Full-sealed battery case used for nano silicon-magnesium solid battery

Abstract

A full-sealed battery case used for a nano silicon-magnesium solid battery includes a case body and an upper cover which is arranged thereon. Protruded clamping grooves are respectively arranged on the two sides of the upper end surface of the upper cover and longitudinally penetrate through the two side surfaces of the upper cover. Bulges, which are matched with the protruded clamping grooves insize, are disposed longitudinally on the lower end surface of the case body. A first groove and a second groove are arranged in the middle of the upper end surface of the upper cover, wherein a material feeding pipe is arranged on the middle of the first groove, and the inner side walls of the second groove and the material feeding pipe are provided with threads. The material feeding pipe is provided with a cover plate which is in seal connection with the material feeding pipe. Threads are formed on the side wall of the cover plate. A cylindrical projection is formed on the middle of the coverplate and is matched with the material feeding pipe in diameter. Threads are formed on the outer surface of the cylindrical projection.

Description

technical field [0001] The invention relates to the technical field of storage battery production, in particular to a fully-sealed battery case for nano-silicon-magnesium solid-state batteries. Background technique [0002] Solid-state batteries, because their electrolytes use solid composite materials, have application and technical advantages that are clearly distinguished and superior to liquid electrolytes. However, most of the known batteries on the market are lead-acid batteries, and the electrolyte of this battery is sulfuric acid. It is easy to cause environmental pollution, low storage capacity, and short service life. With the development of technology, people have invented a colloidal battery, which is mainly composed of a battery tank, a pole plate, a separator and a silica colloidal electrolyte. The storage battery has good environmental performance, high storage capacity, long service life, and the colloid is not easy to leak and wear. [0003] Chinese patent...

AI Technical Summary

Problems solved by technology

[0003] Chinese patent number: 201520135538.3 discloses a new type of nano-silica gel storage battery, including a box body and an upper cover. The left end of the upper end surface of the upper cover is provided with a positive electrode column installation hole, and the upper end surface of the upper cover is provided with a negative electrode column installation hole at the right end. There is a liquid filling hole with internal thread in the middle of the end face of the cover, and a cover plate with external thread is provided at the upper end of the liquid filling hole, and the cover plate and the liquid filling hole are threaded to connect the protective sleeve; it can be seen that for the technology disclosed in the above patent solution, the liquid filling hole and the cover plate are only connected through internal and external threads, and its sealing performance is poor, which may easily cause insufficient isolation between the electrolyte and the external environment, resulting in contamination of the solid electrolyte; for the existing solid-state battery box Insufficient design, the present invention aims to develop and design a fully sealed solid-state battery box structure, improve the adaptability and sealing of the battery box, and when assembled, the superposition of the battery pack is more stable, and large-scale splicing can be realized

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