The Science and Technology Department of Science and Technology is the No. 1 productive force. Cooperation between industry and universities in universities and universities is an effective way to transform science and technology into advanced productivity. A few days ago, Xiangli Tianyi Demonstration Zone Enterprise Hunan Junli Electric Co., Ltd. signed an agreement with Li Zhongqi, a professor of Hunan Normal University and a professor of Hunan University of Science and Technology. Both parties will cooperate on lead carbon battery technology.
Lead-carbon battery is a new kind of super battery, which not only exerts the advantages of supercapacitor instantaneous large-capacity charging, but also exerts the specific energy advantage of lead-acid battery, has a very good charge and discharge performance, and has been tested on electric vehicles. and use. This time, the company will cooperate with Prof. Li Zhongqi and will use lead-carbon battery technology for traction locomotives. This is the first of its kind in the country and even internationally.
Traction locomotives belong to mine equipment. The operating environment is complex and the requirements for the machines are rather harsh. Moreover, the country has very high environmental protection requirements for the storage battery industry. Traditional lead-acid batteries will cause unavoidable pollution to the environment, and lead-carbon batteries will alleviate this situation. At the same time, the loss of energy consumption is further reduced through the increase of the cycle life and the charge/discharge rate.
“After many investigations, we have partnered with the most authoritative research institutions in the technical field of lead-carbon batteries, and we very much hope to see a win-win result through cooperation.†Li Jianmei, general manager of Qili Electric Co., Ltd. stated that: On the other hand, Professor Li Zhongqi's advanced technology concept in this field can be verified on the product. On the other hand, Qili Electric can also win broad market through innovation in battery technology. This is "win-win" and is also an advantage of cooperation between industry, university and research institute. For a traditional mining equipment manufacturing company, the current downturn in the general environment has limited the development of the industry. Only through technological innovation to find new growth points can the company get out of the downturn and usher in new development.
The signing parties will begin research and development and manufacturing of samples from January next year, and they are expected to achieve mass production next June.
R32, is increasingly gaining favour as a low temperature refrigerant and as a replacement gas in some R410A applications. R32 has a low GWP, providing a lower carbon footprint than most other HFCs.
R32 has a better system efficiency, and it needs a smaller refrigerant charge. The significant problem is that R32 has a high discharge temperature. Its direct consequence is the oil degradation which can cause various compressor failures like bearing seizure, low system and compressor efficiency. So the discharge temperature should be limited at an acceptable level to make sure that system and compressor could work normally. Usually is to control discharge temperature by refrigerant.
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