| 학회 |
한국공업화학회 |
| 학술대회 |
2016년 봄 (05/02 ~ 05/04, 여수 엑스포 컨벤션) |
| 권호 |
20권 1호 |
| 발표분야 |
무기재료_포스터 |
| 제목 |
The incorporation of Cr ions into the framework of ZnO for stable electrochemical performance in a membrane free alkaline Ni/Zn redox |
| 초록 |
ZnO and Cr-incorporated ZnO (CrxZnO, x=0.001, 0.005, and 0.01 moles) crystalline particles are synthesized using a solvothermal method Ni/Zn batteries. Both types of particle showed a wurtzite-type structure with spherical shapes, however the peak widths of＜20 nm in the XRD patterns of the CrxZnO particles were broader. Cr0.005ZnO displayed a high power, capacity and longer life cycle for rechargeable membrane-free alkaline Ni/Zn batteries than the other particles. The capacity of 136 mA h g-1 for the Ni/Cr0.005ZnO battery was higher than that (49 mA h g-1) of the Ni/ZnO battery after cycling at a current density of 30 mA cm-2. When Cr0.005ZnO was used as an anodic material, the growth of zinc dendrites on the Ni-plate anodic electrode was suppressed during 50 charge-discharge cycles. These results indicate that the proper insertion of Cr into the lattice of the ZnO framework enhances the electrochemical performance in a membrane free alkaline Ni/Zn battery. |
| 저자 |
조승원1, 박경수2, 조태우2, 이진식2, 강미숙1
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| 소속 |
1영남대, 2(주)비츠로셀 |
| 키워드 |
CrxZnO; Membrane free; Alkaline Ni/Zn battery; Zinc dendrite
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| E-Mail |
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