Mass production for lithium solid state batteries is more likely to come in around five years.
17 companies' solid-state battery layout2019-08-14starting point lithium batterybig data
Solid-state batteries will become the subversive of ternary batteries.
In recent years, the research on solid-state batteries with high safety, long life and high energy density has been widely concerned, and is recognized as an important development direction of next-generation batteries. It is expected to be applied in consumer electronics, electric vehicles, and large-scale energy storage.
(Source: micro-channel public number "starting point lithium Big Data" ID: weixin-lddsj Author: Liu Miaomiao)
In 2017, the three ministries and commissions issued the requirements of the Medium and Long-Term Development Plan for the Automotive Industry and the Technical Roadmap for Energy-Saving and New Energy Vehicles. The energy density of the power battery system needs to reach 350Wh/Kg in 2025-2030 (corresponding to the monomer energy density). 500Wh/Kg) to meet the cruising range requirements of ordinary electric vehicles.
In theory, the limit energy density of traditional liquid electrolyte
lithium batteries cannot be higher than 500 Wh/kg, while the current energy density of all solid-state batteries can reach 400 Wh/kg, and the estimated maximum potential can reach 900 Wh/ Kg. Therefore, solid-state batteries are also widely regarded as the most promising power battery technology of the next generation.
Zhang Xiang, a car expert at the Training Center of the Ministry of Industry and Information Technology, said that solid-state batteries will become the subversive of
ternary batteries . At present, China includes Weige Road, Qingtao Energy, Ningde Times, BYD, Yanfeng Lithium Industry, Wanxiang Yier 2, BYD, Guoxuan Hi-Tech, Weiwei, Huineng, Beijing Weilan, Lishen, Yiwei Lithium Can, Hengdian East Magnetic, Ka Nai New Energy, Penghui, Tianqi Lithium, AVIC Lithium, Zhongtian Technology and other enterprises are all in the layout of solid-state batteries.
From an international perspective, China, Japan, South Korea, Europe, and the United States have spared no effort to develop solid-state batteries and have made some progress. It is expected that small batches will enter the market by 2025, which will become a weapon for electric vehicles to replace fuel vehicles.
To this end, the starting point of lithium battery big data has compiled the latest developments of domestic mainstream enterprises' solid-state batteries, as follows:
Wig RoadThe energy density of solid-state lithium batteries developed by Weige Road can reach 260~340Wh/kg, which is expected to become an important development direction of the next generation of high energy density power and energy storage battery technology. Industry-leading intellectual property rights from the formulation of materials, process manufacturing, to finished product applications and system integration through the use of the most stable internal structure of the cell and the world's most advanced and mature laminated high-capacity solid-state lithium-ion technology The core technology, the company's core patents have reached more than 20, new patents are being declared and increased.
Qingtao EnergyQingtao Energy was founded by the team of Nancewen Academician of Tsinghua University. In 2002, it began to develop solid-state lithium batteries. The LLTO solid electrolyte materials developed in 2006 showed excellent performance; the LLZO solid electrolyte materials developed in 2010 were mature. In the field of solid-state lithium batteries, the company has declared more than 100 patents.
In November 2018, the Qingtao solid lithium battery production line was completed and put into operation in Kunshan, Jiangsu Province. It can produce 10,000 solid-state batteries per day, with an energy density of over 400Wh/kg. It is expected to enter the field of power battery application in 2020.
On July 6, Qingtao New Energy Division signed an annual production of 10GWh solid lithium battery project in Yichun City, Jiangxi Province. The project will be constructed in two phases with a total investment of about 5.5 billion yuan. The first phase of the project will invest 550 million yuan, and a solid-state lithium battery project with an annual output of 1GWh will be built. It is planned to be put into operation at the end of this year. The second phase of the project will be 4.95 billion yuan. Construction will start before June 30, 2020, and all production will be completed within two years after the start of construction. It is 9GWh.
Ningde era (CATL) In the Ningde era, sulfide electrolytes were the main research and development direction. The positive electrode coating was used to solve the interfacial reaction between the positive electrode material and the solid electrolyte. The hot pressing method enhanced the contact between the electrolyte and the electrode material, and reduced the interface resistance. The material is modified to enhance its thermal stability.
