Tuesday 20 october 2009 2 20 /10 /Oct /2009 05:14

August 16, three charging station facilities and equipment are ready to charge the 21 columns at any time for a pure electric vehicle to provide "food" service. 10 Ankai pure electric luxury tourist bus, 5 Ankai pure electric CMB, 100 Chery hybrid taxis, 10 Chery pure electric cars have been leased over the weekend arrived in Dalian. These clean, beautiful, comfortable and safe "green cars" will be in the summer provide transportation services at the annual meeting in Davos. Reporter went to Dalian Jiaoyun new energy centers of excellence in automotive applications, Mystery of pure electric vehicles how to "green travel."

No clutch, the driver take him to practice "one foot driving"

The new energy vehicles dedicated car park, four 12-meter long, white limousine bus 47 cars being performance testing, after the body is a row of one-meter tall column of charge. Jiaoyun auto repair shop manager YAN Jun told reporters, from the outside, pure electric power bus of the most prominent feature is the general fuel tank openings into the vehicle power charger port. Pure electric buses in the AC power distribution, the main traction motor 147 kilowatts, the maximum speed of 85 step.

"After an adequate electricity, which the bus can run 180 km open air life mileage." YAN Jun introduced the fuel cars with the same size compared to pure electric power bus is not only zero-emission, but also to ensure a great comfort and safety, noise low. Currently, the bus under the current circumstances, 8 hours slow charge, fast charge 3 to 4 hours can be "Yes." Although the bus driver of a vehicle with the conventional method of the same, but the bus did not pure electric clutch, only the right foot brake and the "throttle" and do not have one foot in the end. In order to change driving habits, Jiaoyun specifically focused on the drivers of the closure of the training. Dalian Jiaoyun assistant general manager Jin Wang introduced a pure electric luxury tourist bus priced at 1.60 million. "This is a new generation of the bus used in the phosphorylation of manganese lithium batteries, a bus in the car, the battery weight of up to 3 tons, a total of four groups a total of 170."

"Retired" He walked Dalian Bus - Port Arthur line

This reporter learned that, during the summer Davos, these electric vehicles will be used for the airport shuttle bus, shuttle bus, as well as a variety of major events during the session transport. After the annual meeting, 10 will put the bus to the train station - Port Arthur demonstration of new energy vehicles operating on the line. Last Friday, 10 electric mini-cars arrive in Dalian. The relevant responsible person said that during the year, these mini-electric cars for the guests to participate in the summer Davos provide Zijia services. Under the plan, after the annual meeting, part of the mini-electric cars will be used for display, and the other part of the scenic spots will be leased for the visitors.

