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Tang Yongbing, a researcher in the Research Center for Functional Thin Film Materials of the Integration Institute of the Chinese Academy of Sciences Shenzhen Advanced Technology Research Institute, and his research team have successfully developed a flexible ultrafast charge discharge battery with an integrated structure design. This new structure design has significantly improved the fast charge discharge characteristics of the battery, while maintaining high energy density and cycling performance.

This new battery structure design simplifies the manufacturing process of traditional lithium-ion batteries and significantly improves the fast charging and discharging capacity of the battery. The new battery has an ultra-high rate performance of 120C (charging and discharging time of about 30 seconds), and can maintain a high energy density of 232Wh/kg while achieving an ultra-high power density of 22634W/kg.

This research achievement is expected to be applied in the fields of flexible wearable electronic devices, drones, robots, etc. Its integrated flexible structure design concept also has guiding significance for improving the fast charging and discharging performance of other energy storage devices.

Aluminum air battery

The Ningbo Institute of Industrial Technology, Chinese Academy of Sciences has developed a kilowatt level aluminum air battery power generation system based on graphene air cathode. The battery system can simultaneously power a TV, a computer, an electric fan, and 10 60 watt lighting bulbs, preliminarily verifying the power generation and supply capacity of the aluminum air battery system, which is a major breakthrough in the fields of new energy and new materials.

Senior engineer Xue Yejian introduced that aluminum air batteries using graphene based composite oxides as catalysts have great market potential, and the core material of aluminum air batteries is a cathode catalyst doped with graphene. This product uses aluminum plate as the anode, and inserts the air cathode of graphene based composite catalyst into a container containing electrolyte. Aluminum reacts with air to produce electricity. This aluminum air battery currently holds 22 national patents and will be used in various fields such as electric vehicles and communication base stations in the future.

If used on new energy vehicles, it can make the body lightweight and greatly increase the range. If used on mobile phone power banks, it can greatly increase the output power. If some communication base stations use this type of battery, the advantages are also obvious. Nowadays, communication base stations in China use lead-acid batteries. Communication base stations nationwide require about 10 million sets of lead-acid batteries, which are replaced every two to three years. It is difficult to update in some remote areas, and aluminum air batteries have a lifespan of 15 to 20 years, which can greatly solve this problem.

It is reported that aluminum air batteries can also be used in horse lamps and beacon lights in the future. When sea going personnel encounter an emergency power shortage, this battery using graphene based composite oxide as a catalyst can generate electricity by scooping some seawater and connecting it to a wire. For some hikers, this can also make the journey safer.

Graphene supercapacitors

Do you still remember Zap&Go, the world's first supercapacitor mobile power supply developed using graphene? That's a real 5-minute charging and 1-hour call. Now, its development company Zapgo is going to enter the Chinese market! Recently, we officially signed a cooperation agreement with Zhuzhou Cube New Energy Technology Co., Ltd. (hereinafter referred to as Cube New Energy) to jointly develop Carbon Ion graphene supercapacitors.

Graphene was introduced in 2004 and is currently known as the thinnest, strongest, and most conductive and thermal conductive new type of nanomaterial. It is one 200000 times that of hair and 200 times stronger than steel. Known as "black gold" and "king of new materials", some scholars have said: "The 19th century is the era of ironware, the 20th century is the era of silicon, and the 21st century is the era of carbon." Graphene is a representative material of carbon.

Scientists even predict that it will "completely change the 21st century" and its application areas are almost limitless, including the fields of biomedicine, physical separation, applications, and lithium batteries, among others.

The cooperation between Zapgo Co., Ltd. and Cube New Energy has brought a new dawn to relevant personnel in the global new energy industry chain. A new future lies in the high-quality characteristics of graphene in multiple fields: sturdy and wear-resistant, good thermal conductivity and conductivity (faster charging speed), high and low temperature resistance. It is reported that graphene can work freely in an environment of -30~80 ℃. Once "graphene supercapacitors" are truly introduced, It will definitely completely overturn the new energy landscape.

