How can more durable and safer high-power discharge lithium batteries be produced?

As early as 2006, Dell recalled 4 million laptops due to battery problems; At the end of 2015, the electric car made by the technology giant Tesla was ignited by the spontaneous combustion of lithium batteries. In April, Toshiba faced a bottleneck in the development of mobile phones because of the flaws in its laptop lithium-ion batteries.

High magnification polymer lithium battery

How to produce more durable and safer batteries has gradually become an urgent problem in the smartphone industry.

According to a report released by Deloitte, an IT consulting service, the battery life of mobile phones will be a key factor in consumers 'choice of mobile phones.

In the past two years, the emergence of fast charging technology has solved the problem of long charging time for mobile phones. However, there is still little improvement in battery life and safety. As the capabilities of smartphones become more and more comprehensive, users 'performance requirements for batteries will become higher and higher. However, the current technology still does not fully meet the needs of users. The development of mobile phone batteries is facing bottlenecks.

The problem lies in the intrinsic properties of lithium batteries. Lithium, a light metal of earth weight, is better able to carry electrons. At the same time, lithium is too lively and can easily lead to safety problems, low energy density, and high storage costs.

Researchers are trying to solve this problem with new materials and structures. Last year, Apple filed two new patents called "fuel cell systems for portable computing devices" and "coupling fuel cell systems for portable computing devices." By name, the patents suggest that Apple may be working on fuel cell technology to solve the life problems of its iPhone, iPad and MacBook computers.

Stanford University is developing a thin film that will store about five times as much electricity as lithium batteries of the same mass.

The page contains the contents of the machine translation.