Which battery is commonly used in photovoltaic power generation
Lead-acid, maintenance, battery
* Big characteristics is "maintenance", and lead-acid batteries than its electrolyte consumption is very small, basically no need to supplement distilled water in service life. It also has the characteristics of high temperature resistance, high temperature, small size and small discharge. Relative, its price is also more expensive than lead-acid batteries. As for the service life, the recommended replacement cycle of the battery is maintained in normal conditions is about 3 years, which is comparable to the lead-acid battery.
Ordinary lead-acid battery
The battery is invented by French Prante in 1859, has had a history of more than 100 years. The battery is mainly composed of a tubular positive electrode plate, a negative electrode plate, an electrolyte, a partition, a battery tank, a battery cover, a pole column, a liquid cover, and the like. The main advantage is that the voltage is stable, the price is cheap; the disadvantage is that the energy is low (i.e., electrical energy stored per kilogram battery), the service life is short of usual maintenance. Old-style ordinary battery is in a general life of about 2 years, and the height of the electrolyte is required regularly and add distilled water. However, with the development of technology, the life of lead-acid batteries has become longer and the maintenance is also simpler.
Wuxi Huizhong Weiye Electric Co., Ltd: Tel: 0510-81813146 Website: www.batt168.com Email: Batt123@qq.com
On the afternoon of August 18, the state-of-state central environmental inspector rectification work mobilized to deploy the TV conference in Jishou. Deputy Secretary of the State Committee, governor Long Xiaohua attended the meeting and speaking, the State Committee Standing Committee, the Standing Deputy State Governor won the meeting, the vice chairman of the State Committee, Jia Gaoyei attended the meeting. State-related departments, 8 counties and municipalities, and the main person in charge of the Shan Dynasty District Management Committee attended the meeting and received the list of tasks in the rectification work. From April 24th to May 26th, the Sixth Environmental Protection Inspector of the Central Committee entered Hunan and went to the city to carry out environmental inspections. Our state attaches great importance to it, in accordance with the requirements of central environmental inspections, active cooperation, carefully arranged, solid rectification, successfully completed the work during the period of the Sixth Supervision Team.
The colloid lead-acid battery is an improvement in the ordinary lead-acid battery of the liquid electrolyte, and the electrolytic solution is exchanged with a colloidal electrolyte, which is improved in terms of safety, storage capacity, discharge performance, and service life. There is no free-free liquid in the inner, in the same volume, the electrolyte capacity is large, the heat capacity is large, and the heat dissipation ability is strong. It can avoid the general battery to generate thermal out-of control; the electrolyte concentration is low, the corrosion of the plate is weak; concentration is uniform, there is no electrolysis Liquide layers.
Nanjing Xiahua battery capacity hourly rate: 1HR, 2HR, 3HR, 5HR, 8HR, 10HR, 20HR, 100HR
Alkaline nickel-cadmium battery
Nickel-Cadmiumbattery positive electrode active substance is mainly made of nickel, and the negative electrode active material is mainly a basic battery made of cadmium. The positive electrodes are nickel hydroxide, the negative electrode is cadmium, and the electrolyte is a potassium hydroxide solution. Its advantages are light, seismic, long-lived, often used in small electronic equipment. Nickel-cadmium batteries can be quickly charged, and the cycle life is longer, more than twice the lead-acid battery, but can reach more than 200,000, but the price is 4 to 5 times the lead-acid battery. Its initial purchase cost is high, but due to its advantages in the capacity and life of life, its long-term actual use cost is not high. But use in the use of recycling, otherwise heavy metal cadmium will pollute the environment.
When choosing a battery, understand the differences between various batteries on the process and the use, first, we must fully understand the user itself to the product needs. For example, the reserve power system capacity requirements, frequencies used, the environment, main use, service life, reliability requirements, instant discharge ratios, specifications of the rectifier, and other battery-related performance requirements. Second, it is necessary to understand the electrical energy of the battery, including product design parameters (model of battery model, appearance size, rated capacity, rated voltage, weight, weight ratio energy, volume ratio energy, design life, positive and negative plate number, positive and negative plate Thickness ratio, electrolytic solution density, polar plate type, sheet material, etc.), product electrical performance parameters, product life, installation environment, performance and price of different models, different types of product warranty, etc.
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