Archive for the ‘40Y6797’ tag
Waste batteries say “no” to mercury batteries
Waste batteries may be small, but have major damage. However, due to pollution, waste batteries as waste, air and water pollution, as would any sensory think she has a great hidden, so they do not received due attention. At present, China has become the production and consumption of Laptop battery power, pollution of batteries is an urgent need to solve a major environmental problem. Today we are releasing three consecutive editions of relevant reports and the relevant government departments want people to attach importance to environmental pollution caused by batteries, the joint action for the recycling of waste batteries to face advice and suggestions to encourage the production and consumption, “Green Battery” to develop relevant policies.
Batteries are our daily lives, using one of the most commonly used, from cameras, tape recorders, calculators, clocks and electronic pagers, electronic dictionaries and handheld computers, are inseparable from the battery. China is a production of dry batteries and consumer country, year, production reached 15 billion of first place in the world, consumption of 70 million, an average of all Chinese people eat five batteries per year.
For years, China’s production of dry batteries, it is necessary to reach a toxic — mercury or mercury compounds. Alkaline batteries from China in the mercury content of 1 to 5%, 0.025% neutral dry-cell batteries, dry 40Y6797 batteries annually for the production of tens of tons of mercury amounted to much.
Mercury is our so-called “Mercury”. Mercury and its compounds are toxic, the scientists found that mercury neurotoxicity was evident in most of the endocrine system, immune system, also have side effects. The 20th century took place 50 years in Japan shocked the world of public nuisance disease — Minamata disease is caused by mercury pollution.
Over 40 years in Japan, a coastal city in southern Kyushu — city of Minamata, the local population, it is a strange disease. Patients began to slurred speech, unsteady gait, limb paralysis, cramping body of last resort, mental disorders, died of torture in pain. Later, with people infected with diseases more and more, even the cats and birds have experienced the same symptoms. Later, medical workers and marine fish of the deceased in the body of toxic methylmercury have shown that people who consume contaminated fish poisoning. After investigation, the local industries in Japan original nitrogenous fertilizer to perennial mercury from Minamata bay containing wastewater discharged into sea by mercury pollution, seafood from local fishing contain high levels of methyl mercury.
Minamata Bay in order to restore the ecological environment, the Japanese government has spent 14 years invested 485 billion yen, the Minamata Bay mercury sediment dig deep 4 m, all clear. Meanwhile, in Minamata Bay, the entrance to the VGP-BPS2B establishment of a quarantine network will be contaminated in the bay of deep-sea fish were all caught up in landfills. Who attended the outbreak of Minamata disease Minamata, Japan, Mayor Masazumi Yoshii said with emotion: “After almost half a century of unceasing effort, we finally from the shadow of Minamata disease in out, and she built a new city of Minamata. I hope that the world has learned the lessons of Minamata disease in Japan, ignorance of the mode of production, the implementation of the civilized mode of production. ”
It is understood that in developed countries, have been eliminated mercury batteries, mercury batteries free at or low in mercury. In Sino-Japan Friendship Center for Environmental Protection of Japan as consultant experts Liu Xiu-Ming, the current generation of Japan and the use of mercury batteries are not due to mercury-free, the waste batteries to significantly reduce damage to the environment, and the costs of landfilling are also smaller s.
China from January 1, starting this year, has also introduced low-mercury batteries and mercury-free, in the new century, when the Dell Latitude D505 battery finally went into the lives of Chinese people green. However, the reporter learned that the majority of our consumers better understand the pollution of waste batteries are not too many people buy batteries often arbitrary and do not give priority to environmental compliance. As the manufacturer of the battery, battery production environment, need to improve the process equipment and raw materials, formulations, presumably to increase capital investment and production costs, companies are not very willing. At present, some business-to-cell “Restricted Mercury suggests that indifference, do not touch anything.
How to advocate for the protection of the environment, the concept of green consumption? How to promote greener production of green products? An interview with the Center for Environmental Science, Peking University Professor Ye Wenhu. He said the decision to choose what type of consumer goods, consumption patterns of people, while the consumption patterns of the public are an indication of the degree of social civilization. Must be directed by the publicity and education, to defend the people to choose a new concept of sustainable development, consumption patterns, buying green products in favor of environmental protection, consumer choice will push producers to improve the product. In addition, manufacturers should actively promote green products. What type of company products to stimulate consumption, which means the quality of entrepreneurs and corporate image? However, there are these two points is not enough, because the psychology of the consumer public, the general pursuit of a cheap BATBL50L6, green is not very important activity of the company, the Money is the first 1, the green is not the primary consideration. Therefore, we must submit to the Government, using economic means, legal and administrative steps to facilitate firms’ production and consumption patterns in public compliance with environmental requirements. The government’s behavior, market behavior (or behavior of enterprises) and public behavior of these three types of social behavior of man, the government acts in a dominant position.
