• WinAck DB-series Battery Testing System | Battery Cell and Pack Cycler
    WinAck DB-series Battery Testing System | Battery Cell and Pack Cycler May 18, 2023
    WinAck Group, as a professional battery cell and pack cycler manufacturer, has several series of battery testing system ranging from small single cells to big battery packs. Among them, DB-series dissipative battery testing system is a popular and advanced battery cell and pack cycler with high testing accuracy, rich charging and discharging modes, independent control of each channel, powerful protection functions, user-friendly operation software in English, easy to use and good stability. Table 1. Model List_WinAck_DB-series Dissipative Battery Cell and Pack Cycler Product Model DC Voltage Range / CH DC Current Range / CH Channels/Cabinet WA-BTS-DB5V1mA8CH40mW 5V ±1mA 8CH WA-BTS-DB5V10mA8CH400mW 5V ±10mA 8CH WA-BTS-DB5V20mA8CH800mW 5V ±20mA 8CH WA-BTS-DB5V50mA8CH2W 5V ±50mA 8CH WA-BTS-DB5V100mA8CH4W 5V ±100mA 8CH WA-BTS-DB5V200mA8CH8W 5V ±200mA 8CH WA-BTS-DB5V300mA8CH12W 5V ±300mA 8CH WA-BTS-DB5V500mA8CH20W 5V ±500mA 8CH WA-BTS-DB5V1A8CH40W 5V ±1A 8CH WA-BTS-DB5V2A8CH80W 5V ±2A 8CH WA-BTS-DB5V3A8CH120W 5V ±3A 8CH WA-BTS-DB5V4A8CH160W 5V ±4A 8CH WA-BTS-DB5V6A8CH240W 5V ±6A 8CH WA-BTS-DB5V10A8CH400W 5V ±10A 8CH WA-BTS-DB5V12A8CH480W 5V ±12A 8CH WA-BTS-DB5V15A8CH600W 5V ±15A 8CH WA-BTS-DB5V20A8CH800W 5V ±20A 8CH WA-BTS-DB5V25A8CH1000W 5V ±25A 8CH WA-BTS-DB5V30A8CH1200W 5V ±30A 8CH WA-BTS-DB5V50A8CH2000W 5V ±50A 8CH WA-BTS-DB5V60A1CH300W 5V ±60A 1CH WA-BTS-DB5V60A8CH2400W 5V ±60A 8CH WA-BTS-DB5V100A4CH2000W 5V ±100A 4CH WA-BTS-DB5V120A4CH2400W 5V ±120A 4CH WA-BTS-DB5V200A2CH2000W 5V ±200A 2CH WA-BTS-DB5V300A1CH1500W 5V ±300A 1CH WA-BTS-DB5V500A1CH2500W 5V ±500A 1CH WA-BTS-DB6V2A8CH96W 6V ±2A 8CH WA-BTS-DB6V3A8CH144W 6V ±3A 8CH WA-BTS-DB6V5A8CH240W 6V ±5A 8CH WA-BTS-DB10V3A8CH240W 10V ±3A 8CH WA-BTS-DB10V5A8CH400W 10V ±5A 8CH WA-BTS-DB10V6A8CH480W 10V ±6A 8CH WA-BTS-DB10V10A8CH800W 10V ±10A 8CH WA-BTS-DB10V15A8CH1200W 10V ±15A 8CH WA-BTS-DB10V20A8CH1600W 10V ±20A 8CH WA-BTS-DB10V30A1CH300W 10V ±30A 1CH WA-BTS-DB10V30A8CH2400W 10V ±30A 8CH WA-BTS-DB10V60A4CH2400W 10V ±60A 4CH WA-BTS-DB10V100A2CH2000W 10V ±100A 2CH WA-BTS-DB10V120A2CH2400W 10V ±120A 2CH WA-BTS-DB12V5A8CH480W 12V ±5A 8CH WA-BTS-DB15V3A8CH360W 15V ±3A 8CH WA-BTS-DB15V5A8CH600W 15V ±5A 8CH WA-BTS-DB15V6A8CH720W 15V ±6A 8CH WA-BTS-DB15V20A1CH300W 15V ±20A 1CH WA-BTS-DB15V20A8CH2400W 15V ±20A 8CH WA-BTS-DB15V40A4CH2400W 15V ±40A 4CH WA-BTS-DB15V60A2CH1800W 15V ±60A 2CH WA-BTS-DB15V80A2CH2400W 15V ±80A 2CH WA-BTS-DB20V3A8CH480W 20V ±3A 8CH WA-BTS-DB20V5A8CH800W 20V ±5A 8CH WA-BTS-DB20V6A8CH960W 20V ±6A 8CH WA-BTS-DB20V10A8CH1600W 20V ±10A 8CH WA-BTS-DB20V15A1CH300W 20V ±15A 1CH WA-BTS-DB20V15A8CH2400W 20V ±...
