1 pounds news: Tsinghua University graphene lithium metal electrode material research and development made a major breakthrough!
International leading academic journals in the "advanced materials" in the latest issue of published China Tsinghua University, the latest research and development based on graphene nano structure of lithium metal electrode material, the materials, the biggest advantage is can inhibit the growth of dendrites in lithium metal batteries, to further improve its electrochemical performance. So as to enhance the capacity of lithium battery, associate professor, Department of chemical engineering, Tsinghua University Zhang Qiang said: "lithium metal batteries provide the theoretical performance of high, almost than graphene 10 times more energy, and this study is a breakthrough to resolve the bothering of graphene lithium battery materials major problem. Because the dendrite growth and solid electrolyte interface instability will consume a large amount of lithium and electrolyte, resulting in irreversible cell loss."
"We find that the growth of lithium dendrites can be effectively suppressed by a large number of local current density. According to this concept, we use a non stack graphene material with high specific surface area, to create a nano structure of the anode. Results show that this is a very effective method, "Tsinghua University with a doctorate in chemical engineering graduate students and the study lead author Rui Zhang explained," in addition, we adopt double salt electrolyte, more stable and more flexible solid electrolyte interface, in order to avoid the lithium metal and the electrolyte further react. "
2 graphene + lithium battery: open industry applications million tons of alternative space!
Graphene as a conductive additive can significantly improve the charging efficiency, stability and service life of lithium ion battery, compared with granular conductive agent and carbon nanotube has significant advantages. As prices continue to decline, graphene will become an important push to improve the performance of the car of new energy, at the beginning stage, the output value at around 8 billion yuan, is expected by 2020 only domestic cathode material of conductive additives is expected to form the market size of 50 billion. And by 2020, the domestic demand for positive materials will exceed 1 million tons, if all the use of graphene conductive agent and in accordance with the proportion of 5% estimates, the demand for graphene will be more than 50000 tons!
With further breakthroughs in the graphene electrode material industry, the replacement rate of graphene conductive agent will suddenly accelerate! And the technical progress of graphene electrode materials for new energy vehicles to improve the performance of the upcoming era of subversion!
3.2016 years the first year of industrial blowout open! Graphene battery to god!
(1) graphene battery conductive agent scale alternative nearly in front: countries have realized the graphene industry key common issues, and in the "on accelerating the graphene industry innovation and development of a number of opinions" clearly put forward the leading industry position in graphene. Rely on the accumulation of pre technology and research and development, there are some enterprises have been able to large modulus of production conductance calcium carbide graphene, graphene conductive agent in the industrial application phase has been opened. Future with policy and funding will continue to support, on a large scale preparation of high quality graphene industrialization bottleneck will is preferentially breakthrough, graphene conductive agent, and the prices will continue to decline and on carbon nanotube formation obvious price advantage and performance advantages.
(2) graphene is the ultimate material of super capacitor: compared with activated carbon and graphene has multiple advantages, such as high specific surface area and more excellent electrical conductivity, specific capacity is higher than that of the general activated carbon and carbon nanotubes. In addition, the special plane two-dimensional structure makes it more abundant microstructure, which is conducive to the permeation of the electrolyte and the transmission of electrons. Therefore, it is very suitable for the electrode material of the super capacitor. With the accelerated industrialization of the upstream, the price of graphene raw materials are also declining, the depth of the combination of graphene and super capacitors will continue to promote.
According to the U.S. Tech Ex ID report, the global super capacitor market will grow from $800 million in 2018 to $in 2013, the compound annual growth rate of 30.2%. The industrialization of graphene based supercapacitors in continuous progress: at home, China Zhongche R & D 3 V / 12000 Farah Sme / activated carbon composite electrode of super capacitor and 2.8 V / 30000 Farah graphene nano hybrid super capacitor has received Chinese Academy of engineering appraisal, the overall technology reached the world super capacitor monomers of the highest level. According to KDB estimates, in 2016 China's super capacitor market size will exceed 3 billion yuan, only the demand for graphene in the field of super capacitor is likely to reach 300-500 tons!
4 strong wind power outlet has arrived! At the time of the layout!
Core benefit is mainly related to the direction of the graphite electrode materials and graphene battery related subject matter consistent listing Corporation.
1 Linda silk (002404): the small market capitalization, the total market value of only 3 billion 900 million, and the stock of active, authentic theme. Company invested 20 million yuan in Ningbo, the world bank, Ningbo, the world bank after the audit net assets of. Ningbo Shi Jie mainly the production and sale of electric car with lithium ion battery, power management module, power battery systems, and actively expand the portable mobile power supply, UPS energy storage, electric bicycle, motorcycle field with high performance lithium battery market. The core technology team by Massachusetts Institute of Science Institute postdoctoral Wu Qingguo (selected countries "one thousand people plan"), the University of California, Santa Barbara, postdoctoral Zhang Hongli (Ningbo 3315 overseas high-level talents scheme selected), at the University of Liverpool, UK postdoctoral Xu brought three overseas