702535 battery.Is there still room for improvement in solid-state battery technology?

　　For vehicle-mounted solid-state lithium batteries, Huineng Technology provides a production license (Qualcomm-like model), authorizes the solid-state battery cell production technology, and provides Tianji Automobile with the right to prioritize upgrading higher energy density cell technology. In addition, the two parties will jointly participate in the planning and construction of the production line, combining Huineng Technology's highly mature solid-state battery mass production technology and Tianji Automobile's strong vehicle manufacturing capabilities to jointly expand the scale of solid-state battery production. Gaogong Lithium Battery exclusively learned that this cooperation between Tianji Automobile and Huineng Technology is just the beginning. In the future, the two parties will join forces with more partners to produce solid-state batteries. At the ceremony, Yang Silao said that Tianji Automobile is a high-end new energy vehicle brand committed to innovation, and Huineng Technology is a pioneer in solid-state battery technology. They are highly similar to each other and can complement each other in terms of technology and market. In order to meet the driving mileage roadmap planned by Tianji Automobile and the needs of high-end applications, Huineng Technology provides a high-energy-density and ultra-safe solid-state battery technology option. This is not just the sales or supply of battery cells as generally understood by the market, Huineng Technology Neng Technology will deepen this into the technology transfer of battery cells, helping Tianji Automobile complete a solid-state battery vehicle manufacturing industry chain with core competitiveness. Tianji Auto also unveiled the world's first high-energy luxury sports sedan ME-S at the exhibition. Dr. Zhang Hailiang, Chairman of Tianji, once revealed that this concept car illustrates Tianji Automobile’s exploration of forward-looking technologies such as new energy, new materials, and new communications. This pure electric high-end coupe, expected to be launched in 2021, not only combines pioneering aesthetic design and intelligent networking technology, but may also be the first mass-produced car equipped with Tianji's self-produced Huineng solid-state battery. Tianji Automobile executives at the scene said that in order to achieve the most perfect internal space optimization, Tianji has adopted two approaches: First, it plans to use Huineng solid-state battery cells with an energy density of 750Wh/L, combined with bipolar battery pack packaging technology. The package volume has been reduced by 50%; secondly, in terms of car body design, the low chassis is used to release more riding space, but because the chassis is close to the ground, the battery pack must be safer and collision-proof to ensure safe driving in any use situation. No worries, making the use of high-security solid-state battery packs an inevitable choice. It is foreseeable that the solid-state battery production technology authorized by Huineng Technology will make Tianji Automobile's layout in the supply chain more complete, and will also transform Tianji Automobile into a highly vertically integrated car company, covering battery technology, battery packs, and other three aspects. Electric integration, Internet of Vehicles self-driving assistance systems, and a complete industrial chain of automobile production and sales. In terms of production capacity construction, Huineng Technology will work with Tianji Automobile to carry out deeper cooperation in aspects such as production line construction, production planning, and technical processes. Controlling the battery supply, which accounts for about 40% of the total vehicle BOM cost, will become an important bargaining chip for Tianji in the new energy vehicle manufacturing competition. Dr. Zhang Hailiang, chairman and CEO of Tianji Auto, said that this signing means that the two parties will move towards the next stage of cooperation. According to the plan, the two parties will conduct in-depth cooperation in battery cells, vehicle integration, and mass production of battery components in the future. It hopes to be the first to realize the industrial application of solid-state batteries in the electric vehicle industry, so that Tianji's products and even the entire industry can benefit from the improvement of solid-state battery technology as soon as possible. The development of solid-state lithium batteries is a long-term effort to improve batteries, that is, turning the liquid or gel electrolyte in the battery into a solid state. Solid-state lithium batteries can double the energy density of batteries. Consultant Jon Bereisa said that developing solid-state lithium batteries is a wonderful dream. Jon Bereisa once worked as an engineering director at General Motors and was responsible for GM's early lithium battery development. However, many people in the industry believe that solid-state lithium battery technology is still at least ten years away from being put on the market in batches. Improving charging technology is also crucial for electric vehicles to enter the mainstream car market. The main difficulty is the high temperature, because the higher the temperature the greater the resistance and the smaller the current. Most electric cars can be partially charged in half an hour, but several models expected to go on sale next year can be nearly fully charged in 20 minutes. Tyco Electronics Co., Ltd. is working with car manufacturers to reduce charging time to five minutes. Alan Amici, Tyco's chief technology officer, said this goal can be achieved within five years. But other industry insiders expressed doubts. Jon Bereisa said that the cost of batteries can be equal to that of gasoline vehicles by the end of the 2020s, but the charging speed of electric vehicles "probably cannot" reach the refueling speed of gasoline vehicles. He said it was a matter of physics, adding that electric cars would need a charger big enough "to power a small city" to replenish the same amount of energy in the same amount of time as a gasoline car would get from refueling.

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