Paper based battery apparatus based on microfluidic technology
A microfluidic technology and battery device technology, applied in the field of paper-based battery devices based on microfluidic technology, can solve the problems of low automation, short power generation time, and difficult recycling of paper batteries, so as to prolong power generation time and ensure battery life ability, the effect of improving reusability
Active Publication Date: 2019-03-01
JIANGSU UNIV
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A kind of paper battery is proposed in the document of Chinese invention patent application number CN02274195.X, and it adopts paper or plastics to make substrate, is coated with metal zinc negative electrode layer on the substrate and is made up of electrolytic manganese dioxide, graphite positive electrode and ammonium chloride, The mixed layer of electrolyte composed of calcium chloride, zinc chloride and ink uses the principle of primary battery reaction to generate electricity. It does not contain mercury and lead, which is beneficial to environmental protection. However, the paper battery is not easy to recycle, the power generation time is short, the degree of automation is low, and the reaction Can only output 1.5V voltage
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[0036] See figure 1 , figure 1 The device of the present invention has multiple identical chip sets 43, and multiple identical chip sets 43 are placed in parallel, figure 1 Only 6 chipsets 43 are shown in. One side of the plurality of chip sets 43 is provided with a liquid cylinder 24, an air pump 18 and a solenoid valve 32, and the other side is provided with a hub 26 and a constant pressure module 34. The outlet of the liquid cylinder 24 is connected to and communicates with the inlet of the microfluidic pipe 17, the outlets of the microfluidic pipe 17 are respectively connected to and communicate with the inlets of a plurality of air pumps 18, and the outlet of each air pump 18 is connected to and communicates with the inlet of a chip set 43. A solenoid valve 32 is installed at the inlet of each air pump 18 to control the switch of the corresponding air pump 18. The numbers of the air pump 18, the solenoid valve 32, and the chip set 43 are the same and correspond one to one....
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The invention discloses a paper based battery apparatus based on microfluidic technology. A liquid cylinder outlet is respectively connected and communicated with a plurality of air pump inlets through microfluidic pipelines. Each air pump outlet is connected and communicated with a chip set inlet. An electromagnetic valve is installed at each air pump inlet. Each chip set is connected with an anode electrode plate and a cathode electrode plate, wherein each anode electrode plate is connected to an input end of a concentrator through an anode sub-wire, while each cathode electrode plate is connected to the input end of the concentrator through a cathode sub-wire. An output end of the concentrator is connected to a pressure constant module. Each chip set includes, from top to bottom, a sample inlet hydrophobic layer, a reactive layer, an expansion layer, a waste liquid storage layer, and an isolation hydrophobic layer, wherein the five microfluidic paper chips are laminated and fixed together. The paper based battery apparatus can provide an electronic device with a working voltage, output voltages having two levels, 3.3V and 5V. By using paper chips for manufacturing the battery, the apparatus can be recycled and has the advantage of microfluidic technology, so that life is prolonged and electrode reaction time is increased.
Description
Technical field [0001] The invention relates to the technical field of microfluidics and the technical field of paper batteries, in particular to a paper-based battery device and method based on microfluidic technology. Background technique [0002] Batteries are the main energy source for power supply of electronic products, especially dry batteries and accumulators. However, once these batteries can no longer be used, due to their non-recyclable characteristics, the mercury and heavy metal substances in the debris will cause pollution. Recycling and disposal of waste batteries It is difficult to perfect. Therefore, in order to fundamentally solve the difficulty of battery recycling, a recyclable and degradable battery is needed. The Chinese invention patent application number CN02274195.X proposed a paper battery, which uses paper or plastic as the substrate, and the substrate is coated with a metal zinc negative electrode layer and a positive electrode composed of electrolyti...
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IPC IPC(8): H01M6/00
CPCH01M6/00
Inventor 杨宁刁子邗毛罕平柳应倩周晓迪
Owner JIANGSU UNIV