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Perhaps we think that the Samsung battery explosion should only happen on Note7, but it is not that simple. In fact, some of the recent battery explosions on the Note series of mobile phones have been exposed. This is indeed a bit chilling. Recently, South Korean media reported that South Korean battery maker Samsung SDI said that the company will be able to launch explosion-proof solid-state batteries for smartphones in the next year or two.
According to reports, the solid-state battery described by SDI is the next-generation battery, which will replace the lithium-ion battery used in most current smart phones and electric vehicles. The biggest feature of this kind of battery is that the electrolyte is in solid state, so it can greatly reduce the risk of explosion caused by the short circuit caused by internal battery liquid overflow or external liquid immersion.
According to reports, the battery will be used on smartphones first, and will only be promoted to electric vehicles until safety is fully verified. It is expected that it will have to wait until after 2025 on the car. An analyst at the LG Economic Research Institute also stated that solid-state batteries are the most realistic alternative to lithium-ion batteries because solid-state batteries have evolved faster than other next-generation batteries in the past decade.
It is worth mentioning that there are already auto manufacturers with advanced solid-state battery production technologies, such as Toyota, Japan. About 200 engineers in its technology center are developing solid-state batteries, and their goal is to perform such batteries in 2020. Commercialization promotion. However, unlike Toyota, Samsung SDI may first launch "solid-state batteries" before it considers mass production of solid-state batteries. Solid-state batteries contain a portion of the liquid electrolyte, which is safer than lithium-ion batteries but less than true solid-state batteries, but it has easy-to-manufacture properties. Once Samsung's SDI solid-state battery technology matures, it will be very helpful for the introduction of explosion-proof solid-state batteries for smartphones.
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Stainless steel plate surface smooth, high plasticity, toughness and mechanical strength, acid, alkaline gas, solution and other media corrosion resistance. It is an alloy steel that does not rust easily, but not absolutely. Stainless steel plate refers to the corrosion resistance of weak medium such as atmosphere, steam and water steel plate, and acid resistant steel plate refers to the corrosion resistance of chemical etched medium such as acid, alkali, salt steel plate.
According to the structure is divided into austenitic stainless steel plate, martensitic stainless steel plate (including precipitation hardening stainless steel plate), ferritic stainless steel plate, and austenitic ferritic biphase stainless steel plate and so on four categories? According to the main chemical composition of the steel plate or some characteristic elements in the steel plate to be classified into chromium stainless steel plate, chromium nickel stainless steel plate, chromium nickel molybdenum stainless steel plate and low carbon stainless steel plate, high molybdenum stainless steel plate, high purity stainless steel plate. According to the performance characteristics and use of steel plate classification, is divided into nitric acid resistant stainless steel plate, sulfuric acid resistant stainless steel plate, pitting stainless steel plate, stress corrosion resistant stainless steel plate, high strength stainless steel plate. According to the functional characteristics of the steel plate, it is divided into low temperature stainless steel plate, no magnetic stainless steel plate, easy cutting stainless steel plate, super plastic stainless steel plate. Currently, the commonly used classification method is according to the structural characteristics of steel plate and steel plate chemical composition characteristics and the combination of the two methods. Generally divided into martensitic stainless steel plate, ferritic stainless steel plate, austenitic stainless steel plate, duplex stainless steel plate and precipitation hardening type stainless steel plate or divided into chromium stainless steel plate and nickel stainless steel plate two categories.
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