As a pioneer in the field of hybrid vehicles, Toyota Motor Corporation has been in a hurry. The sale of a few million hybrid vehicles means that their performance is high, but the large amount of used batteries that will follow will also impose a heavy burden on the environment. In response, Toyota recently proposed a new solution that will use old batteries for construction.
Let in the building
Toyota's specific approach is to install the old battery of the Camry Hybrid into the five buildings in the Lamar Bison Ranch Park in the Yellowstone National Park in the United States to provide electricity. The project will begin operation this fall.
Lamar Bison Ranch Park is a park with a long history in Yellowstone National Park. It can be said to be one of the most remote and primitive areas in the United States. In order to provide electric power support to the historical educational activities and research facilities in the park, Toyota plans to provide 208 nickel-metal hydride battery packs, which can store about 85 kWh of electric energy, enough to meet the daily electricity needs of five buildings.
Unlike automobiles, electricity at fixed facilities does not require ultra-high-density power storage, and battery charging is more flexible and flexible. So in the Lamar Bison Ranch Park, these old batteries did not use a gasoline engine or a regenerative braking system to recharge. Instead, they used a power generation system consisting of a solar panel and a micro-hydraulic generator. Continuous, self-sufficient off-grid power supply. Throughout the production, storage and transportation of electricity, this system will not produce pollutants and it is very environmentally friendly.
Toyota said that through this project, the life of old batteries that are no longer suitable for vehicles can be doubled. The battery project is part of the partnership between Toyota and the Yellowstone National Park. Toyota also donated a RAV4 and a $50,000 grant to the Yellowstone Park Foundation (YPF) to support the sustainable development of the Lamar Bison Ranch Park. After all, Marsh Buffalo Ranch is one of the most historic parks in Yellowstone National Park.
It is understood that in addition to the above projects, Toyota has also participated in other similar energy projects. In April 2013, Toyota began selling an energy management system to its Japanese dealers, which uses nickel-metal hydride batteries recovered from Toyota hybrid vehicles. In addition, Toyota is testing a power system at its US plant in Alabama that uses hybrid vehicle batteries to provide electricity and uses it as an emergency backup power source.
Battery system out
In July of this year, Nissan announced the battery replacement price for the Leaf pure electric vehicle - 5,499 US dollars. This is a countermeasure taken by Nissan to deal with the issue of the LEAF battery attenuation. So how do you replace the old battery? Nissan has its own solution.
Currently, researchers from Nissan and Sumitomo Corporation in Japan are testing a large-scale battery system in this flower area in Osaka, Japan. The system uses lithium batteries recovered from 16 Nissan windmills and can store about 400 kWh of electricity, which can meet the average household's electricity consumption for 40 days. In the future, with the increase of used batteries for electric vehicles, the researchers plan to increase the energy storage capacity of the system to 100,000 kWh. This system will mainly serve as an auxiliary system for solar power generation, reducing the impact of weather conditions on the amount of electricity produced. Given that EV batteries may begin to emerge in 2017, it is expected that the system will be officially launched in 2017.
In fact, as early as October 2009, Nissan and Sumitomo Corporation jointly issued a feasibility report on the establishment of the 4R ENERGY joint venture. In September 2010, 4R ENERGY was formally established to commercialize the recycling of used batteries for electric vehicles. Nissan said that even at the end of the normal life of electric vehicles, lithium batteries on electric vehicles still contain 70% to 80% of the storage capacity, and used lithium batteries can be reused and sold to other industries. Nissan believes that 4R ENERGY can play the remaining value of lithium batteries for electric vehicles. As Nissan's first mass-produced pure electric vehicle, the Leaf was launched in Japan and the United States in December 2010. It was later than the establishment of 4R ENERGY Co., Ltd. It can be seen that Nissan has "prepared for a rainy day."
Transformation emergency power supply
Nissan is also considering other solutions for used batteries. Emergency power is one of them, and it is also a widely used solution at present. After the Great East Japan Earthquake in 2011, emergency batteries began to attract people's attention, and car companies also accelerated the development of related technologies. In August 2011, Nissan demonstrated a set of power supply system “Leaf-to-Familyâ€, which means that in an emergency, the battery powered by the Nissan LEAF will supply power to the home. The system was listed in Japan in 2012.
Nissan and GM, one is a Japanese car company and the other is a U.S. car company. However, in terms of emergency power supply, the brain circuits of the two are the same. In 2012, GM proposed a plan to make Chevrolet Volenda's batteries have a second life. The common practice is to reassemble these electric vehicle batteries to provide emergency power supply to 50 families.
However, compared with the United States, the frequent occurrence of natural disasters in Japan makes it easier for local people to accept and adopt the concept of emergency power. Driven by car companies such as Toyota, Nissan, and Mitsubishi, more and more homes and businesses are using electric car batteries as an emergency power source. In April of this year, Nippon Technology & Shoumei Co., Ltd., which is engaged in the business of automobile production equipment, introduced a new system in its headquarters building, which can use the batteries of plug-in hybrid vehicles and pure electric vehicles as emergency power sources. On the night of August 14th, the “Million Lantern Festival†in Kyoto, Japan, kicked off. In order to strengthen people's awareness of power saving, all lanterns on the "Million Lanterns" are powered by electric car batteries.
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