Hazards of waste batteries and our response
The production of more garbage is so overloaded with the planet we live on an endless stream of pollution incidents, “junk Besieged City” has long sounded the alarm for us. How harmless, the reduction in resources was a priority. “Develop resources wrong” re in recent years, understanding of the garbage people. The implementation of waste separation and recycling of waste will be able to achieve the best possible use of turning waste into treasures.
On the size and weight, the batteries used in household waste are negligible, but its harmful effects is very large, batteries containing mercury, cadmium, lead and heavy metals. Highly toxic mercury, lead can cause neurological disorders, nephritis, etc. cadmium major cause of kidney and bone diseases - osteoporosis, osteomalacia and fractures. If the batteries mixed with household waste in the landfill, over time, leaching of heavy metals can contaminate groundwater and soil.
Using a hp PB991A battery in our lives is increasing rapidly, has intruded into our lives and work in all corners. WALKMAN, BP machines, mobile phones, cameras, calculators. Currently, the battery consumption of around 7 billion euros. It is predicted that the battery consumption in 2000 only BP machine reaches 1.55 billion. If you do not receive adequate treatment for these batteries will be directly or indirectly endanger the health of people. Implement and promote the activities of the separate collection of batteries used by people becoming more recognized and get more attention and more support and participation of dates with dispersed pollution, less centralized management.
Treatment and recycling of waste batteries
Many countries in Western Europe, not only in stores, but also directly on the street are equipped with a battery of special recycling boxes will be collected until the toshiba PA3285U-1BRS battery is charging up to screen out persons with specialized terminology watches, calculators and other small electronic devices of button cells, they generally do not contain mercury, mercury can be extracted to be used, then manually sort the cell nickel-cadmium batteries in France, a sample plant and nickel cadmium, nickel, and then used in the steel is reused in the manufacture of cadmium batteries.
Other types of batteries are generally transported to a particular toxic landfill of hazardous waste, this approach not only costs too (eg in Germany the cost of burying a ton of batteries up to 1700 points), but also wasteful because it is a lot of useful documents can be used for raw materials.
Switzerland has two specialized treatment and the use of companies of the former battery factory Batelieke adopt the method involves grinding the old battery, then sent to heat the oven, then we can extract mercury unstable zinc, when the evaporation temperature is higher, it is also precious metals. After the merger of iron and manganese in steel alloyed with manganese required. The plant can process 2,000 tons per year of waste batteries, 780 tons of ferro-manganese alloys available, 400 tons of zinc alloy and 3 tons of mercury. The other plant is extracted directly from the apple A1008 battery of iron and manganese oxide, zinc oxide, copper oxide and mixed oxide of nickel and other metals to sell as scrap metal directly.
However, the most expensive heat treatment, Switzerland also provides buyers with each of the battery charge a little bit of battery charges specific treatment, Magdeburg peri-urban areas of the country is building a processing “wet “devices, where the addition of lead acid batteries, the different types of cells were dissolved in sulfuric acid, then using the ion resin extracted from the solution of various metal objects, using materials obtained in this way pure as the method of heat treatment, thus a higher price on the market, but also a variety of substances contained in batteries 95% can be extracted. Wet processing is possible to avoid areas of sorting (because the sorting is a manual operation, will increase the cost). Magdeburg annual processing capacity of this device up to 7500 tonnes, which means that if the cost is slightly higher than the landfill, but valuable raw materials are not scrapped, it will not pollute the environment.
German Duarte vacuum heat treatment developed in France but also less expensive, but it must first sort the waste batteries, nickel-cadmium batteries, used batteries by heating in vacuum, where rapid evaporation Mercury can be recovered, then the rest of the ingredients field, using magnets to extract the metal iron powder and then extract the nickel and manganese remaining. This process of one tonne of waste batteries is less than 1,500 marks.
From what I have from a small start of each side is our motto. Care of the environment around them to participate in the classification of waste battery recycling is everyone’s responsibility and obligation. The behavior of individuals may be insignificant, but the strength of each of us raise enough to keep a civilization, a civilization with nature, sustainable development of civilization.
