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Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-03-16 Hits: Popular:AG11 battery
Prospects for the future market and technology of NiMH No. 7
Today I would like to share with you a summary report on new energy vehicles and batteries. I think the content of the report is very comprehensive, including various batteries, new energy vehicle production and sales, advanced development progress, and the future market and Technology Perspectives.
Content summary:
1. Growth of new energy vehicles and NiMH No. 7 in China in 2016
2. Main R&D activities and achievements of xEV power batteries in China
3. Outlook for the market and new technology development in 2017
1.1 The development history of new energy vehicles in China
1.2 Growth of China’s new energy vehicle market from 2009 to 2016
The Chinese market has maintained rapid growth, with the number of vehicles in stock reaching 1 million by the end of 2016.
1.3 Production and sales of different types of EV and PHEV in 2016
1.4 Lithium-ion power battery production and growth data
30.5GWh in 2016, an increase of 80% compared to 2015
1.5 Proportions of power batteries used in different vehicles
1.6 Enterprise ranking (sales/sales volume/battery classification)
2.1 Current technological level (compared with foreign countries)
There is still a certain gap between the energy density of cylindrical 18650 direction and soft pack batteries and foreign advanced products.
2.2EV/PHEV accident statistics
The number of accidents is getting less and less. The accidents are not just problems with the battery itself (crash short circuit/water short circuit/electrical connection failure/charging pile or BMS failure/battery core leakage short circuit)
2.3 Compulsory testing and access certification of power batteries based on national standards
The national standards being formulated include power battery size standards, coding rules, safety requirements (mandatory), 48V systems, and power battery recycling.
2.4 According to the GB31485 national standard, basic performance test results of domestic power batteries
Including 84 models of prismatic batteries, soft pack batteries and cylindrical batteries
2.5 Safety performance test results according to GB31467.3 national standard
It is difficult to pass through vibration, extrusion, and external fire.
2.6 A total of 4 batches of 99 power battery companies applied for product access, only 57 of which passed.
2.72016-2030 R&D plan in the field of power battery
By 2020, the battery module will reach 300Wh/kg and the cost will drop to ¥1.5/Wh.
2. Research and development progress of 8300Wh/kg battery plan
2.9 New batteries (all-solid-state batteries, new negative electrode alloys)
3.1 EV/PHEV market forecast in 2017
Although the subsidy for new energy vehicles will be reduced by 20% in 2017, it will still maintain rapid growth and reach 800,000 units. Passenger cars will account for 70% of the new energy vehicle share.
3.2 Forecast of demand for lithium-ion power batteries in 2017
Battery demand will reach 40+GWh
3.3 Technology roadmap of Chinese battery companies
CATL and Lishen Technology Roadmap
3.4 Increase the voltage and Ni content to increase the capacity/energy density of the positive NMC ternary material
Changes in gram capacity caused by increasing upper limit voltage and increasing Ni content
3.5 Use silicon Si-based negative electrode materials to increase capacity energy density (SiO-C)
Through new technologies to improve the expansion of silicon and the cycle performance of batteries, Lishen soft-pack batteries use SiOC anode materials. After 400 cycles, the expansion is less than 12% and is similar to graphite anodes.
3.6 New ways to improve security performance
Multi-layer composite electrode technology adds a PTC layer between the current collector and the active material. When high temperature occurs, PTC blocks the current, thus preventing thermal runaway. The battery uses NCA positive electrode. The comparison data of 1C and 3C discharge after the 150℃ hot box experiment is shown in the figure below.
3.7 China’s future new energy vehicle market and battery demand plan
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