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纯纳米 NiO 的拉曼光谱谱图上谱峰较少,且强 ( H)度较弱;纳米 N ( H)极谱峰较多,度较强。而 iO正强
( hns 7 nra iMa r l) 9 8 1 ( )64 C i e. og nc ti s,1 9, 3 5, 7 . e .I ea[】 E GC egH n (成红 ) I i u刘澧浦 ) I u 5 P N hn— o g彭,LU L— ( P,L— Z Xn李祖鑫 )e a Da h ( hns 7 aty,2 0, 1 i( t l in i C i e. e e .B tr) 0 1 3 e( )l 5 4,7.
测试结果说明,单纯的纳米 N ( H) iO的放电容量不如球形 N ( H)而若将纳米 N ( H) 8 t的比 iO ; iO以 w%
1■
采用配位沉淀法制备出了Ni(OH)2样品,经XRD测试为β-Ni(OH) 2,TEM测试结果表明其为平均粒径50nm左右的不规则的颗粒。将所制备的纳米Ni(OH) 2按8wt%的比例在球镍中混合后制成电极,可使正极的比容量提高11%左右。热分析表明,纳米Ni(OH) 2的电化学活性高于球镍的电化学活性。
维普资讯
第 3期
韩喜江等:合纳米氢氧化镍的球镍电极材料的电化学活性研究混
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