Electroless,nickel,nickel-base business, insurance Electroless nickel in nickel-based battery applications
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In addition, nickel-based rechargeable batteries as electricvehicle power also has some competitive. Therefore, study on this type ofbattery electrode materials is of great significance.Three-dimensional network-like structure of fibers nickel and hollowfibers nickel substrate having conductive properties, the base mass is smalland resilient and other advantages, is the key material of sealed secondarynickel-based batteries positive electrode. The substrate electrodes made bythem having a high specific volume, high charge and discharge efficiency, andthe electrode stability. Since the 1980s, the United States, France,Germany, Japan and other countries havestarted the research work of fibrous nickel electrodes, Chinese scientists haveproposed using the hydrothermal method to prepare nickel fiber. But the researchand application of hollow fiber nickel substrate, electrode spoon prepared was madein this century. Porous nickel substrate, such as foamed nickel substrate,light containing fiber nickel substrate research, is one of the key issues toimprove the performance of nickel-metal hydride battery. Electrode is made of substrate filling active material.Currently the conventional use nickel fiber felt electrode and the foam nickel electrodedue to big internal resistance, resulting in the discharge voltage reduced whenhigh discharging. While the pure nickel powder sintered electrode material, because of low porosity, the active materialload is low. In contrast, the hollow fiber elastic nickel electrode with highresilience, provide favorable conditions for the active substance during thedischarge volume shrinkage stress relief and the active substance with highload capacity. Therefore, China conducted with hollow fibers prepared sinteringnickel-base and nickel-base hollow fiber preparation process is made the nickelpowder and the hollow nickel fibers and pore forming materials into slurry,removing the gas, then in the perforated plate Ni thin scraping pulp, dried,and then sintered 20-30min at 1300K cracking ammonia gas atmosphere to obtain porousnickel substrate.At 100% hollow nickel fiber substrate, hollow nickel fiber interspersedwith each other to form a network structure, nickel particles connected to thenetwork structure of the gap, this structure can improve the porosity of thesubstrate and conductive connection. Many experiments show that, the electrode preparedby hollow nickel fiber has good electrochemical performance, we can see thatthe hollow nickel fiber in nickel-based chemistry battery applications has goodprospects, the basic research of preparing hollow nickel fiber new method hasimportant theoretical and practical significance.With the electronics industry rapid development, waste batteries hadbecome an important source of pollution. These batteries contain a number ofexpensive or toxic substance, they must be recycled in order to mitigate the potentialharm to the environment. Waste batteries pollute the environment, but full oftreasure, recycling waste batteries can reduce the environmental pollution andcan create value once again. For example, the nickel-metal hydride batteriescontain nickel hydroxide, rare earth hydrogen storage alloys, nickel-cadmiumbatteries contain toxic nickel hydroxide and cadmium hydroxide, they both haveeconomic recovery and social benefits to be recycled. According to metal powder supplier, waste nickel-based batteries is a "misplaced resources",which contains a large number of nickel, cobalt, iron, stainless steel andother useful components, and certain metal components in nature are the scarceresources, if it thrown away, it will cause tremendous waste of resources.Source:http://www.mhcmp.com Article Tags: Hollow Nickel Fiber, Battery Applications, Nickel Substrate, Nickel Fiber, Hollow Fiber, Hollow Nickel, Waste Batteries, Batteries Contain
Electroless,nickel,nickel-base