Research Of Capacitive Donnan Potential And Capacitive Neutralization Dialysis For Energy Generation

As coal,oil,natural gas and other non-renewable energy getting more and more deficient,and the environmental pollution from burning fossil fuels,solar energy,wind energy,tidal energy and other renewable clean energy springed up.In addition,there are also emerging technologies such as Pressure Retarded Osmosis,Reverse Electrodialysis,Capacitance Double Layer Expansion,and Capacitance Donnan Potential.In this paper,we aimed at the new energy field of chemical energy and salinity gradient energy,and tried to convert them into electrical energy by using a specific capacitance device.Based on the technology of neutralization dialysis desalination,capacitive neutralization dialysis energy method is proposed.It is able to convert chemical energy stored in waste acid and alkali to electrical energy,and to desalinate the salt solution at the same time.By coating the graphite electrode with activated carbon,the effect of capacitance and dialysis is greatly improved.Based on the technology of Capacitance Donnan Potential,we prepared a kind of new material named graphene sponge,and characterized it,observed the surface morphology,measured the specific surface area and pore size distribution,tested its Raman spectra.It is also applied to electrode material,and compared with traditional activated carbon electrode material,it greatly improved the energy output.Waste acid and alkali solution are widely used in various industrial processes,and it has large production.Salinity gradient energy has abundant reserves and wide distribution.We can make full use of these two resources and convert them into electric energy,so that it will be beneficial to the environmental protection and resource saving.Therefore,development of new energy technology has great application prospect and practical significance.