What is the temperature limit of high temperature lithium battery?

The battery applicable scope is more and more widely, and battery has become every household necessities. As a battery production country, China has become one of the lithium battery production bases. Many of the major mobile phone brands are made in China, and China's production of mobile phone battery is recognized by the world. High temperature is measured performance of lithium battery is one of the standard of the quality of lithium ion battery.

Cell phone lithium battery set the temperature limit in 40 to 60 degrees, the battery usually marked on explosion-proof valve, and resistance high temperature lithium battery under the high temperature of 800 degrees. General lithium-ion batteries in the test under high temperature, 200 degrees, 500 degrees and 800 degrees, but usually, in daily life do not come into contact with such a high temperature, but we can sometimes see or excessive use of electric battery charging damage happens. Especially more and more intelligent device, the configuration of the battery is curved, safety testing alone have up to 50 the safety monitoring of working procedures, including high temperature project in bending into a battery and more than 50 degrees, in daily life, the temperature, the bending is unlikely to come into contact with the battery.

Some large instruments and equipment battery requires high temperature lithium. Lead is not environmental protection, and it has low energy density, large volume, short cycle life and heavy weight. Now the transformation and upgrade of new products by merchants or upgraded batteries are mostly adopted high temperature lithium battery as the main power supply system equipment. In order to ensure the safety, reliability and life expectancy of the lithium battery, high temperature resistance of lithium battery protection of battery pack will use advanced management system to prevent overcharge, discharge, high temperature, low temperature, or have been destroyed by the short circuit, and even security problems.

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