Micro macro release does not burn the battery technology
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The release of non-combustible battery technology from the active defense and passive defense of the two levels around the safety of lithium-ion batteries to solve the battery industry is extremely innovative, leading new technology is expected to refresh the global lithium battery safety technical standards .
According to the data provided by micro-macro, lithium-ion battery as an energy carrier, there is an uncontrollable short-circuit risk in the production and use. According to the current industry's highest standard of 18650 batteries 2ppm rate of control to calculate, for every 100,000 cars sold, there are 1600 high risk of spontaneous combustion.
Micro-macro company CEO Wu Yang introduced micro-macro in 2008 began to focus on electric vehicle powertrain research and development, they established the "10 minutes fast charge", "long life" and "non-burning" of the three elements of R & D, and These core R & D elements are also the cornerstone of the micro-macro strategy for electrified urban transport (CCT) for urban transport. Nowadays, "10 Minutes Fast Charge" and "Long Service Life" have been widely recognized by our customers through the continuous implementation of CCT strategy. With more than 10,000 sets of applications in over 100 cities in 6 countries around the world, This release, it is also micro-macro lasted eight years of research and development, after a variety of experiments at home and abroad fully verified non-combustion battery technology achievements.
Studies have shown that lithium-ion batteries in the event of thermal runaway, the most heat is the electrolyte, so do not burn the electrolyte is to ensure that the battery does not burn the most important issue to be solved. How to make the electrolyte does not burn at the same time, but also to ensure the battery fast charge and long-life characteristics, which need to endure the loneliness of continuous research. In the field of demonstration experiments, the reporter saw that does not burn the electrolyte does not ignite, but at the same time made of the battery can achieve the ability of 10 minutes fast charge. Micro-macro technicians said that this non-burning battery cycle life of more than 1 million charge and discharge.
In the realization of the electrolyte does not burn, the high-performance membrane is also an important guarantee to ensure the safety of lithium-ion batteries. Ordinary Lithium-ion battery separator usually lower melting point, it will shrink at about 130 degrees Celsius, resulting in internal short-circuit the battery, thermal runaway. As a membrane technology expert with 30 years of actual combat experience, Li Xiang, CTO of Micro Technology proposed the idea of ​​high temperature resistant diaphragm. Compared with the ordinary PE membrane, the high temperature resistant membrane has a higher melting point, which can ensure that the battery will not shrink even under the high temperature of 300 degrees Celsius, preventing the battery from internal short circuit so as to avoid thermal runaway.
Solve the lithium-ion battery inside the electrolyte and diaphragm problems, the equivalent of non-combustion battery initiative to set a defensive measures. In terms of battery-system-level safety, Micron also demonstrated its passive defensive measures - the immersed STL intelligent thermal control fluid technology. As a material with excellent insulation, flame retardancy and thermal conductivity, STL can quickly isolate the thermal runaway point when a slight internal short circuit occurs inside the battery pack, and reduce the temperature of the thermal runaway point with liquid to minimize the battery pack Security Risk. As a passive defensive system, in addition to safety, STL can also balance the internal battery temperature difference, and the use of external circulation to achieve better temperature control, and even if the battery leakage, but also promptly detected by liquid, more safety Protection.