At present, the polymer lithium metal solid state battery with a capacity of 325 mAh and an energy density of 300 Wh/kg has a remaining 82% above 300 cycles. However, the Ningde era said that solid-state batteries still have a long way to go from commercialization.
Huineng TechnologyHuineng Technology realized the mass production of solid-state batteries as early as 2013, but it is mainly used in the field of consumer electronics. In the past two years, it has accelerated the layout in the field of new energy vehicles. The G1 plant, which was built in Taiwan in 2013, is the first production line in the world that can produce solid-state lithium battery coils. It plans to complete the 1GWh expansion by the end of 2019, when the total capacity of solid-state batteries will reach 1.5-2GWh. .
Huineng Technology and Sky Auto will cooperate in the commercialization of solid-state batteries. In addition, Huineng Technology will also license Nandu Power's solid-state battery production technology. Nandu Power will build a 1GWh-scale solid-state battery production line.
In January 2019, Hui Neng completed a $150 million Series D financing, the main investor being Softbank China Capital. The founder and CEO of Huineng Technology, Yang Sizhen, revealed that in early 2021, Huineng will achieve mass production of solid-state batteries.
Horizon carAt the 2019 Asia Consumer Electronics Show, SkyCity's electric smart SUV Sky ME7 prototype is equipped with the latest solid-state battery. The solid-state battery is expected to have an energy density of more than 300Wh/kg and a battery pack energy density of 220 Wh/kg. The new model is expected to be launched in volume production within 3-5 years.
Beijing Weilan + Institute of Physics, Chinese Academy of SciencesBeijing Weilan New Energy was established in 2016. The company relies on the Institute of Physics of the Chinese Academy of Sciences to focus on the development and production of next-generation solid-state lithium batteries. At present, Beijing Weilan has developed and mastered several key technologies in the field of solid-state battery technology, including metal lithium surface treatment, in-situ formation of SEI film technology, solid electrolyte, lithium ion fast conductor preparation technology and high-voltage battery integration technology. Ceramic membrane optimization technology and current collector solutions.
On March 29th, Weilan New Energy held the groundbreaking ceremony for the first phase of the solid-state battery project. The total investment of the project is 500 million yuan, and the investment of the first phase project is 180 million yuan. The project is scheduled to be put into operation in March 2020. It is expected to form an annual output after completion. Production scale of 100 million watt-hour solid state batteries.
Wanxiang one two threeIn the field of solid-state batteries, Wanxiangyiyi has invested in external investment and internal R&D. It has invested in solid-state battery company Solid Power (BMW subsequently cooperated with them to jointly develop solid-state batteries) and American ion materials company focusing on solid electrolytes. Ionic Materials is also developing internal solid-state batteries.
Wanxiang One Two Three combines Ionic Materials' advanced conductive ionic polymer with A123's new generation of ternary/graphite lithium ion chemistry, and the two companies have jointly developed a high energy density, high security and no ease of use. A battery that burns liquid electrolytes, which makes all-solid-state batteries expected to be introduced to the market in 2022.
It is reported that at the end of 2019, Wanxiang One Two Three will launch a sample of solid-state battery products with good performance in energy density and life cycle, and plans to launch world-leading products in the next decade.
BYDAs early as 2016, BYD confirmed the keynote for the future development of solid-state batteries, tried to use it on a small scale, and determined that it will launch solid-state batteries within the next five years in the next 10 years.
In 2017, BYD applied for an invention patent for an all-solid lithium-ion battery cathode composite and an all-solid lithium-ion battery.
In January 2018, BYD said that it is actively promoting the commercialization of solid-state battery projects, and will focus on the research and development of industrial products.
Guoxuan Hi-TechIn 2017, Guoxuan Hi-Tech said that it has started to develop solid-state batteries and solid electrolytes.
