6F22 carbon battery.Only environmentally friendly batteries can create environmentally friendly cars

　　Although lithium-ion batteries do not have memory effects, the number of charging and discharging cycles is generally only around 600, and in complex usage environments such as high current fast charging and discharging, as well as overcharging and discharging, the battery life significantly decreases. In addition, due to the use of organic electrolyte solutions in lithium-ion batteries, the resistance rapidly increases at low temperatures, and the performance has greatly declined at 0 ℃, which cannot meet the normal usage requirements at -10 ℃. On the other hand, nickel hydrogen batteries, due to the use of alkaline electrolyte aqueous solutions, can operate at temperatures as low as -40 ℃. Therefore, in winter, there is no significant change in the power, economic and other performance of hybrid vehicles.

　　Nickel hydrogen batteries have fewer components, high recycling value, and low difficulty in recycling.

　　Finally, as nickel hydrogen batteries do not contain highly toxic substances, they are more environmentally friendly. The important components of nickel hydrogen batteries are nickel and rare earth, which have high recycling value (with residual value) and low difficulty in recycling. They can basically be fully recycled and reused, achieving sustainable material development. They are known as the most environmentally friendly batteries.

　　On the other hand, lithium-ion batteries are much more difficult to recycle. The chemical activity characteristics of lithium-ion batteries themselves make their recycling technology quite complex. Batteries must undergo pre-treatment, including discharge, disassembly, crushing, and sorting. The plastic and metal shells after disassembly can be recycled, but the cost is high: the residual voltage still reaches hundreds of volts (excluding 18650 batteries) and there is a certain degree of danger; For safety reasons, the battery casing is packaged in a non detachable form, which requires considerable effort to open; In addition, the positive electrode materials of lithium-ion batteries are also diverse, with high requirements for recycled acid and alkali solutions. With current technology, the recycling of lithium-ion batteries is undoubtedly a loss making business.

　　In addition to the above, nickel hydrogen batteries also have advantages such as stable discharge characteristics, smooth discharge curves, and low heat generation. Therefore, before significant breakthroughs in battery technology, this relatively low energy density nickel hydrogen battery remains the best partner for hybrid vehicles with low battery power requirements. The industry is constantly reflecting on the safety issues of electric vehicles, and blindly pursuing high energy density has become the focus. Several professionals have pointed out that theoretically, battery energy density is inversely proportional to safety. The company's pursuit of high energy density has exposed safety issues. Although it is not clear how closely the fire incidents that have occurred are related to the pursuit of energy density, as high nickel ternary batteries enter the market, new energy vehicles face higher safety technology requirements.

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