But at the same time, there are also two issues at hand: first, graphene has high cost and low mass production ability. Graphene is comparable to the price of gold, and even if all of it is made into electrode materials, who can afford it? The second issue is whether it is possible to provide stable products in batches and mass produce them to meet industry demands. As long as these two major problems are solved, the new energy industry will undoubtedly subvert people's imagination.

Membraneless battery

Researchers at Purdue University in the United States have developed a new type of membrane free flow battery that can achieve fast charging effects. This battery uses liquid electrolyte as the battery fluid. When the battery is depleted, the driver only needs to replace it with a new battery fluid to quickly charge it.

Unexpectedly, the used battery liquid can be collected and sent in bulk to the power station for recharging, turning into an electrolyte for recycling.

The coolness of membrane free batteries goes beyond that. Using this membrane free battery to charge cars not only saves drivers time, but also eliminates the need for large-scale charging infrastructure, saves public resources, and eliminates the hassle of electric vehicles relying on charging piles or stations.

Membraneless batteries have another advantage. Car enthusiasts know that once the battery membrane is contaminated, it not only shortens the battery life, but also may cause fires. This battery module effectively avoids this problem, with stable performance and high safety, and can be installed in residential areas. The most crucial thing is that this type of battery can meet the requirements of production and sales, and the cost is not high.

For this futuristic and low-cost membrane free battery, are you feeling a bit impatient? Let's wait for it to become official!

Lithium glass battery

Lithium glass batteries were developed by 94 year old John Goodenough (Professor of Mechanical Engineering and Materials Science at the University of Texas at Austin) and his engineering team at the University of Texas at Austin. John Goodenough is a co-inventor of lithium-ion batteries.

Lithium glass batteries not only triple the energy density of lithium ions, but they can also quickly recharge within a few minutes, and have a charging cycle of over a few thousand times.

Unlike ternary lithium batteries, lithium glass batteries perform well in extreme weather conditions below zero and are not as flammable as ternary lithium batteries. The key lies in the solid glass electrolyte used, rather than the liquid electrolyte commonly used in lithium batteries. Because the charging speed of liquid batteries is too fast, it is easy to cause short circuits or fires, while solid electrolytes reduce the risk of circuit board short circuits and become a safer choice.

More importantly, the materials used for solid glass electrolytes are not only very low-cost, but also sustainably utilized. Its material is cheap salt, which can be extracted from widely available seawater, making lithium glass batteries a more environmentally friendly battery. Once officially introduced into the power battery market, it will solve the problem of high cost pressure in the power battery industry. But it will still take several years for this new technology to be officially introduced into the commercial market.

10 second fast charging battery

MIT researchers have invented a surface treatment technology for charging materials, which allows lithium-ion batteries to charge within seconds.

A lithium battery typically takes 6 minutes or more to complete charging. However, traditional lithium iron phosphate materials can increase the charging speed of batteries by 36 times (only 10 seconds) after surface treatment to generate nanoscale grooves.

lithium batteries using this technology also have high discharge speeds, making them suitable for accelerating hybrid vehicles, allowing them to catch up with cars using gasoline engines.

Researchers say that in the future, mobile phones and other small devices using this technology will be able to charge with lithium batteries in just a few seconds. For the emerging electric vehicle industry, this means that the speed of electric vehicles will be increased to be comparable to that of gas vehicles.

It will take two years to apply this charging technology to existing lithium battery substrates and launch products, during which time the home charger for electric cars can be redesigned to handle fast energy transfer. For electric vehicles, the charging speed of vehicle batteries at home is not only limited by the battery itself, but also by the electricity situation in the owner's home.

So far, tests have shown that lithium iron phosphate materials, after nanoscale surface treatment, are as durable as bulk materials, and can be recharged and discharged repeatedly without affecting the charging effect due to aging.

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