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How to improve the energy density of lithium-ion batteries has always been the core content of lithium-ion battery research, especially in the aspect of cathode materials. In order to improve the specific energy, people are "unscrupulous". Therefore, a variety of cathode materials for lithium-ion batteries are emerging one after another, such as lithium rich manganese, ternary materials, etc. The specific capacity of some cathode materials has reached more than 200mAh/g, However, these cathode materials o

Lu Anhui, a professor of Dalian University of Technology, recently innovatively proposed that the metal organic skeleton zif-8 was prepared by in-situ growth of nano binary metal oxide (znsno3) as precursor using solvent-free method sn@c compound material. According to the theory of soft and hard acids and bases, 2-methylimidazole, as the boundary base, preferentially combines with the boundary acid zn2+to generate zif-8. The subsequent pyrolysis process makes zif-8 transform into a conductive carbon network contai

Recently, Wei Zhixiang, a researcher of the National Nanoscience Center (hereinafter referred to as the "Center"), led the project "Development of Flexible Lithium Ion Battery with Carbon Nanotube Composites" of the Beijing Science and Technology Commission, which passed the acceptance of the expert group, and successfully completed the task. The Wei Zhixiang team of the Center innovatively replaced the copper foil and aluminum foil collectors used in traditional lithium ion batteries with na

The battery performance is very important for electronic equipment. Short charging time and long duration are all people's expectations for the lithium ion batteries that are currently widely used. Recently, the Lawrence Berkeley National Laboratory of the US Department of Energy, in cooperation with researchers from Stanford University and other institutions, has developed a new X-ray microscope (STXM) technology, which can carefully observe the particle activity during the charging and discharging proce

A team of researchers from Ohio State University (OSU) in the United States applied research on the structure of human biological cell membrane to develop a "smart" battery diaphragm that can effectively reduce charge penetration, improve the charging rate, extend the storage time (reduce self discharge), and enhance the safety of electric vehicle batteries. The utility model solves the problem that the traditional battery separator allows the charge to easily penetrate the separator during charging, whic

In general, electronic devices are designed and produced for longer endurance, but there are naturally exceptions, such as "Transient Electronics" to be introduced in this article. The original intention of the design is to protect the environment, and activate the degradation components under the trigger of environment such as temperature, light or moisture. Now scientists from Iowa State University have designed a battery for such devices, which will decompose when immersed in water. Under what circumst

Solid Energy Systems, a division of MIT, has developed a new type of lithium metal battery, which is not only smaller, but also has twice the power supply capacity of the lithium ion battery widely used at present. According to Qichao Hu, the founder of the company, the secret of this battery is that it has a very thin high-energy lithium metal foil, which has more ions than widely used graphite. More ions means more energy capacity. The energy density of this battery is twice that of lithium ion battery. They are

Recently, the project of "Research on Key Technologies of New Lithium Sulfur Chemical Energy Storage Batteries" in the field of advanced energy technology of the National "863 Plan" undertaken by Dalian Institute of Chemical Physics, Chinese Academy of Sciences, participated in the technical acceptance organized by the Energy Department of the High Technology Center of the Ministry of Science and Technology in Beijing. Chen Jian, the person in charge of the High Technology Research and Developme

Japan: In July 2018, NEDO, a Japanese national research institute, announced that some Japanese enterprises (including 23 automobile, battery and material enterprises such as Toyota and Panasonic) and 15 academic institutions would jointly research and develop all solid state lithium batteries for electric vehicles in the next five years. At present, the second phase of solid-state lithium-ion battery research and development project has been launched, with an estimated investment of 10 billion yen (about 630 mi