Solid-state battery mass production countdown? mercedes, volkswagen, bmw… show their cards!
Solid-state batteries are entering the countdown to be installed in vehicles?
Recently, automakers and battery manufacturers.
In the field of solid-state batteries, there has been a flurry of activity.
Mercedes-Benz
September 9th,Mercedes-BenzAnnounce equipped withSolid-state batteryThe pure electric EQS test vehicle has completed long-distance road testing in real-world scenarios.
With a full charge, the pure electric EQS test vehicle equipped with a solid-state battery departed from Germany and traveled across Denmark to reach Sweden.The total test distance is 1,205 kilometers.After passing through different climatic environments and road conditions, the test vehicle still had a remaining range of 137 kilometers upon reaching the destination.
This achievement breaks the record set by the VISION EQXX efficiency concept car in 2022 — traveling 1,202 kilometers on real roads from Stuttgart, Germany to Silverstone Circuit, UK.
The solid-state battery tested this time was jointly developed by the Mercedes-Benz passenger car team and the Mercedes-AMG High Performance Powertrains (HPP) team, with the expertise of F1 technology experts. The battery cells were provided by leading industry partners.Factorial EnergyProvide. ItsThe energy density has been increased to 450 watt-hours per kilogram, which can enhance the range by 25%.Mercedes-Benz'sThe goal is to put this innovative technology into mass production within 5 years.。
Volkswagen Group
On September 8, American battery companyQuantumScapeWith the battery company under the Volkswagen GroupPowerCo CompanyJointly completed the world's first.QS solid-state lithium metal batteryTest drive demonstration of the electric vehicle.
▲ The Ducati V21L race-specific electric motorcycle, modified and equipped with QuantumScape solid-state technology. (Image source: Volkswagen Group official website)
According to the introduction, QuantumScape's solid-state technology achieves an energy density of 844Wh/L, fast charging speed of over 12 minutes from 10% to 80% battery capacity, and continuous discharge capability of 10C.
BMW Group
In May this year, BMW Group announced its first vehicle equipped withAll-Solid-State Battery (ASSB)The BMW i7 test model has officially commenced road testing in Munich.
▲Image Source: BMW Group Official Website
The test model adopts the technology from the American solid-state battery company.Solid PowerDeveloped a large-sized all-solid-state battery cell, combined with an innovative module structure, to better adapt to BMW's existing electric drive system.
Let's take another look.
Chinese car companies
Solid-state batteryHow is the progress?
Dongfeng Motor Initiating research and development====Three generations of solid-state batteriesThe fully independently developed 350Wh/kg 1C solid-state battery product is expected to be first installed in a vehicle in 2026, achieving a range of 1000 kilometers.
SAIC Motor Corporation LimitedThe MG4 under the MG brand was officially launched in August, equipped with...Semi-solid state batteryThe vehicle model is priced at 102,800 yuan, with semi-solid-state batteries entering the mainstream price range; jointly developed with Qingtao Energy.All-solid-state batteryDelivery will start in 2026, and mass production for vehicles will begin in 2027.
GAC Group All-solid-state batteryThe energy density exceeds 350Wh/kg, with over 90% capacity retention after 150 cycles, and is expected to be officially installed in the Haobo model in 2026.
……
Apart from the new energy vehicle sector.
Humanoid robots, low-altitude economyEmerging application scenarios.
Further opened up the market space for solid-state batteries.
As a key link driving the all-solid-state battery industry chain
Battery factory
There has been significant industrialization progress since the beginning of this year.
Recently,SK OnAnnounced that it has been successfully completed.All-solid-state battery pilot plantIt will develop sulfide-based all-solid-state batteries in the new pilot production line, and some production lines will also develop solid-state lithium metal batteries.
September 2nd,EVE EnergyThe Chengdu mass production base of the Solid-State Battery Research Institute has officially been inaugurated, and the "Longquan No. 2" all-solid-state battery has successfully rolled off the production line.
"Longquan No. 2"10Ah All-Solid-State BatteryThe energy density is as high as 300Wh/kg, and the volumetric energy density is 700Wh/L, mainly targetingHumanoid robots, low-altitude aircraft, and AI in high-end equipment application fields。
Guoxuan High-techThe first all-solid-state pilot production line has been officially completed.Jinyi Stone's all-solid-state battery is currently in the pilot production stage, with a yield rate of 90%. At the same time, the design work for the first generation of all-solid-state battery 2GWh production line has officially begun.
China Innovative Power All-solid-state battery fieldAchieved substantial breakthroughs, with independently developed all-solid-state silicon-based system batteries reaching an energy density of 430Wh/kg. The supporting production line has been completed and officially put into use this year.
In the eVTOL field, Zhongchuang Innovation andXpeng Aeroht, GAC SpaceThe leading enterprises have reached a deepened cooperation. In addition, it has...Humanoid robotLeading companies' collaborative solid-state battery project has achieved a milestone progress.
Honeycomb EnergyCompleted2.3 GWh semi-solid-state battery dedicated production lineThe first-generation 270Wh/kg square battery cell has been developed and is scheduled for C-sample mass trial production this November. This product has received orders from a well-known European electric vehicle brand and has been successfully designated for a central enterprise's eVTOL project.
Meanwhile, Honeycomb Energy is developing mass production-oriented...Soft-pack semi-solid-state battery with an energy density of 360Wh/kgA sample has been officially sent to a central enterprise for low-altitude aircraft, and the first flight is planned to be realized this year.
Solid-state battery
Recognized asThe next core competitive point in the battery industry
Material suppliers, equipment suppliers.
Battery manufacturers and automakers are both increasing their investments.
Racing to promote the mass production and implementation of solid-state batteries in vehicles.
Every step taken by the solid-state battery industry.
Innovations and breakthroughs in core materials are indispensable.
Single-walled carbon nanotubesAs a high-performance material, its application in solid-state battery technology significantly enhances the energy density, rate performance, cycle life, and safety of the battery.
Aluminum plastic filmThe extensibility of the material is particularly suitable for the expansion and contraction of the positive and negative electrodes during the charging and discharging of semi-solid and solid-state lithium-ion batteries.
Aluminum-plastic film is a type of multi-layer composite packaging material, usually consisting of layers from outside to inside.Nylon layer (PA), aluminum foil layer (Al), and heat seal layer (CPP/MPP)Composed through adhesive compounding, it possesses characteristics of being lightweight, highly barrier-resistant, and impact-resistant.
In the separator stage, semi-solid state batteries still retain some liquid electrolyte, thus maintaining the structure of electrolyte and separator.
All-solid-state batteries require a new type of membrane material called "skeleton membrane." Ceramic skeleton membranes are adapted to the sulfide route to enhance thermal stability.Polymeric framework membraneIt is used to support the sulfide electrolyte and alleviate the expansion problem of silicon-based anodes.
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