技术知识

For consumer batteries, because the power consumption of electrical devices is relatively small, the power output of a single battery core can basically meet the requirements, so several batteries are rarely used together. The power of a single battery cell is small. When encountering applications with high power output, such as electric vehicles and energy storage, it is necessary to connect many cells in series and parallel to obtain relatively high output voltage/output power/output current/output power, etc. .

Power lithium batteries for new energy vehicles can be divided into secondary batteries (including lead-acid batteries, nickel-cadmium batteries, nickel-metal hydride batteries, and lithium-ion batteries) and fuel power batteries. We will refine it, starting from the classification of lithium-ion batteries, and analyze the mainstream technical routes of power lithium batteries currently on the market. working principle First of all, correct a concept. Lithium-ion batteries are usually divided into two cate

Introduction: German scientists have created a solar cell with an ultra-thin transparent layer that is said to effectively prevent recombination events. The researchers say the technology has the potential to achieve efficiencies approaching 26% and could be easily scaled up for commercial production. Researchers at the Jülich Institute for Energy and Climate Research (IEK-5) in Germany claim to have created a solar cell prototype based on transparent passivated contacts (TPC) with a power conversion effici

Introduction: Researchers at the University of Warwick in the UK have discovered an effective way to replace graphite in anodes with silicon, increasing the capacity of lithium-ion batteries and doubling their lifespan, by strengthening the structure of the anode with graphene beams. above. Researchers at Warwick Manufacturing Group have made significant progress in replacing lithium-ion battery anodes with silicone. By adding graphene beams, the scientists managed to overcome the inherent performance issues

Introduction: A new study from the Technical University of Munich shows that Asian developers are leading the way in energy storage systems and far outpacing their U.S. and European competitors. A new study from the Technical University of Munich (TUM) shows that the number of patent applications for electrochemical energy storage technologies has risen sharply in recent years, with the majority being for lithium-based technologies. The report, Monitoring Innovation in Electrochemical Energy Storage Technolog

Lithium-sulfur batteries have received great attention from academia and industry due to their high theoretical specific capacity (1675mAhg-1) and energy density (2600Whkg-1). However, problems such as severe polysulfide (Li2Sn, 4≤n≤8) shuttle and poor sulfur conductivity seriously restrict the practical application of lithium-sulfur batteries. At present, researchers have taken many measures to address the above problems, such as sulfur composite electrodes. Recent studies have shown that separators have an

According to foreign media reports, scientists at Berkeley Lab in the United States have used new methods to elucidate the least understood parts of lithium-ion batteries, laying the foundation for significantly improving battery performance. (: Berkeley Lab) Using a technique developed by scientists in the laboratory's field of energy technology, the researchers hope to elucidate the structure of large organic molecules that occur during battery operation. It is known that these molecules are present in

5G+ lithium-ion battery new technology rewrites the development pattern of my country's coal industry. Mining operations are in the era of mechanization, gradually moving toward automation, and placing higher demands on communications. 5G technology can effectively improve the control level of scenarios such as intelligent mining and intelligent excavation, as well as the reliability and maintainability of monitoring data transmission. The safe, reliable and stable operation of lithium-ion batteries directly af

Lithium batteries mainly consist of four parts: positive electrode, negative electrode, non-aqueous electrolyte and separator. Currently, the most commonly used lithium batteries on the market are lithium iron phosphate batteries and ternary lithium batteries. The cathode raw materials of the two are quite different, and the production process is relatively similar, but the process parameters need to change greatly. If lithium iron phosphate is completely replaced with ternary materials, the rectification effect of