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SUPER EFFICIENT AND LONG LASTING BATTERY CREATED OUT OFF WOOD

- May 31, 2018 -

With their high chemicals and less than environmentally friendly, A team of scientist has succeeded in creating a nano scale rechargeable battery from the most environmentally friendly material there is — wood.


The most common rechargeable batteries today are based on lithium technology. In these cells, lithium ions carry the current by moving from the negative to positive electrode. The wood based battery concept is the same with the battery designed to be relying on sodium instead of lithium.


What makes wood an excellent material to hold liquid electrolytes and be an active part of the battery is that the cellulose fibers in the wood are gathered from yellow pine trees which are naturally flexible and can withstand the strain as most battery usually swell because of the charge and discharge cycles..


As experience, the battery was put through a charge and discharge cycles after being coated with a thin layer of tin. The results show that the battery can maintain integrity over 400 charging cycles which is better than most lithium-ion cells. Although the fibers were wrinkled, but still efficient enough to keep the cell working.


Unfortunately the lower energy density of this type of sodium-ion battery means the technology won’t be included in your smartphone as a block of wood but probably used on a larger scale storage battery.


And being environmentally friendly, the sodium-ion battery could see a good future as scientist believe the technology could serve to develop a new generation of low-cost sodium-ion batteries.