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lithium-ion battery pack
Run on cars, digital cameras, drones, light bulbs, mechanical tools, inverters, ships, trains, planes, windmills and even satellites.
The basic science behind the battery is to convert chemical energy into electrical energy containing three main components: anode, cathode and electrolyte.
Over the years, the battery revolution has gone through several stages of chemical combination and realization.
From the post to the Neil cells, and from the lead-
Acid-to-nickel-cadmium batteries, further developed to alkaline batteries, nickel-Metal Hydride (NiMH)
And finally lithium-ion battery.
These products have a variety of shapes and sizes as needed, as well as the power capacity that may be packaged.
The ion battery pack includes graphite, oxygen, metal and, of course, lithium, which operate in a cycle of discharge and charging.
At the same time of generating energy, lithium goes back to the positive pole through the electrolyte, and when charging, the ion moves to the positive pole.
This cycle repeats over time and reduces the effect of ions providing charge. The lithium-
There are wh/kg ions (Watt-
Hourly per kilogram)
The energy of NiMH is only 90Wh/kg.
This is a huge difference for small, portable and noise-free rechargeable batteries.
Focus on parameters: 10 parameters of a lithium-
The development of ion battery pack covers high specific energy, specific power, affordable cost, longer life, better safety, wide temperature operating range, non-
Toxic, fast charging, self
Emissions and longer shelf life.
In the early stages, the cost of a Li-
The price of the ion Battery per kWh is $3000, while the lead
Acid batteries are $150 per kilowatt hour.
But over the years, due to Lee-
The cost of the ion battery pack is 150 kWh/kg higher than NiMH, and now the cost per kWh is $240 to $.
Tesla\'s goal is to reach $100 per kWh of lithium.
Ion battery pack for cars.
New era: total sales of lithium in 2005 were about $49
In 2015, the price of ion batteries soared to $ 15200mil, of which the price of car batteries alone reached $ 4800mil.
It is expected that by 2020, the total number of cars on the road will reach 10% from 0.
Today is 3%, 35% by 2035.
China, Europe and Japan are growing at higher rates compared to the United States.
Statistical consumption of Li-1900TWh
The ion battery pack before 2035 is equivalent to powering our entire person for a day.
The future: there is still a lot to be developed in battery technology, because over the years, we have nothing deeper than lithium --
Ion battery packs in parallel or in series configurations provide the required voltage, power density, and capacity.
We have certainly changed the content and proportions of the raw material mix to enhance capabilities, but there is still a lot of work to be done with battery technology.
The goal is to reach above 400Wh/kg and reach our 400Wh/kg today.
By 2020, it is expected that 75% of the batteries contain cobalt and, at least with a certain capacity, better and enhanced electrolyte.