What's behind watmar's battery technology?

In January 2017, according to the statistics of China chemical and physical power industry association, 44 power lithium-ion battery enterprises produced 466 kinds of power lithium-ion batteries in 2016. 6.8 gigawatt hours, 433 sales. 5.4 gigawatt hours (including exports), with sales revenue of 786. 3.1 billion yuan. Among them, the sale of lithium iron phosphate battery 277. 97 gigawatt hours, or 64. 1%.

In terms of sales of power lithium-ion batteries, the top 20 enterprises have achieved a total sales revenue of 694. 3.4 billion yuan, a total of all kinds of sales of lithium ion battery 375. Watmar, a wholly owned subsidiary of kenpower, ranks third in sales revenue and volume at 2.6 gigawatt hours.

In the top three, what's behind watmar's battery technology? Now let's find out.

Breakthrough battery life bottleneck, 10 minutes quick charge to solve the difficulty of charging

Endurance is one of the biggest problems that restrict the promotion and application of new energy vehicles.

At present, watmar is trying to break the range dilemma by means of battery technology innovation. In terms of battery technology, rapid charging technology has become the core competitiveness of watmar. In order to ensure the fast charging performance of the battery, small particle size LFP, small particle size artificial graphite, quick charging solution and high porosity diaphragm are adopted for the high rate fast rechargeable battery. The 0Ah battery has achieved a constant current ratio of 90% for 6C charging, with a cycle of 1000 weeks for 6C and 2000 weeks for 3C.

Based on the leading high efficiency quick charging technology and the mode of shallow charging and shallow discharging, the pure electric logistics vehicle can be charged for 10 minutes in the loading and unloading time and 30% SOC, completely ensuring the operation demand of electric vehicles. At present, the battery has been charged and discharged in monomer 6C and group 2-3c, that is, charged and discharged in 20-30 minutes, and the quick charging speed is 2-4 times higher than the peers.

The innovative battery technology makes the battery life of watma break through the bottleneck and win wide recognition in the market. As of June 2, watma has been equipped with a total of 119 models in the recommended catalogue, among which 50 are pure electric logistics vehicles, ranking first.

According to Dr. Mu min rao, director of watma battery research institute, the research and development team of watma battery research institute has more than 1,500 people, who are engaged in frontier technology research and development in product, management, testing, system technology development and other aspects. In recent years, the company has undertaken 23 national, provincial and municipal government science and technology projects such as national power battery innovation project, national science and technology support program and national key research and development program, applied for more than 1400 Chinese patents, obtained 8 international patents, and obtained 5 domestic leading scientific and technological achievements appraisal. Through industry-university-research cooperation, the company actively absorbs the research results of advanced battery technology at home and abroad, and organizes full-time research teams to carry out engineering technology research and development, so as to realize the seamless connection between basic research and industrialization.

It is not only the breakthrough of battery life bottleneck of new energy vehicles, but also the brilliant technical innovation of battery safety performance of watma.

Through a number of extreme testing, with stringent safety assurance

Safety is fundamental. Only by providing safe products can consumers be willing to trust and choose electric cars. Walter therefore established batteries, group security system, and through the BMS upgrade, background data monitoring, safety inspection, perfect after-sale service and periodic maintenance system, such as soft hard couple, to pick up walter battery system of spare parts and vehicle more than indicators, the real-time data acquisition and transmission to the background monitoring system, timely early warning, timely treatment, continuously improve power battery safety performance.

At the same time, watma battery has passed the test and certification of domestic and foreign authoritative institutions. The safety tests such as acupuncture, extrusion and short circuit are in line with the test standards and have excellent safety performance. Among them, the newly upgraded lithium iron phosphate battery group structure has a single cell, module protection function, breaking through the battery waterproof problem.

"Our battery is so waterproof that it won't be a problem to put it in 10 meters of water for half an hour." The waterproofness of watma's newly upgraded power battery has been monitored by the national new energy vehicle product quality supervision and inspection center.

In addition, the watma battery has also achieved technological breakthroughs in low temperature, life and other aspects. Watma takes the lead in the industry in the development of low-temperature battery, and has been in the heilongjiang, urumqi, Hohhot and other northern cold regions stable operation, and to ensure the rapid charging application in the context of the service cycle, to meet the eight-year quality assurance needs.

In order to ensure the safety and reliability of the battery and the system, samples will be tested for all kinds of extreme and abnormal conditions, from battery monomer to PACK's acupuncture, extrusion, external short circuit, overcharge, overdischarge, thermal runaway, flip, drop and vibration.

Backed by the national new energy automobile industry base and the watma battery research institute, the lithium iron phosphate battery developed and produced by watma is at the international leading level in terms of safety, consistency and cycle life.

