Technology R & D

Technology R&D

Case

Technical Interactive

New technology research and development

Technology R&D

Core Technology

Graphene Nano-battery Materials

Graphene has a high electronic conductivity, is conducive to the transfer of electrons, has a pore structure, can provide a larger lithium storage space and faster lithium ion transport channel. Due to the existence of the skeleton after carbonization of organic carbon source between graphene sheets, it can effectively buffer the volume change in the process of charging and discharging, and prevent the damage to the structure during the charging and discharging process. The material has excellent cycle performance and is a new generation of anode material for lithium ion batteries.

Core Technology

nano hydrogen storage materials

Nanomaterials have quantum size effect, small size effect and surface effect. Hydrogen storage alloys have many new thermodynamic and kinetic properties after nanocrystallization, such as significantly improved activation properties, higher hydrogen diffusion coefficients and excellent hydrogen absorption and desorption kinetics. Nano hydrogen storage materials usually have better performance than ordinary hydrogen storage materials in terms of hydrogen storage capacity, cycle life and hydrogenation and dehydrogenation rate, and the increase of specific surface area and surface atom number makes the metal properties change, which has the properties that bulk materials do not have. Due to the small particle size, hydrogen is more likely to diffuse into the metal to form an interstitial solid solution, and the surface adsorption phenomenon is more obvious.

Core Technology

biological separation and purification

Biochemical products are obtained through microbial fermentation processes, enzyme reaction processes, or mass cultivation of animal and plant cells. These bioproducts tend to be aqueous solutions with low product concentrations due to oxygen transfer limitations, cell mass, and product inhibition. Its composition is complex, including large molecules, small molecules, soluble, insoluble and chemical additives. These products have poor stability, are prone to chemical and microbial degradation, and the batch operation during the cultivation process will lead to relatively large biological variability. From the above fermentation broth, reaction solution or culture solution, the following separation and purification techniques are used to obtain biological products for medicinal or edible use.

 

Cell recovery technology (solid-liquid separation)Flocculation, centrifugation, filtration, microfiltration.

Cell disruption technology:Ball milling, high pressure homogenization, chemical crushing technology.

Preliminary purification techniques:Adsorption, ion exchange, precipitation (salting out, organic solvent precipitation, isoelectric point, precipitating agent), solvent extraction, two aqueous phase extraction, supercritical extraction, reverse micelle extraction, membrane separation technology.

Highly purified technology:All kinds of chromatography, affinity, hydrophobic, focusing, ion exchange, crystallization, chromatographic separation.

Finished product processing:Concentration, sterilization and depyrogen, spray drying, air drying, fluidized bed drying, freeze drying.

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