As the heart of new energy vehicles, power batteries have been the focus of attention in the industry China is a big battery producer, but it is not a big battery producer.

Recently, positive information about the graphene industry has been spreading from the capital market, and the market development of graphene industry has been "boosted" by many parties The bottlenecks encountered by the mass production of graphene have been gradually overcome by relevant r&d teams.

Lithium batteries, lithium-ion batteries, lithium-polymer batteries, people are often confused by these "lithium" batteries, and the necessary explanation of the principle of lithium-ion batteries becomes the key to solving this puzzle Because in all these battery theories involving "lithium", the principle of lithium-ion batteries is a link ，that runs through the three and has a role in carrying forward the past.

On May 11, Premier Keqiang Li visited Toyota's hydrogen fuel cell products bringing hydrogen fuel cell (FCEV) vehicles into the spotlight At present, the development of hydrogen fuel cell vehicles is in the early stage of commercialization.

For every successful energy revolution in human history, there has been a clear main line of logic, which is that there has been an order of magnitude jump in energy density For example, coal is 160 times more expensive than wood, and oil is twice as expensive.

A few days ago, jianghuai released a new electric car iEV6S, which boasts a cruising range of 255 kilometers Such a small car can go so far, although I know this is a theoretical value, but I see some automobile media websites have carried out a cruise mileage test on it, using 51% of electricity to run about 130 kilometers, if so calculated, the actual run of 200 kilometers should not be a problem.

Volvo said it was working on plans to develop electric vehicles and self-driving vehicles, and had enough money to make the transition regardless of whether it had an IPO or notVolvo CEO Haakan? Samuelson said on the 16th that whether Volvo can go public independently, it needs to start to solve the problem of developing electric vehicles and self-driving, and now has enough funds to take advantage of the trend.

China's largest producer of battery materials for lithium has set off waves across the lithium industry after buying a stake in Chile's SQM lithium industry at below-market expectationsAfter SQM traded in New York in the form of ADR, its value loss was as high as 7 billion, making the company's market value less than 15 billion U.

1 Lithium iron phosphate battery: it refers to the lithium ion battery with lithium iron phosphate as the positive electrode material.

Graphene is always surprising and shows even more amazing properties, such as extreme tensile strength or unprecedented conductivity It may now be of great help to ultra-fast laser systems.