摘要(英) |
In recent years, Prussian blue was used as a cathode material for rechargeable batteries. Prussian blue has two independent redox transition metal elements. It can store lithium ions, perform battery charge and discharge reactions, and is easy to synthesize, Low cost, has a long life, and has high power characteristics. K-CoCo & Na-FeFe Prussian blue nanoparticle was prepared by co-precipitation method, and K-CoCo was prepared by co-precipitation solution at 50°C. Na-FeFe was prepared by co-precipitation solution at 85°C, respectively. Use X-ray diffraction to analyze the crystal structure and chemical composition of the sample. The K-CoCo sample prepared by the 50°C co-precipitation solution has a particle size of 41 nm; the Na-FeFe sample prepared by the 85°C co-precipitation solution has a particle size of 59 nm. Two kinds of nanoparticles of nickel & indium are added during the production of the pole piece K-CoCo. Meanwhile, two kinds of nanoparticles of nickel & silver are added during the production of the positive pole piece Na-FeFe the nanoparticles and Prussian blue are uniformly mixed to produce the battery pole piece. The 41 nm K-CoCo Prussian blue and 59 nm Na-FeFe Prussian blue were made into batteries, and the battery charge-discharge cycle efficiency was discussed. The 41 nm K-CoCo and 59 nm Na-FeFe were added with nickel, silver, and indium nanoparticles, respectively, to test the charge-discharge cycle efficiency of the battery with the added nanoparticles. The 59 nm Na-FeFe add with different percentages of nanoparticles (10%, 25%, 35%) of nickel and silver nanoparticle batteries were charged and discharged with different currents 0.03 mA & 0.015 mA, and the 41 nm K-CoCo the added 13% nanoparticles were cyclically tested at different currents (0.03 mA, 0.015 mA & 0.007 mA) |
參考文獻 |
Reference Chapter 1
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