A grid plate (20) for a lead acid storage battery comprising a frame section (21) having a pair of quadrangular contour shape, and longitudinal grid strands (24) and lateral grid strands (23) that form a grid inside the frame section (21). The longitudinal...

It is an object of the present invention to provide a lead-acid battery having a reliable exhaust structure suppressing unexpected leakage of acid mist and gas to outside the battery, and a method for fabricating such a lead-acid battery. [0002] A first ga...

A rechargeable battery is provided such that the positive electrode comprises lead, the negative electrode zinc, and the electrolyte is an aqueous solution of an alkali metal sulphate. Upon discharge, lead dioxide is reduced to lead sulphate and zinc is ox...

A lead storage battery including a cell, a cell chamber, and a gas exhaust unit. The gas exhaust unit includes a small chamber provided in a battery lid and including a first exhaust path having an opening at the cell chamber side, a covering body mounted ...

The present invention relates to a lead-acid battery including a positive electrode plate, a negative electrode plate, and an electrolyte solution, wherein the negative electrode plate includes a negative electrode current collector having a lattice-like g...

Electrical protective resistors are incorporated in individual cells.

The present invention is directed to a single point watering system for refilling individual cells of a multi cell monobloc lead-acid battery wherein each battery cell is fitted with a refill control valve. The system includes a manifold and a swivel conne...

The invention provides a separator in lead acid battery, composed of fiber material and polymers; the polymers provide functions of increasing the mechanical strength for separators, avoiding shortage between positive and negative electrodes, and decreasin...

The lead-acid battery comprises an anode, a cathode and an electrolytic solution. The anode is added with carbon, and a simple substance and/or compound having a catalyst for desulfurization or oxidation of sulfur oxides. An independent claim is included f...