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Lead-Acid Battery Or Lithium Battery?

Author: Source: Datetime: 2017-01-04 15:42:57
Lead-acid battery or lithium battery? The battery type of low-speed electric vehicles has become the field of the most controversial issues. According to the relevant sources, in the recent "four-wheeled low-speed electric vehicle standard working group second meeting", the business side strongly requested to allow low-speed battery vehicles using lead-acid batteries, and opposing views of industry experts to persuade "or die The heart of it. "
Lead-Acid Battery Or Lithium Battery?
From the discussion of the situation, low-speed electric vehicles, although a small, low-speed characteristics, but it still has the attributes of passengers, therefore, the draft standards to "safety does not reduce" as the principle, that is compared to the traditional Car, and will not reduce the security requirements, but in accordance with its special attributes, power, size, weight and other aspects of the request. It is understood that the draft will temporarily shut out the lead-acid batteries, but also from this principle, taking into account not only the safety of traffic, but also the safety of social environment.

As early as in mid-April, the national standard committee announced the "four low-speed electric passenger car technical conditions" project GB project, one of its aims to solve the scale of low-speed electric vehicles equipped with lead-acid batteries in recycling, smelting, etc. The process of pollution, resulting in a more environmentally friendly lithium battery transformation. For a time, the battery type of restrictions in the field of low-speed electric vehicles the biggest controversy. In this, there are many industry experts called for lithium-ion batteries to replace lead-acid batteries as low-speed electric vehicle power source, but it also caused the participation of representatives of enterprises in the discussion of an uproar.
Lead-Acid Battery Or Lithium Battery?
At present, the market of low-speed electric vehicles, about 90% of the use of lead-acid batteries, equipped with LFP battery models are few, and once the standard floor, and requires the use of lithium batteries, is bound to many industry companies with To impact, not only is difficult to control the cost of the product, or even the entire vehicle models need to be redesigned, research and development. "Low cost, in line with three or four lines of urban and rural consumption level." In many low-speed electric vehicle manufacturers view, in order to meet market demand, should not ban lead-acid batteries in the field of low-speed electric vehicle status, on the other hand, They also believe that the development of lead-acid batteries has been quite mature, the recovery system has also reached a high level.

Earlier, the Chinese Academy of Engineering Yang Yusheng also 2016 micro-electric vehicle industry Summit Forum & Annual Festival "stressed that the four-wheel low-speed electric vehicle standards should not be limited to battery varieties, all kinds of battery materials there are certain advantages and disadvantages, should allow all varieties Batteries in a fair competitive environment common development, if blindly limited battery varieties will be detrimental to the development of new battery materials, should be selected by the enterprise and by the market when the referee.
18650 Battery
However, some experts believe that the lifepo4 battery pack battery life greater mileage, long life, high battery capacity, recycling process more environmentally friendly, more suitable for low-speed electric vehicles in the long-term development. "And the cost is declining." Although the draft standard is still to be discussed, but there are experts said, "At the same time, there are participants proposed to give a certain market transition."

In addition, the sources also revealed that although the final floor of the technical standards there are still variables, but from the discussion of the situation, some ideas have also been formed, for example, low-speed electric car should be designed for four and below, The maximum speed should be set between 40-70km / h, integrated operating conditions of the driving range should be greater than 60km, 0 to 40km / h starting acceleration should not exceed 10s, must be equipped with three-point seat belts and so on. In addition, reliability, safety and other requirements, but also in accordance with the standards of traditional passenger cars, and speed, mileage and other test conditions, as low-speed, small features were down.

However, there are also like the quality of curb, body size, crash standards and other details of the problem is not in this talk about the outcome of whether the curb quality should include the battery, or limit the quality of bare cars and batteries than cars Width should be within 1500mm, the collision test should be in accordance with the requirements of the standard passenger cars, etc., still need further discussion.
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