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"The development pressure of the lead-acid battery industry is unprecedented. Only by transforming and upgrading, improving quality and efficiency, expanding the market outside to find increment, tapping potential inside to improve efficiency, can the road to Xintiandi be opened." On April 1, the 12th China International Lead Battery Summit Forum hosted by the China Electrical Appliance Industry Association Lead Acid Battery Branch, industry organizations and university experts at the meeting unanimously put forward this view. In this regard, industry enterprises are offering suggestions and suggestions. Li Dong, Chairman of Lishi International Technology Co., Ltd. (referred to as Lishi International), said, "The battery energy storage market may be one of the effective breakthroughs Peng Zhengxiong, Chairman of Jiangsu Jinfan Power Technology Co., Ltd. (referred to as Jinfan Power), believes that achieving energy conservation and consumption reduction is one of the most urgent tasks at present.

The market space for battery energy storage is huge, and lead carbon batteries have development advantages

The lead-acid battery market is facing a "multi party siege". Industry insiders point out that in recent years, the already overcapacity lead-acid battery market has been squeezed by lithium battery products. In addition to the aggressive development of lithium batteries, liquid flow, fuel, sodium salt, nickel hydrogen batteries, etc. are also eyeing. The market space has been severely compressed, while comprehensive costs, including lead prices, continue to rise... In the first half of last year, although the lead-acid battery industry saw an increase in year-on-year output value, its profits have significantly declined. The lead-acid battery industry is facing an unprecedented crisis and urgently needs to seek new market development opportunities.

The battery energy storage market for renewable and green energy is an opportunity, "Dong Li said. With the continuous deepening of clean and smart energy construction and the maturity of applications, the battery energy storage market has ushered in broad development space According to the international authoritative market research institution HISMarkit, by 2025, the global installed capacity of battery energy storage will exceed 140 gigawatts per hour, which is 20 times the current level The report submitted by Zhejiang Nandu Power Supply Co., Ltd. at the forum confirms Dong Li's viewpoint.

However, the report also mentioned that according to the global distribution of battery energy storage, lithium battery energy storage accounted for more than 70% of the battery energy storage market in the past three years.

Although lithium-ion energy storage has a large installed capacity, it cannot be denied that compared to lithium-ion batteries, lead-carbon batteries have obvious advantages in terms of price, PSOC cycle performance, and are gradually favored by the battery energy storage market. "Dong Li introduced that as a company with nearly 20 years of development history focusing on the field of energy storage batteries, in recent years, Lishi International has delivered the National Grid Jinzhai Key Photovoltaic Power Consumption Research and Development Project in China The Guizhou University Energy Storage Research Demonstration Project and the Sichuan Ganzi Chuandeng Project are all lead carbon energy storage projects. In his view, as a type of lead-acid battery, lead-carbon batteries have stable, safe, and large capacity characteristics that cannot be replaced by other batteries. They have outstanding application advantages and broad prospects in microgrids and household power grid energy storage, integrated optical storage, SPS market (energy storage UPS), large-scale industrial and commercial energy storage, and recycling.

The prospects for the lead carbon energy storage market are promising. Currently, strong companies in the industry such as Tianneng Group and Aoguan Battery, like Lishi International, have targeted this market, "said Dong Li.

Energy conservation and consumption reduction have great potential for new technology equipment to be favored

The lead-acid battery industry is facing increasingly harsh policies and market environments, but its development pressure also comes from itself. Industry experts have stated that in recent years, problems such as low price competition, rising lead prices, and overcapacity in the lead-acid battery industry have not been comprehensively improved. It is urgent to tap potential and increase efficiency internally, and enhance internal development vitality. In this context, "energy conservation and consumption reduction" should become the current and future development theme of the industry, along with quality, loss, efficiency, intelligence, and environmental protection. This should also respond to the requirements of national strategy.

Lead acid batteries are a major consumer of electricity, and there is great potential for energy conservation and consumption reduction. "Peng Zhengxiong said that since 2012, China's annual production of lead-acid batteries has exceeded 200 million hours, and every 1000 volt ampere hours of battery production requires approximately 25000 volt ampere hours of electricity, with the industry's annual electricity consumption exceeding 5 billion kilowatt hours. It can be seen that in order to reduce production costs, the first consideration should be to seek benefits from energy conservation and consumption reduction.

The energy-saving and consumption reduction of the formation process is the top priority, "Peng Zhengxiong told reporters. The formation process is the longest and most energy-efficient process in the production of lead-acid batteries. Especially after the internal formation method is adopted, the formation time is generally over 80 hours and requires 8-10 times the rated capacity of the battery. Applying energy feedback to form chargers can effectively help reduce the energy consumption of this process, "he said, for example, developed by Jinfan Technology μ The C-3000G series busbar type high-efficiency discharge feedback is converted into a charging and discharging power supply, with high charging and discharging efficiency. The power factor can reach 99%, while the grid harmonics are less than 4%. The discharge energy is fed back to the local DC busbar to provide electricity to other charging equipment, and the discharge energy recovery rate is as high as 98% (discharged to the busbar), which can greatly reduce the energy consumption of this process.

Of course, in addition to this, there are also consumption reduction technologies and equipment. Peng Zhengxiong takes the innovative technology of Jinfan Technology as an example to introduce that the company has independently developed the QH1000C-28L fully automatic lead powder machine, which saves more than 10% electricity per unit of lead powder, produces the same amount of lead powder, occupies less land, and has low operating costs; We have independently developed a plate curing and drying room, which adopts a frequency conversion controlled circulating fan and a mixed control of electricity and steam. It can use electric heating in different peaks, reduce curing and drying time, and save energy and consumption.

These energy-saving and consumption reducing technologies and equipment are being increasingly accepted and favored by production enterprises, "Peng Zhengxiong said. By integrating these new technologies and equipment, the production of lead-acid batteries can achieve comprehensive energy savings of over 50%, or even higher. The endogenous driving force of the lead-acid industry is constantly being activated

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