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By angelina deng
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Friday 10 july 2009 5 10 /07 /Jul /2009 10:45
China Shipping (67.87, -0.13, -0.19%) Heavy Industry Group's only listed company, the company main products include auto start with lead-acid batteries, lithium-ion batteries, industrial batteries. In the battery industry, the company has a strong technological advantages, the quality advantage, brand advantage, service advantage, the network edge.
Market share of the lead battery industry high The company is currently the strongest and largest market share to start with the highest lead-acid battery manufacturers have to deal with waste batteries, production of raw materials such as the ability of Secondary Lead. In raw material prices continued to run high, the recovery of raw materials have the ability to effectively reduce the company will no doubt be on the sensitivity of the cost of raw materials to improve the ability to resist risks. Over the years the company has introduced a number of special battery production line and testing equipment, has annual production capacity of 3.5 million KVAh. The main products for the automotive companies to start, as well as dry charge 434674-001,ex942aa, hp pavilion dv9000 battery , hp pavilion dv9100 battery for cars, trucks and vans and other large and medium-sized customers, product range, quality up to international standards, the most high-end cars of the joint venture company's products are mostly complementary. Currently the domestic market accounted for about one-quarter of automotive battery market share is the industry leader well-deserved.
Prospects for lithium-ion battery project The main industry in strong, it is also committed to lithium batteries and solar cells, such as high-end green energy development, future development prospects. At present, the main power batteries are nickel metal hydride batteries and lithium batteries in two forms, hybrid batteries currently use nickel-metal hydride material, but the nickel-metal hydride batteries are close to some of the technical performance of the theoretical limit, so not to be considered as the future direction of development . Relatively speaking, the lithium-ion batteries due to high voltage, small size, light weight, high energy, no memory effect and pollution-free, self-discharge of small, long cycle life, get the car manufacturers and battery manufacturers recognized and regarded as ideal for development in the 21st century energy. Therefore, we more optimistic about the prospects for the development of lithium batteries. Experts have been optimistic to expect that 2016 output lithium-ion battery market is expected to challenge 10 billion U.S. dollars. Li-ion hp pavilion dv9200 battery , hp pavilion dv9500 battery , hp pavilion dv9600 battery project currently has 50,000 Nissan cell capacity, the future with better prospects for development. The company plans to invest 399 million yuan pre-building 400,000 MW of solar projects, and plans to invest 180 million yuan of industrial batteries, construction projects, the market has now become a good energy investment highlights Daxin, the future capital stock is expected by the market continued speculation , good afternoon.
The secondary market, which shown at the bottom of the recent trend in shock, with good volume and price, the unit slightly lower today opened higher after concussion, has been enlarged year-on-year volume,f4486b ,f4486a ,cgr-b1870ae short-term under the Unit is expected to regain uplink, Investors may focus on.
By angelina deng
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Friday 10 july 2009 5 10 /07 /Jul /2009 10:44
Vanadium battery (VRB, VanadiumRedoxFlowBattery) is the world's largest and most technologically advanced, closest to the industrialization of high-performance reversible fuel cell with power, and large capacity, high efficiency, low-cost, long life, a series of unique green advantages, in wind power, photovoltaic power generation, peak shaving power grid, the distribution of power stations, military storage and transport of municipal, communication base stations, UPS power supply, etc. have an extremely broad field of application of good prospects in Japan, Canada, the United States, Australia, Western Europe and other countries and regions have begun to replace the capacity of small, short life of lead-acid battery pollution.
Vanadium 411462-421,hp pavilion dv2000 battery,hp pavilion dv6000 battery technology with the rapid development of vanadium battery is bound to bring to mankind an unprecedented, far-reaching significance of the new energy revolution!
The advantages of vanadium battery Power compared with other chemicals, vanadium battery has obvious advantages, the main advantages are as follows: 1. Power big: the battery by increasing the number of single-chip and electrode area, can increase the vanadium battery power, the current model of the U.S. commercial operation of the vanadium battery power has reached 6 MW.
2. Capacity: through the arbitrary increase in the volume of electrolyte can be any increase in the vanadium battery power, when more than up to giv'at; by increasing the concentration of the electrolyte can be doubled in capacity vanadium hp pavilion dv2500 battery,372772-001,pb994a, hp nc6110 battery , hp nc6120 battery.
3. Efficient: As the vanadium battery of high catalytic activity of the electrode, and positive and negative electrode active material were stored in the positive and negative electrode electrolyte storage tank, to avoid the positive and negative electrode active material of the self-discharge consumption, vanadium battery charge and discharge energy conversion efficiency above 75%, much higher than 45% of lead-acid batteries.
4. Long life: As the vanadium battery positive and negative electrode active material, respectively, only exists in the positive and negative electrolytes, the charge-discharge the battery when no other phase change often can not damage the battery depth of discharge, long battery life . At present, the commercialization of Canada VRBPowerSystems the longest running model vanadium battery module has been running more than nine years, the charge cycle life put more than 18,000 times, much higher than the fixed-type lead-acid batteries of 1000.
5. To respond to fast: the heap is full of vanadium battery electrolyte can be activated in an instant, in the operation of charge-discharge state switch only 0.02 seconds, in response to the speed of 1 ms.
6. Can be instantly recharged: the electrolyte can be achieved through the replacement of vanadium hp nc6140 battery , hp nc6200 battery , hp nc6220 battery , hp nc6230 battery charge moment.
7. Safe: vanadium battery without the potential risk of explosion or fire, even if the positive and negative non-hazardous mixed electrolyte, the electrolyte is only slightly elevated temperature.
