PUBLISHER: SNE Research | PRODUCT CODE: 1212745
PUBLISHER: SNE Research | PRODUCT CODE: 1212745
Title:
<2023> The Present and Future of All Solid-State Battery Manufacturing Technology
(Subtitle: In-depth Analysis on Manufacturing Technology and R&D Trend of Major Companies)
The performance of lithium-ion battery (LIB), most widely used today, has been improved through continuous technology development propped up with an explosive demand in new electronic devices and electric vehicles. Particularly, the energy density has been dramatically increased from 80Wh/kg in the nascent stage to 300Wh/kg of these days. However, a high energy density implies a possible risk of fire or explosion. Lithium-ion battery may have an explosion triggered bWy internal overheating, secondary heat release from outside, and electrical defect caused by mechanical damage, excessive discharging, and overcharging.
To prevent such risk, all solid-state battery to which solid electrolyte is applied has become regarded as a next-generation battery technology. Megatrends in all solid-state battery can be summarized as follows: excellent safety; high energy density; high power output; wide range of workable temperature; and simple battery structure. Thanks to these properties, all solid-state battery can be free from explosion risks. In addition, solid electrolyte has a better ionic conductivity than liquid electrolyte when the temperature is below 0°C or between 60~100°C.
According to market forecast by SNE Research, the global all solid-state battery market posted a high growth of 180%, reaching approx. 27.5 million dollar in 2022 and is expected to form a huge market worth of approx. 40 billion dollars in 2030. The Korean government also sees the next decade to be a turning point for countries to determine their positions in the global LIB market. Along with the announcement of <2030 K-Battery Development Strategy>, the government has been providing support for technology development with an aim to achieve the commercialization of all solid-state battery in 2027.
To brace for a rapid paradigm shift from lithium-ion battery to all solid-state battery, it is necessary to take an preemptive measure to carry out deep-dive research on key ASB materials and development of mass production technology. Meanwhile, the expected time frame for ASB commercialization has been postponed to 2030 because companies have not exerted sufficient effort to develop related materials and the production technology has not been fully established yet. Given all these circumstances, this report aims to present the cell configuration of all solid-state battery of which possibility in commercialization is highest. We identify the issues related to materials and manufacturing technology and then propose feasible solutions to those issues.
In addition, we analyze announcements and patent applications by major companies regarding the development of all solid-state battery to learn more about their manufacturing technology. Based on a deep-dive analysis on the manufacturing technology and processes, we identify their advantages/disadvantages and try to find suitable manufacturing processes for all solid-state battery.