Direct methanol fuel cell system development trend of small-scale
Portable Electronics market in recent years due to the rapid development of the A1045 battery to create a huge market opportunity, which will be created there are certain restrictions on the types of rechargeable batteries, which makes micro fuel cells have high hopes . This article introduces the micro fuel cell trends, marketing and technology bottlenecks and market considerations.
In recent years, rapid development of portable electronic products, including mobile phones, laptops, personal digital assistants (PDAs), as well as cameras and digital cameras and so on, creating a huge market and business opportunities, but as product enhancements, the system power demand for higher education, a small, lightweight, has continued for longer Laptop battery, this will all consumers the same requirements.
Micro Fuel Cell System Development Trend
Theoretical energy density lithium batteries to fuel-ion BATCL50L batteries for five to ten times or more (varies due to different systems), is technically a maximum of three to five times; In addition, the fuel cell without charge to completely free of the burden of costs and limitations, replaced the fuel supply, just a few seconds of time, providing users a great advantage. Therefore, in terms of micro-fuel cells, the huge advantage of market incentives and capabilities will significantly accelerate the maturity of the development of related technologies.
A wide range of fuel cells, the most suitable for micro and small laptops, including fuel cells proton exchange membrane (Proton Exchange Membrane Fuel Cell, PEMFC) and the fuel cell direct methanol (Direct Methanol Fuel Cell, DMFC), the two collided at room temperature operation with small, lightweight, portable IBM ThinkPad R50 battery design practice and so on. Among them, the fuel cell direct methanol with methanol as liquid fuel, the energy density of the volume of liquid hydrogen is about three to four times the hydrogen storage and delivery of convenience and security, and are easily available, low cost, portable electronic products is more in line with needs. In addition, the use of micro-(micro reformer Reformer) to produce methanol fuel to hydrogen fuel cells are micro likely direction of the development below will focus on fuel cell with methanol Direct (DMFC) for discussions.
Bottleneck in the development of DMFC technology
DMFC runs on the fuel cell proton exchange membrane that is similar in the anode of the fuel entering the methanol and water and methanol fuel produced through the catalytic role of protons and electrons with carbon dioxide The reaction at the cathode is identical with the system of hydrogen. Micro fuel cells to enter the commercialization stage, it still faces a number of technical bottlenecks to overcome, now the main problem is the following.
1, the penetration of methanol
Because the phenomenon of penetration of methanol, which makes the Dell Inspiron 1525 battery via the voltage (voltage) potential can be increased more in the below 0.4V, the battery performance and restricted, but also result in loss of fuel . Methanol through the current issue of the direction of resolving the North Korea 2: Development of materials for proton exchange membrane, so that a high proton conductivity and low penetration of methanol, the control of the concentration of fuel methanol to reduce the penetration of methanol.
2, the overflow of water (water injection)
Produce a unit of DMFC anode will leave the proton of about 2.5 units of water or methanol reaches the cathode, while the reaction at the cathode will produce water, too much water will prevent the oxygen in the cathode catalyst layer caused a significant 40Y6797 decrease in performance, this is called the water overflow phenomenon. This question is currently the initiative and increase the circulation of the airflow away from the excesses of water-based, but the flight system and therefore greater power, so MTI developed body electrode membrane (MEA) design method of control.
Third, performance
DMFC anode current efficiency is low, particularly if the NEC and other companies start with the development of a catalyst or catalyst support, try to provide greater power density, the application of nanotechnology will improve performance of the sony VGP-BPS5 battery catalyst is a remarkable development division. In addition, the system operating temperature affect the DMFC performance is another important factor, but for 3C electronic products, applications, the need for appropriate control of temperature, so thermal cycle system or thermal management is also underway to treat.
4, fuel and water treatment
As the concentration of methanol to good management and control can reduce the penetration of methanol, with the portable electronics do not allow the cathode caused a leak of water generated by the case, so that the toshiba PA3465U-1BRS battery current system must go through a lot of control logic to achieve all of methanol and water and their concentration control for balance.
Active against a passive response to the product to be portable applications, current DMFC system development can be divided into passive and active type, the following description of the difference.
Firstly, direct activation of cells with methanol fuel
Schematic representation of active DMFC systems, such as joints. Anode operating at the appropriate concentration of methanol (about 3 ~ 6% vol), under the fuel tank and another for the storage solution of high concentration methanol, the anodic cycle consists of three channels: high concentrations of methanol, water recycling cathode, and repeat the fuel cycle, under normal operation, anode Pf fuel pump driven by the loop and eliminate the carbon dioxide generated by the fuel concentration is too low or too came a stock, respectively, through the pump Pm PW and the high concentration of methanol and water recycling by adding the anode from the cathode to maintain the hp 371785-001 battery system. On the other hand, oxygen cathode may be forced to leave the fan or air circulation compressor.