8. Cost: In addition to ion-exchange membrane, the vanadium battery components for the low-cost carbon materials, engineering plastics, rich sources of material and easy recovery of precious metals for the electrodes do not need a catalyst, and low cost.
9. Vanadium hp nx6110 battery , hp nx6120 battery , hp nx6125 battery site degrees of freedom, and can be closed fully automatic operation, no pollution, easy maintenance, low operating costs.
Vanadium battery market China and the world market, respectively, vanadium battery is shown in Table 1, Table 2, in which wind power and photovoltaic power generation market demand vanadium battery capacity by the total volume (see Table 3 ~ 6) 25%, the other areas of the vanadium battery market demand by 100 % calculation; vanadium battery output 2 yuan / kW basis, non-electrolyte.
Wind power At present, the need for wind turbines with power equivalent to approximately 1 percent of its power of lead-acid batteries used in emergency situations to protect land Blade fan, and other needs of each aircraft is equipped with the Typhoon power equivalent to approximately 4 percent of its power back-up battery. As the grid has become a bottleneck in the development of wind power, with the explosion of wind power development, wind power and the grid will become more and more conspicuous contradictions, in order to reduce the impact on the power grid to improve the utilization of wind power at the same time earn large peak-valley difference grid, with wind power would require the equivalent power of 10 ~ 50% of the dynamic energy storage ibm thinkpad r40 battery,ibm thinkpad r32 battery. Off-grid power generation for the fan, you need a larger proportion of the dynamic energy storage batteries.
As the fan is now the existence of lead-acid batteries used in the capacity of small, short life, poor stability, the maintenance of time-consuming and laborious, serious pollution, such as defects, fan manufacturers are always looking for a better alternative to lead-acid battery products, I believe has many outstanding advantages The vanadium battery can replace the existing lead-acid batteries, and the dynamics of building a wind power energy storage system, greatly improve the efficiency of wind power and efficiency, and promote wind power industry to develop better and faster.
Photovoltaic power generation According to authoritative statistics, in recent years the global average annual growth rate of PV modules up to 30%, the development of photovoltaic industry become the world's one of the fastest growing new businesses. Especially in 2008, the world's total PV installed capacity of 3 GW. As its name implies, solar photovoltaic power generation needs, once at night and on rainy days, made no electricity, thus the need for batteries for the storage of electricity, as a result of lead-acid 02k6928 , 02k7052 , 02k7053 , 02k7054 power, capacity, life expectancy are very limited, I believe that sets a number of outstanding advantages in the vanadium Photovoltaic cells will serve as the preferred energy storage battery.
By angelina deng
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Friday 10 july 2009 5 10 /07 /Jul /2009 10:41
Nihon Keizai Shimbun said Japan's largest industrial electronics group Hitachi plans to expand its hybrid vehicle lithium-ion battery production capacity is expected to invest 200-300 billion yen, with the aim by 2015 to expand production capacity 70 times. Hitachi will be this fall before the initial expansion of production capacity of more than 600 percent.
Currently, General Motors, Hitachi has already received 100,000 units for the production of hybrid vehicles under the orders of the lithium-ion batteries, General Motors plans to sell the car next year.
Reports that focus on access to domestic and foreign orders for motor vehicle dealers, Hitachi will expand production capacity to meet the needs of 700,000 vehicles each year the demand for hybrid vehicles.
If the electric vehicle automotive oil after use of the mainstream, then the electric vehicle with lithium-ion batteries will certainly be popular, and in-depth aspects of lithium batteries R & D and investment in the future of the enterprise will become the giant auto parts industry, and may even change the world the pattern of auto parts suppliers. In recent years, the production of automotive lithium 367759-001,hstnn-ib09,hp pavilion dv1000 battery,hp pavilion dv4000 battery are not businesses in the global list of hundred auto parts, auto parts enterprises existing hundred only Bosch, the mainland group, Magna, Johnson Controls, Hitachi (automotive business ), such as lithium batteries also attempt to occupy the leading position in the field, and most of the way through joint ventures or acquisitions to achieve the unfamiliar, but the huge market potential for control.
Li-ion battery production plans of enterprises are taking a joint R & D and production methods, which will not only reduce the risk of individual enterprises and cost, there will be some non-vehicle lithium-ion battery business (such as Toshiba, Samsung SDI, LG Chemical ) to enter the field of auto parts matching, and these new market entrants of the parts could have been better hundred enterprises.
Car companies, only Toyota, Honda, Nissan, DaimlerChrysler, BYD, such as direct investment (in the form of joint ventures or own) the production of lithium batteries. Ready to be launched in many hybrid or electric cars, but the core does not have its own battery supplier, the lithium hp pavilion ze2000 battery , hp presario m2000 battery , hp presario v2000 battery in the car in front of the bargaining power of enterprises may be an improvement than it is now.
However, these lithium-ion battery business is also facing significant cost pressures and the threat of trade protection. Such as Japan, South Korea on the implementation of production and marketing of lithium-ion battery authentication system in which the Japanese concern for trade protection. We can see that the lithium batteries is safety on the auto parts industry event, the major automotive markets abroad are careful to protect their own R & D and production capacity.
For lack of independence, the core technology of automotive components in China, the hybrid / electric vehicle battery and electrical system, it is China-related enterprises have become the world's leading providers of an important opportunity. In this regard, the Chinese enterprises and overseas there is no gap between the core technology components are now so large, nor abroad many years earlier than China. Coupled with the cost advantage of China itself, as well as in electric bicycle battery (especially lithium batteries) has accumulated experience in China is entirely possible in the hybrid / electric vehicles using lithium compaq presario v5000 battery,compaq presario v4000 battery,417066-001,hstnn-lb31 to produce high value products and the possibility of occupying the most high-end technology.
By angelina deng
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Wednesday 8 july 2009 3 08 /07 /Jul /2009 05:03

