EV battery need a major technical advancement, we need breakthrough in battery chemistry using other battery materials, like Lithium Sulphide, Sodium Sulphide, Sodium Air or other kinds that probably incorporate also graphene technology
It is true that the current NCM lithium battery has much less energy density when compared to fossil fuel (much more mass in order to release the same amount of energy)
New battery material has much higher energy density and is greener to manufacture and raw materials are more abundantly found on Earth
The best EV battery makers are those from Korea and Japan,
but chinese companies get subsidy from their government as well as steal IP and use forced knowledge transfer to obtain technology to make slightly inferior but still competitive battery
actually, Tesla is among the cheapest and most cost efficient EV in the world right now. Many chinese EV makers when without government subsidy sell EV at much higher price than Tesla and are far more inferior, more energy inefficient. Despite the fact that nearly every of them involves stealing IP from western rivals or forced knowledge transfer.
The scientist are making progress in 4th gen reactor that can burn those radioactive waste that have extremely long half life and make available nuclear fuel last longer. The technology behind is neutron activation.
The problems for EV is that the motor requires strong permanent magnet for the best efficiency, these magnet need rare earth elements that currently primarily come from china.
But I heard that Japanese are making progress in making permanent magnet that do not need rare earth elements from china
solar cells are currently highly inefficient, cost many energy to manufacture and has low efficiency in generating electricity. but the future material Perovskite solar cell has much higher conversion efficiency and cost much less energy to manufacture and use abundant elements. Solar energy will be much greener in the future
19-Dec-2020 03:16:44
- Last edited on
19-Dec-2020 03:27:23
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Sjm1992003a