စွမ်းအင်သုံးယာဉ်အသစ်များ ဖွံ့ဖြိုးတိုးတက်ရေးသည် ကာဗွန်နည်းသောစီးပွားရေး၏ အရေးကြီးသော အစိတ်အပိုင်းတစ်ခုဖြစ်သည်။, စွမ်းအင်ထောက်ပံ့မှုနှင့် ဝယ်လိုအားအကြား ကွဲလွဲမှုများကို လျှော့ချရာတွင် အရေးကြီးသော အခန်းကဏ္ဍမှ ပါဝင်ပါသည်။, ပတ်ဝန်းကျင်ကို ပိုမိုကောင်းမွန်စေခြင်း။, ရေရှည်တည်တံ့သော စီးပွားရေးဖွံ့ဖြိုးတိုးတက်မှုကို မြှင့်တင်ပေးခြင်း. New energy vehicles are one of the industries that best reflect a country’s technological development level, independent innovation capabilities and international competitiveness.
The power source of an electric vehicle is a battery, which is a mobile energy source composed of an anode, a cathode and an electrolyte. When charging, ions flow out from the positive electrode and flow to the negative electrode through the electrolyte. The opposite electrochemical reaction occurs between the positive electrode and the negative electrode during work or discharge, and the resulting voltage drop drives the external load to make the car run.
The power battery for electric vehicles is a lithium battery: the positive electrode is lithium iron phosphate (lithium cobalt oxide LiCoO2, or lithium manganese oxide LiMn2O4 or ternary compound Li(NiCo)O2) coated on aluminum foil, but lithium iron phosphate is the best . The negative electrode is copper foil coated with graphite or lithium titanate. There is a separator between the positive and negative foils, which are wound together. Put the wound positive and negative sheets (including the diaphragm) into the battery case together, inject the electrolyte, and then vacuum package to complete the production of a single battery.
The procurement cost of lithium battery cathode materials accounted for 30%, anode materials accounted for 20%, separator materials accounted for 20%, electrolyte accounted for 20%, and casing accounted for 10%. The diaphragm is polyacrylic acid. The positive electrode material has a great influence on the battery performance (referring to the lithium compound coated on the aluminum foil), and the entire positive electrode is the most critical part of the battery.
The positive electrode of the lithium battery of electric vehicles needs aluminum foil, and the weight of the vehicle itself is required to be as light as possible. Aluminum is the preferred material for lightweighting of automotive parts. Aluminum plays a vital role in the development of electric vehicles and hybrid vehicles. It is predicted that China’s electric vehicle ownership will account for more than 30% of the total in 2030. China’s new energy (20.82, -0.37, -1.75%) automobile industry has opened up a new application field for the application of aluminum with great potential. The amount is considerable.
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