1. Material: carbon nanotube lithium electrode
Research institution: Massachusetts Institute of Technology
Highlights: The Massachusetts Institute of Technology is using carbon nanotubes to develop a cathode material, which can store and release more cations than ordinary lithium-ion batteries, and its energy density and point flow are 10 times that of existing products.
Time to market: within 5-10 years
2. Material: copper-made nanometer iron phosphate lithium ion battery cathode material
Research institution: Colorado State University
Highlights: Colorado State University replaced porous and conductive graphite electrodes with extremely thin copper wires. On the one hand, copper is not sensitive to heat. On the other hand, the energy storage performance of this material is better than the graphite currently used in lithium-ion batteries. More, the charging and discharging performance is also better.
Marketization time: The feasibility of commercialization is being studied.
3. Material: Li-air battery
Research organization: IbM
Highlights: IbM said that because lithium-air batteries use carbon electrodes, ions react with oxygen without consuming the electrolyte medium, this battery can greatly increase the driving range, and its goal is to increase the driving range to 500 miles.
Time to market: before 2020
4. Material: silicon lithium
Research institution: Northwestern University
Highlights: Harold H. Kung of Northwestern University in the United States is exploring ways to replace carbon electrodes with silicon electrodes to increase the driving range of electric vehicles. He hopes to develop more flexible electrodes to meet the expansion and contraction of silicon, which will help others absorb and release electrical ions.
5. Material: Carbon foam capacitor
Research institution: Michigan Technological University
Highlights: The University of Michigan is studying an energy storage tool, which is composed of chemical batteries and solid capacitors that can store electricity. The negative electrode made of carbon foam can increase the energy density, and the battery and capacitor using carbon anode are not only smaller than traditional lithium Ion batteries have a stronger cycle life.
6. Material: lithium silicon polymer battery
Research institution: Lawrence Berkeley National Laboratory (US Department of Energy)
Highlights: Scientists at Lawrence Berkeley National Laboratory are developing a battery called LithionSiliconpolymerbattery. Due to the use of specially structured polymer electrodes instead of silicon electrodes, its energy storage performance is better than ordinary lithium-ion batteries.
7. Material: carbon nanofiber lithium-sulfur battery
Research institution: Stanford University
Highlights: Scientists at Stanford University believe that silicon has better storage capacity than lithium. Although silicon absorbs ions and can significantly enlarge and block the conductive path of the anode, nanofibers made of silicon materials can guard against this effect. At the same time, the energy storage of carbon nanotubes coated with sulfur is ten times that of ordinary lithium-ion battery materials.
8. Material: lithium manganese composite material / silicon carbon composite material
Research organization: EnviaSystems
Highlights: Enwei Systems has developed cathodes based on manganese materials, which have a wide range of manganese sources, stable performance, and lower cost than cathode materials made based on cobalt. The company claims that this research can allow electric vehicles to reach 300 miles.