The benefits of active DMFC is that the high concentration of methanol can improve the system by the energy density and cell design for higher output power; drawback is that using a number of energy consuming components, reducing the net system power output, although more complex and space -.
2, passive-type fuel cell direct methanol
Based primarily on gravity loop passive DMFC, the capillary or the natural spread of the way the fuel and air sent to the reaction surface of the electrode at ambient temperature in operating conditions. These systems for the body of the membrane electrode (MEA) materials and design of micro-structure, the pro-hydrophobic properties of materials as well as differences in the concentration of fuel and water to control the apple PowerBook G4 15 inch battery speed of distribution and minimize the effects of penetration of methanol to increase the energy density. However, gaps in the passive DMFC are unable to provide greater power density, while technological threshold is very high.
The extension of the future trend
In addition to these key technologies to decompose, micro and small fuel cells to enter the market still faces costs, regulations and habits of users. DMFC present costs are still high and needs for the development of catalysts and related materials to achieve a breakthrough. The overall size of the system or the size of external components and cost of auxiliary must rely more on creativity and discovery, DMFC can truly universal.
In addition, the toxicity of methanol fuel, and the application of product characteristics before entering the market testing standards required to achieve accreditation and the relevant laws and standards. Currently, agencies of the United States, Japan and European laws and many regulations have been actively involved in the Dell FK890 battery development and integration work is planned for the future development of DMFC become increasingly sophisticated.
Analysis of the environmental benefits of hydrogen fuel battery vehicle
Oil, coal, natural gas products of combustion are mainly carbon dioxide, causing the earth year temperature rise per year. Meanwhile, fossil fuels also contain impurities, including sulfur, nitrogen, phosphorus, arsenic, combustion products, etc. acid, resulting from air pollution and acid rain, but also leads to intensification of the greenhouse effect and stimulate the skin and cause asthma and other respiratory diseases. China’s coal dominated by the structure of energy (about 75% or so), and with the rapid development of economic construction, energy Laptop battery consumption increases.
In response to these circumstances, we find a great reserve, monitoring is high, high thermal efficiency, storage, and more environmentally friendly forms of clean energy, hydrogen energy is such a high quality. The depletion of fossil fuels in the circumstances, should not have dominated China’s energy, coupled with inadequate resources per capita, which 40Y6797 inevitably requires China to follow in other countries, greater attention to development energy use in a car of this high mobility of modern transportation tools can take the energy “energy body” to hydrogen will undoubtedly become a new hotspot.
First, the principle vehicle hydrogen fuel battery
Motor fuel battery hydrogen operation principle is as follows: hydrogen delivered to the plate fuel battery anode (cathode) through the catalyst (platinum) and the role of hydrogen atoms in an electron was isolated, loss of hydrogen ions e (protons) through the fuel battery Proton exchange membrane to reach the plate cathode (positive), while the electrons can not be proton exchange membrane, the electronic version, by an external circuit to reach the plate from the fuel Dell KD476 batterycathode, and thus the external circuit to generate electricity. E-board to reach the cathode, hydrogen ions and oxygen atoms and reintegration into the water. As the oxygen supplied to the cathode plate can be obtained from the air for as long as the constant supply of hydrogen to the anode plate, a plate cathode air supply and quickly put water (steam) from there you can continue to supply electricity. Issued by electricity fuel batteries, through the inverter, controller and other devices, to supply the engine, then by transmitting bridges Drive Driven rotation of the wheels, to allow vehicles on the road . Compared to conventional vehicles, vehicle efficiency fuel battery power conversion as high as 60-80%, the internal combustion engine 2 ~ 3 times. The fuel is hydrogen and oxygen fuel battery, the resulting water, the work itself does not produce carbon monoxide and carbon dioxide, no sulfur and particulates.
Therefore, hp PB995A battery vehicles to hydrogen fuel are truly zero emission, zero pollution cars, hydrogen fuel is the energy of the perfect vehicle!
