Remember the energy floor tiles that we "recommended" for Shanghai Disney? From a professional point of view, this is a new type of battery - flywheel battery (Note: Flywheel battery is a new concept battery proposed in the 1990s, it breaks through the limitations of chemical batteries, using physical methods to achieve energy storage).

More and more new types of batteries, but also to understand the "immediate needs" of today's smart devices, take the phone, if it is dead, it is shaped like a brick. To this end, scientific researchers and hardware manufacturers are working hard on the materials and technologies of batteries, hoping to dig better battery materials, and hope to make the battery capacity bigger and make the battery life better. Today, let's go up and look at these amazing batteries.

Ultra-light photovoltaic cell

As everyone knows, the size of the battery limits the shape that smartphones, computers, and wearable devices can accept.

An ultra-lightweight photovoltaic cell has been introduced, which makes the so-called battery limitations a nonsense. Because it is characterized by lightness or lightness, it can be lightly placed on a bubble.

Researchers at the Massachusetts Institute of Technology say that the core of making this battery is technology, not materials. They implement the battery, substrate and protective layer on the same process, so they are protected from dust.

A flexible polymer called parylene is used as the substrate and protective coating, while the primary light absorbing layer is made of an organic material called dibutyl phthalate. Moreover, the entire process was done vacuum at room temperature without the use of any chemical solvents or irritating chemicals.

When everyone puts their energy into the endurance, it is also a new expansion point to focus on the battery mass.

The battery is very light and has a wide range of applications, such as embedded in clothes or laptops, such as space or high-altitude environments, and it can be used as an easy extension of existing equipment.

Flexible solar cell

Traditional inorganic optoelectronic devices (ie, solar cells) are nothing new, but they must be processed into hard, slab-like pieces to absorb solar energy over a large area, which significantly limits everyday applications. Flexible devices are lightweight and can be folded, curled, and pasted onto curved surfaces such as automotive glass, roofing, and clothing.

If flexible solar cells become a reality, wearable devices will become more perfect.

Currently, scientists from China, the United States, and South Korea have developed similar batteries that can be arbitrarily changed to fit different devices.

Professor Xiong Yujie from the University of Science and Technology of China, based on a wide range of semiconductor silicon materials, uses a metal nanostructured hot electron injection method to design a solar cell that can be photoelectrically converted in the near-infrared region and has mechanical flexibility.

Xiong Yujie's research group integrated silver nanosheets with near-infrared light absorption properties and silicon nanowires to construct two different photovoltaic devices. Under near-infrared illumination, the hot electrons generated by silver nanosheets can be directly injected into silicon semiconductors. The photoelectric conversion efficiency of the near-infrared region is improved by 59%.

This flexible battery can be mounted on your skin to provide enough power for your wearable device at any time. This achievement is expected to be used to develop intelligent temperature-controlled solar cells and wearable solar cells.

Hydrogen fuel cell

It is not uncommon for the battery to make a fuss about fuel. The hydrogen fuel cell that Xiaozhan said can increase the life of the drone to 2 hours.

Intelligent Energy of the United Kingdom has developed a hydrogen fuel cell that allows the drone to fly continuously for two hours in the sky and to refuel immediately after landing and continue to fly.

This drone hydrogen fuel cell is almost 1.6 kilograms full of fuel, which is lighter than lithium batteries .

At present, this hydrogen fuel cell has been successfully tested on the Dajiang Matrice 100 drone. Intelligent Energy said the battery will be available as soon as the end of the year.

However, due to the particularity of this hydrogen fuel cell fuel, the danger of the battery has increased a lot. As long as it is technically rigorous, the risk factor can still be controlled.

Sucrose battery

First correct, this sucrose battery is not made of sucrose. Just ordinary sucrose in daily life can be used to generate electricity.

Scientists at MIT have shown that sucrose-coated carbon nanotubes, which ignite carbon nanotubes from one end, generate thermal energy waves (TPW) that push the electrons in the tube forward to generate electricity.

All major reports claim that this principle is very complicated! The principle that I want to come to the scientist is not something that ordinary people can understand. Still speaking, its usefulness~

Although the sucrose battery is not efficient, it is commendable that the stored electricity will not be lost over time, which absolutely crushes the lithium battery . In addition, since the amount of carbon nanotubes in the technology can be reduced, future sugar batteries can also be used in wearable devices.

Air charging

Researchers at the University of Washington Sensing Laboratory have created the Wireless Identification and Sensing Platform (WISP): a combination of a sensor and a computing chip that operates without the need for a battery or a power cord.

It absorbs the radio waves emitted by an RFID (radio frequency identification) reader and converts it into a current.

It has similar clock speeds and functions as the processors in Fitbit, including embedded accelerators and temperature sensors. It achieves this greatness through backscattering wireless signals.

Its bandwidth is similar to Bluetooth low energy mode, a wireless charging technology that supports most Bluetooth speakers and wireless headphones. For example, install WISP into the fitness tracker, you can download new tracking functions, or update to correct errors without connecting it to any device.

By cooperating with WISP and RFID readers, researchers say they have been able to make 10x fast battery-free computers.

However, it is still a long way to charge the iPhone and laptop with radio waves.

However, the current areas where WISP can be used are: 1. Construction, which can detect whether the building has received damage during the earthquake; 2. In the agricultural sector, the ability to simultaneously monitor thousands of plants can bring great value; Implantable equipment to monitor the health of the patient; 4, fitness bracelet. Most importantly, WISP and other battery-free computers can make IoT devices smart.

Conclusion

As we all know, the size of the battery limits the shape that smart phones, computers, and wearable devices can accept. The performance of the battery seriously restricts the functions of these smart devices. Therefore, battery and even battery technology is the lifeblood of the entire industry of intelligent hardware.

The performance of the product is high-end, the function is cool, without the support of the power supply, everything can only be counted as P (please allow the swearing here)! The introduction of new battery technology will bring new possibilities to smart hardware, especially the wearable field, both in terms of volume and battery life.

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