CAJ | 학술논문

以Li_2CO_3为锂源,用水热法制得了类菱形、嵌Ag的LiFePO_4/C.用XRD、SEM、恒流充放电测试、循环伏安和交流阻抗法,对样品进行了研究.样品的结晶完整、粒径均匀;以1 C循环600次,容量没有衰减,第600次循环的放电比容量为130.2 mAh/g;以15 C循环800次,容量保持率为96.4%.
이Li_2CO_3위리원,용수열법제득료류릉형、감Ag적LiFePO_4/C.용XRD、SEM、항류충방전측시、순배복안화교류조항법,대양품진행료연구.양품적결정완정、립경균균;이1 C순배600차,용량몰유쇠감,제600차순배적방전비용량위130.2 mAh/g;이15 C순배800차,용량보지솔위96.4%.
The diamond like and Ag embedded LiFePO_4/C was synthesized by hydrothermal method with Li_2CO_3 as lithium source. The sample was studied by XRD, SEM, galvanostatic charge-discharge test, cyclic voltammetry and AC impedance methods. The sample had perfect crystalline and uniform particle size; the capacity had no fading when cycled 600 times at 1 C,the specific capacity was 130.2 mAh/g at the 600th cycle; when cycled 800 times at 15 C,the capacity retention was 96.4%.