Recently, several listed companies involved in fuel cell business have released their financial forecasts for the first quarter of 2019, and overall, the situation is promising. Wan Gang, Vice Chairman of the National Committee of the Chinese People's Political Consultative Conference and...

The transition period of subsidies for new energy vehicles is coming to an end, and the subsidy dividend is accelerating to fade. The performance pressure on power battery companies is increasing. Under the pressure of power battery duopoly and intensified competition for the market by foreign...

The issue of safety can be summarized as thermal runaway of power lithium batteries, which means that when the battery is heated to a certain temperature, it becomes uncontrollable. The temperature rises linearly, exceeding 500 ℃ or 1000 ℃, and then it will burn and explode. Why is there thi...

1、 Basic Introduction 1、 Squeeze coating type Regarding extrusion coating, I understand it as applying fluid through a coating head with a special flow channel to a moving substrate. According to the distance between the coating head a...

The technological bottleneck in the development of electric vehicles lies in battery performance, so what is the bottleneck of power lithium batteries? Why do power lithium batteries need to be divided into soft and hard packaging? What is its practical significance? Below is an explanation fr...

The electrolyte solution in the primary battery is made into a gel and does not flow, also known as a dry battery. Ordinary zinc manganese and alkaline zinc manganese batteries are all dry batteries. Secondary batteries, also known as rechargeable batteries or batteries, can be recharged after...

Working principle of lithium-ion batteries Before introducing the shape of the battery, let's first briefly understand the working principle of lithium-ion batteries. Lithium ion batteries are a type of secondary battery (rechargeable battery) that relies heavily on the...

Recently, a seminar on the Guangdong local standard "Technical Requirements for Lithium Ion Batteries and Battery Packs for Unmanned Aerial Vehicles" for lithium-ion batteries used in unmanned aerial vehicles was held at the Guangdong Institute of Product Quality Supervision and Insp...

The current demand in the new energy market continues to be sluggish, with large high-temperature alloy and magnetic material manufacturers having sufficient electrolytic cobalt raw materials, and the spot market transaction scale is relatively small. SMM believes that there is little chance o...

Some small cobalt acid lithium battery manufacturers are concerned about the price increase of upstream cobalt raw materials, and have recently increased their inquiries for cobalt acid lithium. The upstream quotation for cobalt tetroxide in lithium cobalt oxide has increased, while the quotat...