-(3)Is the so-called

(3)Is the so-called "solid-state battery revolution" hyped or taken seriously?
author:enerbyte source:本站 click355 Release date: 2023-08-07 10:45:56
abstract:
Publishing data is quite important, as it involves two of the most important technologies: silicon anode and pure metal lithium anode. So far, there are still many obstacles to overcome in these two major fields. If one of these technologies can become popular, the energy density of batteries...

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Publishing data is quite important, as it involves two of the most important technologies: silicon anode and pure metal lithium anode. So far, there are still many obstacles to overcome in these two major fields. If one of these technologies can become popular, the energy density of batteries will significantly increase, resulting in a decrease in battery costs and a significant extension of the range of electric vehicles. The question is: Has an excellent company set a set of standards for openness to be followed by itself and other battery companies in the future?

From the perspective of information content alone, TSLA is relatively open. At the BatteryDay press conference last September, TSLA introduced the progress of battery research, such as its ongoing development of silicon anodes. If successful, battery costs would be reduced by half. In November, General Motors announced that its prototype metal lithium anode could already achieve 500 charge discharge cycles. Not long ago, QuantumScape came forward and said that its developed metal lithium solid-state battery can be cycled 800 times at room temperature.

The most transparent company should be SolidPower, which held a press conference on December 10th to release some data, including some bad ones. This candor is touching. The product it develops is a solid-state metal lithium anode.

What achievements has Solid achieved? It can produce 22 layer 20Ah solid-state batteries using traditional lithium battery production equipment. According to Solid, the energy density of the battery reaches 330Wh/kg, which is higher than commercial lithium batteries. Quantum Scape has also stated that it has developed single-layer solid-state batteries, and now its goal is to increase the battery to 100 layers and achieve commercial production.

SolidCEODougCampbell stated in an interview that the company's goal is to produce 100Ah batteries, which will be handed over to automotive customers by the end of next year. By 2027, the company hopes to install the batteries into electric vehicles. DougCampbell also said that he will submit the battery to an independent third-party laboratory for evaluation, and publish the results one or two months after receiving them. QuantumScape currently has no such ambition.

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