-Lithium electronic battery: the

Lithium electronic battery: the "powerful heart" of smooth operation of electronic products
author:enerbyte source:本站 click553 Release date: 2023-02-02 09:47:00
abstract:
In recent years, China's power lithium-ion battery has developed rapidly, which is mainly due to the strong support and correct guidance of national policies for the new energy vehicle industry. Driven by the national energy conservation and environmental protection policies, the sales of new en...

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In recent years, China's power lithium-ion battery has developed rapidly, which is mainly due to the strong support and correct guidance of national policies for the new energy vehicle industry. Driven by the national energy conservation and environmental protection policies, the sales of new energy vehicles have increased year by year. As the main supporting body of new energy vehicles, the market demand is naturally "rising". The vehicle-level lithium-ion battery with high energy density and high stability has expanded the prospects of the electric vehicle industry and has been initially recognized by the government and the market.

As a rechargeable battery, lithium-ion battery mainly depends on the movement of lithium ions between the positive and negative electrodes. The upstream raw materials of lithium ion battery industry mainly include nickel, cobalt, manganese, lithium ore and graphite ore, which constitute electrolyte, positive and negative electrode materials, electrode substrate, diaphragm, etc; Midstream refers to the manufacturing and packaging of the diaphragm, positive and negative electrode materials, electrolyte and electrode substrate after they are assembled into the core; Downstream is the application field.

In fact, people are familiar with lithium-ion batteries, which have been widely used in smart phones, laptops, tablets and other portable electronic devices. According to the concept of application field, lithium-ion batteries are mainly divided into three types, namely, consumption type, power type and energy storage type.

Specifically, lithium-ion batteries can be divided into lithium manganate, lithium iron phosphate, lithium cobaltate and lithium nickel cobalt manganese. Now many car manufacturers choose lithium nickel cobalt manganese, which is often referred to as ternary lithium-ion batteries. Compared with other types of lithium-ion batteries, ternary lithium-ion batteries have higher energy density and can make the car run farther under the same volume, so they are favored and recognized by many consumers.

At the same time, almost all smart phone batteries are lithium-ion batteries at present. The movement of lithium ions in the electrolyte solution required by the chemical reaction between the positive and negative poles generates electricity, thus providing power for mobile phones. Due to its high charging and discharging efficiency, relatively thin and compact, this kind of lithium-ion battery has gradually become the mainstream of mobile phone batteries.

In 2019, the cumulative installed capacity of lithium ion batteries for new energy vehicles in China was 62.2 GWh, with a year-on-year increase of 9.3% and a rapid growth. Some analysts pointed out that the market scale of lithium electronic battery industry will continue to expand in the future. It is expected that the scale of China's lithium electronic battery industry will exceed 600 billion yuan by 2025.

It is worth mentioning that with the development of intelligent manufacturing industry, lithium-ion battery, as an emerging industry, is at an important turning point from naive to mature. In the process of lithium battery industry moving towards high-quality development stage, the large-scale improvement of industrial chain and the intensification of competition among enterprises are two obvious signs.

At present, lithium-ion batteries have become the preferred technology for many applications, attracting the high attention of many market participants in the supply chain. Battery R&D laboratories, material suppliers, battery component developers and manufacturers, battery and battery pack manufacturers, and system integrators are all stepping up the pace of layout to achieve breakthroughs in key materials and core technologies of lithium batteries.

In addition to developing high-performance lithium electronic battery products, it is also important to do a good job in recycling waste lithium electronic batteries. According to the report released by the international market research institute Markets and Markets, the global lithium ion battery recycling market size in 2019 was about 1.5 billion dollars (about 10.5 billion yuan), and it is expected that this figure will increase to 12.2 billion dollars (about 85.2 billion yuan) by 2025. Promoting the disassembly of lithium electronic battery components and the reuse of available components also helps to improve the utilization rate of resources and reduce environmental pollution.

From the early lead-acid battery, to the Ni-MH battery dominated by Japanese enterprises such as Toyota, and to the lithium-ion battery used by Tesla Rover in 2008, the traditional liquid lithium-ion battery has dominated the power battery market for many years. In the future, industry users will further strengthen their demand for energy density and safety of lithium electronic batteries, and ensuring the practicability and safety of lithium electronic batteries will become a major issue before entrants.

At present, in the context of cost reduction, efficiency improvement and gradual improvement of battery capacity, electric vehicles that actively respond to the national call for energy conservation and emission reduction have gradually become an important tool for people's daily travel. And the practical application of all kinds of new walking tools can not be separated from the small part of battery.

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