International intelligent factory, industry 4. Generation x demonstrator

Intelligent manufacturing is the development of the industry and highland, analysis of the personage inside course of study, although the current domestic production of power battery company more than 170, but due to the low degree of automation, many companies to present "three low" characteristics: low production efficiency, low yield of product and operating information connectivity efficiency is low, seriously affect the overall performance of power battery, real can meet the technical requirements, the downstream enterprises into the mainstream car companies in the supply chain power battery supplier.

In this regard, watmar has also deployed a systematic intelligent manufacturing plan, which has been gradually implemented. It is learned that watmar has built a leading intelligent factory in China -- new automatic pack workshop for power batteries in its headquarters in shenzhen and its branch in weinan, and opened the first production line for intelligent production of cylindrical power batteries in China.

Li jinlin, President of watmar group, made us an account. In terms of production efficiency, the intelligent factory has increased nearly 8 times compared with the traditional workshop. In the labor cost, the machine replaces a large number of labor, is expected to save more than 10 million yuan a year. The standardization, standardization and full automation brought by intelligent factories greatly improve product quality and output efficiency.

It is reported that the production workshop of watmar pack integrates automation, informatization and intellectualization, and realizes the automation of computer generation through cloud data processing, forming a comprehensive system integrating data, information and service. All batteries from the intelligent workshop will be incorporated into the network big data monitoring platform independently built by watmar to form data sharing. Intelligent workshop can also achieve a key to complete the process design, all equipment can be intelligent detection.

In addition to its shenzhen headquarters and weinan base, the company also plans to set up smart factories in linfen, Hohhot and shiyan. Watma to create an international level of intelligent factory, do industry 4. 0 times demonstrator, we wait and see.

Fully integrate the industrial chain to create xiaomi in the new energy industry

As we all know, xiaomi was born with a price tag. "Whether you agree or not, I want a way to work until the dark, is to do touching but affordable products. Lei jun ever made a speech to express. In this way of thinking, after entering the market, xiaomi adopted a cost-effective strategy in pricing. From 2011 to 2015, xiaomi swept the smartphone industry with devastating force.

Peter drucker, the father of modern enterprise management, said, "the competition between enterprises today is not between products and services, but between business models! Xiaomi's cost-effective strategy has created a blue ocean. Together with watma, it believes that everyone can afford new energy vehicles, and the same concept of cost-effective new energy vehicles is created.

"We have carried out complete business model innovation, vertically opened up the industrial chain, and horizontally joined more than 1,000 new energy-related enterprises to establish the watmar innovation alliance." Watmar group chairman li yao said. Alliance enterprises cover raw materials, core parts, photovoltaic power generation micro grid energy storage, vehicle manufacturing, etc. of the whole industrial chain of new energy vehicles, as well as operating platforms, financial services, colleges and universities and scientific research institutions associated with new energy vehicles.

Currently, walter in technical level, product quality, delivery and service won the China faw, dongfeng motor, the universiade, sinotruk Howard, xiamen golden dragon, nanjing jinlong, zhongtong coach, we in Shanghai, zhuhai silver lung, tang jun, lily and other well-known domestic automobile enterprise customers recognition, forming amount of power battery production to the new energy vehicles of ordering procurement, promotion, form a complete set of models. By the end of 2016, the pure electric bus mode of innovation alliance has entered 17 provinces and 26 cities in China.

The integration of new energy industry chain to create a sharing economy, intelligent guarantee product quality, low cost of new energy vehicles cast high cost performance, watma will become the new energy industry in the millet, comprehensively promote the new energy industry price revolution.

Big data network control dimension, 7X24 - hour response mechanism

Watma's big data research center, just 500 meters away from the smart factory. In this 3,000-square-meter database, electronic screens display real-time information about vehicles and batteries on the move across the country. "From the smart factory out of battery, will be incorporated into walter m independent make big data monitoring platform of networking, real time data collection vehicles, battery condition, in a timely manner to the background and early warning information users to send vehicles and battery condition, realize the intelligent fault diagnosis, effectively eliminate the new energy car running safety hidden trouble." Watmar President li jinlin said.

It is understood that walter networking system by an on-board terminals, cloud computing processing center, information management platform of three parts, through the terminal equipment installed on vehicles, vehicle position, velocity, the dashboard data, dynamic parameters, route and power battery data such as data transmission to the background, cloud computing center through the analysis of the data is written to the database, finally in the information management platform by terminal interface display.

At present, the network has been connected to 17 provinces and 26 cities, the number of online vehicles exceeded 20,000. Relying on the local maintenance service team, the network has also established a 7X24 response mechanism to achieve online and offline full time interaction. In addition to faw, dongfeng, nanjing jinlong, xiamen jinlv and other well-known automobile enterprises, powertrain, motor and other upstream and downstream enterprises have also been included in the system.

In order to serve customers in the first time, as early as 2008, watmar has trained a after-sales service team composed of more than 300 people. In Dr. Rao's words, "we try to solve the problem in an hour." The 7X24 hour response mechanism service and the personalized, professional and comprehensive support service of watmar are highly trusted.

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