Technical Knowledge

The University of Bologna in Italy released news that after 8 years of hard work, researchers at the school have developed a new semi-solid oxygen flow lithium battery NESSOX. With an energy density of up to 1 MWh/ton, it can be recharged in minutes by replacing the liquid electrolyte inside the battery, just like a car "refueling". The battery uses a new type of liquid electrolyte, which can effectively inhibit the formation of substances that cause battery failure and maintain stable battery performance

Not long ago, Zhao Zhongwei, deputy dean of the School of Metallurgy and Environment of Central South University, and his team "packed" a container full of "black technology" equipment, and "tugged a box with a port" from Changsha, Hunan to "Golmud," Qinghai. A huge "black box" container with several water pipes that can "turn decay into magic". The local salt lake brine with high "magnesium-to-lithium ratio" entering the "black box"

EnergyTrend, a new energy research brand under TrendForce, said in a report that, under the influence of China's new energy policy, the demand for power batteries continued to grow, resulting in a shortage of cylindrical lithium batteries for IT. With the market adjustment, the current tight supply situation has been gradually eased. The latest lithium battery quotation shows that the price increase of cylindrical lithium battery in the second quarter is about 1~4%. With the expansion of production capacity,

The lithium battery protection board is the charge and discharge protection for the series-connected lithium battery pack; when fully charged, it can ensure that the voltage difference between the individual cells is less than the set value (generally ±20mV), and realize the equal charge of the individual cells of the battery pack. , effectively improving the charging effect in the series charging mode; at the same time, it detects the overvoltage, undervoltage, overcurrent, short circuit, and overtemperatur

The pursuit of zero-carbon emission vehicles in advanced countries around the world is becoming more and more popular, and the demand for new energy vehicle specifications has become increasingly clear. However, the current sluggish development of lithium battery technology restricts the cruising range and safety, making the upgrade of new energy vehicles slow. Recently The shocking battery fire accident of new energy vehicles has occurred again and again, forcing BMW, Toyota and other international car manufacture

On September 11, Germany's "Automobile Weekly" reported that Volkswagen announced a large-scale electric vehicle development plan "RoadmapE". By 2030, all Volkswagen models will have electric versions, investing 50 billion euros in electric vehicle batteries and 20 billion euros in electric vehicles. car. It is not new for OEMs to invest in batteries, and Volkswagen CEO Murren also said that they are already planning the next generation of electric vehicle batteries, solid-state batteries

All-solid-state lithium-ion batteries use solid-state electrolytes to replace traditional organic liquid electrolytes, which are expected to fundamentally solve the problem of battery safety. They are ideal chemical power sources for electric vehicles and large-scale energy storage. In order to achieve large capacity and long life, and thus promote the practical application of all-solid-state lithium-ion batteries, the development and performance optimization of key battery materials are urgent, including the prepa

lithium battery A primary battery that uses lithium metal or lithium alloy as the negative electrode material and uses a non-aqueous electrolyte solution, which is different from rechargeable lithium-ion batteries and lithium-ion polymer batteries. The inventor of the lithium battery was Edison. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. Therefore, lithium batteries have not been used for a long time. Wi

As the most important technical path for the development of new energy vehicles, fast charging has a significant effect on relieving cruising range anxiety and reducing charging time, so it has also become the market choice of many car companies and battery companies. In the new energy vehicle subsidy adjustment plan released at the end of 2016, the fast-charging pure electric bus is regarded as a separate subdivision product, and a detailed subsidy standard is given: according to the electric capacity of the bu