Keyed Battery

Keyed Battery

Battery performance design TOSHIBA Satellite E105

Performance design mainly refers to the design of the electrical properties of the battery . Is designed to address key issues ,在had already been accumulated experimental data and production based on the experience gained , the Xing Neng Lai for battery design . Include operating voltage, dell laptop battery operating current , capacity, life and other aspects of the design .

① voltage design . According to the voltage requirements of electric appliances , determine the battery ( group ), and the open circuit voltage of individual cells to discharge under the specified operating voltage and operating voltage accuracy .

② operating current design . Electric appliances according to current requirements Dell PC764 Battery, Dell TD175 Battery, Dell Latitude D820 Battery, , determine the battery (s) of the peak current and discharge under the specified operating current . Such as car start-up current , the current work phone calls , etc. for the peak current , while the mobile phone standby current requirements for the operating current .

③ capacity design . Electrical appliances according to the required discharge capacity value of the minimum system to determine the battery ( group) rated capacity, design capacity , etc. , from the design capacity to determine the amount of active material .

④ life design . According to the life of electrical equipment requirements , determine the battery (s) of the storage life , cycle life , battery life design is to choose the basis of the relevant materials and their purity .

Different aspects of the design of the battery performance of the overall performance of the design constitute a battery , Dell Latitude D820 Battery, so as to achieve the purpose to meet the power requirements . Such as voltage and current accuracy and working to meet the electrical power requirements are carried out. Interdependence between the various properties and interaction . For example, the design of high current value of the work will affect the operating voltage and precision , and the actual discharge capacity value . Low operating current value of the design may be a higher voltage , the voltage accuracy and actual capacity, but may cause the battery output power decreases . So the design should be considered synthetically , can be neglected any aspect . Only in respect battery itself, designed to achieve performance requirements , should focus on four elements constitute 〖 battery electrodes, electro-hydraulic , diaphragm , shell ) point of view to optimize the design . In general, the main components of the battery design requirements are as follows .

(1 ) active substance use " optimization "or" orthogonal design " alternative electrode preparation process electrode formulations , the ratio of active material and additive , select the active substance particle size ,Dell PC764 Battery, Dell TD175 Battery, Dell Latitude D820 Battery, oxidation degree and rate of forming the electrode hole .

It is noteworthy that the active substance particle size selection . It will not only affect the electrode surface state and structure , but also can affect the utilization of active material . Usually smaller size , larger electrode surface area , and higher utilization . But the size is too small , particles because the surface had to be readily Gao reunion , and the electrode pore size varies with changes in fine particle size became smaller , the proliferation of electrolyte in the porous electrode difficulties , liquid resistance increased , whereas Likely to cause too large diameter particles that may cause poor contact between the solid phase resistance increases, and the shedding of active material .ASUS U6E battery

For some of the negative second electrode , need to add appropriate " expanders "and" additive " to prevent the electrode material of the " condensation . "

In addition, the electrode active materials have high purity in order to prevent self-discharge and hydrogen caused the phenomenon .Dell TD175 Battery, But too much emphasis on purity , is bound to increase the battery costs, according to the battery to consider the use of concrete objects .

(2 ) Set the role of collector fluid is conduction current, and support active substances . So collectors must have adequate mechanical strength and electrical conductivity . One set of fluid in the production and use continue to fracture and deformation process , the other collector grid should be made uniform to ensure the electrode current, potential uniform .

In addition, the cathode collector , collectors should also take into account the positive active material on the antioxidant capacity . Also set to be in the electro-hydraulic fluids or to stabilize the electrode polarization .

(3 ) diaphragm membrane must have sufficient mechanical strength to ensure that the battery in the assembly and use are not being damaged. Membrane must also have electrical insulation and ions through the ability to ensure the poles of isolation and ion conductivity .

In addition, the membrane must have a high porosity and small pore size to prevent the migration of active material particles , membrane material should have high resistance to oxidation, reducing power to prevent the positive or negative , Dell PC764 Battery, Dell TD175 Battery, Dell Latitude D820 Battery, on a strong oxidant or reductant , or the battery when the strong oxidizing agent or reducing agent produced by the oxidation or reduction

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