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At present, lithium ion battery is the most popular solution for mobile power supply. However, in some applications, it has reached its limits. This is particularly applicable to electric vehicles, which require a wide range of lightweight compact vehicles. Lithium metal batteries may be another option. They are characterized by high energy density, which means that they store a large amount of energy per mass or volume. However, stability is still a problem because electrode materials react with traditional electr

With the development of electric vehicles, people pay more and more attention to a problem - whether the battery of electric vehicles is safe. Many forum users are discussing this issue. DEKRA Company plans to conduct a series of tests on electric vehicle batteries. During the test, three important electric vehicle batteries in the market will be tested to make the batteries burn and then extinguish them with different emergency extinguishing methods. Markus Egelhaaf, the head of DEKRA accident research team, sa

The progress of mobile devices and electric vehicles is driving the battery technology to obtain new breakthroughs, because only new progress in battery design can meet the energy demand of today's world. From handheld tools to computers and mobile phones, uninterruptible power supplies to satellites, batteries have always been a key design feature of everything. For many years, battery research has been carried out to improve energy density. During the rise of handheld devices, people needed higher energy d

From smart phones to electric vehicles, lithium-ion batteries (LIBs) provide power for everything. With the progress of technology, lithium-ion batteries have made significant progress and completely changed our world. The next step of technological progress is to develop better batteries to provide more lasting power for electronic devices. A promising technique to improve battery performance involves atomic substitution of positive ions or cations in cathode materials. However, it is complex and expensive to syst

Batteries are widely used in daily applications, such as electric vehicles and electronic devices, and are promising candidates for sustainable energy storage. However, as you may have noticed, when you charge the batteries every day, their storage capacity will decline over time. Eventually, we need to replace these batteries, which are not only expensive, but also deplete the rare earth elements used to make them. One of the key factors to shorten battery life is the degradation of battery structural integrity

On July 16, the State Administration of Market Supervision disclosed the recall information, which showed that Great Wall Motors had filed a recall plan with the State Administration of Market Supervision and Administration in accordance with the requirements of the Administrative Regulations on the Recall of Defective Automobile Products and the Implementation Measures of the Administrative Regulations on the Recall of Defective Automobile Products. It is decided to recall 16216 Great Wall Oula IQ electric vehicle

Toyota announced the research results of the manufacturing process of solid polymer fuel power cell (pEFC) electrodes at the "20th Fuel Power Cell Society of Japan" (held in Tokyo's Furuhiro Tower Hall from May 28 to 29, 2013). Toyota said that with the reduction of the use of platinum (pt) catalyst, the influence of electrode manufacturing process on electrode performance will become more and more obvious. The electrode of fuel power cell is generally made by coating catalyst ink consisting of car

The progress of Li ion batteries has made various portable devices feasible and promoted the development of electronic products. However, the inherent shortcomings of traditional lithium ion batteries, which use liquid electrolyte solutions, make them not completely suitable for electric vehicles and other highly anticipated applications. These limitations include limited durability, low capacity, safety issues, and environmental concerns about their toxicity and carbon footprint. Fortunately, scientists are now fo

In early March, at the 9th International Hydrogen Fuel Cell Exhibition held in Tokyo, Japan, Toyota FCHV adv, Nissan X-TRAIL FCV, Honda FCXClarity and others comprehensively demonstrated the research and development achievements of Japanese FCV (fuel cell vehicle). FCV replaced EV (electric vehicle) as a new highlight of this new energy automobile exhibition, which may indicate that fuel power cell technology will become another development direction of new energy vehicles in the future. On the secondary market, th