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Current status and prospects of the development of primary lithium batteries

Current status and prospects of the development of primary lithium batteries

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  • Time of issue:2019-10-08

Current status and prospects of the development of primary lithium batteries

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2019-10-08 14:12
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According to Mr. Ma of the Battery Industry Association, energy storage is used when electricity is low and electricity is released during peak times. The effective connection between smart grids and lithium batteries is an efficient mode of resource utilization. The following Shenzhen Liyuan disposable lithium battery manufacturers come to understand the situation with everyone.

 

According to data from the General Administration of Quality Supervision, Inspection and Quarantine, lithium battery products now account for 40% of the global market share. In 2009 alone, China exported 3.269 billion rechargeable lithium batteries with a total export value of 1.081 billion US dollars, and exported 759.8 million disposable lithium batteries with a total export value of 508 million US dollars. Not only that, this group of numbers has been increasing at a rate of 20%-30% every year since 2006.

 

my country's hard-won market share should start in 1998. At that time, the Tianjin Power Research Institute had just begun an attempt to industrialize lithium batteries, so that when BYD Wang Chuanfu decided to enter the field of lithium batteries in 2000, he had to go to Japan to buy equipment. But compared with it, the research of lithium batteries in western developed countries can be traced back to the Edison era.

Consumers' recognition of lithium batteries starts with mobile phones. It is because of it that "Big Brother" can be carried from his hands to his pockets. While shrinking in size, he also has a longer standby time. In fact, lithium batteries have more brilliant achievements. For example, it is because of the use of lithium subprimary batteries that cardiac pacemakers have the characteristics of low self-discharge rate and smooth discharge voltage, which makes the pacemaker implanted in the human body for long-term use. become possible.

 

Today, with the development of microelectronics technology, miniaturized equipment is increasing day by day. Lithium batteries are everywhere in mobile phones, laptop computers, power tools, street lamp backup power supplies, navigation lights, household appliances, etc. Lithium batteries have rapidly eliminated battery technologies such as nickel-cadmium and nickel-metal hydride due to their advantages of large reserves, light weight, rechargeability, and no pollution (excluding heavy metal cadmium), leading the market.

 

Lithium battery development bottleneck

 

Like many industries in the past in the extensive economy, the magic weapon for lithium batteries to quickly occupy the market is low cost. For this, the helpless US government even compiled some "lithium batteries need to be packaged as dangerous goods" tricks, trying to increase the cost and threshold of lithium battery exports. For the time being, I don't care how outsiders mess up. In the rapid development of lithium batteries in just over ten years, I also have more or less serious injuries.

 

Mr. Cao of the Battery Industry Association told the "Securities Daily" reporter, "Aside from the materials and production equipment of lithium batteries, the technical level of our national lithium batteries is synchronized with the international level. We have only developed for more than ten years, so this point is It’s worth publicizing. But it also shows that in terms of technical level and production equipment, we are still led by other countries.”

 

据记者了解,如果问题存在于生产设备和工艺流程方面,我国还可以仰仗进口和半人工的方式来解决,即便是高额的进口设备费用,仍可以依靠低廉的人工成本进行摊薄。而在生产锂电池的材料方面,如隔膜、电池外表钢壳冲压材料等还依靠进口的话,不但成本陡然而生、并受制于其他国家,更给一些质量低劣的进口材料打开口子,可能会反过来影响锂电池的品牌形象。

 

此外,由于微电子产品的自主品牌少,锂电池企业多服务于海外客户,因此客户产品的每一次调整,我国的锂电池生产企业就必须更改生产线的相关标准,而且在很多方面海外公司的要求都非常苛刻。

即便如此,综合国际标准、进口材料、技术水平等多方面的因素,锂电池还是给人低端、廉价的印象。潘晶给记者算了一笔账,“笔记本电脑锂电池18650型号中的一根电芯,三星可以卖到3.65美元,而我国企业仅卖到1.8美元,企业生产这样一个电芯的利润个般只能达到7%—10%,相比之下,三星的利润就可想而知了。”

