Novel button type lithium ion battery
A lithium-ion battery, a new type of technology, applied in secondary batteries, battery pack components, circuits, etc., can solve problems such as short circuit of battery products, achieve the effect of improving safety, good sealing, and reducing the risk of battery short circuit
Pending Publication Date: 2021-06-04
HUBEI YUNSEN TECHPARK
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Problems solved by technology
This mode uses the upper case and the lower case of the steel case as the positive and negative electrodes respectively, and its battery products are prone to short circuit problems
Method used
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[0024] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0025] Example: such as figure 1 with 2 As shown, the novel button-type lithium-ion battery of the present embodiment includes a columnar battery core 1 and a columnar shell 2 matched with the above-mentioned battery core 1, and the above-mentioned shell 2 includes a columnar lower shell 21 with an open upper end and a horizontally arranged and The insulating upper cover 22 is sealed and fastened in the opening of the upper end of the lower case 21. The battery core 1 is installed in the outer case 2 and clamped between the bottom wall of the lower case 21 and the upper cover 22. The outer case 2. The inside is filled with electrolyte solution. The casing 2 is provided with a positive electrode and a negative elect...
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Abstract
The invention relates to the technical field of lithium batteries, and in particular relates to a novel button type lithium ion battery. The novel button type lithium ion battery comprises a columnar battery core and a columnar shell matching the battery core, the shell comprises a columnar lower shell with an opening in the upper end and an insulating upper cover which is horizontally arranged and buckled in the opening in the upper end of the lower shell in a sealed mode, the battery core is arranged in the shell and is clamped between the bottom wall of the lower shell and the upper cover, electrolyte is filled in the shell, a positive electrode and a negative electrode are arranged on the shell, and the positive electrode and the negative electrode are respectively connected with a positive plate and a negative plate of the battery core. The button type lithium ion battery has the advantages that the battery shell is easy to process, good in sealing performance and high in safety and reliability, the risk of short circuit of the battery is reduced, and the safety of the button type lithium ion battery is improved to a great extent.
Description
technical field [0001] The invention relates to the technical field of lithium batteries, in particular to a novel button lithium ion battery. Background technique [0002] In recent years, the rapid development of smart wearable devices has provided a large market demand for button lithium-ion batteries. Button lithium-ion batteries are widely used in computer motherboards, electronic watches, electronic dictionaries, Bluetooth headsets, toys and other digital products. [0003] At present, the casing of the button-type lithium-ion battery is mainly made of stainless steel, and its structure is divided into: a metal upper casing, a metal lower casing and a rubber sealing ring. This model uses the upper case and the lower case of the steel case as the positive and negative electrodes respectively, and its battery products are prone to short circuit problems. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a nov...
Claims
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IPC IPC(8): H01M50/155H01M50/153H01M50/109H01M50/166H01M50/55H01M10/0587H01M10/0525
CPCH01M10/0525H01M10/0587Y02E60/10Y02P70/50
Inventor 廖承刚李永钧应明华
Owner HUBEI YUNSEN TECHPARK