A few days ago, Penghui Energy stated that at present, the company's solid-state batteries are in the R&D phase and plans to introduce solid-state battery products in the next 2-3 years. Previously, Yu Feng Li announced an announcement: Yufeng Lithium intends to set up a wholly-owned subsidiary, Zhejiang Feng Lithium New Energy Technology Co., Ltd., to invest RMB 250 million in its own funds to invest in the construction of the first-generation solid- Battery R & D pilot production line. Xiao Bian can not help but lament that the era of solid-state batteries really is coming.
Compared with the existing liquid-state lithium-ion batteries, lithium solid-state batteries have features such as high energy density, strong cycle performance, high safety, and short charging time. Although current solid-state batteries still have many technical difficulties that cannot be overcome, and it will take a while for mass production to take place, the solid-state battery technology, which is known as the "next-generation lithium-ion battery technology," has been favored by many domestic and foreign companies.
As early as 2015, the British tycoon James Dyson and German auto parts giant Bosch acquired solid-state battery company SaKti3 and solid-state battery startup Seeo. In August 2016, Dyson invested US$1.4 billion to build a battery factory for mass production of solid-state batteries. And Bosch is not far behind, after the acquisition of Seeo and GSYUASA Battery Company and Mitsubishi Heavy Industries jointly established a new factory, focusing on solid-state anode lithium-ion battery. In addition, foreign media reported that BMW is also developing a lithium-ion battery. This battery will use solid electrolyte to replace the existing electrolyte. The new battery is planned to be mass-produced in 2026.
Toyota is the most enthusiastic believer in solid-state batteries. Not long ago, Toyota Motor released news that Toyota's use of solid-state batteries can significantly increase the mileage of new electric vehicles, and shorten the charging time. This new solid-state battery electric vehicle is expected to be officially listed in 2022. By comparing the number of patents related to solid-state batteries, it is not difficult to see that Toyota owns a significant number of patents for solid-state batteries.
The universities of Ningbo University, China University of Science and Technology, Huawei Technologies, China Electronics 18th Institute, and Chinese Academy of Sciences occupy five of the top ten positions in the solid-state battery-related patent rankings. This also reflects the current popularity of lithium-based liquid batteries. Way out thinking.
According to the development prospects of power batteries of the Ministry of Science and Technology and “Made in China 2025â€, China will have to achieve R&D and production of solid-state batteries with a monomer energy density of 300Wh/kg-400Wh/kg from 2020 to 2025. Now we have to enter 2018, plus the construction time of about 2 years, the era of domestic solid-state batteries is no longer far away.
In addition to the above-mentioned Penghui Energy and Suifeng Lithium Industry, many domestic enterprises have also started the “positioning of cards†of solid-state batteries early. Such as: Ningde era is currently accelerating the pace of development of EV solid-state lithium-metal sulfide batteries. Li Shen Battery was also holding a 2017 new technology and new product launch in November. Qin Xingcai, vice chairman of China Power God Co., Ltd. and party secretary of Tianjin Lishen Battery Co., Ltd., issued the lithium battery chemical route plan. The plan shows that Lishen Battery is expected to achieve mass production and supporting of solid-state batteries in around 2023. According to media reports, Universal Solar Energy, Henan Lithium Power Supply and other companies have also laid out solid-state battery projects earlier.
Miao Lixiao, General Manager of R&D Department of Thornton New Energy Technology Co., Ltd. said that from a worldwide perspective, some small-sized solid-state batteries can already be mass-produced, but the large-sized solid-state batteries still have many problems to be solved. Lithium-sulfur battery and lithium-air battery are the same as solid-state battery territory, but we believe that through the unremitting efforts of research workers, the era of the next-generation high-energy-energy battery will come.
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