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An analysis of why the smart watch lithium battery bulge deformation phenomenon?

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An analysis of why the smart watch lithium battery bulge deformation phenomenon?

Release date:2018-01-06 Author: Click:

The deformation of the bulge in the lithium battery of the smart watch is mainly caused by the increase of the pressure brush in the body, mainly due to the following points.


(1) The valve opening pressure is too high, or the safety valve is blocked. When the pressure in the body increases to a certain degree, the valve cannot be opened normally, in which case the bulge will be deformed.


(2) The float charge voltage is set too high, the charge current is large, resulting in O2 precipitation on the positive electrode plate is accelerated, but it is too late to compound in the negative electrode, and the temperature in the battery body rises quickly. When the exhaust gas does not reach the pressure reaches a certain value, Deformation of the bulge in the VRLA battery.


智能手表锂电池


(3) In VRLA battery charging operation, especially in series battery packs, if the battery pack is overcharged, if there is a poor quality battery, there will often be a phenomenon such as poor internal gas composition, and thus a bulging phenomenon occurs in the electric vehicle lithium battery.


(4) Since VRLA batteries are of a lean liquid design, they leave a reserve path for the compounding of gases, and if there is a "rich liquid" phenomenon, they will block the diffusion of O2 to the negative electrode and reduce the recombination rate of O2. Increase.


Smart watch lithium battery purchase preferred Xin Rui battery company, Xin Rui is a professional R & D, custom, production and sales of lithium-ion battery high-tech enterprises, the company has independent import and export rights and general taxpayer qualifications. Have their own company's independent brand (Xin Rui battery). Xin Rui, the front-end application of lithium batteries as the direction of development, to provide "high-quality, efficient, environmentally friendly" lithium battery products for the mission. With continuous independent research and development, innovation and design capabilities, good quality control system and high-quality products and services, it has been recognized by many well-known enterprises and developed into a strategic partner.


The company has an engineering and technical team with a strong R&D capability in the lithium battery industry and hardware and software for many years. It is always concerned about the development of lithium batteries and the latest applications, and maintains long-term and stable cooperation with world-renowned chip companies and cell manufacturers. The latest technological achievements and ideas are applied to the full range of product development processes. The company operates in strict accordance with ISO9001 quality management system. The manufacturing workshop is equipped with advanced production equipment and first-class testing equipment. At the same time, it has a group of professional production and quality management teams. Each step of the production process is strictly controlled, and through process optimization and improvement, we ensure To provide customers with first-class quality products.


Company's main products: 18650 lithium battery, polymer lithium battery, lithium battery electric car, lithium battery balance car, LED lamp lithium battery, electric wheelchair lithium battery, medical equipment lithium battery, industrial mobile lighting lithium battery, electric Tools Lithium batteries, industrial lithium batteries, detection equipment lithium batteries, lithium battery UPS, communication base station lithium batteries and other lithium battery packs and lithium battery products.

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