2, battery vehicle hydrogen fuel-benefit analysis of environmental
Vehicle fuel battery hydrogen Benefit Analysis
(1) For the long term, the automotive industry will certainly be the path of sustainable development, oil, natural gas, coal and other nonrenewable resources, will eventually be exhausted one day, mankind is doomed to use energy renewable or alternative energy sources. The largest source of hydrogen is water, especially seawater, as calculated from 9 tons of water can produce 1 ton of hydrogen (and 8 tons of oxygen), the heat value combustion of hydrogen 28,900 kcal / kg, and combustion products of hydrogen and oxygen is water, sony VGP-BPS2A battery therefore water can be regenerated. Thus, hydrogen and water as raw materials will enable the extraction and use of hydrogen to achieve a virtuous circle, inexhaustible. Alternative hydrogen as a motor road has good acceleration, fuel adaptability, and from good to low temperature, ultra-low emissions and high efficiency all the benefits of working conditions.
(2) China is an extremely rich source of hydrogen, the technical level has also been a foundation, the production of hydrogen from water electrolysis, hydrogen production of hydrogen from the gasification method biomass shape. A low-cost toshiba PA3285U-1BRS battery electricity from the water electrolysis method for producing hydrogen for hydrogen energy in the future continue to be the large-scale preparation of the main method. In addition, the use of hydrogen rather than coal and oil, without the technology and existing equipment to a major transformation, now slightly modified internal combustion engine can be used, which can reduce the cost of applications of hydrogen energy.
(3) The product of burning hydrogen is water and not pollute the environment, a true zero-pollution goals.
2 cars and fuel battery vehicles to hydrogen fuel environmental indicators are relatively
2.1 Vehicle Fuel Environmental Indicators
Vehicles using conventional fuels in the process of operation will produce large quantities of harmful gases, not only pollute the environment but also affect human health. Pollutants include:
(1), hydrocarbons (HC): Hydrocarbon vehicle exhaust benzene, toluene and xylene, and other harmful substances. Among them, the greatest risk of benzene is carcinogenic.
(2), nitrogen oxides (NOx): It is a corrosive solid, the stimulation of human respiratory system can cause bronchitis, pneumonia, and weaken the function of oxygen in the blood.
(3) Carbon monoxide (CO): It is a colorless, odorless toxic in the human body through the respiratory tract can cause inside the body of oxygen, the evil of central nervous system, ranging from dizziness , headache, limb weakness, visual damage, while in the poisoning.
(4) Sulfur dioxide (SO2): It is a colorless, odorless gas that can damage the human liver, kidney and heart, respiratory system have a strong stimulating effect. In addition, acid rain-causing sulfur dioxide is a major cause considerable damage to the national economy.
(5), ozone (O3): Ozone in the organs of human body and the lungs are damaged effect on the heart, liver and other organs also have side effects. In addition, vehicle exhaust also contains fuel CO2 greenhouse gases, acid rain-causing nitrogen oxides and sulfur, etc.
2.2 Indicators of environmental fuel apple A1060 battery hydrogen vehicles
Vehicles with hydrogen fuel battery with hydrogen as fuel, the battery as a driving force in the non-emission of pollutants. Is essentially zero emissions, the environmental effects of fuel vehicles are more than advantages.
Third, battery vehicle hydrogen fuel in the real application
Vehicle representative: Universal Vehicle Sequel fuel battery running on hydrogen technology and the internal combustion engine is similar to the technology of hydrogen power is also based on hydrogen as an energy source. The difference is that the hydrogen internal combustion technology is the engine of hydrogen directly as fuel for combustion in the engine for power, embezzlement and hydrogen fuel TravelMate 290 battery stack hydrogen into electricity by chemical reaction They rely on electric motors to drive the car. In this area, GM is well-deserved leader, whose representative is the result of common battery vehicles to hydrogen fuel.
As early as 2005 Shanghai Auto Show to debut, but the GM Sequel fuel hydrogen battery cars, which has long been considered the domain of vehicle fuel IBM ThinkPad R52 battery a classic. Because vehicles in previous fuel battery vehicles compared to GM’s Sequel fuel battery hydrogen could be advanced in terms of driving the progress of his power and driving performance are comparable to products currently used vehicles supplied to the comparable gasoline.
GM Sequel fuel battery vehicles to hydrogen fuel by using sub-control technology over not only to improve vehicle safety, simplify maintenance procedures, expanding design freedom, but also more environmentally friendly. Almost all of his drive and control components are installed at 28 cm-thick chassis structure, almost all aspects of the performance even better than the existing conventional cars - faster, more stable and easier to control, easy to production, most beautiful and safest, the most important is that only the emission of steam, there is no pollution.