In February 2018, Guoxuan Hi-Tech revealed that according to the product requirements of cooperation with international first-line vehicle brands, the company is developing next-generation power battery production technology and production equipment in the United States and Japan, and the related products will use semi-solid battery technology. Companies will also pay close attention to the development and industrialization of upstream key raw materials, including solid electrolytes.
In March 2018, Guoxuan Hi-Tech said on the investor interaction platform that the company's semi-solid battery technology is currently in the laboratory-to-laboratory conversion phase.
Guoxuan Hi-Tech said that it has been paying attention to technological progress, laying out cutting-edge technologies, and has developed corresponding solid-state battery technologies in Japan Research Institute. At present, the company's semi-solid battery technology has been in the laboratory to pilot conversion stage, and plans to build a pilot test line in 2019.
Yan Feng Lithium Industry + Institute of Materials, Chinese Academy of SciencesOn August 18th, 2017, Yan Feng Lithium introduced a group of technical teams from the Chinese Academy of Sciences, including Dr. Xu Xiaoxiong (head of the new energy solid-state lithium-ion energy storage battery of the Ministry of Science and Technology).
On December 5, 2017, Haofeng Lithium announced that it will set up a wholly-owned subsidiary, Zhejiang Feng Li, to invest in the development of a first-generation solid-state lithium battery with an annual production of 10,000 watts. The pilot production line has a construction period of 2 years.
In March 2018, Haofeng Lithium said that it is conducting extensive testing on solid-state batteries. It plans to build the first-generation solid-state lithium battery production line in December 2018, and complete the sales of 300 million yuan of solid-state lithium batteries in December 2019. The second-generation solid-state lithium battery technology has matured, enabling the third-generation solid-state lithium battery to be researchable.
In June 2018, the company's first-generation solid-state lithium battery has a capacity of 10Ah, an energy density of more than 240 Wh/kg, and a capacity retention rate of more than 90% after 1000 cycles. At the same time, the battery cell has a 5C rate charge. Discharge capacity, the current battery development products have passed the third-party agency safety test.
Recently, Haofeng Lithium said that the solid-state battery pilot production line is scheduled to be put into operation in the second half of 2019.
Wei WeiGuohao Star is a subsidiary of Weiwei Co., Ltd. The technical route is based on the second-generation polymer lithium ion conductor as the solid electrolyte, with ternary material or lithium iron phosphate as the positive electrode and graphite as the negative electrode.
In July 2018, the 36Ah solid-state soft-package ternary material power lithium-ion battery passed the mandatory inspection by the National Motor Vehicle Quality Supervision and Inspection Center. The energy density reached 230WH/kg, and the number of cycles reached 4,000. The 72v system can be used on the motor. The price is about 1.5 yuan / wh.
Yiwei Lithium EnergyYiwei Lithium Energy Co., Ltd. said that solid-state lithium batteries are a technical direction of lithium-ion batteries. The company has been researching and cooperating with domestic and foreign universities and research institutions to pay close attention to the technological development of new energy vehicles and related industrial chains. progress.
ForceIn terms of technological innovation, Lishen is focusing on cutting-edge technologies such as solid-state batteries.
Zhongtian TechnologyOn July 11 last year, Zhongtian Technology said on the interactive platform that the company cooperated with the Chinese Academy of Sciences and other institutions on solid-state battery technology. According to the agreement signed by the two parties, the relevant indicators are in line with development expectations and are still in the experimental trial stage.
Carne New EnergyCarnegie Energy has worked closely with world-renowned research institutions and institutions such as the Chinese Academy of Sciences, Harvard University, and Saga University in Japan to accelerate the development of cutting-edge technologies such as solid-state batteries. At present, breakthroughs have been made in solid-state battery development.
Penghui EnergyPenghui Energy has already begun to research the technology of solid-state battery and keep track of the latest developments in this field. At present, the company's solid-state battery is in the research and development stage, and plans to launch solid-state battery products in the next 2-3 years.
AVIC Lithium BatteryAt present, the research on key technologies of AVIC lithium-ion solid-state batteries has made important progress. For the first time, solid-state batteries have been produced, and R&D investment will be increased in the field of solid-state batteries in the future.
