Lithium battery basics

Release time:

2023-05-26

1, lithium-ion battery (single cell battery): containing lithium ions and can directly convert chemical energy into electrical energy device, change the device includes electrodes, diaphragm, electrolyte, container and terminals, etc., and is designed to be rechargeable battery called lithium-ion battery, (familiar lithium battery);

2, battery pack (battery pack): there are any number of lithium-ion batteries combined into a ready-to-use combination, change the combination includes the appropriate packaging materials, connectors, may also contain electronic control devices;

3, mixing: is the active material, adhesive, conductive agent, solvent, etc. through the mixing, dispersion and preparation into a uniform slurry process.

4, negative electrode coating: the slurry is evenly applied to the substrate, and the substrate is dried through the oven, while the steam in the oven is recovered through the recovery system;

5, liquid injection: complete the process of electrolyte injection into the lithium-ion battery cell, liquid injection methods include manual liquid injection and mechanical automatic liquid injection;

6, chemistry: the electrochemical process of activating the active material of the battery and forming a dense and stable SEI film on the surface of the battery, usually refers to the process of charging the battery for the first time;

7, aging static: the battery will be formed after storage in a certain standard environment for a period of time, a screening process of poor quality products, usually divided into room temperature static and high temperature static;

8, finished battery: the products that have been inspected and packaged into storage, or although not in storage, but has been the lithium battery products for storage procedures.

9, semi-finished batteries: after the inspection and formation of charged, did not carry out the inspection, the battery before entering the finished battery warehouse.

10, raw and auxiliary materials: materials required for the production of lithium-ion batteries, including positive and negative electrode materials. Conducting agent, binder, diaphragm, electrolyte, fluid collector, shell, safety valve, etc.;

11, sub-standard batteries: batteries tested, some of the performance, specifications can not fully meet the requirements of the battery;

12, end-of-life battery: can no longer continue to use, scrap or unqualified battery;

13, flash point: under the specified experimental conditions, combustible liquid or solid surface vapor and air to form a mixture, the minimum temperature of the liquid or solid that can flash ignition when encountering an ignition source (using the closed cup method of testing);

14, fire partition: the use of firewalls, floor and other fire separation facilities within the building separated from the area, the fire will be limited to a certain local area, not to make the fire spread;

15, fire spacing: to prevent the burning building in a certain period of time caused by combustion to adjacent buildings, to facilitate fire remediation of the interval distance;

16, fire partition wall; building to prevent the spread of fire to adjacent areas and fire resistance limit of not less than the specified requirements of non-combustible walls;

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Lithium battery basics

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