Factory sea salt batteries
In 2020, Start Up Dr.Ten aims to produce 500 000 batteries on sea salt.
Entrepreneur Marnix ten Kortenaar, battery scientist and the man behind the salt battery:
“In three years, a family pays only a couple of extra euros a month to store their solar power with our sea salt battery.”
The adventure began six years ago in Africa. Marnix ten Kortenaar volunteered in an African orphanage and noticed Africans bought expensive lead-acid batteries. This had to change. He wanted to produce a simple and cheap battery for the local communities.
Remarkably, the sea salt battery is made from minerals, carbon species and sea salt.
“Salt is a by-product of wastewater treatment. He is fully charge and discharge and is fully recyclable.
According to him, the battery is more environmentally friendly than lead acid batteries (lead is scarce) and lithium-ion (Li-ion) batteries, which we know from the electric cars, smartphones and laptops.
The salt battery has an energy density of around 30 watt-hours / kg and can run as many as 7000 cycles, according to Dr. Ten. By comparison, a Li-ion battery has a higher energy density, but the lifetime is on average 1200 cycles!
The US Aquion Energy has also developed a cheaper salt battery and raised over $ 100 million in venture capital. Investors include Bill Gates and Kleiner Perkins.
Japan is developing a molten salt battery for cars
Storing renewable energy
By 2020, the salt battery will store energy at 500,000 households in the Netherlands. During the first year, it is a volume of at least 50 kilowatt-hours, which is enough for about 200 solar panels.
Within a maximum of three years, the pilot production should grow to 5000 kWh. Production will take place in the Netherlands with basic treatment to raw material suppliers.
In mass production, our battery is expected to cost 100 euros per kilowatt-hour costs in terms of factory price. We tested the battery and it achieves at least 7000 cycles. That means households will store 7000 days (20 years), solar power with this battery.
The costs will be one or two cents more per kWh per household. So for a few extra bucks a month you will have a battery at home.”
Overview latest energy storage systems
- Smart Grid Battery: Molten Salt Battery
- Smart Grid Battery: Lithium-ion Battery
- Smart Grid Battery: Redox Flow Battery
- Smart Grid ‘Battery’: what about Compressed Air?
- Smart Grid Energy storage: Flywheels
- Smart Grid Energy storage: UltraCapacitors
- New: factory sea salt batteries in the Netherlands
- Floating train at 2000 km/h set to store 10% of Dutch electricity
- World’s first ‘Solar Battery’ runs on light and air
- NEW: clean ‘battery’ Hydrogen Storage Solution
- NEW: Organic Battery for almost every Renewable Energy Power Facility
- Aluminum battery loads in 1 Minute (Stanford)
- Green Battery Using Hydro-pneumatics
- Expected: sustainable battery from sea salt
- New water tank can retain > 90 percent of the energy
- Geothermal energy from old, closed coal mines
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