KITECH comes up with a new tech for producing solid-state batteries for EVs

17 June 2019, 03:23:47

KITECH comes up with a new tech for producing solid-state batteries for EVsThe Korea Institute of Industrial Technology (KITECH) said in a statement that it has developed a technology for manufacturing all-solid-state batteries that can eliminate the risk of explosion and fire and drastically reduce the volume of battery packs.

Solid-state means that the electrolyte between the anode and the cathode inside the cell is not liquid but solid. The current lithium-ion batteries are using a flammable liquid electrolyte and when the battery is overheated, there is a risk of explosion. All-solid cells use highly heat-resistant, durable oxide solid electrolyte materials, so there is no risk of explosion or fire, according to KITECH.

The new battery bipolar structure implements multiple units of cells connected in series within a single cell-stack allowing higher battery voltages to be achieved. This will make battery pack production simpler and will reduce the volume by one-third while increasing range by more than two times.

The researchers succeeded in nanosizing powder particles using the oxide-based, most effective Garnet LLZO (lithium, lanthanum, zirconium, oxygen) materials. The nano-grade LLZO solid electrolyte powder was reduced by about five times the sintering time by doping with a hetero element (gallium aluminum), which greatly reduced the cost and improved the ionic conductivity by more than three times

The team produced a cell stack (37V, 8Wh class) with 10 solid cell units. The pouch has dimensions of 11 cm x 12 cm. It does not ignite nor explode even when it is cut with scissors in the open air when overcharged/heated. In addition, the cells maintained about 84% of the initial capacity after 400 charge/discharge tests. The lifetime of such cells is improved more than five times compared to the one of the conventional solid battery.

The leader of the R&D team, Dr. Kim said that the new battery will enter actual production this year. According to the Fuji Keizai Group of Japan, a leading market researcher on energy trends, the global solid-state battery market is expected to expand to about 28 trillion won (US$23.6 billion) by 2035.Source

EV Specifications

Complete specifications of EVs, grouped according to their brand and year

AudiBMWBytonChevroletDaciae.GOFIATFordHondaHyundaiJaguarKIAMazdaMercedes-BenzMGMININIONissanOpelPeugeotPolestarPorscheRenaultRivianSEATŠKODAsmartTeslaVolkswagenVolvo

Featured

Specifications of some of the most interesting and anticipated EVs.

2022 BMW iX xDrive50

2022 BMW iX xDrive50

Doors: 5, Seats: 5
Length: 195.0 in / 4953 mm
Width: 77.4 in / 1967 mm
Height: 66.8 in / 1696 mm
Curb weight: 5379.28 lb / 2440 kg
Electric motor #1: 250 kW, 400 Nm, Location: Rear
Electric motor #2: 200 kW, 352 Nm, Location: Front
Battery: 111.5 kWh, Voltage: 330.3 V

2022 BMW i4 M50

2022 BMW i4 M50

Doors: 5, Seats: 5
Length: 188.3 in / 4783 mm
Width: 72.9 in / 1852 mm
Height: 57.0 in / 1448 mm
Curb weight: 5048.59 lb / 2290 kg
Electric motor #1: 230 kW @ 8000 - 17000 rpm, Location: Rear
Electric motor #2: 190 kW @ 8000 - 17000 rpm, Location: Front
Battery: 83.9 kWh, Voltage: 398.5 V

2022 Hyundai IONIQ 5

2022 Hyundai IONIQ 5 Long Range AWD

Doors: 5, Seats: 5
Length: 182.5 in / 4635 mm
Width: 74.4 in / 1890 mm
Height: 63.2 in / 1605 mm
Location: Rear
Location: Front
Battery: 72.6 kWh, Voltage: 800 V

2022 Hyundai IONIQ 5

2022 Hyundai IONIQ 5 Long Range RWD

Doors: 5, Seats: 5
Length: 182.5 in / 4635 mm
Width: 74.4 in / 1890 mm
Height: 63.2 in / 1605 mm
Electric motor: 160 kW, 350 Nm, Location: Rear
Battery: 72.6 kWh, Voltage: 800 V

2022 Chevrolet Bolt EUV

2022 Chevrolet Bolt EUV Launch Edition

Doors: 5, Seats: 5
Length: 169.5 in / 4305 mm
Width: 69.7 in / 1770 mm
Height: 63.6 in / 1616 mm
Curb weight: 3679.52 lb / 1669 kg
Electric motor: 150 kW, 360 Nm, Location: Front
Battery: 65 kWh, Voltage: 350 V

2022 Chevrolet Bolt EUV

2022 Chevrolet Bolt EUV Premier

Doors: 5, Seats: 5
Length: 169.5 in / 4305 mm
Width: 69.7 in / 1770 mm
Height: 63.6 in / 1616 mm
Curb weight: 3679.52 lb / 1669 kg
Electric motor: 150 kW, 360 Nm, Location: Front
Battery: 65 kWh, Voltage: 350 V

