Fabrications of High-Capacity Alpha-Ni(OH)2
AbstractThree different methods were used to produce α-Ni(OH)2 with higher discharge capacities than the conventional β-Ni(OH)2, specifically a batch process of co-precipitation, a continuous process of co-precipitation with a phase transformation step (initial cycling), and an overcharge at low temperature. All three methods can produce α-Ni(OH)2 or α/β mixed-Ni(OH)2 with capacities higher than that of conventional β-Ni(OH)2 and a stable cycle performance. The second method produces a special core–shell β-Ni(OH)2/α-Ni(OH)2 structure with an excellent cycle stability in the flooded half-cell configuration, is innovative and also already mass-production ready. The core–shell structure has been investigated by both scanning and transmission electron microscopies. The shell portion of the particle is composed of α-Ni(OH)2 nano-crystals embedded in a β-Ni(OH)2 matrix, which helps to reduce the stress originating from the lattice expansion in the β-α transformation. A review on the research regarding α-Ni(OH)2 is also included in the paper. View Full-Text
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Young, K.-H.; Wang, L.; Yan, S.; Liao, X.; Meng, T.; Shen, H.; Mays, W.C. Fabrications of High-Capacity Alpha-Ni(OH)2. Batteries 2017, 3, 6.
Young K-H, Wang L, Yan S, Liao X, Meng T, Shen H, Mays WC. Fabrications of High-Capacity Alpha-Ni(OH)2. Batteries. 2017; 3(1):6.Chicago/Turabian Style
Young, Kwo-Hsiung; Wang, Lixin; Yan, Shuli; Liao, Xingqun; Meng, Tiejun; Shen, Haoting; Mays, William C. 2017. "Fabrications of High-Capacity Alpha-Ni(OH)2." Batteries 3, no. 1: 6.