February 21, China's earliest engaged in research and development of graphene technology Beijing Century Technology Co., Ltd. held a graphene lithium-ion battery Charging Batteries 5th release event, which is China's first lithium-ion graphene battery on the 5th . Compared with ordinary No. 5 dry battery and rechargeable battery, this battery has obvious advantages, which can be reused for more than 30,000 cycles and can be used under the environment of -45 ° C to 60 ° C. These performances are beyond ordinary batteries. Most importantly, the battery can achieve mass production, product launches also represents the official market.
(Carbon Century Chairman Yan Liqun on-site introduction of graphene lithium battery release)
Graphene battery is there
The release of EVOC is both the world's first graphene air purifier last year and the world's first high-end industrial application of graphene - "Graphene surface acoustic wave detection technology" after the release of another major product.
Since last year, graphene battery has been uproar, most have doubts about the graphene battery, and even questioned the attitude. So, graphene batteries in the end is it true? The ene storage King conference was given the answer. Carbon Group Chairman Yan Liqun told reporters that the full name of graphene battery should be graphene modified lithium-ion battery, the application of the battery there are four ways, one is directly used in the negative; the second is used as a positive conductive additive, "all Lithium batteries have to add conductive additives, the original is to add conductive carbon black, carbon black is now replaced with graphene, relatively low-end, "Yan Liqun said. Third, the lithium battery is directly coated on the positive electrode surface, because the lithium battery cathode material is a metal oxide, after a long time will lead to oxidation, decreased conductivity, graphene coverage will solve the problem, enhance the micro-conductivity, can not be compared to macro Metal conductivity. Fourth, directly as the skeleton of the electrode material, in order to increase the strength of the cathode material, while graphene has become a positive bone, the overall increase in lithium battery life, improve micro-conductivity and battery safety performance, Kind of method.
Vinyl storage King, energy saving
Carbon Century Releases World's First Graphene Lithium-Ion Rechargeable Battery Energizer Battery is a standard No. 5 battery with a diameter of 14.5mm and a height of 50mm. 5 batteries in many small appliances and digital products widely used as a necessary home batteries, will also be introduced after the 7th battery. Enoxaphen King compared with the average No. 5 battery obvious advantages, each cell rated voltage of 1.9V, the battery discharge platform voltage of 1.9V, 1.5V higher than the average dry cell battery 0.2v, can bring more power. In addition, compared with ordinary rechargeable NiMH batteries, under the correct charge and discharge conditions, the cycle life of up to 30,000 times, ordinary rechargeable NiMH batteries 1000 times. Working temperature is -40 ℃ ~ 65 ℃, common Ni-MH battery working environment 0 ℃ ~ 40 ℃, normal lithium battery working environment is -10 ℃ ~ 40 ℃. It is understood that when the battery temperature exceeds the scope of the work environment, it will cause the battery voltage is too low, less than electrical power requirements, the most direct performance is directly off or disabled.
Yan Liqun introduction, the ordinary dry battery is a zinc-manganese battery, is made of carbon cathode, cathode zinc tube. Lithium iron phosphate is mainly made of lithium-ion battery anode. Eutectics King is graphene modified lithium titanate cathode lithium battery, lithium iron phosphate do positive, using graphene-coated lithium titanate material as the battery anode (ordinary lithium battery cathode is carbon, the ordinary dry battery anode is zinc ), Greatly improve the electronic conductivity, can quickly charge. The gas yield of graphene-coated lithium titanate and the electrolyte in the battery is greatly reduced, which effectively improves the high-temperature cycle life of the battery.
Graphene makes life better
Why choose this type of civilian battery to develop production? Yan Liqun simply answer, for people to need, can immediately be able to use, "our graphene applications are able to directly into the market, and mass production," In Yan Liqun, science refers to the discovery and breakthroughs, Technology is to be transformed into productive forces, changing people's lives and thus contributing to people's well-being. One of the dreams that the carbon century has always insisted on and practiced is to use graphene to turn scientific discoveries into productive forces and truly realize that "science and technology make people's lives better."
As a high-tech enterprise specialized in industrial production of graphene and application of downstream graphene and product development and industrial practice, Carbon Century possesses strong innovation and innovative spirit. At present, the world's first demonstration production line of graphene (monolayer carbon atoms) has been built up, and graphene photo-electricity promotion technology, graphene engine oil energy-saving improver, graphene-modified activated carbon for supercapacitor, graphene modification Plastic, graphene air purification products and technologies, graphene surface wave detection technology.