10월, 2018의 게시물 표시

The Instructions of Lithium Batteries. Posted by batterymanufactory.com

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The working principle of the lithium battery is nothing more than charging to reserve energy, and the discharge is converted into other energy and released. It is idle when it is neither charged nor discharged. Therefore, the correct use of lithium batteries has three aspects: correct charging, correct discharge, and proper maintenance. Lithium battery correct charging method Grasp the time and prevent overcharge. Doing the right thing at the right time, although the lithium battery itself has excellent electrochemical performance, however, any kind of thing will have safety hazards after deviating from the equilibrium state. In detail, 1. When charging. In the early days of smartphones, each mobile phone manufacturer often emphasized the use of original chargers (including charging cables) to charge consumers with power out of their original interests. Some manufacturers design special data lines and do not support other devices. Charger (including charging cab

How is the lithium content of the lithium battery calculated? Posted by batterymanufactory.com

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According to the relevant provisions of the "Lithium Battery Air Transport Code" issued by the Civil Aviation Administration: 1. When the battery in the spare battery or equipment is transported as baggage, the lithium content of the lithium metal or lithium alloy battery does not exceed 2g; 2. The rated energy of the lithium ion battery should not exceed 100Wh; 3. For large-scale lithium-ion batteries with rated energy greater than 100Wh and less than 160Wh, they can be carried with them after approval by the air operator, but the number of carriers must not exceed two. 4. The equipment containing lithium battery can be placed in checked baggage or hand luggage, and the spare lithium battery can only be placed in hand luggage. Calculation method: 1, the rated energy calculation method: A. If the nominal voltage (V) and nominal capacity (Ah) of the battery are known, the value of the rated energy can be calculated by calculation: Wh = V x A

3D-printed lithium-ion batteries. Posted by batterymanufactory.com

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Electric vehicles and most electronic devices, such as cell phones and laptop computers, are powered by lithium-ion batteries. Until now, manufacturers have had to design their devices around the size and shape of commercially available batteries. But researchers have developed a new method to 3D print lithium-ion batteries in virtually any shape. They report their results in ACS Applied Energy Materials. This LED bangle, including a lithium-ion battery, was made entirely by 3D printing. Most lithium-ion batteries on the market come in cylindrical or rectangular shapes. Therefore, when a manufacturer is designing a product -- such as a cell phone -- they must dedicate a certain size and shape to the battery, which could waste space and limit design options. Theoretically, 3D-printing technologies can fabricate an entire device, including the battery and structural and electronic components, in almost any shape. However, the polymers used for 3D printing, such as

Building a better battery layer by layer. Posted by batterymanufactory.com

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A team of researchers from Shinshu University in Nagano, Japan is now closer to a thin, high-capacity lithium-ion battery that could open the gates to better energy storage systems for electric vehicles. The research team was led by professor Katsuya Teshima, director of the Center for Energy and Environmental Science (hereinafter called CEES) at Shinshu University in Japan. They published their insights online in August in Scientific Reports. " Lithium-ion batteries are very promising energy storage systems for electric vehicles that require relatively high energy densities," said the study's author Nobuyuki Zettsu, a professor in the CEES and in the Department of Materials Chemistry at Shinshu University. "However, their high operating voltages commonly result in the oxidative decomposition of the electrode surface, which subsequently promotes various side reactions." Lithium-ion batteries store a lot of energy, but the force it takes

X-Rays Reveal Why Lithium-Ion Batteries Can Fail. Posted by batterymanufactory.com

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Over the past three decades, lithium-ion batteries, rechargeable batteries that move lithium ions back and forth to charge and discharge, have enabled smaller devices that juice up faster and last longer. Now, X-ray experiments at the Department of Energy's SLAC National Accelerator Laboratory and Lawrence Berkeley National Laboratory have revealed that the pathways lithium ions take through a common battery material are more complex than previously thought. The results correct more than two decades worth of assumptions about the material and will help improve battery design, potentially leading to a new generation of lithium-ion batteries . An international team of researchers, led by William Chueh, a faculty scientist at SLAC's Stanford Institute for Materials & Energy Sciences and a Stanford materials science professor, published these findings today in Nature Materials. "Before, it was kind of like a black box," said Martin Bazant, a pr