A lead-acid battery electrode including a tubular bag. The tubular bag includes a textile fabric, wherein the textile fabric includes a consolidated binder with thermoplastic properties and at least one electrically conductive additive.

A battery cast-on-strap machine unloading apparatus includes a first and a second unit. Each unit includes a rotary drive mechanism; and, a pinion co-axial with and directly driveable by the rotary drive mechanism. The apparatus further includes an elongate rack. The rack includes teeth along a first side and an opposing second side. The first and second units are mounted adjacent to each other on the rack. Operation of each drive mechanism causes rotation of the respective pinion to be converted into linear motion of the respective unit along the rack. Adjacent rotary drive mechanisms are located on opposing sides of the rack, such that the pinion of the first unit meshes with the teeth along the first side of the rack, and the pinion of the adjacent second unit meshes with the teeth along the opposing second side of the rack.

Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200 C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.

Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200 C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.

A lead-acid battery includes at least one cell including an element and an electrolyte solution. The element includes a positive electrode plate, a negative electrode plate, and a separator interposed between the negative electrode plate and the positive electrode plate. The negative electrode plate includes a negative electrode material. The negative electrode material includes a nonionic surfactant including one or more hydrophobic groups and one or more hydrophilic groups. At least one of the hydrophobic groups is a long-chain aliphatic hydrocarbon group having 8 or more carbon atoms. A content of the nonionic surfactant in the negative electrode material is 8 ppm or more on a mass basis.

A lead-acid battery includes at least one cell including an element and an electrolyte solution. The element includes a positive electrode plate, a negative electrode plate, and a separator interposed between the negative electrode plate and the positive electrode plate. The negative electrode plate includes a negative electrode material. The negative electrode material includes a nonionic surfactant including one or more hydrophobic groups and one or more hydrophilic groups. At least one of the hydrophobic groups is a long-chain aliphatic hydrocarbon group having 8 or more carbon atoms. A content of the nonionic surfactant in the negative electrode material is 8 ppm or more on a mass basis.

Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200 C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.

Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200 C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.

Enveloping machine for enveloping plates for electric storage batteries, comprising a storage for storing plates for electric storage batteries, and a manipulation station for manipulating the plates, which comprises a gripping device for separately picking up the plates from the storage and for depositing them at an enveloping station, which also receives a separator strip in order to enclose the plates with the separator strip itself. In addition, the gripping device comprises a movable trolley actuated to translate between the storage and the enveloping station, and a rotary head mounted on the movable trolley and actuated to rotate between a grip position, in which it picks up the plates placed vertically in the storage, and a release position, in which it deposits the plates horizontally on the enveloping station.

Enveloping machine for enveloping plates for electric storage batteries, comprising a storage for storing plates for electric storage batteries, and a manipulation station for manipulating the plates, which comprises a gripping device for separately picking up the plates from the storage and for depositing them at an enveloping station, which also receives a separator strip in order to enclose the plates with the separator strip itself. In addition, the gripping device comprises a movable trolley actuated to translate between the storage and the enveloping station, and a rotary head mounted on the movable trolley and actuated to rotate between a grip position, in which it picks up the plates placed vertically in the storage, and a release position, in which it deposits the plates horizontally on the enveloping station.