According to some analysis, quasi-solid lithium battery will be industrialized in 2020, and all-solid lithium battery will be industrialized in 2025. Globally, more than 50 manufacturing companies, startups and universities are working on solid-state battery technology. Foreign leading companies in this field include France's Bollore, America's Sakit3 and Japan's Toyota. In 2015, France launched 3,000 Shared electric vehicles with solid-state lithium batteries, which are produced by French battery manufacturer Bollore. However, such batteries have not been commercialized on a large scale.

In order to seize the opportunity in the field of new energy in the future, domestic companies are also actively developing all-solid-state lithium batteries, among which five companies are the most prominent, namely: ningde times, qingtao energy, jiawei share, ganfeng lithium, and Beijing weilan.

Ningde era

After investigating the global solid-state battery enterprises, ningde times determined its development direction. In October 2016, Dr. Liu na of ningde new energy introduced the layout and research and development path of ningde new energy in the field of polymer solid-state lithium metal batteries and sulfide solid-state batteries.

The entire manufacturing process for solid-state batteries is different from the traditional lithium ion manufacturing process, requiring new equipment and new processes. In the research and development process of solid-state battery, ningde times also pays attention to the manufacturing problems of solid-state battery, so it also carries out the research and development of technology.

Qing tao energy

On November 19, 2018, qingtao (kunshan) energy development co., ltd. announced that its first solid state lithium battery production line has been put into operation in November. The production line, with a total investment of 100 million yuan, has a capacity of 0.1gwh. The first batch of solid-state battery products have been mass produced, and it can produce 10,000 batteries per day. But solid-state batteries, which are already in production, are not yet available for electric cars and are mainly used in specialised safety applications.

Qingtao energy was founded in 2014 by nan zewen, member of the Chinese academy of sciences and President of the institute of materials science and engineering, tsinghua university. Qingtao team is the pioneer of all-solid-state lithium battery development in China. Through the original development of key materials of lithium battery, innovative design of equipment and process optimization of mass production, it takes the lead in realizing the industrialization of solid-state lithium battery and building a complete independent intellectual property system. Qingtao development and launch of high safety, high energy density, flexibility and other solid battery products, energy density can reach more than 400Wh/kg.

Yoga wei shares

As early as November 2016, jiawei held the world's first "solid lithium battery and fast rechargeable lithium battery product launch event" in Shanghai, and stressed that the company will do its best to accelerate the combination of solid lithium battery and fast rechargeable lithium battery in the future.

According to jiawei, its solid-state lithium battery can run for more than 2.8 million kilometers.

Jiawei said the company will vigorously develop fast-charging, high-safety and long-life composite nanomaterials solid-state battery, further strengthen the capacity construction, fully expand passenger vehicles, logistics vehicles and commercial vehicles customers, as soon as possible to make the lithium battery business bigger and stronger.

Jiangxi feng LiYe

In 2017, ganfeng lithium formally entered the solid-state battery sector by introducing Dr. Xu xiaoxiong's team from ningbo institute of materials. The technology of the laboratory has made a breakthrough. The company plans to invest 250 million yuan to build a pilot production line with a scale of over one gigawatt hour.

On June 30, 2018, the technical indicators of the first-generation solid-state lithium battery reached: the monomer capacity was 10Ah, the energy density was no less than 240Wh/kg, the capacity retention rate was more than 90% after 1000 cycles, the monomer battery had the charging and discharging capacity of 5C, and the battery product passed the safety test of the third party.

Beijing who blue

Beijing weilan new energy technology co., LTD., founded in 2016, is a high-tech enterprise focusing on the research and development and production of next-generation all-solid-state batteries. It is one of the few battery enterprises in China with core patents and technologies of all-solid-state batteries. The company focuses on the mixed solid-liquid electrolyte battery and all-solid battery products with high energy density, high safety, high power and wide temperature range adaptability, and its products cover the fields of unmanned aerial vehicles, power tools, large-scale energy storage and electric vehicles. Beijing blue's development philosophy is mixed solid liquid electrolyte battery to the oxide compound solid-state lithium polymer battery, can in low temperature and 90 ℃ circulation at the same time, ratio of give attention to two or morethings, and security.

In addition, domestic enterprises byd, guoxuan high-tech, zhongtian technology, dangsheng technology, yiwei lithium energy, hengdian dongmi, guojia star and other enterprises also layout all-solid-state batteries. In order to take the lead in the future electric vehicle market, all countries are stepping up the layout of all-solid lithium battery, and strive to have the dominant technology competition.

References: China energy storage network, battery China, Beijing weilan new energy technology co., LTD. Official website, qingtao (kunshan) energy development co., LTD. Official website, China battery network

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