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Updated: Jan 20, 2026
Fabrication and Design of Wood-Based High-Performance Composites
Published on: November 9, 2019
Simple Physical Mixing of Graphitic Wood-Derived Carbon For High-Performance Ni(OH)2 Electrodes: A Sustainable
Xingyan Zhang1, Sadaf Saeedi Garakani1, Gunder Karlsson1
1Department of Chemistry, Stockholm University, SE 106 91 Stockholm, Sweden.
None:
The replacement of expensive metal powders in Ni-(OH)2-based cathodes is essential for reducing cost and environmental impact in aqueous Ni-Zn batteries. This work investigates graphitic wood-derived carbon (GWC) as a sustainable conductive additive to boost the performance of Ni-(OH)2 pasted electrodes prepared by a simple physical mixing process. A number of graphitic wood-derived carbon qualities are explored as functional additives replacing expensive cobalt and nickel powder additives while maintaining the electrochemical performance of Ni-(OH)2 electrodes in aqueous rechargeable Ni-Zn batteries. The GWC offers high electrical conductivity and a unique microsized particulate morphology. Optimizing the GWC content to 25 wt % yields a specific capacity of 284.2 mAh g-1 at 0.2C, which is better than that of electrodes containing only Ni-(OH)2, with Ni/Co powders, or commercial carbon black. Furthermore, the open-circuit voltage hysteresis and state of charge are studied to understand the charge/discharge process, suggesting that GWC is an effective alternative to expensive metal powders, providing a low-cost and sustainable strategy for improving Ni-(OH)2-based electrodes through a straightforward manufacturing process.
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Wood is a ubiquitous material that has been used in construction from the earliest times. Wood is a renewable, sustainable material with great aesthetic value. Today, there are probably more buildings constructed with wood than any other structural material. Many of these buildings are singlefamily residences, but many larger apartment buildings, as well as commercial and industrial...