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What batteries will be the next generation of lithium-ion batteries?

Views: 208     Author: Andy     Publish Time: 2023-05-18      Origin: Site


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What batteries will be the next generation of lithium-ion batteries?

The only practical battery is the sodium-ion battery.

It is practical not because sodium-ion batteries are superior but because it is fully compatible with lithium-ion battery production lines and has lower storage costs per unit. So it helps reduce the cost of grid storage, home storage, and low-speed electric vehicles.
As for other batteries, such as solid-state batteries, lithium sulfur batteries, lithium air batteries, flow batteries, liquid metal batteries, double ion batteries, zinc ion batteries, magnesium and calcium ion batteries, liquefied gas electrolyte batteries, and aluminum ion battery technology, each have their own fatal problem. I can describe each battery in a simple word:

Solid-state battery: it requires a high-lithium-content solid electrolyte, which greatly increases the cost, and the energy density improvement is actually very limited. Even if the interface technology, production line yield, and other problems are solved, solid-state batteries are only suitable for a very small number of application scenarios without considering the cost and will never be mainstream.

Lithium-sulfur battery: the dendrite/ddead Li problem of lithium metal anode in liquid electrolyte is almost insoluble, no matter how good the sulfur positive electrode is, and even if it is done well, the volume energy density is still lower than that of lithium electricity, the cost is still higher than that of sodium electricity, and the application scenario is extremely limited.

Lithium-air batteries, like controllable nuclear fusion, are always a distant dream. The process of generating lithium peroxide is poorly reversible, the catalyst is easy to poison, and the cost is very high.

Flow battery: the technology is no problem, but in theory the energy cycle efficiency is lower than that of lithium or sodium batteries, plus the necessary pump as a dynamic component, the cost is higher, maintenance is difficult, and, needless to say, compared with sodium ion batteries, even with compressed air, in the grid energy storage is not advantageous, and the application scenario is extremely limited. Liquid metal batteries: the technology is fine, but it needs to maintain a high temperature to operate, which is not as dangerous and costs as much as lithium-ion and sodium-ion batteries, and the application scenarios are extremely limited.

Double ion battery: pseudo-concepts, or pure deception, are not necessary to discuss.

Zinc ion battery: the positive electrode is no problem, the negative electrode zinc dendrite problem can hardly be solved, and the water system electrolyte leads to high self-discharge, so the application scenario is extremely limited.

Magnesium and calcium ion batteries: cannot find a powerful cathode material; the stability of the electrolyte is also problematic; the total energy density and life are not as good as lithium ion and sodium ion batteries; and the application scenarios are extremely limited. Liquid gas electrolyte battery: false concept, pure fraud; there is no need to discuss. Aluminum ion battery: electrolyte corrosion in the fluid collector is difficult to solve; the stability of the graphite electrode is poor; embedded anion volume expansion is huge; electricity The mechanical design is extremely difficult and not practical.

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