Some rechargeable batteries can be restored through external means, such as applying a full discharge. There are, however, many defects that cannot be corrected. These include high internal resistance, elevated self-discharge, electrical short, dry-out, plate corrosion and general chemical breakdown.

The performance loss of a battery occurs naturally as part of usage and aging; some is hastened by lack of maintenance, harsh field conditions and poor charging practices. This paper examines the cause of non-correctable compaq laptop battery problems and explores ways to minimize these breakdowns.

High Self-discharge
All armada m700 battery are affected by self-discharge. This is not a defect per se, although improper use enhances the condition. Self-discharge is asymptotical; the highest loss occurs right after charge, and then tapers off.

Nickel-based evo n400c battery exhibit a relatively high self-discharge. At ambient temperature, a new nickel-cadmium loses about 10% of its capacity in the first 24 hours after charge. The self-discharge settles to about 10% per month afterwards. Higher temperature increases the self-discharge substantially. As a general guideline, the rate of self-discharge doubles with every 10°C (18°F) increase in temperature. The self-discharge of nickel-metal-hydride is about 30% higher than that of nickel-cadmium.

The self-discharge increases after a nickel-based evo n410c battery has been cycled for a few hundred times. The battery plates begin to swell and press more firmly against the separator. Metallic dendrites, which are the result of crystalline formation (memory), also increase the self-discharge by marring the separator. Discard a nickel-based battery if the self-discharge reaches 30% in 24 hours

The percentage of self-discharge can be measured with a evo n600c battery analyzer but the procedure takes several hours. Elevated internal battery resistance often reflects in higher internal battery resistance, a parameter that can be measured with an impedance meter or the OhmTest program of the Cadex battery analyzers.


Cell matching
Even with modern manufacturing techniques, the cell capacities cannot be accurately predicted, especially with nickel-based cells. As part of manufacturing, each cell is measured and segregated into categories according to their inherent capacity levels. The high capacity 'A' cells are commonly sold for special applications at premium prices; the mid-range 'B' cells are used for commercial and industrial applications; and the low-end 'C' cells are sold at bargain prices. Cycling will not significantly improve the capacity of the low-end cells. When purchasing rechargeable evo n610c battery at a reduced price, the buyer should be prepared to accept lower capacity levels.

The cells in a pack should be matched within +/- 2.5%. Tighter tolerances are required on batteries with high cell count, those delivering high load currents and packs operating at cold temperatures. If only slightly off, the cells in a new pack will adapt to each other after a few charge/discharge cycles. There is a correlation between well-balanced cells and evo n620c battery longevity.

Quality cells are more consistent in capacity and age more evenly than the lower quality counterparts. Manufacturers of high-end power tools choose high quality cells because of durability under heavy load and temperature extremes. The extra cost pays back on longer lasting presario 1800 battery packs.

lithium-based cells are by nature closely matched when they come off the manufacturing line. Tight tolerances are important because all cells in a pack must reach the full-charge and end-of-discharge voltage thresholds at a unified time. A built-in protection circuit safeguards against cells that do not follow a normal voltage pattern.presario 700 battery,presario 900 battery , presario 1700 battery ,armada e500 battery.

By angelina deng
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