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  • HiNa Battery and JAC MOTORS Launch the First EV with Na-ion Battery System
    HiNa Battery and JAC MOTORS Launch the First EV with Na-ion Battery System Feb 23, 2023
    On February 23rd, 2023, HiNa Battery presented three types of Na-ion battery cells at the new product launch. What is even more interesting is that HiNa Battery has launched the first Na-ion battery electric vehicle in cooperation with JAC Motors. This Na-ion battery system has a capacity of 25kWh and an energy density of 140Wh/kg for the cells, while the system energy density is 120Wh/kg and supports fast charging from 3C to 4C.     This time, HiNa Battery's Na-ion battery was installed in the electric vehicle, proving that Na-ion battery is not only a mixed A/B battery system with lithium-ion battery, but can be installed in electric vehicles independently. This Na-ion battery system is installed in JAC Motors's Sihao EX10 Flower Fairy, an A00-class model to be launched by the end of 2021. The sodium ion battery system version is equipped with a battery capacity of 25kWh Na-ion battery, the CLTC battery endurance range of 252 km, the energy density of the Na-ion battery system is about 120Wh/kg. As a reference, the lithium-ion battery system version is equipped with a battery capacity of 30.2kWh LFP battery, the CLTC battery endurance range of 301 km, the energy density of the LFP battery system is about 140Wh/kg.     Sihao EX10 Flower Fairy (Na-ion battery version) Manufacturer JAC Motors Level A00-class Mini EV Energy type BEV Current Status Prototype EV CLTC battery endurance range 252km Maximum speed 120km/h Acceleration time ≤5.5s (From 0 to 50km/h) Max. climbing degree 25% Body structure 4-door, 5-seater Wheelbase 2390mm Length*width*height 3650*1670*1540mm Vehicle weight 1130kg EV battery system Battery Type Na-ion battery Cell Type Cylindrical cell Cell capacity 12Ah Cell weight 256g Cell energy density ≥140Wh/kg Battery pack into groups 6P110S Battery system capacity 25kWh Battery system capacity 72Ah Battery system voltage 341V Battery system energy density 120Wh/kg Capacity retention at -20℃ ≥90% Fast charging time 15min (From 30%SOC to 80%SOC) 20min (From 10%SOC to 80%SOC) Motor System Motor type Permanent magnet synchronous motor Maximum power 45KW Motor torque ≤150N.m   In terms of fast charging performance, Na-ion battery and LFP battery are about the same. However, in terms of EV battery system capacity and energy density, Na-ion batteries are still inferior to LFP batteries. Does this mean that Na-ion batteries are not valuable in electric vehicle application scenarios? Of course not. There are three reasons. First, the battery system energy density of 120 Wh/kg of EV battery system itself has reached the threshold for installation in small miniature electric vehicles. Some of the current small mini electric vehicles are similar. For example, the battery system energy density of Dfsk Motor's Fengguang MiniEV is only 120 Wh/kg, and the battery system energy density of Mercedes-Benz's EQC is only 125 Wh/kg. Secondly, the Na-ion battery cell used in the Sihao EX10 Flower Fairy is not one of the...
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  • Electrode Stacking Process | Prismatic Cell Production Mainstream Technology
    Electrode Stacking Process | Prismatic Cell Production Mainstream Technology Dec 15, 2022
    In the past two years, FinDreams Battery (BYD), SVOLT Energy, EVE, CALB, Sunwoda and other battery cell manufacturers are using electrode stacking process for prismatic cell products on a large scale, "electrode stacking process & long thin size blade cells" has become the mainstream of the trend of prismatic cells. In fact, with the popularity of electric vehicles, battery cells are being designed in larger and larger sizes to meet endurance, safety, lifespan and cost requirements. In this case, the shortcomings of the electrode winding process are magnified, such as the inevitable large bending deformation of the coating material on the electrode, which leads to the formation of dropped material and dead zones at the bend. Also, during the electrode winding process, the tension on the electrode sheet and the battery separator is easily uneven, resulting in wrinkles and poor alignment. Compared with the electrode winding process, the electrode stacking process is more suitable for large prismatic cells, and the advantages are beginning to emerge. For more details, please click “Features of Lamination & Stacking Process for Lithium-ion Battery Cells” to browse. Picture 1. Duplex-station Battery Cell Stacking Machine SVOLT Energy, founded only five years ago, is in the TOP 10 of installed global EV battery capacity in both 2021 and the first half of 2022. Such a proud achievement is largely based on its strong battery technology innovation capability, especially the innovation and continuous upgrade evolution of electrode stacking process technology and electrode stacking manufacturing technology. The stacking efficiency of the first generation of electrode stacking technology is 0.6 sec/layer, the second generation is 0.45 sec/layer, while the third generation of "Fly Stacking", with an efficiency of 0.125 sec/layer, has rivaled or even surpassed the electrode winding process, and is in the absolute leading position in the track of stacked cells. The core technology of "Fly Stacking" that allows SVOLT Energy to significantly improve stacking efficiency is the shift from "single electrode cutting and stacking" to "multiple electrodes cutting and stacking". Multiple electrodes are cut and stacked at the same time on one machine to achieve more efficient output and double the efficiency with almost no change in the cost of a single machine. In addition, the third generation of "Fly Stacking" technology also integrates battery electrode unwinding, cutting, hot pressing, CCD online monitoring and HI-POT online monitoring to achieve full inspection of all single electrodes. Picture 2. SVOLT Energy Fly Stacking Machine Thanks to the continued innovation and application of top battery cell manufacturers in the electrode stacking process for prismatic cells, the electrode stacking process is expected to be used on a large scale in prismatic cells in the future and to overtake the electrode winding process to become mainstream. WinAck G...
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