At present, lithium-ion battery applications is very broad, in particular, are more commonly used in electric bicycles, due to the chemical properties of lithium metal is very active, making lithium metal processing and the use of very high demands on the environment, and now lithium has become the mainstream.
Since electric vehicles use lithium batteries, to solve the electric bikes light weight, the appearance of product demand, however, shipped some time is not long, the technology did not reach the perfect, there are many problems to be solved, the lithium battery is a class of battery lithium metal or lithium alloy anode material, the use of non-aqueous electrolyte solution, the reaction: Li + MnO2 was = Rhombohedral LiMnO2 the reaction for the oxidation-reduction reaction, used in electric vehicle technology is still further improved.
The lithium-ion battery with the development of digital products widely used because it has many advantages such as high energy density, high voltage, non-polluting, does not contain lithium metal, high cycle life, no memory effect and fast charge and discharge, As technology continues to change, Japan's Sony Corp. to develop carbon materials for the anode, the cathode of lithium batteries in lithium-containing compounds, the positive terminal of the battery when charging the battery, lithium-ion generation lithium-ion generated after electrolyte movement to the cathode, as the carbon anode was layered structure, it has a lot of porous anode of lithium ion embedded in the porous carbon layer, an embedded lithium-ion is more, the higher the charge capacity, production high-performance lithium batteries.
Current on the electric bicycle market, mostly referenced by only single cells in series, parallel from the high-power lithium-ion battery in the application process, the lithium battery problems in discrete between the various single cell greater safety and service life of the entire battery pack, which affects every single cell of this management tool is not only able to manage and protect the battery pack, and in the discharge also make the voltage of each battery to maintain a balanced consistent. To ensure that all batteries in the battery pack with a voltage line balanced charge, until all the battery is fully until the charging.
Therefore, the use of lithium batteries of electric bicycles a significant advantage not only double the energy than lead-acid batteries, high charge and discharge times, and switch to the same weight of lithium batteries can travel 100 ~ 150km, 5 of lead-acid batteries times, giant, there is great potential for development.
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