Nickel niobate explained

Nickel niobate is a complex oxide which as a solid material has found potential applications in catalysis and lithium batteries.

Complexes

Nickel niobate has been added to other elements forming bismuth nickel niobate, providing a dense ceramic body at low sintering temperatures. Cubic pyrochlore, tetragonal pyrochlore, and other unknown phases were found.^[1]

Single-phase perovskite ceramics of (PNN) have been prepared by the columbite precursor method. Dielectric studies showed that ceramic is a typical relaxor ferroelectric with properties like those of its single-crystals.^[2]

Applications

Nickel niobate has been examined for use as a catalyst to reduce 4-nitrophenol due to a photo-synergistic effect that exploits the synergy between thermal active sites and photogenerated electrons.^[3]

Nickel niobate has also been examined in an "open and regular" crystalline form for use as the anode in a lithium ion battery. It forms a porous, nano-scale structure that eliminates the dendrite formation that can cause short circuits and other problems. The material offers energy density of 244 mAh g−1 and retains 80%+ of its capacity across 20k cycles. The manufacturing process is straightforward and does not require a clean room.^[4] The anode offers a diffusion coefficient of 10−12 cm2 s−1 at 300 K, which allows fast charging/dischargine at high current densities, yielding capacities of 140 and 50 mAh g−1 for 10 and 100C respectively.^[5]

External links

• Web site: MatWeb - The Online Materials Information Resource. 2021-11-17. www.matweb.com.
• Zhilun. Gui. Longtu. Li. Hongqing. Lin. Xiaowen. Zhang. 1990-01-01. Low temperature sintering of lead magnesium nickel niobate zirconate titanate (PMN-PNN-PZT) piezoelectric ceramic, with high performances. Ferroelectrics. 101. 1. 93–99. 10.1080/00150199008016505. 1990Fer...101...93Z . 0015-0193.
• 2001. Robert. G.. Maeder. M. D.. Damjanovic. D.. Setter. N.. Nava Setter. Synthesis of lead nickel niobate-lead zirconate titanate solid solutions by a B-site precursor method. Journal of the American Ceramic Society. 84. 12. 2869–2872. 10.1111/j.1151-2916.2001.tb01107.x. 0002-7820.

Notes and References

1. Book: Cai. Xiukai. Sun. Xiaobo. Pang. Lufeng. 2017 Joint IEEE International Symposium on the Applications of Ferroelectric (ISAF)/International Workshop on Acoustic Transduction Materials and Devices (IWATMD)/Piezoresponse Force Microscopy (PFM) . Bismuth nickel niobate with small negative temperature coefficients of dielectric constant . May 2017. https://ieeexplore.ieee.org/document/8000204. 30–32. 10.1109/ISAF.2017.8000204. 978-1-5090-4737-6. 24400333.
2. Alberta. Edward F.. Bhalla. Amar S.. 2002-05-01. Low-temperature properties of lead nickel-niobate ceramics. Materials Letters. en. 54. 1. 47–54. 10.1016/S0167-577X(01)00538-9. 0167-577X.
3. Su. Yiguo. Xin. Xin. Wang. Yafang. Wang. Tingting. Wang. Xiaojing. 2014-03-25. Unprecedented catalytic performance in disordered nickel niobate through photo-synergistic promotion. Chemical Communications. en. 50. 32. 4200–4202. 10.1039/C3CC49825E. 24626389. 1364-548X.
4. Web site: Lavars. Nick. 2021-11-16. "Open" structure lithium battery material enables 10x faster charging. 2021-11-17. New Atlas. en-US.
5. Xia. Rui. Zhao. Kangning. Kuo. Liang-Yin. Zhang. Lei. Cunha. Daniel M.. Wang. Yang. Huang. Sizhao. Zheng. Jie. Boukamp. Bernard. Kaghazchi. Payam. Sun. Congli. Nickel Niobate Anodes for High Rate Lithium-Ion Batteries. Advanced Energy Materials. 2021. 12. en. 2102972. 10.1002/aenm.202102972. 244144580. 1614-6840.