Technical Knowledge

Electric vehicle lithium ion battery packaging tutorial 1. Preparation materials, including stainless steel battery boxes, 60V24AH lithium -ion batteries assembled for electric vehicles, and lithium -ion batteries must be selected from electric vehicle power lithium -ion batteries. 2. 20 lithium -ion batteries, a total of 8 strings. 3. 8 string of lithium -ion batteries are connected in parallel, and use partitions and tape to do well. 4. Fixed adhesive tape, tandem welding protection line. 5. Welded

The factors affecting the safety performance of power lithium battery run through the life cycle of power lithium battery from the selection of battery core to the end of use, so the reasons are complex and varied. The cell material itself, the cell manufacturing process, and the design and operating conditions of BMS (battery management system) and safety in battery integration are all factors affecting the safety performance of lithium-ion batteries. In these links, it is difficult to prevent manufacturing errors

What is the energy density? First, let's simply understand what the battery energy density is. There are two types of energy density: weight energy density and volume energy density. At present, the most referenced is weight energy density. Its calculation formula is: weight energy density=battery capacity× Discharge platform/weight, in Wh/kg (watt hour/kg); The calculation method of bulk energy density only needs to change the weight of the above formula into volume, in Wh/L (watt hour/liter). In s

What is Bohm stone Boehmite（ γ- AlOOH) is an important component of bauxite and an important chemical raw material with unique crystal structure. It is widely used in many fields, such as catalysts and carriers, paper fillers, inorganic flame retardants, etc. Especially as a precursor, it can prepare aluminum oxide, which is widely used in ceramics, electronics, adsorption and catalysis, and has broad application prospects. At present, the preparation of inorganic nanomaterials with specific morphology has

According to media reports, Estonian start-up Skeleton Technologies is developing a graphene enhanced SuperBattery, which can be fully charged in 15 seconds and will not deteriorate after hundreds of thousands of charge-discharge cycles. In addition, it was also reported that the company recently signed a letter of intent worth 1 billion euros with a leading automobile manufacturer to bring the technology to the market. According to Taavi Madiberk, founder and CEO of Skeleton, the technology may be listed as early

CATL is developing a new type of drive battery without nickel and cobalt. This new type of battery will be different from the existing NCA, NCM and LFP batteries, and will not use expensive metals such as nickel or cobalt. Meng Xiangfeng, assistant chairman of CATL, said at the China Automotive Forum that the company is developing a new type of drive battery without nickel and cobalt. This new type of battery will be different from the existing NCA, NCM and LFP batteries, and will not use nickel or cobalt and ot

Car and mobile phone batteries often heat up and sometimes catch fire. In most cases, the culprit behind such incidents can be traced back to lithium batteries. Although the lithium battery can continuously supply current and keep the equipment powered, the lithium battery will often be short-circuited inside, causing the equipment to heat up. According to foreign media reports, researchers at Texas A&M University in the United States have invented a technology that can prevent lithium battery from heating a

On August 11-13, the 12th China Auto Blue Book Forum with the theme of Winter Bud was held in Wuhan. During the three-day meeting, many heavyweight automobile industry people made speeches and dialogues around 23 topics for discussion. At the scene, Yang Hongxin, president of Honeycomb Energy, analyzed the power lithium battery pattern and future technology development route. He said that the lamination process and low cobalt and cobalt free have become the trend of battery development. In his view, the cobal

Today's lithium batteries have many evidences to prove their shortcomings, which prompted people to consider using too many new materials in such devices. When it comes to anode, the goal is to integrate materials and better charge rate and energy density than commonly used graphite, and find a safe way to use lithium without risking dendrite. Lithium titanate has proved its prospects and has certain commercial value, but the anode made of this material often has lower energy density than graphite and challe