company news about Why can't lithium-ion battery technology, even though it has won the Nobel Prize, solve the problem of phones being charged once a day?

It has been approximately 28 years since the first commercially available lithium battery was introduced. During this period, the average annual growth rate of its energy density was around 4%, which did not outperform Moore's Law or even CPI. Obviously, with the continuous improvement of mobile phone performance today, it is difficult to truly improve the battery life defects of mobile phones.
One aspect of the reason is that the capacity improvement potential of positive and negative electrode materials is limited. For example, the lithium ions in lithium cobalt oxide can only be partially removed, otherwise there will be a problem of layered structure collapse. It can be said that it is not easy to increase the charging cutoff voltage by 0.05V. For example, the structure of ternary materials and NCA is similar to lithium cobalt oxide, and there cannot be revolutionary changes in capacity. The biggest significance still lies in resource conservation. Currently, graphite is mainly used as the negative electrode, and the development of a new generation of silicon carbon negative electrodes is progressing step by step. The magnitude of changes in the volume of silicon charge and discharge is very significant, which may seem easy to solve after reading some news reports. In fact, there is still a lot to be done. Moreover, in addition to capacity, cycle life (how many years can be used) and rate performance (fast charging) also need to be considered - but these performance indicators often conflict with the material's capacity and must be comprehensively balanced.
On the other hand, some components in the battery, such as the casing, current collector, separator, electrolyte, etc., do not provide capacity themselves and need to be streamlined in weight and volume through reasonable design, but that is not infinite. This further increases the difficulty of improving the overall energy density.
In short, the Nobel Prize is a recognition of pioneers, but the development of lithium batteries is still a long way off. The progress of any advanced industrial product requires hard work, which is an eternal truth.