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Communication power system 12V100AH ​​lithium iron phosphate battery material and equipment

Return Listsource:Gratene date: 2022-06-17

Communication power system 12V100AH ​​lithium iron phosphate battery material and equipmentQuestion 1: According to the planning of the national power battery road map, the 20020 lithium-ion battery unit energy density is 350Wh / kg in 2020. It is already 2020, can you disclose whether this goal is already realized? And, what if you want to further increase the energy density of the battery, what is the right route?

Inssenstrual answer: In order to understand the National New Energy Car Special Power Battery R & D situation during the 13th Five-Year Plan, the Ministry of Science and Technology High Technology Center has undertakes the four units of high-performance battery R & D projects in 2019 (CATL, Qi Shen, Guoxuan, China AV The lithium ion power battery sample developed has been commissioned by the third party. From the current test results, the power battery is more than 300-310WH / kg, and some of the samples of some units have reached more than 1200 times. In terms of energy than energy, there is still a certain gap between 350Wh / kg, but at the end of 2020, 330Wh / kg should say that there is no difficulty.

The Huizhong lithium battery has a high-spirited characteristics of the discharge platform, high safety, long life, and excellent low temperature performance.

From the present progress, the battery system that exceeds 300WH / kg is positive to use high nickel ternation (including NCM811 and NCA), and the negative electrode uses graphite and silicon oxide (or silicon) composite. Due to the lower specific capacity of the positive electrode (all-in-electric central micro-capacity 200-210mAh), 350WH / kg may be the energy density limit of such material architectural cells. If you want to further improve the energy density of the battery, you must have a relatively large breakthrough in the positive material system. Simple calculation shows that if the working potential is substantially constant, if the gram of the positive electrode material can be increased to 300 mAh, the battery is expected to break through 400 wH / kg. Therefore, the battery system based on high-capacity lithium manganese-rich positive electrode and silicone carbon carbon-based negative electrode may be an important direction of the next step battery energy density breakthrough.

It is necessary to strengthen environmental supervision and supervision. Sichuan is also increasing illegal investigation. Yesterday yesterday, I also gave a group of data – As of July 15th, Sichuan handled 4,140 environmental illegal cases this year, the increase of 351% year-on-year, “We must see the long-term complexity of environmental problems, but also to see Short-term urgency, only by adjusting the industrial structure, we must solve the real problem of the people’s concern. ” Enter [Sina Finance Co., Ltd.] Discussion Editor: Chen Chuhui Article Keywords: Smog Environmental Protection Ministry I want to feedback Save webpage Hot recommendation Add love print increase font to reduce fonts A large wave Taiwan cuisine is approaching you.



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