is overlaid with a glass mat, and a laminated member obtained thereby is moved into the region between a pair of driving rolls. After being sandwiched by the driving rolls, the laminated member is fed into an envelope apparatus. In an adhesive coating step, a hot melt adhesive is coated on one side of the glass mat. The adhesive is coated at portions C corresponding to the base sections between the ribs of the sheet, in such a manner that the coated adhesive forms a line extending in the longitudinal direction of the glass mat. In a stacking step, the sheet and the glass mat are stacked one upon the other. In the pressing step, the laminated member is sandwiched between the driving rolls, and the adhesive-coated portions of the glass mat are tightly pressed by the ribs provided on the circumferential surface of the driving roll.

Abstract: A lead or lead alloy strip useful for lattice plates of batteries, which is characterized by having recrystallized structure, and a method and apparatus for continuous manufacturing of said alloy strips directly from molten lead or lead alloy advantageously.

Abstract: A cover apparatus in a monoblock storage battery of the type in which the underside surface of the battery cover is provided with cell partition walls for defining a plurality of cell chambers. The underside surface of the cover is further provided with mutually facing walls crossing transversely the cell partition walls and a cover wall on the lower surface thereof which defines an exhaust passage duct common to the plurality of cell chambers which permits the escape of gas generated in the cell chambers while effectively preventing leakage of electrolyte from the battery during gas venting.

Abstract: A splash-proof device for use in a storage battery is a cylindrical member which is provided interiorly with a helical splash-proof baffle for purpose of preventing a liquid spray from being leaked out of an electrolytic cell, and is provided integrally with an electrolytic cell cover. Since a gas escape passage formed in the splash-proof device is made helical, the condensation effect of the liquid spray and the liquid spray leakage-proof effect are both prominent.

Abstract: A rechargeable galvanic cell which comprises a zinc anode, a cathode and an electrolyte wherein the electrolyte comprises an aqueous alkaline solution containing alkali metal zincate and a polycation in an amount sufficient to suppress the formation of zinc dendrites on the surface of the zinc anode during cell charge.