2022 Chevrolet Bolt EV

2022 Chevrolet Bolt EV Launch Edition

Doors: 5, Seats: 5
Length: 163.2 in / 4145 mm
Width: 69.5 in / 1765 mm
Height: 63.4 in / 1611 mm
Curb weight: 3589.13 lb / 1628 kg
Electric motor: 150 kW, 360 Nm, Location: Front
Battery: 65 kWh, Voltage: 350 V

2022 Chevrolet Bolt EV

2022 Chevrolet Bolt EV 2LT

Doors: 5, Seats: 5
Length: 163.2 in / 4145 mm
Width: 69.5 in / 1765 mm
Height: 63.4 in / 1611 mm
Curb weight: 3589.13 lb / 1628 kg
Electric motor: 150 kW, 360 Nm, Location: Front
Battery: 65 kWh, Voltage: 350 V

2021 Volkswagen ID.3

2021 Volkswagen ID.3 Pro S Tour

Doors: 5, Seats: 4
Length: 167.8 in / 4261 mm
Width: 71.2 in / 1809 mm
Height: 61.7 in / 1568 mm
Curb weight: 4263.74 lb / 1934 kg
Electric motor: 110 kW, 310 Nm, Location: Rear
Battery: 45 kWh, Voltage: 408 V

2021 Volkswagen ID.3

2021 Volkswagen ID.3 Pro Performance Max

Doors: 5, Seats: 5
Length: 167.8 in / 4261 mm
Width: 71.2 in / 1809 mm
Height: 61.7 in / 1568 mm
Curb weight: 3979.34 lb / 1805 kg
Electric motor: 150 kW, 310 Nm, Location: Rear
Battery: 58 kWh, Voltage: 408 V

2021 Opel Mokka-e

2021 Opel Mokka-e Launch Edition

Doors: 5, Seats: 5
Length: 163.4 in / 4151 mm
Width: 70.5 in / 1791 mm
Height: 60.3 in / 1532 mm
Electric motor: 100 kW, 260 Nm, Location: Front
Battery: 50 kWh

2021 Hyundai KONA Electric

2021 Hyundai KONA Electric Ultimate 64 kWh

Doors: 4, Seats: 5
Length: 164.6 in / 4180 mm
Width: 70.9 in / 1800 mm
Height: 61.2 in / 1555 mm
Curb weight: 3836.04 lb / 1740 kg
Electric motor: 150 kW @ 3600 rpm, 395 Nm, Location: Front
Battery: 64 kWh, Voltage: 356 V

2021 Tesla Model 3

2021 Tesla Model 3 Performance AWD

Doors: 4, Seats: 5
Length: 184.8 in / 4694 mm
Width: 72.8 in / 1849 mm
Height: 56.8 in / 1443 mm
Curb weight: 4100.6 lb / 1860 kg
Electric motor #1: 211 kW, Location: Rear
Electric motor #2: 147 kW, Location: Front
Battery: 79.5 kWh, Voltage: 360 V

2021 Tesla Model 3

2021 Tesla Model 3 Long Range AWD

Doors: 4, Seats: 5
Length: 184.8 in / 4694 mm
Width: 72.8 in / 1849 mm
Height: 56.8 in / 1443 mm
Curb weight: 4071.94 lb / 1847 kg
Electric motor #1: 188 kW, Location: Rear
Electric motor #2: 147 kW, Location: Front
Battery: 79.5 kWh, Voltage: 360 V

2021 Tesla Model Y

2021 Tesla Model Y Performance AWD

Doors: 4, Seats: 5 / 7
Length: 187.0 in / 4751 mm
Width: 75.6 in / 1921 mm
Height: 63.9 in / 1624 mm
Curb weight: 4415.86 lb / 2003 kg
Location: Rear
Location: Front
Battery: 74 kWh

2021 Tesla Model Y

2021 Tesla Model Y Long Range AWD

Doors: 4, Seats: 5 / 7
Length: 187.0 in / 4751 mm
Width: 75.6 in / 1921 mm
Height: 63.9 in / 1624 mm
Curb weight: 4415.86 lb / 2003 kg
Location: Rear
Location: Front
Battery: 74 kWh

2021 Tesla Model X

2021 Tesla Model X Performance

Doors: 4, Seats: 5 / 6 / 7
Length: 198.3 in / 5037 mm
Width: 78.7 in / 1999 mm
Height: 66.0 in / 1676 mm
Curb weight: 5740.84 lb / 2604 kg
Electric motor #1: 375 kW, 720 Nm, Location: Rear
Electric motor #2: 205 kW, 420 Nm, Location: Front
Battery: 100 kWh, Voltage: 350 V

2021 Tesla Model X

2021 Tesla Model X Long Range Plus

Doors: 4, Seats: 5 / 6 / 7
Length: 198.3 in / 5037 mm
Width: 78.7 in / 1999 mm
Height: 66.0 in / 1676 mm
Curb weight: 5630.61 lb / 2554 kg
Electric motor #1: 210 kW, 335 Nm, Location: Rear
Electric motor #2: 205 kW, 420 Nm, Location: Front
Battery: 100 kWh, Voltage: 400 V