摘要
为了得到稳定化的α-Ni(OH) 2 ,使用X衍射法对添加Al或Co的α-Ni(OH) 2 的化学稳定性和电化学稳定性进行了研究 .实验表明 ,α-Ni(OH) 2 中Al,Co摩尔百分含量为 1 5 %时 ,晶型不稳定 .含Co 2 0 %的α-Ni(OH) 2 化学稳定性可达 3个月 ;含Al2 0 %的α-Ni(OH) 2 具有较好的化学稳定性和电化学稳定性 .在 7M的KOH中最少可稳定 6个月 ,充放电 1 0 0次晶型不改变 ,并且容量稳定 .
Presents the study by XRD of the chemical stability and electrochemical stability of α-Ni(OH) 2 doped with Al or Co to obtain stable α-Ni(OH) 2 which indicates that α-Ni(OH) 2 doped with 15% Al or Co is not stable; α-Ni(OH) 2 doped with 20% Co remains stable for three months; α-Ni(OH) 2 doped with 20% Al has excellent chemical stability and electrochemical stablility can be stabilized for 6 months at least in 7M KOH and remains stable after 100 recycles without discharge capacity loss.
出处
《哈尔滨工程大学学报》
EI
CAS
CSCD
2001年第4期81-83,0,共3页
Journal of Harbin Engineering University
