Battery Development

The Chinese battery manufacturer Eve Energy has unveiled two new solid-state batteries. According to the company, the Longquan No. 3 and Longquan No. 4 models were produced for the first time on March 17 at its Chengdu facility. This launch is another step toward the commercialization of solid-state battery technology. However, the production samples are limited to validating manufacturing processes. The two cell models are designed for different applications. Longquan No. 4 is intended for use in electric vehicles. It has a capacity of 60 Ah and can operate at a pressure of 5 MPa. Specific performance data for this cell were not provided. Longquan No. 3 is intended for use in consumer electronics. It operates at a stack pressure of less than 2 MPa.  Eve emphasizes that solid-state batteries require stable interfaces between solid materials. This pressure requirement is considered a key technical hurdle for the technology. Reducing it could facilitate integration into vehicles. The company claims to have made progress in this area with its new cells. Eve Energy has been operating its facility in Chengdu since 2022. Initially, a conventional battery line with a capacity of 9 GWh was established there. At the same time, a manufacturing base for solid-state batteries was set up. According to the company, production processes for cells with a capacity between 10 and 60 Ah were established there by 2025. Source: https://cnevpost.com/2026/03/19/eve-energy-rolls-out-2-new-all-solid-state-batteries

Samsung SDI has signed a four-year, approximately one-billion-dollar supply contract for energy storage system (ESS) batteries in the United States.

At BatteryCityMünster, construction of the BATTL3 battery research building has begun. Companies can already apply for space in the 14-million-euro facility.

TU Braunschweig has commissioned three new battery cell production facilities at the Battery Labfactory Braunschweig (BLB) research center.

Suzuki is set to acquire the lithium-ion solid-state battery business of Japanese company Kanadevia and plans to expand the existing technology.

Chinese company BYD has unveiled the second generation of its so-called Blade battery and introduced the term “flash charging” for extremely short charging times.

Renault subsidiary Ampere has agreed with Basquevolt to jointly accelerate the development and validation of lithium metal batteries for future electric vehicles.

In collaboration with industry partner SURAGUS, the Chair of Production Engineering of E-Mobility Components (PEM) at RWTH Aachen University is researching real-time slurry measurement in the mixing process as part of the joint project, “MixItUp.” Funded by the German Federal Ministry for Economic Affairs and Energy, the project is scheduled to run for three years. The project aims to develop an in situ measurement method to characterize slurries in battery production. Previous methods of electrical slurry characterization require time-consuming laboratory measurements and do not allow for real-time process control. This project aims to develop an in-line measurement method that can be used during the mixing process. At the heart of this development is an inductive sensor system with FPGA-based real-time signal processing. With the help of a eddy current sensor, the electrical conductivity, homogeneity, and particle distribution will be measured. The sensor system will measure the electrical properties of the suspension contactlessly during mixing. These values are then compared with the process parameters in a database. This enables continuous monitoring, early fault detection, and adaptive process control. After being validated on a test bench, the method will be transferred to a pilot line. By the end of the project, an industry-ready measurement system is expected to be available and demonstrated. Intended applications include mixing electrode pastes for battery cells and functional pastes for fuel cell production. Source:https://www.pem.rwth-aachen.de/cms/pem/der-lehrstuhl/presse-medien/aktuelle-meldungen/~brlnoj/pem-ermoeglicht-echtzeit-messung-fuer-slu/?lidx=1

Chinese battery manufacturer Gotion High-Tech and German chemical company BASF have agreed to a strategic partnership to develop solid-state batteries. The memorandum was signed at Gotion’s headquarters in Hefei. According to the companies, their collaboration will involve joint research and development of high-performance materials for next-generation solid-state batteries. The focus will be on several core materials and technical hurdles involved in commercialization. Gotion did not provide any further details on the specific terms of the agreement. This partnership builds on thirteen years of collaboration between the two companies. Gotion already operates a 0.2 GWh pilot production line for its own “Gemstone” solid-state battery. The yield is reportedly over 90 percent, with an energy density of 300 watt hours per kilogram. Small-scale production and vehicle integration tests are planned for 2027. The company expects to begin mass production in 2030. Source:https://cnevpost.com/2026/02/10/gotion-basf-partner-solid-state-battery-tech/