Principle and application of zinc air battery

Zinc air battery, a primary battery that uses activated carbon to adsorb oxygen or pure oxygen in the air as a positive electrode active material, zinc as a negative electrode, and ammonium chloride or a caustic solution as an electrolyte. Also known as zinc oxide battery. Zinc air batteries, which are divided into neutral and alkaline systems, are represented by the letters A and P, respectively, and then the numbers of the batteries are indicated by numbers.

The charging process of the zinc-air battery is carried out very slowly. To solve this problem, usually the zinc plate or zinc particles of the zinc-air battery are oxidized to zinc oxide and then fail, and the zinc plate or the zinc particles and the electrolyte are generally replaced. The method is to make the zinc air battery completely updated. The chemical equations for the positive, negative and total reactions during discharge are: 2Zn+O2+2H2O=2Zn(OH)2

After making breakthroughs, it has sprung up and quietly blossomed in the United States, resulting in Shanghai.

POW-erzic Battery Co., Ltd. has established a research and development center and production plant in Shanghai. The first generation of commercialized zinc aerodynamic fuel cells have passed the test of Shanghai Environmental Product Quality Supervision and Inspection Station and started to be listed on the market.

The principle of zinc-air fuel cells has been discovered more than 100 years ago, and its energy value is 5-7 times higher than that of lead-acid batteries. The technology has had many levels of research and development in China in the past 50 years, but none of them have achieved substantial breakthroughs in productization. The company has lasted for 7 years and cost tens of millions of dollars. It has overcome the problems of low power, instability and unreliability encountered in the past research and development process. According to reports, Boshin is currently the only company in the world that can promote zinc aero-fuel cell technology to the closest productization. It has been highly recognized and supported by the US government. Its technology has applied for patents in the US and has applied for Patents and priorities of 126 countries in the world, including China.

Because zinc air fuel cells have the advantages of safety, zero pollution, high energy, high power, low cost and renewable materials, they are considered by experts to be the ideal power source for electric vehicles. If zinc air fuel cells are widely used, air and noise pollution can be greatly reduced. Therefore, the US-China Energy Environmental Technology Exchange Center, authorized by the US Department of Energy and the Ministry of Science and Technology of China, has adopted zinc aerodynamic fuel cells as a key cooperation project recommended to China.

China is the country with the largest zinc reserves in the world. When the commercialization of oxyhydrogen fuel cell vehicles is expensive, the investment is huge, and the technical bottleneck is difficult to overcome, the birth of zinc air fuel cells may provide the popularization of environmentally friendly vehicles. A shortcut. Nowadays, electric bicycles driven by zinc air fuel cells have already entered the streets of Shanghai. The biggest feature of this zinc air fuel cell vehicle is that it has a long driving range of more than 200 kilometers. Another unique feature is that it uses a battery replacement. Instead of charging the traditional electric car, it takes about 3 minutes to change the battery each time.

China's zinc battery manufacturers

Tianjin Jiu Neng Jingtong New Energy Technology Co., Ltd.

Tianjin Jiu Neng Jingtong New Energy Technology Co., Ltd. invested 330 million yuan to build an annual output of 160,000 sets of zinc air fuel cell projects. It is located in Tianjin Baodi Economic Development Zone (Tianjin Energy Conservation and Environmental Protection Demonstration Industrial Park), covering an area of ​​140,000 square meters. The zinc air fuel cell developed and produced by the company is the scientific and technological achievement of the National 863 Program. It has passed the test of the National Power Battery Testing Center. The main technical indicators have reached the international advanced level and can be widely used in electric vehicles, communications, mining, large databases and other fields. At the same time, battery zinc paste refilling service will be provided to achieve recycling and extend product life. Shanghai Zinc Air Energy Development Co., Ltd.

Shanghai Zinc Air Energy Development Co., Ltd. was reorganized from Integrated Boxin Battery Co., Ltd. and was established in October 2007. Boss Battery Co., Ltd. was originally created in the United States. In 2000, it established a wholly-owned subsidiary in Shanghai, China. The subsidiary was later converted into a joint venture company. Boxin Battery Co., Ltd. focuses on the development of zinc energy, zinc air fuel cells and zero-emission pure electric vehicles driven by them.

The goal of Boxin Battery Co., Ltd. is to make surplus and clean water and electricity, wind power generated by solar power, solar photovoltaic/photothermal, etc., as well as low-grid electricity generated by coal but not stored, and even nuclear power in the future. Etc., special processing methods and equipment are processed to store them into the metal zinc fuel, as the fuel required for each charging of the zinc air fuel cell, so that it can generate electricity as a power zinc energy in vehicles such as vehicles or ships; It can replace the use of petroleum fuels to drive zero-emission pure electric vehicles.

After more than ten years of research, Boxin Battery Co., Ltd. has successfully developed a pure electric city bus driven by zinc energy, and its performance is comparable to that of a fuel bus.

World peers recognized that Boss Battery Co., Ltd. has achieved a leading position in the new energy industry in the field of transportation energy substitution. Beijing Changli United Energy Technology Co., Ltd.

The company's innovative products have been widely used in electric tourist vehicles, electric golf carts, electric cruise ships (boats) and other collars.

Foreign zinc battery manufacturer

EOS Energy Storage in New York, USA, claims that they have developed a more environmentally friendly zinc-air battery.

Zinc air battery, also known as zinc-oxygen battery, a primary battery that uses activated carbon to adsorb oxygen or pure oxygen in the air as a positive active material, zinc as a negative electrode, and ammonium chloride or caustic solution as an electrolyte. . Compared with conventional batteries, zinc-oxygen batteries are less prone to explosion and have a higher storage capacity.

The new zinc-air battery developed by EOS Energy Storage Company can achieve 1200 charge and discharge cycles with a life span of up to 30 years, which can greatly increase the production capacity of solar energy and wind power, but the cost is only half of that of natural gas.

Israeli Electric Fuel and Evonyx of the United States are the first to push zinc-air batteries into mobile phone applications.

Metallic Power is a company that develops efficient power supplies through the fuel cell technology of zinc-air batteries. The company has been working on zinc-air fuel cells and is now commercially available.

Powerzinc Electric Co., Ltd. is a high-tech company in California. The company is committed to research, development,

Manufacturing commercial and advanced zinc air fuel cells and their entire production facilities, as well as fuel cell refueling service platforms. After years of research and development, Powerzinc has made remarkable breakthroughs in zinc-air fuel cell technology, developing high-power, large-scale energy, long-lasting, low-cost and environmentally friendly energy. Its innovative product, the DQFC series of zinc air fuel cells, has become a new renewable energy source for a wide range of electric vehicles with its creative design and process technology.

Norwegian battery technology startup ReVolt Technology recently completed a fundraising event of 10 million euros (approximately $13.4 million) with a total funding of 22 million euros (approximately $29.5 million).

Founded in 2004, ReVolt was spun off from SINTEF, Norway's largest applied research organization. ReVolt claims that its rechargeable metal-air battery is battery-powered

A breakthrough has been achieved in terms of energy, with higher energy density than other rechargeable batteries, and the price is competitive.

Funding for the latest round of fundraising will be used for technology development and installation of pilot lines for the production of prototype batteries. Revolt has signed a cooperation agreement with Phonak AG of Switzerland to jointly develop a rechargeable zinc-air battery for hearing aids.

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