Technical Knowledge

Many people know little about lithium-ion batteries, and the difference between fuel-powered lithium-ion batteries and lithium-ion batteries is not very clear. How to decide in the selection process? The following is an analysis of these two power sources. A fuel-powered lithium battery is a power generation device that directly converts the chemical energy and oxidant in the fuel into electrical energy. It involves theories of chemical thermodynamics, electrochemistry, electrocatalysis, material science, power

Lead-acid batteries are generally composed of 3 or 6 single-cell batteries connected in series, consisting of plates, separators, electrolytes, shells, poles and filler plugs (no maintenance-free batteries). Lead-acid batteries 1. Plates of lead-acid batteries The pole plate is divided into positive plate and negative plate, both of which are composed of grid frame and active material. The purpose of the grid. The ladder has a secondary purpose, which will accelerate the precipitation of hydrogen and

1. Electromotive force The electromotive force is the difference between the balance electrode potentials of the two electrodes. Taking lead-acid batteries as an example, E=Ф+0-Ф-0+RT/F*In(αH2SO4/αH2O). Among them: E—electromotive force Ф+0—positive standard electrode potential, its value is 1.690 Ф-0—negative standard electrode potential, its value is -0.356 R - universal gas constant, its value is 8.314 T - temperature, related to the temperature of the battery F

A subsidiary of LG Group is investing heavily in a U.S. R&D subsidiary to develop the fuel cell business, developing "solid oxide fuel cells," which LG says are third-generation fuel cells. It looks like LG Group is poised to continue pouring R&D dollars into new fuel cells, which it did last year and continue this year. Industry insiders pointed out on the 20th that LG Group subsidiaries LG Electronics, LG Chem, and LGCNS recently invested $38.4 million in LGPureCellSystems, a subsidiary of LG

The development of high-performance power batteries is one of the important measures to promote electric vehicles. Recently, the reporter learned from the second quarter regular press conference of the Chinese Academy of Sciences that the energy density of a variety of power battery cells developed by the Chinese Academy of Sciences has reached more than 300Wh/kg, ranking the world's advanced level; my country's power lithium batteries have entered the core technology. In the stage of large-scale applicatio

1. Lithium batteries are usually divided into two categories according to internal materials: Lithium metal battery: Lithium metal battery generally uses manganese dioxide as the positive electrode material, metallic lithium or its alloy metal as the negative electrode material, and uses a non-aqueous electrolyte solution. Lithium-ion batteries: Lithium-ion batteries generally use lithium alloy metal oxides as positive electrode materials, graphite as negative electrode materials, and use non-aqueous electrol

As fuel cell electric passenger vehicles enter the market, many consumers believe that fuel cells are only used in cars. In fact, fuel cell electric passenger vehicles are probably one of the toughest markets to break right now, and fuel cells can scale to meet many different energy conversion or power needs. Fuel cells are proving to be a versatile technology from primary stationary power and cogeneration applications, to powering cell phones and laptops.(Lithium - Ion Battery Equipment) There are already three

Recently, researchers at Linköping University in Sweden have successfully developed a new type of fuel cell using lignin from trees as a raw material. Unlike batteries that use small molecules such as methanol and ethanol as fuel, this process does not generate carbon dioxide, not only is the raw material green and environmentally friendly, but also the product achieves zero carbon emissions. Lignin is an important structural material for plants and algae. It is common in bark or wood and is one of the by-p

Phased progress has been made in energy density solid-state lithium batteries. In terms of industrialization demonstration of high-energy-density, high-safety deep-sea solid-state lithium batteries, the company has conquered the key core technologies of deep-sea long-endurance power supplies, and has achieved the 11,000-meter pressure chamber test. And the whole deep-sea demonstration application, boosting the national deep-sea power supply to a new height.（Lithium - Ion Battery Equipment） The fire accidents of