5results about "Semi-lead accumulators" patented technology

The utility model provides a kind of battery with anticreep acid structure terminal, including shell, at least one polar plate group is in the shell, the polar plate group is connected with battery terminal, the shell is equipped with upper cover, and the upper end of battery terminal projects upper cover, at least two annular anticreep acid grooves are set up on the battery terminal, adhesive tape is wound in the annular anticreep acid groove, the battery terminal outside also has plastic sleeve, the anticreep acid groove is wrapped by the plastic sleeve, the side of the shell Four corner has protective boss one, the bottom of the shell Two sides have protective boss two.

The present invention provides a rechargeable rocking chair type aqueous lead ion battery, which is composed of a positive electrode, a negative electrode, a diaphragm therebetween, and an electrolyte containing lead ions and having ionic conductivity. The negative electrode is an electrode containing metallic lead. The active material of the positive electrode is one of manganese oxide, vanadium oxide, sulfur / selenide, Prussian blue analog, polyanion compound or organic electrode material. The electrolyte has a soluble lead salt as solute and water as solvent. The electrolyte has good compatibility with the positive electrode and the lead negative electrode, and the deposition / precipitation of lead shows a high coulomb efficiency, without electrolyte decomposition and other side reactions. The rechargeable rocking chair type aqueous lead ion battery can be charged and discharged in a relatively short time, showing excellent rate performance and long cycle stability as well as good safety.

Battery arrangement (10) especially for a motor vehicle, comprising: - a plurality of battery cells (12) for storing electrical energy, wherein the battery cells (12) each have two electrical contacts (14, 16), - a printed circuit board (18) arranged parallel to the battery cells (12) with a plurality of electrical components, wherein the printed circuit board (18) is electrically connected to the electrical contacts (14, 16) of the battery cells (12) and wherein the printed circuit board (18) has two opposing surfaces (20, 22) and has at least one side surface (24) which connects the surfaces (20, 22) together and on which at least one metallic contact surface (26) is formed, which is electrically connected to at least one of the electrical contacts (14, 16) of the battery cells (16) by means of a bond wire connection (28), characterized in that the battery cells (12) are elongated and the printed circuit board (18) is aligned parallel to longitudinal axes of the battery cells (12).

The invention belongs to the technical field of electrochemical energy storage, and discloses an aqueous lead-sulfur battery, which comprises a positive electrode, a negative electrode and an electrolyte, the positive electrode active material is PbSO4, the negative electrode active material is elemental sulfur, and the electrolyte is a mixed aqueous solution containing Cu < 2 + > and sulfuric acid; in the charging and discharging process, the positive electrode is subjected to PbSO4 / PbO2 conversion reaction, and the negative electrode is subjected to S / Cu2S conversion reaction. According to the invention, the sulfur negative electrode is designed to replace a negative electrode plate of the lead-acid battery and an original electrolyte of the modified lead-acid battery, so that the problem of sulfation of the negative electrode of the traditional lead-acid battery is fundamentally avoided, and the electrochemical properties such as cycle life and rate capability of the battery are greatly improved.

The utility model relates to the technical field of electrolyte preparation, and provides an electrolyte preparation system which comprises a first reaction container, a second reaction container, a buffer container, a protective gas source and a three-way reversing valve, a feeding pipe is arranged on the first reaction container, and a discharging pipe is arranged on the second reaction container; the three-way reversing valve comprises a first interface, a second interface and a third interface, the first reaction container is connected with the first interface, the second reaction container is connected with the second interface, and the buffer container is connected with the third interface; the protective gas source is respectively connected with the first reaction container, the second reaction container and the buffer container. The utility model provides a solution that the sensitive additive cannot exist in the electrolyte for a long time, can realize on-site preparation of the electrolyte, and solves the problems that the existing electrolyte preparation method is difficult to avoid long-time contact between the additive and air, the dispersion and premixing time of the additive in the electrolyte is difficult to control, and the service life of the additive is prolonged. And the additive in the electrolyte is not uniformly distributed, so that the performance of the battery is influenced.