Ultrathin electrode, diaphragm, ultrathin primary battery, ultrathin rechargeable cell and their production process

A battery, ultra-thin technology, applied in the direction of primary batteries, secondary batteries, active material electrodes, etc., can solve the problems of cumbersome processes, expensive production costs, and difficult to meet, and achieve broad application prospects, reduce production costs, and reduce thickness. Effect

Inactive Publication Date: 2003-08-20
FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of the production process of the currently used batteries, it is difficult to meet the requirements of the microelectronics industry and the aerospace field for the miniaturization and thinning of batteries. Therefore, the research and preparation of ultra-thin batteries with better performance has become the focus of attention.
Chemical deposition and physical sputtering are currently the main means of preparing ultra-thin batteries. Although these two methods can prepare thin batteries, they are cumbersome in process, demanding in experimental conditions, expensive in production costs, and difficult to precisely control the required The size, shape and thickness of the prepared battery greatly limit the feasibility of integrated and high-precision production when it is used as a large-scale integrated circuit power supply

Method used

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  • Ultrathin electrode, diaphragm, ultrathin primary battery, ultrathin rechargeable cell and their production process
  • Ultrathin electrode, diaphragm, ultrathin primary battery, ultrathin rechargeable cell and their production process
  • Ultrathin electrode, diaphragm, ultrathin primary battery, ultrathin rechargeable cell and their production process

Examples

Experimental program
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Effect test

Embodiment 1

[0041] Mix 1 part of nano manganese dioxide powder with 5 parts of ethyl methyl carbonate, 0.05 part of polyvinyl difluoride, 0.005 part of surfactant polymethylsiloxane emulsion, 50 parts of acetone, 0.5 part of buffer ethanolamine and The mixture of 0.05 parts of zinc chloride and ammonium chloride was ultrasonically mixed for 5 minutes to obtain the ink for positive electrode printing of zinc-manganese batteries containing the active material manganese dioxide. The ink was injected into the ink-jet printer cartridge, and the paper was put in as the printing substrate. Using computer control, the designed electrodes can be printed on this substrate.

Embodiment 2

[0043] Mix 1 part of nano manganese dioxide powder with 200 parts of ethylene carbonate, 0.07 part of polymethyl methacrylate, 0.03 part of surfactant fatty acid polyoxyethylene ester, 200 parts of acetone, 10 parts of buffer trimethylamine and 0.05 part of chlorine The mixed solution of zinc oxide and carbon powder is ultrasonically mixed for 5 minutes to obtain the ink for positive electrode printing of zinc-manganese batteries containing the active material manganese dioxide. This ink is injected into the ink-jet printer cartridge, and the paper with vacuum-evaporated gold is placed as the printing substrate. Using computer control, the designed electrodes can be printed on this substrate.

Embodiment 3

[0045] Mix 1 part of nano-nickel hydroxide powder with 5 parts of propylene carbonate, 0.05 part of poly(1,1-difluoroethylene and hexafluoropropylene copolymer), 0.005 part of surfactant dialkyldimethylammonium chloride, 50 parts of acetone , 0.5 parts of buffering agent triethanolamine and 0.05 parts of potassium chloride and ammonium chloride were mixed ultrasonically for 5 minutes to obtain the ink for positive electrode printing of zinc-nickel batteries containing active material nickel hydroxide, and inject the ink into the ink cartridge of the inkjet printer , put the paper as the printing substrate, and use the computer control to print the designed electrodes on this substrate.

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Abstract

The electrode, the diaphragm and the battery of the present invention have ultrathin structure and various outer appearance. The present invention provides the method of preparing ultrathin electrodeand diaphragm for ultrathin primary battery, ultrathin primary battery, ultrathin electrode and diaphragm for ultrathin secondary battery, and ultrathin secondary battery on various substrate via printing with the solution containing active matter as ink, computer control and ink jetting printing technology. The position, shape and size of the printed electrode, diaphragm and battery may be controlled precisely.

Description

technical field [0001] The invention relates to an ultra-thin electrode, a diaphragm, an ultra-thin primary battery and an ultra-thin secondary rechargeable battery and a preparation method of the electrode, the diaphragm and the battery. Background technique [0002] Since its birth, the battery has undergone several generations of changes during its more than 100 years of development. From voltaic batteries to zinc-manganese dry batteries, zinc-silver batteries to the current fuel cells, nickel-hydrogen batteries, and lithium-ion batteries, new series of chemical power sources emerge in endlessly. With the continuous progress of science and technology, especially the rapid development of microelectronics industry and aerospace technology, higher and higher requirements are put forward for battery performance and appearance size. Due to the limitations of the production process of the currently used batteries, it is difficult to meet the miniaturization and thinning requir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/14H01M6/00H01M10/00
CPCY02E60/12
Inventor 江志裕徐帆王涛李文荣
Owner FUDAN UNIV
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