 

在锂电池自身发展的瓶颈方面,马先生举例说,“风电、光伏对锂电池的材料要求很高,如沙漠环境下的耐高温性能,再比如海上风电的耐低温性能。”潘晶也告诉记者,“锂电池的适应环境为零下20度—60度,具体到我国南方北方的温差,都会对产品本身性能起到一些影响。”与此同时,更为广阔的市场对锂电池容积、反复充电能力、快速充电能力都提出了更严格的标准,而刚刚才适应了微电子产品对体积、容积的要求后的锂电池,马上就得顺应市场需求的发展,快速提升一系列的技术指标,这本身就是一大难题。

锂电池发展前景

容积、材料等技术方面的升级,直指市场需求最热的预期——电动汽车。不久前,日本富士经济研究所发布的报告显示,全球车用锂电池市场6年内将扩大200倍以上。这将给锂电池产品,特别是身处汽车消费大国的锂电池企业带来不可限量的发展空间。

Mr. Ma expressed his optimism about the technology upgrade. "With demand, there will naturally be someone to develop. Under the adjustment of China's economic policy, I believe that technology will soon have a breakthrough." Pan Jing also believes that "just like photovoltaic, the national subsidy policy 1 After the introduction, companies from all over the world came to engage in solar energy, and the speed of technology upgrades was quickly improved. Now the price of electric car batteries is really unbearable for ordinary consumers, and it is precisely because of the introduction of national support policies that many companies will respond to this Products work hard."

The reporter was informed that the current endurance of electric vehicles is only 200-300 kilometers, and charging takes 8 hours. The two indicators alone have severely restricted its industrialization process in China. However, human wisdom is endless, and the industry has come up with a power storage trading system based on power exchange, which effectively solves the practical problem of not being able to charge quickly. However, the endurance of 200-300 kilometers still needs to be rapidly improved. If this bottleneck is broken, the day when electric vehicles enter thousands of households is the time when the market of lithium battery industry expands rapidly.

An industry insider who asked not to be named told reporters, "There is still a period of time to upgrade the technology to fully adapt to the standards of electric vehicles, but wind and photovoltaic, these unstable power generation modes, can effectively avoid their own problems through energy storage. Not being bound by the on-grid electricity price, new energy that does not make money for the time being becomes a trade.

资讯列表

How to choose the right primary lithium battery
How to choose the right primary lithium battery
It is a new type of high-energy battery, which has the advantages of large specific energy, high voltage, wide operating temperature range, long storage life, environmental protection and no pollution. However, any type of battery must be suitable for the conditions of use of electrical appliances. Liyuan Battery Editor will make some explanations on the technical issues that need to be considered when selecting a lithium battery for customers to refer to when choosing a battery.
See more information
It is a new type of high-energy battery, which has the advantages of large specific energy, high voltage, wide operating temperature range, long storage life, environmental protection and no pollution. However, any type of battery must be suitable for the conditions of use of electrical appliances. Liyuan Battery Editor will make some explanations on the technical issues that need to be considered when selecting a lithium battery for customers to refer to when choosing a battery.
Bring you knowledge, let's get to know all kinds of button batteries
Bring you knowledge, let's get to know all kinds of button batteries
With the popularity of smart TVs and network set-top boxes, Shenzhen Liyuan and everyone will find that the remote control is also ultra-thin and compact. The battery inside has changed from the previous No. 5 or No. 7 battery to a 3V button battery. Careful observation shows that there are some types of batteries, such as CR2025 and CR2032. The CMOS battery on the desktop board is also one of these two models.
See more information
With the popularity of smart TVs and network set-top boxes, Shenzhen Liyuan and everyone will find that the remote control is also ultra-thin and compact. The battery inside has changed from the previous No. 5 or No. 7 battery to a 3V button battery. Careful observation shows that there are some types of batteries, such as CR2025 and CR2032. The CMOS battery on the desktop board is also one of these two models.
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